├── .gitignore
├── Go Test 从入门到躺平.pdf
├── LICENSE
├── README.md
├── fail_test.go
├── go.mod
├── go.sum
├── s0
    ├── bfe.html
    ├── bfe.svg
    ├── grpc.html
    └── grpc.svg
├── s1
    ├── arith.go
    ├── arith_test.go
    ├── cover.html
    ├── cover2.html
    ├── hello.go
    ├── hello_test.go
    └── out.svg
├── s10
    ├── reverse.go
    ├── reverse_test.go
    └── testdata
    │   └── fuzz
    │       └── FuzzReverse
    │           └── 6bda972cf8cbff20524e6ebca2a8be89e2d88b246a7ae067174a068f9ea04380
├── s2
    ├── cleanup_test.go
    ├── fail_test.go
    ├── helper_test.go
    ├── log_test.go
    ├── main_test.go
    ├── parallel_test.go
    └── skip_test.go
├── s4
    ├── cover.html
    ├── cover.sh
    ├── cover2.html
    ├── cover3.html
    ├── covermode.go
    ├── covermode.html
    ├── covermode_test.go
    └── out.svg
├── s5
    ├── assert_require_test.go
    └── gocovery_test.go
├── s6
    ├── container
    │   ├── kafka_test.go
    │   ├── redis_test.go
    │   └── testdata
    │   │   └── docker-compose.yml
    ├── gnomock
    │   ├── kafka_test.go
    │   └── redis_test.go
    ├── httptest
    │   ├── handler_test.go
    │   └── server_test.go
    ├── mock
    │   ├── io_test.go
    │   └── rw_test.go
    ├── mockey
    │   └── mock_test.go
    └── monkey
    │   └── hello_test.go
├── s7
    └── book
    │   ├── api
    │       ├── book.go
    │       ├── book_monkey_test.go
    │       ├── book_test.go
    │       └── test-bin
    │   ├── dao
    │       ├── book.go
    │       └── book_test.go
    │   ├── model
    │       └── book.go
    │   ├── service
    │       ├── book.go
    │       └── book_test.go
    │   ├── testdata
    │       └── test.db
    │   └── util
    │       ├── db.go
    │       └── db_test.go
├── s8
    ├── benchmark_hash_test.go
    ├── benchmark_parallel_test.go
    ├── benchstat.txt
    ├── benchstat_test.go
    ├── new.txt
    └── old.txt
└── s9
    └── example_test.go


/.gitignore:
--------------------------------------------------------------------------------
 1 | # Binaries for programs and plugins
 2 | *.exe
 3 | *.exe~
 4 | *.dll
 5 | *.so
 6 | *.dylib
 7 | 
 8 | # Test binary, built with `go test -c`
 9 | *.test
10 | 
11 | # Output of the go coverage tool, specifically when used with LiteIDE
12 | *.out
13 | 
14 | # Dependency directories (remove the comment below to include it)
15 | # vendor/
16 | 


--------------------------------------------------------------------------------
/Go Test 从入门到躺平.pdf:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/smallnest/go_test_workshop/27f12b63da3545c6ea5ae94b9287c3f5b0da5137/Go Test 从入门到躺平.pdf


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2022 smallnest
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
  1 | # go_test_workshop
  2 | 
  3 | 如何编写健壮的代码？测试或者单元测试是一个非常有效的手段。自1997年JUint的出世引领单元测试以来，单元测试曾经风靡一时。然后在最近的十年，或者说在最近的几年，互联网企业面临巨大的竞争压力，或者说代码规范不收重视的情况下，糙快猛的编程方式也收到吹捧，以至于单元测试没有收到足够的重视，因此留下来很多的技术债务和线上风险，也就是俗称的"雷"。
  4 | 
  5 | 这个实战课程，全面介绍Go语言的单元测试的知识，通过大量的实战的代码，带你领略go test的便捷和强大，解答你在实际开发中的众多的疑惑，你在以后的Go应用程序的开发中，可以应用本文介绍的知识，把单元测试威力实际发挥出来。
  6 | 
  7 | 如果你会写`func TestXXX(t *testing.T) {`这一行代码，恭喜你，你已经知道了Go的一半的单元测试的知识，你可以重点关注其它的一半的Go单元测试的知识。如果你还未写过Go的单元测试，没关系，本门课程手把手教你怎么轻轻松松编写Go的单元测试。
  8 | 
  9 | 
 10 | 本课程的代码放在了 [Go Test Workshop](https://github.com/smallnest/go_test_workshop)
 11 | 
 12 | ![](/s0/bfe.svg)
 13 | 
 14 | - s1: go test basic
 15 |   - [table driven tests ](https://github.com/golang/go/wiki/TableDrivenTests)
 16 |   - [color output](https://github.com/rakyll/gotest)
 17 |     - gotest -v ./...
 18 | 
 19 | - s2: testing.T
 20 |     - testing.TB interface
 21 |     - testing.T
 22 |       - Fail/FailNow/Failed/Fatal/Fatalf
 23 |       - Log/Logf/Error/Errorf
 24 |       - Skip/SkipNow/Skipf/Skipped
 25 |       - Helper
 26 |       - Parallel
 27 | 
 28 | 
 29 | - s3: go test command
 30 |   - go help test
 31 |     - go test [build/test flags] [packages] [build/test flags & test binary flags]
 32 |     - local directory mode: cache disabled
 33 |     - package list mode: cache enabled. `-count=1` to disable cache
 34 |     - test binary flags
 35 |       - -c:  Compile the test binary to pkg.test but do not run it
 36 |       - -exec xprog
 37 |       - -json: Convert test output to JSON suitable for automated processing.
 38 |       - -o file:Compile the test binary to the named file.
 39 | 
 40 |   - go help testflag
 41 |       - -count n: Run each test, benchmark, and fuzz seed n times (default 1).
 42 |       - -cpu 1,2,4: Specify a list of GOMAXPROCS values for which the tests, benchmarks or fuzz tests should be executed.
 43 |       - -failfast: Do not start new tests after the first test failure.
 44 |       - -json
 45 |       - -list regexp
 46 |       - -parallel n
 47 |       - -run regexp
 48 |       - -short
 49 |       - -shuffle off,on,N
 50 |       - -timeout d
 51 |       - -v
 52 |       - -vet list
 53 | 
 54 | 
 55 |   - go help testfunc
 56 |     - func TestXxx(t *testing.T) { ... }
 57 |     - func BenchmarkXxx(b *testing.B) { ... }
 58 |     - func FuzzXxx(f *testing.F) { ... }
 59 |     - func ExamplePrintln() { ... }
 60 | 
 61 |   - https://pkg.go.dev/testing
 62 | 
 63 | - s4: coverage
 64 |   - go test -coverprofile cover.out ./...
 65 |   - go-cover-treemap -coverprofile cover.out > out.svg
 66 |   - https://github.com/microsoft/vscode-go/issues/816
 67 |   - https://golang.org/doc/go1.10#test
 68 |   - go tool cover -html=cover.out -o cover.html
 69 |   - go tool cover -o cover2.html -html=cover.out; sed -i 's/black/whitesmoke/g' cover2.html; open cover2.html
 70 |   - mac: go tool cover -o cover2.html -html=cover.out; sed -i'*.bak' 's/black/whitesmoke/g' cover2.html; rm -fr cover2.html*.bak;open cover2.html
 71 | 
 72 | 
 73 | - s5: tools
 74 |   - assert/require
 75 |   - gocovery: Behavior-driven Development
 76 | 
 77 | - s6: mock
 78 |   - https://github.com/golang/mock
 79 |   - https://github.com/vektra/mockery
 80 |   - https://github.com/DATA-DOG/go-sqlmock
 81 |   - https://github.com/h2non/gock
 82 |   - https://github.com/gavv/httpexpect
 83 |   - https://github.com/steinfletcher/apitest
 84 |   - https://github.com/carlmjohnson/be
 85 |   - https://github.com/arikama/go-mysql-test-container
 86 |   - https://github.com/jfilipczyk/gomatch
 87 | 
 88 |   - monkey
 89 |     - https://github.com/bouk/monkey
 90 |     - https://github.com/agiledragon/gomonkey
 91 |       - printf '\x07' | dd of=api.test bs=1 seek=160 count=1 conv=notrunc
 92 |       - https://github.com/eisenxp/macos-golink-wrapper
 93 |   - container
 94 |     - https://github.com/testcontainers/testcontainers-go
 95 | 
 96 | - s7: web case
 97 |  - dao
 98 |  - service
 99 |  - http
100 | 
101 | - s8: benchmark
102 | 
103 | - s9: example
104 | 
105 | - s10: fuzzing test
106 | 
107 | 
108 | 
109 | ## install tools
110 | 
111 | ```
112 | go install github.com/rakyll/gotest@master
113 | go install github.com/axw/gocov/gocov@latest
114 | go install github.com/matm/gocov-html@latest
115 | go install github.com/nikolaydubina/go-cover-treemap@latest
116 | // https://go-cover-treemap.io/
117 | ```


--------------------------------------------------------------------------------
/fail_test.go:
--------------------------------------------------------------------------------
 1 | package s2
 2 | 
 3 | import (
 4 | 	"testing"
 5 | 	"time"
 6 | )
 7 | 
 8 | func TestFail(t *testing.T) {
 9 | 	t.Fail()
10 | 	t.Log("after Fail")
11 | 	t.FailNow()
12 | 	t.Log("after FailNow")
13 | }
14 | 
15 | func TestFatal(t *testing.T) {
16 | 	t.Fatal("fataled")
17 | 	t.Log("after Fatal")
18 | }
19 | 
20 | func TestFatalf(t *testing.T) {
21 | 	t.Fatalf("there is: %v", "Fatalf")
22 | 	t.Log("after Fatalf")
23 | }
24 | 
25 | func TestFailNowInAnotherGoroutine(t *testing.T) {
26 | 	go func() {
27 | 		t.FailNow()
28 | 		t.Log("after FailNow in another goroutine")
29 | 	}()
30 | 
31 | 	time.Sleep(time.Second)
32 | 	t.Log("after one second")
33 | }
34 | 


--------------------------------------------------------------------------------
/go.mod:
--------------------------------------------------------------------------------
 1 | module github.com/smallnest/go_test_workshop
 2 | 
 3 | go 1.22
 4 | 
 5 | require (
 6 | 	github.com/DATA-DOG/go-sqlmock v1.5.0
 7 | 	github.com/agiledragon/gomonkey/v2 v2.11.0
 8 | 	github.com/cespare/xxhash v1.1.0
 9 | 	github.com/creachadair/cityhash v0.1.1
10 | 	github.com/dgryski/go-farm v0.0.0-20200201041132-a6ae2369ad13
11 | 	github.com/go-redis/redis v6.15.9+incompatible
12 | 	github.com/go-redis/redis/v7 v7.4.1
13 | 	github.com/golang/mock v1.6.0
14 | 	github.com/google/uuid v1.3.0
15 | 	github.com/leemcloughlin/gofarmhash v0.0.0-20160919192320-0a055c5b87a8
16 | 	github.com/mattn/go-sqlite3 v1.14.22
17 | 	github.com/minio/highwayhash v1.0.2
18 | 	github.com/orlangure/gnomock v0.21.1-0.20220731072318-def3e4eb83fa
19 | 	github.com/pierrec/xxHash v0.1.5
20 | 	github.com/segmentio/kafka-go v0.4.33
21 | 	github.com/smartystreets/goconvey v1.6.4
22 | 	github.com/spaolacci/murmur3 v1.1.0
23 | 	github.com/stretchr/testify v1.9.0
24 | 	github.com/testcontainers/testcontainers-go v0.13.0
25 | )
26 | 
27 | require (
28 | 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
29 | 	github.com/Microsoft/go-winio v0.5.2 // indirect
30 | 	github.com/Microsoft/hcsshim v0.8.23 // indirect
31 | 	github.com/bytedance/mockey v1.2.10 // indirect
32 | 	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
33 | 	github.com/containerd/cgroups v1.0.1 // indirect
34 | 	github.com/containerd/containerd v1.5.9 // indirect
35 | 	github.com/davecgh/go-spew v1.1.1 // indirect
36 | 	github.com/docker/distribution v2.8.1+incompatible // indirect
37 | 	github.com/docker/docker v20.10.17+incompatible // indirect
38 | 	github.com/docker/go-connections v0.4.0 // indirect
39 | 	github.com/docker/go-units v0.4.0 // indirect
40 | 	github.com/gogo/protobuf v1.3.2 // indirect
41 | 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
42 | 	github.com/golang/protobuf v1.5.2 // indirect
43 | 	github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 // indirect
44 | 	github.com/jtolds/gls v4.20.0+incompatible // indirect
45 | 	github.com/klauspost/compress v1.15.7 // indirect
46 | 	github.com/magiconair/properties v1.8.5 // indirect
47 | 	github.com/moby/sys/mount v0.2.0 // indirect
48 | 	github.com/moby/sys/mountinfo v0.5.0 // indirect
49 | 	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
50 | 	github.com/morikuni/aec v1.0.0 // indirect
51 | 	github.com/onsi/ginkgo v1.16.5 // indirect
52 | 	github.com/onsi/gomega v1.18.1 // indirect
53 | 	github.com/opencontainers/go-digest v1.0.0 // indirect
54 | 	github.com/opencontainers/image-spec v1.0.2 // indirect
55 | 	github.com/opencontainers/runc v1.0.2 // indirect
56 | 	github.com/pierrec/lz4/v4 v4.1.15 // indirect
57 | 	github.com/pkg/errors v0.9.1 // indirect
58 | 	github.com/pmezard/go-difflib v1.0.0 // indirect
59 | 	github.com/sirupsen/logrus v1.9.0 // indirect
60 | 	github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d // indirect
61 | 	go.opencensus.io v0.22.3 // indirect
62 | 	go.uber.org/atomic v1.10.0 // indirect
63 | 	go.uber.org/multierr v1.8.0 // indirect
64 | 	go.uber.org/zap v1.22.0 // indirect
65 | 	golang.org/x/arch v0.0.0-20201008161808-52c3e6f60cff // indirect
66 | 	golang.org/x/net v0.0.0-20220811182439-13a9a731de15 // indirect
67 | 	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
68 | 	golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab // indirect
69 | 	google.golang.org/genproto v0.0.0-20201110150050-8816d57aaa9a // indirect
70 | 	google.golang.org/grpc v1.33.2 // indirect
71 | 	google.golang.org/protobuf v1.28.0 // indirect
72 | 	gopkg.in/yaml.v3 v3.0.1 // indirect
73 | )
74 | 


--------------------------------------------------------------------------------
/s0/grpc.svg:
--------------------------------------------------------------------------------
   1 | 
   2 | <svg 
   3 | 	xmlns="http://www.w3.org/2000/svg" 
   4 | 	xmlns:xlink="http://www.w3.org/1999/xlink" 
   5 | 	viewBox="0 0 1028.000000 640.000000" 
   6 | 	style="background: white none repeat scroll 0% 0%;"
   7 | >
   8 | 
   9 | <g>
  10 | 	<rect x="20.000000" y="20.000000" width="988.000000" height="600.000000" style="fill: rgba(165, 217, 106, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  11 | 	
  12 | <text 
  13 | 	data-notex="1" 
  14 | 	text-anchor="start"
  15 | 	transform="translate(28.000000,35.600000) scale(1.000000)"
  16 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
  17 | 	data-math="N">google.golang.org/grpc</text>
  18 | 		
  19 | </g>
  20 | 
  21 | 
  22 | <g>
  23 | 	<rect x="966.906804" y="510.671377" width="33.093196" height="27.382718" style="fill: rgba(72, 172, 90, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  24 | 	
  25 | </g>
  26 | 
  27 | 
  28 | <g>
  29 | 	<rect x="943.969618" y="546.054095" width="25.246544" height="22.277063" style="fill: rgba(117, 196, 100, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  30 | 	
  31 | </g>
  32 | 
  33 | 
  34 | <g>
  35 | 	<rect x="808.160323" y="374.862279" width="66.370715" height="65.690563" style="fill: rgba(13, 130, 68, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  36 | 	
  37 | <text 
  38 | 	data-notex="1" 
  39 | 	text-anchor="start"
  40 | 	transform="translate(816.160323,390.462279) scale(1.000000)"
  41 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(255, 255, 255, 65535); fill-opacity: 1; white-space: pre;" 
  42 | 	data-math="N">authz</text>
  43 | 		
  44 | </g>
  45 | 
  46 | 
  47 | <g>
  48 | 	<rect x="596.766114" y="41.600000" width="244.550258" height="197.341066" style="fill: rgba(38, 156, 82, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  49 | 	
  50 | <text 
  51 | 	data-notex="1" 
  52 | 	text-anchor="start"
  53 | 	transform="translate(604.766114,57.200000) scale(1.000000)"
  54 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
  55 | 	data-math="N">balancer</text>
  56 | 		
  57 | </g>
  58 | 
  59 | 
  60 | <g>
  61 | 	<rect x="948.806982" y="374.862279" width="51.193018" height="65.690563" style="fill: rgba(210, 236, 134, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  62 | 	
  63 | <text 
  64 | 	data-notex="1" 
  65 | 	text-anchor="start"
  66 | 	transform="translate(956.806982,390.462279) scale(0.146638)"
  67 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
  68 | 	data-math="N">balancer_conn_wrappers.go</text>
  69 | 		
  70 | </g>
  71 | 
  72 | 
  73 | <g>
  74 | 	<rect x="729.380298" y="466.670614" width="70.780025" height="74.816798" style="fill: rgba(72, 172, 90, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  75 | 	
  76 | <text 
  77 | 	data-notex="1" 
  78 | 	text-anchor="start"
  79 | 	transform="translate(737.380298,482.270614) scale(0.634028)"
  80 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
  81 | 	data-math="N">benchmark</text>
  82 | 		
  83 | </g>
  84 | 
  85 | 
  86 | <g>
  87 | 	<rect x="996.047662" y="598.165579" width="3.952338" height="13.834421" style="fill: rgba(254, 234, 153, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  88 | 	
  89 | </g>
  90 | 
  91 | 
  92 | <g>
  93 | 	<rect x="943.969618" y="599.763220" width="27.003275" height="12.236780" style="fill: rgba(165, 0, 38, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
  94 | 	
  95 | </g>
  96 | 
  97 | 
  98 | <g>
  99 | 	<rect x="729.380298" y="549.487412" width="70.780025" height="62.512588" style="fill: rgba(63, 167, 87, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 100 | 	
 101 | <text 
 102 | 	data-notex="1" 
 103 | 	text-anchor="start"
 104 | 	transform="translate(737.380298,565.087412) scale(0.356641)"
 105 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
 106 | 	data-math="N">channelz/service</text>
 107 | 		
 108 | </g>
 109 | 
 110 | 
 111 | <g>
 112 | 	<rect x="596.766114" y="439.514819" width="124.614184" height="172.485181" style="fill: rgba(164, 216, 106, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 113 | 	
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2088 | 	<rect x="178.110687" y="279.123821" width="6.772154" height="10.863379" style="fill: rgba(217, 239, 139, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
2089 | 	
2090 | </g>
2091 | 
2092 | 
2093 | <g>
2094 | 	<rect x="169.201611" y="204.298775" width="20.605282" height="40.706521" style="fill: rgba(20, 142, 75, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
2095 | 	
2096 | <text 
2097 | 	data-notex="1" 
2098 | 	text-anchor="start"
2099 | 	transform="translate(177.201611,219.898775) scale(0.039976)"
2100 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
2101 | 	data-math="N">unmarshal.go</text>
2102 | 		
2103 | </g>
2104 | 
2105 | 
2106 | <g>
2107 | 	<rect x="135.720748" y="128.000000" width="54.086144" height="68.298775" style="fill: rgba(25, 151, 79, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
2108 | 	
2109 | <text 
2110 | 	data-notex="1" 
2111 | 	text-anchor="start"
2112 | 	transform="translate(143.720748,143.600000) scale(0.247957)"
2113 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
2114 | 	data-math="N">unmarshal_cds.go</text>
2115 | 		
2116 | </g>
2117 | 
2118 | 
2119 | <g>
2120 | 	<rect x="132.968254" y="253.005296" width="18.431037" height="36.981905" style="fill: rgba(62, 167, 87, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
2121 | 	
2122 | <text 
2123 | 	data-notex="1" 
2124 | 	text-anchor="start"
2125 | 	transform="translate(140.968254,268.605296) scale(0.015827)"
2126 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
2127 | 	data-math="N">unmarshal_eds.go</text>
2128 | 		
2129 | </g>
2130 | 
2131 | 
2132 | <g>
2133 | 	<rect x="60.000000" y="260.562748" width="64.968254" height="29.424453" style="fill: rgba(22, 146, 77, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
2134 | 	
2135 | </g>
2136 | 
2137 | 
2138 | <g>
2139 | 	<rect x="60.000000" y="204.298775" width="64.968254" height="48.263973" style="fill: rgba(19, 141, 74, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
2140 | 	
2141 | <text 
2142 | 	data-notex="1" 
2143 | 	text-anchor="start"
2144 | 	transform="translate(68.000000,219.898775) scale(0.318804)"
2145 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
2146 | 	data-math="N">unmarshal_rds.go</text>
2147 | 		
2148 | </g>
2149 | 
2150 | </svg>


--------------------------------------------------------------------------------
/s1/arith.go:
--------------------------------------------------------------------------------
 1 | package s1
 2 | 
 3 | func Add(a, b int) int {
 4 | 	return a + b
 5 | }
 6 | 
 7 | func Sub(a, b int) int {
 8 | 	return a - b
 9 | }
10 | 
11 | func Mul(a, b int) int {
12 | 	return a * b
13 | }
14 | 
15 | func Div(a, b int) int {
16 | 	return a / b
17 | }
18 | 


--------------------------------------------------------------------------------
/s1/arith_test.go:
--------------------------------------------------------------------------------
  1 | package s1
  2 | 
  3 | import (
  4 | 	"testing"
  5 | )
  6 | 
  7 | func TestAdd(t *testing.T) {
  8 | 	type args struct {
  9 | 		a int
 10 | 		b int
 11 | 	}
 12 | 	tests := []struct {
 13 | 		name string
 14 | 		args args
 15 | 		want int
 16 | 	}{
 17 | 		{"普通的两个数相加", args{10, 20}, 30},
 18 | 		{"一个参数是0", args{10, 0}, 10},
 19 | 	}
 20 | 	for _, tt := range tests {
 21 | 		t.Run(tt.name, func(t *testing.T) {
 22 | 			if got := Add(tt.args.a, tt.args.b); got != tt.want {
 23 | 				t.Errorf("Add() = %v, want %v", got, tt.want)
 24 | 			}
 25 | 		})
 26 | 	}
 27 | }
 28 | 
 29 | func TestAdd2(t *testing.T) {
 30 | 	v := Add(1, 2)
 31 | 	if v != 3 {
 32 | 		t.Errorf("expect 3 but got %d", v)
 33 | 	}
 34 | }
 35 | 
 36 | func TestSub(t *testing.T) {
 37 | 	type args struct {
 38 | 		a int
 39 | 		b int
 40 | 	}
 41 | 	tests := []struct {
 42 | 		name string
 43 | 		args args // int
 44 | 		want int  // out
 45 | 	}{
 46 | 		{"普通的两个数相减", args{10, 20}, -10},
 47 | 		{"一个参数是0", args{10, 0}, 10},
 48 | 	}
 49 | 	for _, tt := range tests {
 50 | 		t.Run(tt.name, func(t *testing.T) {
 51 | 			if got := Sub(tt.args.a, tt.args.b); got != tt.want {
 52 | 				t.Errorf("Sub() = %v, want %v", got, tt.want)
 53 | 			}
 54 | 		})
 55 | 	}
 56 | }
 57 | 
 58 | func TestMul(t *testing.T) {
 59 | 	type args struct {
 60 | 		a int
 61 | 		b int
 62 | 	}
 63 | 	tests := []struct {
 64 | 		name string
 65 | 		args args
 66 | 		want int
 67 | 	}{
 68 | 		{"普通的两个数相乘", args{10, 20}, 200},
 69 | 		{"一个参数是0", args{10, 0}, 0},
 70 | 	}
 71 | 	for _, tt := range tests {
 72 | 		t.Run(tt.name, func(t *testing.T) {
 73 | 			if got := Mul(tt.args.a, tt.args.b); got != tt.want {
 74 | 				t.Errorf("Mul() = %v, want %v", got, tt.want)
 75 | 			}
 76 | 		})
 77 | 	}
 78 | }
 79 | 
 80 | func TestDiv(t *testing.T) {
 81 | 	type args struct {
 82 | 		a int
 83 | 		b int
 84 | 	}
 85 | 	tests := []struct {
 86 | 		name string
 87 | 		args args
 88 | 		want int
 89 | 	}{
 90 | 		{"普通的两个数相除", args{10, 20}, 0},
 91 | 		// {"一个参数是0", args{10, 0}, int(math.NaN())},
 92 | 	}
 93 | 	for _, tt := range tests {
 94 | 		t.Run(tt.name, func(t *testing.T) {
 95 | 			if got := Div(tt.args.a, tt.args.b); got != tt.want {
 96 | 				t.Errorf("Div() = %v, want %v", got, tt.want)
 97 | 			}
 98 | 		})
 99 | 	}
100 | 
101 | }
102 | 


--------------------------------------------------------------------------------
/s1/cover.html:
--------------------------------------------------------------------------------
  1 | 
  2 | <!DOCTYPE html>
  3 | <html>
  4 | 	<head>
  5 | 		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  6 | 		<title>s1: Go Coverage Report</title>
  7 | 		<style>
  8 | 			body {
  9 | 				background: black;
 10 | 				color: rgb(80, 80, 80);
 11 | 			}
 12 | 			body, pre, #legend span {
 13 | 				font-family: Menlo, monospace;
 14 | 				font-weight: bold;
 15 | 			}
 16 | 			#topbar {
 17 | 				background: black;
 18 | 				position: fixed;
 19 | 				top: 0; left: 0; right: 0;
 20 | 				height: 42px;
 21 | 				border-bottom: 1px solid rgb(80, 80, 80);
 22 | 			}
 23 | 			#content {
 24 | 				margin-top: 50px;
 25 | 			}
 26 | 			#nav, #legend {
 27 | 				float: left;
 28 | 				margin-left: 10px;
 29 | 			}
 30 | 			#legend {
 31 | 				margin-top: 12px;
 32 | 			}
 33 | 			#nav {
 34 | 				margin-top: 10px;
 35 | 			}
 36 | 			#legend span {
 37 | 				margin: 0 5px;
 38 | 			}
 39 | 			.cov0 { color: rgb(192, 0, 0) }
 40 | .cov1 { color: rgb(128, 128, 128) }
 41 | .cov2 { color: rgb(116, 140, 131) }
 42 | .cov3 { color: rgb(104, 152, 134) }
 43 | .cov4 { color: rgb(92, 164, 137) }
 44 | .cov5 { color: rgb(80, 176, 140) }
 45 | .cov6 { color: rgb(68, 188, 143) }
 46 | .cov7 { color: rgb(56, 200, 146) }
 47 | .cov8 { color: rgb(44, 212, 149) }
 48 | .cov9 { color: rgb(32, 224, 152) }
 49 | .cov10 { color: rgb(20, 236, 155) }
 50 | 
 51 | 		</style>
 52 | 	</head>
 53 | 	<body>
 54 | 		<div id="topbar">
 55 | 			<div id="nav">
 56 | 				<select id="files">
 57 | 				
 58 | 				<option value="file0">github.com/smallnest/go_test_workshop/s1/arith.go (100.0%)</option>
 59 | 				
 60 | 				<option value="file1">github.com/smallnest/go_test_workshop/s1/hello.go (100.0%)</option>
 61 | 				
 62 | 				</select>
 63 | 			</div>
 64 | 			<div id="legend">
 65 | 				<span>not tracked</span>
 66 | 			
 67 | 				<span class="cov0">not covered</span>
 68 | 				<span class="cov8">covered</span>
 69 | 			
 70 | 			</div>
 71 | 		</div>
 72 | 		<div id="content">
 73 | 		
 74 | 		<pre class="file" id="file0" style="display: none">package s1
 75 | 
 76 | func Add(a, b int) int <span class="cov8" title="1">{
 77 |         return a + b
 78 | }</span>
 79 | 
 80 | func Sub(a, b int) int <span class="cov8" title="1">{
 81 |         return a - b
 82 | }</span>
 83 | 
 84 | func Mul(a, b int) int <span class="cov8" title="1">{
 85 |         return a * b
 86 | }</span>
 87 | 
 88 | func Div(a, b int) int <span class="cov8" title="1">{
 89 |         return a / b
 90 | }</span>
 91 | </pre>
 92 | 		
 93 | 		<pre class="file" id="file1" style="display: none">package s1
 94 | 
 95 | func greet(s string) string <span class="cov8" title="1">{
 96 |         return "hello " + s
 97 | }</span>
 98 | </pre>
 99 | 		
100 | 		</div>
101 | 	</body>
102 | 	<script>
103 | 	(function() {
104 | 		var files = document.getElementById('files');
105 | 		var visible;
106 | 		files.addEventListener('change', onChange, false);
107 | 		function select(part) {
108 | 			if (visible)
109 | 				visible.style.display = 'none';
110 | 			visible = document.getElementById(part);
111 | 			if (!visible)
112 | 				return;
113 | 			files.value = part;
114 | 			visible.style.display = 'block';
115 | 			location.hash = part;
116 | 		}
117 | 		function onChange() {
118 | 			select(files.value);
119 | 			window.scrollTo(0, 0);
120 | 		}
121 | 		if (location.hash != "") {
122 | 			select(location.hash.substr(1));
123 | 		}
124 | 		if (!visible) {
125 | 			select("file0");
126 | 		}
127 | 	})();
128 | 	</script>
129 | </html>
130 | 


--------------------------------------------------------------------------------
/s1/cover2.html:
--------------------------------------------------------------------------------
  1 | 
  2 | <!DOCTYPE html>
  3 | <html>
  4 | 	<head>
  5 | 		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  6 | 		<title>s1: Go Coverage Report</title>
  7 | 		<style>
  8 | 			body {
  9 | 				background: black;
 10 | 				color: rgb(80, 80, 80);
 11 | 			}
 12 | 			body, pre, #legend span {
 13 | 				font-family: Menlo, monospace;
 14 | 				font-weight: bold;
 15 | 			}
 16 | 			#topbar {
 17 | 				background: black;
 18 | 				position: fixed;
 19 | 				top: 0; left: 0; right: 0;
 20 | 				height: 42px;
 21 | 				border-bottom: 1px solid rgb(80, 80, 80);
 22 | 			}
 23 | 			#content {
 24 | 				margin-top: 50px;
 25 | 			}
 26 | 			#nav, #legend {
 27 | 				float: left;
 28 | 				margin-left: 10px;
 29 | 			}
 30 | 			#legend {
 31 | 				margin-top: 12px;
 32 | 			}
 33 | 			#nav {
 34 | 				margin-top: 10px;
 35 | 			}
 36 | 			#legend span {
 37 | 				margin: 0 5px;
 38 | 			}
 39 | 			.cov0 { color: rgb(192, 0, 0) }
 40 | .cov1 { color: rgb(128, 128, 128) }
 41 | .cov2 { color: rgb(116, 140, 131) }
 42 | .cov3 { color: rgb(104, 152, 134) }
 43 | .cov4 { color: rgb(92, 164, 137) }
 44 | .cov5 { color: rgb(80, 176, 140) }
 45 | .cov6 { color: rgb(68, 188, 143) }
 46 | .cov7 { color: rgb(56, 200, 146) }
 47 | .cov8 { color: rgb(44, 212, 149) }
 48 | .cov9 { color: rgb(32, 224, 152) }
 49 | .cov10 { color: rgb(20, 236, 155) }
 50 | 
 51 | 		</style>
 52 | 	</head>
 53 | 	<body>
 54 | 		<div id="topbar">
 55 | 			<div id="nav">
 56 | 				<select id="files">
 57 | 				
 58 | 				<option value="file0">github.com/smallnest/go_test_workshop/s1/arith.go (100.0%)</option>
 59 | 				
 60 | 				<option value="file1">github.com/smallnest/go_test_workshop/s1/hello.go (100.0%)</option>
 61 | 				
 62 | 				</select>
 63 | 			</div>
 64 | 			<div id="legend">
 65 | 				<span>not tracked</span>
 66 | 			
 67 | 				<span class="cov0">not covered</span>
 68 | 				<span class="cov8">covered</span>
 69 | 			
 70 | 			</div>
 71 | 		</div>
 72 | 		<div id="content">
 73 | 		
 74 | 		<pre class="file" id="file0" style="display: none">package s1
 75 | 
 76 | func Add(a, b int) int <span class="cov8" title="1">{
 77 |         return a + b
 78 | }</span>
 79 | 
 80 | func Sub(a, b int) int <span class="cov8" title="1">{
 81 |         return a - b
 82 | }</span>
 83 | 
 84 | func Mul(a, b int) int <span class="cov8" title="1">{
 85 |         return a * b
 86 | }</span>
 87 | 
 88 | func Div(a, b int) int <span class="cov8" title="1">{
 89 |         return a / b
 90 | }</span>
 91 | </pre>
 92 | 		
 93 | 		<pre class="file" id="file1" style="display: none">package s1
 94 | 
 95 | func greet(s string) string <span class="cov8" title="1">{
 96 |         return "hello " + s
 97 | }</span>
 98 | </pre>
 99 | 		
100 | 		</div>
101 | 	</body>
102 | 	<script>
103 | 	(function() {
104 | 		var files = document.getElementById('files');
105 | 		var visible;
106 | 		files.addEventListener('change', onChange, false);
107 | 		function select(part) {
108 | 			if (visible)
109 | 				visible.style.display = 'none';
110 | 			visible = document.getElementById(part);
111 | 			if (!visible)
112 | 				return;
113 | 			files.value = part;
114 | 			visible.style.display = 'block';
115 | 			location.hash = part;
116 | 		}
117 | 		function onChange() {
118 | 			select(files.value);
119 | 			window.scrollTo(0, 0);
120 | 		}
121 | 		if (location.hash != "") {
122 | 			select(location.hash.substr(1));
123 | 		}
124 | 		if (!visible) {
125 | 			select("file0");
126 | 		}
127 | 	})();
128 | 	</script>
129 | </html>
130 | 


--------------------------------------------------------------------------------
/s1/hello.go:
--------------------------------------------------------------------------------
1 | package s1
2 | 
3 | func greet(s string) string {
4 | 	return "hello " + s
5 | }
6 | 


--------------------------------------------------------------------------------
/s1/hello_test.go:
--------------------------------------------------------------------------------
 1 | // package s1_test
 2 | 
 3 | package s1
 4 | 
 5 | import "testing"
 6 | 
 7 | func TestGreet(t *testing.T) {
 8 | 	s := greet("test")
 9 | 
10 | 	if s != "hello test" {
11 | 		t.Errorf("want 'hello test' but got %s", s)
12 | 	}
13 | }
14 | 


--------------------------------------------------------------------------------
/s1/out.svg:
--------------------------------------------------------------------------------
 1 | 
 2 | <svg 
 3 | 	xmlns="http://www.w3.org/2000/svg" 
 4 | 	xmlns:xlink="http://www.w3.org/1999/xlink" 
 5 | 	viewBox="0 0 1028.000000 640.000000" 
 6 | 	style="background: white none repeat scroll 0% 0%;"
 7 | >
 8 | 
 9 | <g>
10 | 	<rect x="20.000000" y="20.000000" width="988.000000" height="600.000000" style="fill: rgba(0, 104, 55, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
11 | 	
12 | <text 
13 | 	data-notex="1" 
14 | 	text-anchor="start"
15 | 	transform="translate(28.000000,35.600000) scale(1.000000)"
16 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(255, 255, 255, 65535); fill-opacity: 1; white-space: pre;" 
17 | 	data-math="N">github.com/smallnest/go_test_workshop/s1</text>
18 | 		
19 | </g>
20 | 
21 | 
22 | <g>
23 | 	<rect x="28.000000" y="41.600000" width="776.000000" height="570.400000" style="fill: rgba(0, 104, 55, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
24 | 	
25 | <text 
26 | 	data-notex="1" 
27 | 	text-anchor="start"
28 | 	transform="translate(36.000000,57.200000) scale(1.000000)"
29 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(255, 255, 255, 65535); fill-opacity: 1; white-space: pre;" 
30 | 	data-math="N">arith.go</text>
31 | 		
32 | </g>
33 | 
34 | 
35 | <g>
36 | 	<rect x="812.000000" y="41.600000" width="188.000000" height="570.400000" style="fill: rgba(0, 104, 55, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
37 | 	
38 | <text 
39 | 	data-notex="1" 
40 | 	text-anchor="start"
41 | 	transform="translate(820.000000,57.200000) scale(1.000000)"
42 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(255, 255, 255, 65535); fill-opacity: 1; white-space: pre;" 
43 | 	data-math="N">hello.go</text>
44 | 		
45 | </g>
46 | 
47 | </svg>


--------------------------------------------------------------------------------
/s10/reverse.go:
--------------------------------------------------------------------------------
 1 | package s10
 2 | 
 3 | func Reverse(s string) string {
 4 | 	b := []byte(s)
 5 | 	for i, j := 0, len(b)-1; i < len(b)/2; i, j = i+1, j-1 {
 6 | 		b[i], b[j] = b[j], b[i]
 7 | 	}
 8 | 	return string(b)
 9 | }
10 | 


--------------------------------------------------------------------------------
/s10/reverse_test.go:
--------------------------------------------------------------------------------
 1 | package s10
 2 | 
 3 | import (
 4 | 	"testing"
 5 | 	"unicode/utf8"
 6 | )
 7 | 
 8 | func TestReverse(t *testing.T) {
 9 | 	testcases := []struct {
10 | 		in, want string
11 | 	}{
12 | 		{"Hello, world", "dlrow ,olleH"},
13 | 		{" ", " "},
14 | 		{"!12345", "54321!"},
15 | 	}
16 | 	for _, tc := range testcases {
17 | 		rev := Reverse(tc.in)
18 | 		if rev != tc.want {
19 | 			t.Errorf("Reverse: %q, want %q", rev, tc.want)
20 | 		}
21 | 	}
22 | }
23 | 
24 | func FuzzReverse(f *testing.F) {
25 | 	testcases := []string{"Hello, world", " ", "!12345"}
26 | 	for _, tc := range testcases {
27 | 		f.Add(tc) // Use f.Add to provide a seed corpus
28 | 	}
29 | 	f.Fuzz(func(t *testing.T, orig string) {
30 | 		rev := Reverse(orig)
31 | 		doubleRev := Reverse(rev)
32 | 		if orig != doubleRev {
33 | 			t.Errorf("Before: %q, after: %q", orig, doubleRev)
34 | 		}
35 | 		if utf8.ValidString(orig) && !utf8.ValidString(rev) {
36 | 			t.Errorf("Reverse produced invalid UTF-8 string %q", rev)
37 | 		}
38 | 	})
39 | }
40 | 


--------------------------------------------------------------------------------
/s10/testdata/fuzz/FuzzReverse/6bda972cf8cbff20524e6ebca2a8be89e2d88b246a7ae067174a068f9ea04380:
--------------------------------------------------------------------------------
1 | go test fuzz v1
2 | string("ۯ")
3 | 


--------------------------------------------------------------------------------
/s2/cleanup_test.go:
--------------------------------------------------------------------------------
 1 | package s2
 2 | 
 3 | import (
 4 | 	"io/ioutil"
 5 | 	"os"
 6 | 	"path/filepath"
 7 | 	"testing"
 8 | )
 9 | 
10 | func TestWrite(t *testing.T) {
11 | 	tempDir, err := ioutil.TempDir(".", "temp")
12 | 	if err != nil {
13 | 		t.Errorf("create tempDir: %v", err)
14 | 	}
15 | 	t.Cleanup(func() { os.RemoveAll(tempDir) })
16 | 
17 | 	err = ioutil.WriteFile(filepath.Join(tempDir, "test.log"), []byte("hello test"), 0644)
18 | 	if err != nil {
19 | 		t.Errorf("want writing success but got %v", err)
20 | 	}
21 | }
22 | 


--------------------------------------------------------------------------------
/s2/fail_test.go:
--------------------------------------------------------------------------------
 1 | package s2
 2 | 
 3 | import (
 4 | 	"testing"
 5 | 	"time"
 6 | )
 7 | 
 8 | func TestFail(t *testing.T) {
 9 | 	t.Fail()
10 | 	t.Log("after Fail")
11 | 	t.FailNow()
12 | 	t.Log("after FailNow")
13 | }
14 | 
15 | func TestFatal(t *testing.T) {
16 | 	t.Fatal("fataled")
17 | 	t.Log("after Fatal")
18 | }
19 | 
20 | func TestFatalf(t *testing.T) {
21 | 	t.Fatalf("there is: %v", "Fatalf")
22 | 	t.Log("after Fatalf")
23 | }
24 | 
25 | func TestFailNowInAnotherGoroutine(t *testing.T) {
26 | 	go func() {
27 | 		t.FailNow()
28 | 		t.Log("after FailNow in another goroutine")
29 | 	}()
30 | 
31 | 	time.Sleep(time.Second)
32 | 	t.Log("after one second")
33 | }
34 | 


--------------------------------------------------------------------------------
/s2/helper_test.go:
--------------------------------------------------------------------------------
 1 | package s2
 2 | 
 3 | import "testing"
 4 | 
 5 | func notHelper(t *testing.T, msg string) {
 6 | 	t.Error(msg)
 7 | }
 8 | 
 9 | func helper(t *testing.T, msg string) {
10 | 	t.Helper()
11 | 	t.Error(msg)
12 | }
13 | 
14 | func notHelperCallingHelper(t *testing.T, msg string) {
15 | 	helper(t, msg)
16 | }
17 | 
18 | func helperCallingHelper(t *testing.T, msg string) {
19 | 	t.Helper()
20 | 	helper(t, msg)
21 | }
22 | 
23 | func TestHelper(t *testing.T) {
24 | 	notHelper(t, "0")
25 | 	helper(t, "1")
26 | 	notHelperCallingHelper(t, "2")
27 | 	helperCallingHelper(t, "3")
28 | 
29 | 	fn := func(msg string) {
30 | 		t.Helper()
31 | 		t.Error(msg)
32 | 	}
33 | 	fn("4")
34 | 
35 | 	t.Helper()
36 | 	t.Error("5")
37 | 
38 | 	t.Run("sub", func(t *testing.T) {
39 | 		helper(t, "6")
40 | 		notHelperCallingHelper(t, "7")
41 | 		t.Helper()
42 | 		t.Error("8")
43 | 	})
44 | }
45 | 


--------------------------------------------------------------------------------
/s2/log_test.go:
--------------------------------------------------------------------------------
 1 | package s2
 2 | 
 3 | import (
 4 | 	"testing"
 5 | 	"time"
 6 | )
 7 | 
 8 | func TestLog(t *testing.T) {
 9 | 	t.Log("it is a log")
10 | 	t.Logf("it is a log at %v", time.Now().Format(time.RFC1123))
11 | 
12 | 	t.Error("it is an error")
13 | 	t.Errorf("it is an error at %v", time.Now().Format(time.RFC1123))
14 | }
15 | 


--------------------------------------------------------------------------------
/s2/main_test.go:
--------------------------------------------------------------------------------
 1 | package s2
 2 | 
 3 | import (
 4 | 	"log"
 5 | 	"os"
 6 | 	"testing"
 7 | )
 8 | 
 9 | func TestMain(m *testing.M) {
10 | 	log.Println("do stuff BEFORE the tests!")
11 | 	exitVal := m.Run()
12 | 	log.Println("do stuff AFTER the tests!")
13 | 
14 | 	os.Exit(exitVal)
15 | }
16 | 


--------------------------------------------------------------------------------
/s2/parallel_test.go:
--------------------------------------------------------------------------------
 1 | package s2
 2 | 
 3 | import (
 4 | 	"net/http"
 5 | 	"testing"
 6 | )
 7 | 
 8 | func TestParallel(t *testing.T) {
 9 | 	var urls = map[string]string{"baidu": "http://baidu.com", "bing": "http://bing.com", "google": "http://google.com"}
10 | 	for k, v := range urls {
11 | 		v := v
12 | 		ok := t.Run(k, func(t *testing.T) {
13 | 			t.Parallel()
14 | 
15 | 			t.Logf("start to get %s", v)
16 | 			resp, err := http.Get(v)
17 | 			t.Logf("end to get %s", v)
18 | 			if err != nil {
19 | 				t.Errorf("failed to get %s: %v", v, err)
20 | 				return
21 | 			}
22 | 
23 | 			resp.Body.Close()
24 | 		})
25 | 
26 | 		t.Logf("run: %t", ok)
27 | 	}
28 | }
29 | 


--------------------------------------------------------------------------------
/s2/skip_test.go:
--------------------------------------------------------------------------------
 1 | package s2
 2 | 
 3 | import (
 4 | 	"runtime"
 5 | 	"testing"
 6 | )
 7 | 
 8 | func TestSkip(t *testing.T) {
 9 | 	if runtime.GOOS == "darwin" {
10 | 		t.Skip("skip MacOS")
11 | 	}
12 | 
13 | 	if testing.Short() {
14 | 		t.Skip("skip because of short")
15 | 	}
16 | 
17 | 	t.Log("there a non-skipped log")
18 | }
19 | 


--------------------------------------------------------------------------------
/s4/cover.html:
--------------------------------------------------------------------------------
  1 | 
  2 | <!DOCTYPE html>
  3 | <html>
  4 | 	<head>
  5 | 		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  6 | 		<title>s1: Go Coverage Report</title>
  7 | 		<style>
  8 | 			body {
  9 | 				background: black;
 10 | 				color: rgb(80, 80, 80);
 11 | 			}
 12 | 			body, pre, #legend span {
 13 | 				font-family: Menlo, monospace;
 14 | 				font-weight: bold;
 15 | 			}
 16 | 			#topbar {
 17 | 				background: black;
 18 | 				position: fixed;
 19 | 				top: 0; left: 0; right: 0;
 20 | 				height: 42px;
 21 | 				border-bottom: 1px solid rgb(80, 80, 80);
 22 | 			}
 23 | 			#content {
 24 | 				margin-top: 50px;
 25 | 			}
 26 | 			#nav, #legend {
 27 | 				float: left;
 28 | 				margin-left: 10px;
 29 | 			}
 30 | 			#legend {
 31 | 				margin-top: 12px;
 32 | 			}
 33 | 			#nav {
 34 | 				margin-top: 10px;
 35 | 			}
 36 | 			#legend span {
 37 | 				margin: 0 5px;
 38 | 			}
 39 | 			.cov0 { color: rgb(192, 0, 0) }
 40 | .cov1 { color: rgb(128, 128, 128) }
 41 | .cov2 { color: rgb(116, 140, 131) }
 42 | .cov3 { color: rgb(104, 152, 134) }
 43 | .cov4 { color: rgb(92, 164, 137) }
 44 | .cov5 { color: rgb(80, 176, 140) }
 45 | .cov6 { color: rgb(68, 188, 143) }
 46 | .cov7 { color: rgb(56, 200, 146) }
 47 | .cov8 { color: rgb(44, 212, 149) }
 48 | .cov9 { color: rgb(32, 224, 152) }
 49 | .cov10 { color: rgb(20, 236, 155) }
 50 | 
 51 | 		</style>
 52 | 	</head>
 53 | 	<body>
 54 | 		<div id="topbar">
 55 | 			<div id="nav">
 56 | 				<select id="files">
 57 | 				
 58 | 				<option value="file0">github.com/smallnest/go_test_workshop/s1/arith.go (100.0%)</option>
 59 | 				
 60 | 				<option value="file1">github.com/smallnest/go_test_workshop/s1/hello.go (100.0%)</option>
 61 | 				
 62 | 				<option value="file2">github.com/smallnest/go_test_workshop/s6/book/api/book.go (75.0%)</option>
 63 | 				
 64 | 				<option value="file3">github.com/smallnest/go_test_workshop/s6/book/dao/book.go (66.7%)</option>
 65 | 				
 66 | 				<option value="file4">github.com/smallnest/go_test_workshop/s6/book/service/book.go (100.0%)</option>
 67 | 				
 68 | 				</select>
 69 | 			</div>
 70 | 			<div id="legend">
 71 | 				<span>not tracked</span>
 72 | 			
 73 | 				<span class="cov0">not covered</span>
 74 | 				<span class="cov8">covered</span>
 75 | 			
 76 | 			</div>
 77 | 		</div>
 78 | 		<div id="content">
 79 | 		
 80 | 		<pre class="file" id="file0" style="display: none">package s1
 81 | 
 82 | func Add(a, b int) int <span class="cov8" title="1">{
 83 |         return a + b
 84 | }</span>
 85 | 
 86 | func Sub(a, b int) int <span class="cov8" title="1">{
 87 |         return a - b
 88 | }</span>
 89 | 
 90 | func Mul(a, b int) int <span class="cov8" title="1">{
 91 |         return a * b
 92 | }</span>
 93 | 
 94 | func Div(a, b int) int <span class="cov8" title="1">{
 95 |         return a / b
 96 | }</span>
 97 | </pre>
 98 | 		
 99 | 		<pre class="file" id="file1" style="display: none">package s1
100 | 
101 | func greet(s string) string <span class="cov8" title="1">{
102 |         return "hello " + s
103 | }</span>
104 | </pre>
105 | 		
106 | 		<pre class="file" id="file2" style="display: none">package api
107 | 
108 | import (
109 |         "context"
110 |         "encoding/json"
111 |         "net/http"
112 |         "strconv"
113 | 
114 |         "github.com/smallnest/go_test_workshop/s6/book/model"
115 |         "github.com/smallnest/go_test_workshop/s6/book/service"
116 | )
117 | 
118 | type BookController struct {
119 |         bookService service.BookService
120 | }
121 | 
122 | func (bc *BookController) CreateBook(w http.ResponseWriter, r *http.Request) <span class="cov8" title="1">{
123 |         title := r.FormValue("title")
124 |         authorID := r.FormValue("authorID")
125 |         isbn := r.FormValue("isbn")
126 |         computers := r.FormValue("subject")
127 | 
128 |         aid, err := strconv.Atoi(authorID)
129 |         if err != nil </span><span class="cov0" title="0">{
130 |                 http.Error(w, "wrong author id", http.StatusBadRequest)
131 |                 return
132 |         }</span>
133 | 
134 |         <span class="cov8" title="1">book := &amp;model.Book{
135 |                 Title:    title,
136 |                 AuthorID: aid,
137 |                 ISBN:     isbn,
138 |                 Subject:  computers,
139 |         }
140 | 
141 |         err = bc.bookService.CreateBook(context.TODO(), book)
142 |         if err != nil </span><span class="cov0" title="0">{
143 |                 http.Error(w, "failed to create book", http.StatusInternalServerError)
144 |                 return
145 |         }</span>
146 | 
147 |         <span class="cov8" title="1">data, _ := json.Marshal(book)
148 | 
149 |         w.Header().Set("Contetx-Type", "application/json")
150 |         w.Write(data)</span>
151 | }
152 | </pre>
153 | 		
154 | 		<pre class="file" id="file3" style="display: none">package dao
155 | 
156 | import (
157 |         "context"
158 |         "database/sql"
159 |         "fmt"
160 | 
161 |         "github.com/smallnest/go_test_workshop/s6/book/model"
162 | )
163 | 
164 | type BookStore interface {
165 |         InsertBook(context.Context, *model.Book) error
166 | }
167 | 
168 | func NewBookStore(db *sql.DB) *bookStore <span class="cov0" title="0">{
169 |         return &amp;bookStore{
170 |                 db: db,
171 |         }
172 | }</span>
173 | 
174 | type bookStore struct {
175 |         db *sql.DB
176 | }
177 | 
178 | func (s *bookStore) InsertBook(ctx context.Context, b *model.Book) error <span class="cov8" title="1">{
179 |         const stmt = "INSERT INTO books (author_id, title, isbn) VALUES ($1, $2, $3)"
180 | 
181 |         result, err := s.db.ExecContext(ctx, stmt, b.AuthorID, b.Title, b.ISBN)
182 |         if err != nil </span><span class="cov0" title="0">{
183 |                 return fmt.Errorf("could not insert row: %w", err)
184 |         }</span>
185 | 
186 |         <span class="cov8" title="1">if _, err := result.RowsAffected(); err != nil </span><span class="cov0" title="0">{
187 |                 return fmt.Errorf("could not get affected rows: %w", err)
188 |         }</span>
189 | 
190 |         <span class="cov8" title="1">b.ID, _ = result.LastInsertId()
191 | 
192 |         return nil</span>
193 | }
194 | </pre>
195 | 		
196 | 		<pre class="file" id="file4" style="display: none">package service
197 | 
198 | import (
199 |         "context"
200 |         "database/sql"
201 | 
202 |         "github.com/smallnest/go_test_workshop/s6/book/dao"
203 |         "github.com/smallnest/go_test_workshop/s6/book/model"
204 | )
205 | 
206 | type BookService interface {
207 |         CreateBook(ctx context.Context, b *model.Book) error
208 | }
209 | 
210 | func NewBookService(db *sql.DB) *bookService <span class="cov8" title="1">{
211 |         return &amp;bookService{
212 |                 store: dao.NewBookStore(db),
213 |         }
214 | }</span>
215 | 
216 | type bookService struct {
217 |         store dao.BookStore
218 | }
219 | 
220 | func (s *bookService) CreateBook(ctx context.Context, b *model.Book) error <span class="cov8" title="1">{
221 |         return s.store.InsertBook(ctx, b)
222 | }</span>
223 | </pre>
224 | 		
225 | 		</div>
226 | 	</body>
227 | 	<script>
228 | 	(function() {
229 | 		var files = document.getElementById('files');
230 | 		var visible;
231 | 		files.addEventListener('change', onChange, false);
232 | 		function select(part) {
233 | 			if (visible)
234 | 				visible.style.display = 'none';
235 | 			visible = document.getElementById(part);
236 | 			if (!visible)
237 | 				return;
238 | 			files.value = part;
239 | 			visible.style.display = 'block';
240 | 			location.hash = part;
241 | 		}
242 | 		function onChange() {
243 | 			select(files.value);
244 | 			window.scrollTo(0, 0);
245 | 		}
246 | 		if (location.hash != "") {
247 | 			select(location.hash.substr(1));
248 | 		}
249 | 		if (!visible) {
250 | 			select("file0");
251 | 		}
252 | 	})();
253 | 	</script>
254 | </html>
255 | 


--------------------------------------------------------------------------------
/s4/cover.sh:
--------------------------------------------------------------------------------
 1 | #!/bin/bash
 2 | 
 3 | cd ..
 4 | go test -coverprofile s4/cover.out ./...
 5 | 
 6 | gocov test ./... | gocov-html > s4/cover3.html
 7 | 
 8 | cd s4
 9 | 
10 | go tool cover -html=cover.out -o cover.html
11 | 
12 | go tool cover -o cover2.html -html=cover.out; sed -i'*.bak' 's/black/whitesmoke/g' cover2.html; rm -fr cover2.html*.bak
13 | 


--------------------------------------------------------------------------------
/s4/cover2.html:
--------------------------------------------------------------------------------
  1 | 
  2 | <!DOCTYPE html>
  3 | <html>
  4 | 	<head>
  5 | 		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  6 | 		<title>s1: Go Coverage Report</title>
  7 | 		<style>
  8 | 			body {
  9 | 				background: whitesmoke;
 10 | 				color: rgb(80, 80, 80);
 11 | 			}
 12 | 			body, pre, #legend span {
 13 | 				font-family: Menlo, monospace;
 14 | 				font-weight: bold;
 15 | 			}
 16 | 			#topbar {
 17 | 				background: whitesmoke;
 18 | 				position: fixed;
 19 | 				top: 0; left: 0; right: 0;
 20 | 				height: 42px;
 21 | 				border-bottom: 1px solid rgb(80, 80, 80);
 22 | 			}
 23 | 			#content {
 24 | 				margin-top: 50px;
 25 | 			}
 26 | 			#nav, #legend {
 27 | 				float: left;
 28 | 				margin-left: 10px;
 29 | 			}
 30 | 			#legend {
 31 | 				margin-top: 12px;
 32 | 			}
 33 | 			#nav {
 34 | 				margin-top: 10px;
 35 | 			}
 36 | 			#legend span {
 37 | 				margin: 0 5px;
 38 | 			}
 39 | 			.cov0 { color: rgb(192, 0, 0) }
 40 | .cov1 { color: rgb(128, 128, 128) }
 41 | .cov2 { color: rgb(116, 140, 131) }
 42 | .cov3 { color: rgb(104, 152, 134) }
 43 | .cov4 { color: rgb(92, 164, 137) }
 44 | .cov5 { color: rgb(80, 176, 140) }
 45 | .cov6 { color: rgb(68, 188, 143) }
 46 | .cov7 { color: rgb(56, 200, 146) }
 47 | .cov8 { color: rgb(44, 212, 149) }
 48 | .cov9 { color: rgb(32, 224, 152) }
 49 | .cov10 { color: rgb(20, 236, 155) }
 50 | 
 51 | 		</style>
 52 | 	</head>
 53 | 	<body>
 54 | 		<div id="topbar">
 55 | 			<div id="nav">
 56 | 				<select id="files">
 57 | 				
 58 | 				<option value="file0">github.com/smallnest/go_test_workshop/s1/arith.go (100.0%)</option>
 59 | 				
 60 | 				<option value="file1">github.com/smallnest/go_test_workshop/s1/hello.go (100.0%)</option>
 61 | 				
 62 | 				<option value="file2">github.com/smallnest/go_test_workshop/s6/book/api/book.go (75.0%)</option>
 63 | 				
 64 | 				<option value="file3">github.com/smallnest/go_test_workshop/s6/book/dao/book.go (66.7%)</option>
 65 | 				
 66 | 				<option value="file4">github.com/smallnest/go_test_workshop/s6/book/service/book.go (100.0%)</option>
 67 | 				
 68 | 				</select>
 69 | 			</div>
 70 | 			<div id="legend">
 71 | 				<span>not tracked</span>
 72 | 			
 73 | 				<span class="cov0">not covered</span>
 74 | 				<span class="cov8">covered</span>
 75 | 			
 76 | 			</div>
 77 | 		</div>
 78 | 		<div id="content">
 79 | 		
 80 | 		<pre class="file" id="file0" style="display: none">package s1
 81 | 
 82 | func Add(a, b int) int <span class="cov8" title="1">{
 83 |         return a + b
 84 | }</span>
 85 | 
 86 | func Sub(a, b int) int <span class="cov8" title="1">{
 87 |         return a - b
 88 | }</span>
 89 | 
 90 | func Mul(a, b int) int <span class="cov8" title="1">{
 91 |         return a * b
 92 | }</span>
 93 | 
 94 | func Div(a, b int) int <span class="cov8" title="1">{
 95 |         return a / b
 96 | }</span>
 97 | </pre>
 98 | 		
 99 | 		<pre class="file" id="file1" style="display: none">package s1
100 | 
101 | func greet(s string) string <span class="cov8" title="1">{
102 |         return "hello " + s
103 | }</span>
104 | </pre>
105 | 		
106 | 		<pre class="file" id="file2" style="display: none">package api
107 | 
108 | import (
109 |         "context"
110 |         "encoding/json"
111 |         "net/http"
112 |         "strconv"
113 | 
114 |         "github.com/smallnest/go_test_workshop/s6/book/model"
115 |         "github.com/smallnest/go_test_workshop/s6/book/service"
116 | )
117 | 
118 | type BookController struct {
119 |         bookService service.BookService
120 | }
121 | 
122 | func (bc *BookController) CreateBook(w http.ResponseWriter, r *http.Request) <span class="cov8" title="1">{
123 |         title := r.FormValue("title")
124 |         authorID := r.FormValue("authorID")
125 |         isbn := r.FormValue("isbn")
126 |         computers := r.FormValue("subject")
127 | 
128 |         aid, err := strconv.Atoi(authorID)
129 |         if err != nil </span><span class="cov0" title="0">{
130 |                 http.Error(w, "wrong author id", http.StatusBadRequest)
131 |                 return
132 |         }</span>
133 | 
134 |         <span class="cov8" title="1">book := &amp;model.Book{
135 |                 Title:    title,
136 |                 AuthorID: aid,
137 |                 ISBN:     isbn,
138 |                 Subject:  computers,
139 |         }
140 | 
141 |         err = bc.bookService.CreateBook(context.TODO(), book)
142 |         if err != nil </span><span class="cov0" title="0">{
143 |                 http.Error(w, "failed to create book", http.StatusInternalServerError)
144 |                 return
145 |         }</span>
146 | 
147 |         <span class="cov8" title="1">data, _ := json.Marshal(book)
148 | 
149 |         w.Header().Set("Contetx-Type", "application/json")
150 |         w.Write(data)</span>
151 | }
152 | </pre>
153 | 		
154 | 		<pre class="file" id="file3" style="display: none">package dao
155 | 
156 | import (
157 |         "context"
158 |         "database/sql"
159 |         "fmt"
160 | 
161 |         "github.com/smallnest/go_test_workshop/s6/book/model"
162 | )
163 | 
164 | type BookStore interface {
165 |         InsertBook(context.Context, *model.Book) error
166 | }
167 | 
168 | func NewBookStore(db *sql.DB) *bookStore <span class="cov0" title="0">{
169 |         return &amp;bookStore{
170 |                 db: db,
171 |         }
172 | }</span>
173 | 
174 | type bookStore struct {
175 |         db *sql.DB
176 | }
177 | 
178 | func (s *bookStore) InsertBook(ctx context.Context, b *model.Book) error <span class="cov8" title="1">{
179 |         const stmt = "INSERT INTO books (author_id, title, isbn) VALUES ($1, $2, $3)"
180 | 
181 |         result, err := s.db.ExecContext(ctx, stmt, b.AuthorID, b.Title, b.ISBN)
182 |         if err != nil </span><span class="cov0" title="0">{
183 |                 return fmt.Errorf("could not insert row: %w", err)
184 |         }</span>
185 | 
186 |         <span class="cov8" title="1">if _, err := result.RowsAffected(); err != nil </span><span class="cov0" title="0">{
187 |                 return fmt.Errorf("could not get affected rows: %w", err)
188 |         }</span>
189 | 
190 |         <span class="cov8" title="1">b.ID, _ = result.LastInsertId()
191 | 
192 |         return nil</span>
193 | }
194 | </pre>
195 | 		
196 | 		<pre class="file" id="file4" style="display: none">package service
197 | 
198 | import (
199 |         "context"
200 |         "database/sql"
201 | 
202 |         "github.com/smallnest/go_test_workshop/s6/book/dao"
203 |         "github.com/smallnest/go_test_workshop/s6/book/model"
204 | )
205 | 
206 | type BookService interface {
207 |         CreateBook(ctx context.Context, b *model.Book) error
208 | }
209 | 
210 | func NewBookService(db *sql.DB) *bookService <span class="cov8" title="1">{
211 |         return &amp;bookService{
212 |                 store: dao.NewBookStore(db),
213 |         }
214 | }</span>
215 | 
216 | type bookService struct {
217 |         store dao.BookStore
218 | }
219 | 
220 | func (s *bookService) CreateBook(ctx context.Context, b *model.Book) error <span class="cov8" title="1">{
221 |         return s.store.InsertBook(ctx, b)
222 | }</span>
223 | </pre>
224 | 		
225 | 		</div>
226 | 	</body>
227 | 	<script>
228 | 	(function() {
229 | 		var files = document.getElementById('files');
230 | 		var visible;
231 | 		files.addEventListener('change', onChange, false);
232 | 		function select(part) {
233 | 			if (visible)
234 | 				visible.style.display = 'none';
235 | 			visible = document.getElementById(part);
236 | 			if (!visible)
237 | 				return;
238 | 			files.value = part;
239 | 			visible.style.display = 'block';
240 | 			location.hash = part;
241 | 		}
242 | 		function onChange() {
243 | 			select(files.value);
244 | 			window.scrollTo(0, 0);
245 | 		}
246 | 		if (location.hash != "") {
247 | 			select(location.hash.substr(1));
248 | 		}
249 | 		if (!visible) {
250 | 			select("file0");
251 | 		}
252 | 	})();
253 | 	</script>
254 | </html>
255 | 


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/s4/cover3.html:
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  1 | 
  2 | <html>
  3 |     <head>
  4 |         <title>Coverage Report</title>
  5 |         <meta charset="utf-8">
  6 |         
  7 |         <style type="text/css">
  8 |             body {
  9 |                 background-color: #fff;
 10 |                 font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
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 12 |             table {
 13 |                 margin-left: 10px;
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 19 |             }
 20 |             table.overview td {
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 22 |             }
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 33 |                 float: right; 
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 45 |                 position: fixed;
 46 |                 top: 10px;
 47 |                 float: right;
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 61 |                 font-weight: bold;
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 63 |             #about {
 64 |                 margin-left: 18px;
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108 |                 font-weight: bold;
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111 |                 margin-left: 10px;
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114 |             }
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129 |             p { margin-left: 10px; }
130 |         </style>
131 |         
132 |     </head>
133 |     <body>
134 |         <div id="doctitle">Coverage Report</div>
135 |     <div id="about">Generated on 24 Jul 22 19:38 +0800 with <a href="https://github.com/matm/gocov-html">gocov-html</a></div><div class="funcname">Report Overview</div><table class="overview">
136 | <tr id="s_pkg_github.com/smallnest/go_test_workshop/s1"><td><code><a href="#pkg_github.com/smallnest/go_test_workshop/s1">github.com/smallnest/go_test_workshop/s1</a></code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>5/5</code></td></tr>
137 | <tr id="s_pkg_github.com/smallnest/go_test_workshop/s6/book/api"><td><code><a href="#pkg_github.com/smallnest/go_test_workshop/s6/book/api">github.com/smallnest/go_test_workshop/s6/book/api</a></code></td><td class="percent"><code>75.00%</code></td><td class="linecount"><code>12/16</code></td></tr>
138 | <tr id="s_pkg_github.com/smallnest/go_test_workshop/s6/book/dao"><td><code><a href="#pkg_github.com/smallnest/go_test_workshop/s6/book/dao">github.com/smallnest/go_test_workshop/s6/book/dao</a></code></td><td class="percent"><code>66.67%</code></td><td class="linecount"><code>6/9</code></td></tr>
139 | <tr id="s_pkg_github.com/smallnest/go_test_workshop/s6/book/service"><td><code><a href="#pkg_github.com/smallnest/go_test_workshop/s6/book/service">github.com/smallnest/go_test_workshop/s6/book/service</a></code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>2/2</code></td></tr>
140 | <tr><td><code>Report Total</code></td><td class="percent"><code>78.12%</code></td><td class="linecount"><code>25/32</code></td></tr>
141 | </table>
142 | <div id="pkg_github.com/smallnest/go_test_workshop/s1" class="funcname">Package Overview: github.com/smallnest/go_test_workshop/s1 <span class="packageTotal">100.00%</span></div><p>This is a coverage report created after analysis of the <code>github.com/smallnest/go_test_workshop/s1</code> package. It 
143 |         has been generated with the following command:</p><pre class="cmd">gocov test github.com/smallnest/go_test_workshop/s1 | gocov-html</pre>        <p>Here are the stats. Please select a function name to view its implementation and see what's left for testing.</p><table class="overview">
144 | <tr id="s_fn_Add"><td><code><a href="#fn_Add">Add(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s1/arith.go</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>1/1</code></td></tr>
145 | <tr id="s_fn_Sub"><td><code><a href="#fn_Sub">Sub(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s1/arith.go</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>1/1</code></td></tr>
146 | <tr id="s_fn_Mul"><td><code><a href="#fn_Mul">Mul(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s1/arith.go</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>1/1</code></td></tr>
147 | <tr id="s_fn_Div"><td><code><a href="#fn_Div">Div(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s1/arith.go</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>1/1</code></td></tr>
148 | <tr id="s_fn_greet"><td><code><a href="#fn_greet">greet(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s1/hello.go</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>1/1</code></td></tr>
149 | <tr><td colspan="2"><code>github.com/smallnest/go_test_workshop/s1</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>5/5</code></td></tr>
150 | </table>
151 | 
152 | <div class="funcname" id="fn_Add">func Add</div><div class="info"><a href="#s_fn_Add">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s1/arith.go</code>:</p></div><table class="listing">
153 | <tr><td>3</td><td><code><pre>func Add(a, b int) int {</pre></code></td></tr><tr><td>4</td><td><code><pre>        return a + b</pre></code></td></tr><tr><td>5</td><td><code><pre>}</pre></code></td></tr></table>
154 | 
155 | <div class="funcname" id="fn_Sub">func Sub</div><div class="info"><a href="#s_fn_Sub">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s1/arith.go</code>:</p></div><table class="listing">
156 | <tr><td>7</td><td><code><pre>func Sub(a, b int) int {</pre></code></td></tr><tr><td>8</td><td><code><pre>        return a - b</pre></code></td></tr><tr><td>9</td><td><code><pre>}</pre></code></td></tr></table>
157 | 
158 | <div class="funcname" id="fn_Mul">func Mul</div><div class="info"><a href="#s_fn_Mul">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s1/arith.go</code>:</p></div><table class="listing">
159 | <tr><td>11</td><td><code><pre>func Mul(a, b int) int {</pre></code></td></tr><tr><td>12</td><td><code><pre>        return a * b</pre></code></td></tr><tr><td>13</td><td><code><pre>}</pre></code></td></tr></table>
160 | 
161 | <div class="funcname" id="fn_Div">func Div</div><div class="info"><a href="#s_fn_Div">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s1/arith.go</code>:</p></div><table class="listing">
162 | <tr><td>15</td><td><code><pre>func Div(a, b int) int {</pre></code></td></tr><tr><td>16</td><td><code><pre>        return a / b</pre></code></td></tr><tr><td>17</td><td><code><pre>}</pre></code></td></tr></table>
163 | 
164 | <div class="funcname" id="fn_greet">func greet</div><div class="info"><a href="#s_fn_greet">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s1/hello.go</code>:</p></div><table class="listing">
165 | <tr><td>3</td><td><code><pre>func greet(s string) string {</pre></code></td></tr><tr><td>4</td><td><code><pre>        return &#34;hello &#34; + s</pre></code></td></tr><tr><td>5</td><td><code><pre>}</pre></code></td></tr></table>
166 | 
167 | <!-- Can be parsed by external script
168 | PACKAGE:github.com/smallnest/go_test_workshop/s1 DONE:100.00
169 | -->
170 | 
171 | <div id="pkg_github.com/smallnest/go_test_workshop/s6/book/api" class="funcname">Package Overview: github.com/smallnest/go_test_workshop/s6/book/api <span class="packageTotal">75.00%</span></div><p>This is a coverage report created after analysis of the <code>github.com/smallnest/go_test_workshop/s6/book/api</code> package. It 
172 |         has been generated with the following command:</p><pre class="cmd">gocov test github.com/smallnest/go_test_workshop/s6/book/api | gocov-html</pre>        <p>Here are the stats. Please select a function name to view its implementation and see what's left for testing.</p><table class="overview">
173 | <tr id="s_fn_BookController.CreateBook"><td><code><a href="#fn_BookController.CreateBook">BookController.CreateBook(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s6/book/api/book.go</code></td><td class="percent"><code>75.00%</code></td><td class="linecount"><code>12/16</code></td></tr>
174 | <tr><td colspan="2"><code>github.com/smallnest/go_test_workshop/s6/book/api</code></td><td class="percent"><code>75.00%</code></td><td class="linecount"><code>12/16</code></td></tr>
175 | </table>
176 | 
177 | <div class="funcname" id="fn_BookController.CreateBook">func BookController.CreateBook</div><div class="info"><a href="#s_fn_BookController.CreateBook">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s6/book/api/book.go</code>:</p></div><table class="listing">
178 | <tr><td>17</td><td><code><pre>func (bc *BookController) CreateBook(w http.ResponseWriter, r *http.Request) {</pre></code></td></tr><tr><td>18</td><td><code><pre>        title := r.FormValue(&#34;title&#34;)</pre></code></td></tr><tr><td>19</td><td><code><pre>        authorID := r.FormValue(&#34;authorID&#34;)</pre></code></td></tr><tr><td>20</td><td><code><pre>        isbn := r.FormValue(&#34;isbn&#34;)</pre></code></td></tr><tr><td>21</td><td><code><pre>        computers := r.FormValue(&#34;subject&#34;)</pre></code></td></tr><tr><td>22</td><td><code><pre></pre></code></td></tr><tr><td>23</td><td><code><pre>        aid, err := strconv.Atoi(authorID)</pre></code></td></tr><tr><td>24</td><td><code><pre>        if err != nil {</pre></code></td></tr><tr class="miss"><td>25</td><td><code><pre>                http.Error(w, &#34;wrong author id&#34;, http.StatusBadRequest)</pre></code></td></tr><tr class="miss"><td>26</td><td><code><pre>                return</pre></code></td></tr><tr><td>27</td><td><code><pre>        }</pre></code></td></tr><tr><td>28</td><td><code><pre></pre></code></td></tr><tr><td>29</td><td><code><pre>        book := &amp;model.Book{</pre></code></td></tr><tr><td>30</td><td><code><pre>                Title:    title,</pre></code></td></tr><tr><td>31</td><td><code><pre>                AuthorID: aid,</pre></code></td></tr><tr><td>32</td><td><code><pre>                ISBN:     isbn,</pre></code></td></tr><tr><td>33</td><td><code><pre>                Subject:  computers,</pre></code></td></tr><tr><td>34</td><td><code><pre>        }</pre></code></td></tr><tr><td>35</td><td><code><pre></pre></code></td></tr><tr><td>36</td><td><code><pre>        err = bc.bookService.CreateBook(context.TODO(), book)</pre></code></td></tr><tr><td>37</td><td><code><pre>        if err != nil {</pre></code></td></tr><tr class="miss"><td>38</td><td><code><pre>                http.Error(w, &#34;failed to create book&#34;, http.StatusInternalServerError)</pre></code></td></tr><tr class="miss"><td>39</td><td><code><pre>                return</pre></code></td></tr><tr><td>40</td><td><code><pre>        }</pre></code></td></tr><tr><td>41</td><td><code><pre></pre></code></td></tr><tr><td>42</td><td><code><pre>        data, _ := json.Marshal(book)</pre></code></td></tr><tr><td>43</td><td><code><pre></pre></code></td></tr><tr><td>44</td><td><code><pre>        w.Header().Set(&#34;Contetx-Type&#34;, &#34;application/json&#34;)</pre></code></td></tr><tr><td>45</td><td><code><pre>        w.Write(data)</pre></code></td></tr><tr><td>46</td><td><code><pre>}</pre></code></td></tr></table>
179 | 
180 | <!-- Can be parsed by external script
181 | PACKAGE:github.com/smallnest/go_test_workshop/s6/book/api DONE:75.00
182 | -->
183 | 
184 | <div id="pkg_github.com/smallnest/go_test_workshop/s6/book/dao" class="funcname">Package Overview: github.com/smallnest/go_test_workshop/s6/book/dao <span class="packageTotal">66.67%</span></div><p>This is a coverage report created after analysis of the <code>github.com/smallnest/go_test_workshop/s6/book/dao</code> package. It 
185 |         has been generated with the following command:</p><pre class="cmd">gocov test github.com/smallnest/go_test_workshop/s6/book/dao | gocov-html</pre>        <p>Here are the stats. Please select a function name to view its implementation and see what's left for testing.</p><table class="overview">
186 | <tr id="s_fn_bookStore.InsertBook"><td><code><a href="#fn_bookStore.InsertBook">bookStore.InsertBook(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s6/book/dao/book.go</code></td><td class="percent"><code>75.00%</code></td><td class="linecount"><code>6/8</code></td></tr>
187 | <tr id="s_fn_NewBookStore"><td><code><a href="#fn_NewBookStore">NewBookStore(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s6/book/dao/book.go</code></td><td class="percent"><code>0.00%</code></td><td class="linecount"><code>0/1</code></td></tr>
188 | <tr><td colspan="2"><code>github.com/smallnest/go_test_workshop/s6/book/dao</code></td><td class="percent"><code>66.67%</code></td><td class="linecount"><code>6/9</code></td></tr>
189 | </table>
190 | 
191 | <div class="funcname" id="fn_bookStore.InsertBook">func bookStore.InsertBook</div><div class="info"><a href="#s_fn_bookStore.InsertBook">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s6/book/dao/book.go</code>:</p></div><table class="listing">
192 | <tr><td>25</td><td><code><pre>func (s *bookStore) InsertBook(ctx context.Context, b *model.Book) error {</pre></code></td></tr><tr><td>26</td><td><code><pre>        const stmt = &#34;INSERT INTO books (author_id, title, isbn) VALUES ($1, $2, $3)&#34;</pre></code></td></tr><tr><td>27</td><td><code><pre></pre></code></td></tr><tr><td>28</td><td><code><pre>        result, err := s.db.ExecContext(ctx, stmt, b.AuthorID, b.Title, b.ISBN)</pre></code></td></tr><tr><td>29</td><td><code><pre>        if err != nil {</pre></code></td></tr><tr class="miss"><td>30</td><td><code><pre>                return fmt.Errorf(&#34;could not insert row: %w&#34;, err)</pre></code></td></tr><tr><td>31</td><td><code><pre>        }</pre></code></td></tr><tr><td>32</td><td><code><pre></pre></code></td></tr><tr><td>33</td><td><code><pre>        if _, err := result.RowsAffected(); err != nil {</pre></code></td></tr><tr class="miss"><td>34</td><td><code><pre>                return fmt.Errorf(&#34;could not get affected rows: %w&#34;, err)</pre></code></td></tr><tr><td>35</td><td><code><pre>        }</pre></code></td></tr><tr><td>36</td><td><code><pre></pre></code></td></tr><tr><td>37</td><td><code><pre>        b.ID, _ = result.LastInsertId()</pre></code></td></tr><tr><td>38</td><td><code><pre></pre></code></td></tr><tr><td>39</td><td><code><pre>        return nil</pre></code></td></tr><tr><td>40</td><td><code><pre>}</pre></code></td></tr></table>
193 | 
194 | <div class="funcname" id="fn_NewBookStore">func NewBookStore</div><div class="info"><a href="#s_fn_NewBookStore">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s6/book/dao/book.go</code>:</p></div><table class="listing">
195 | <tr><td>15</td><td><code><pre>func NewBookStore(db *sql.DB) *bookStore {</pre></code></td></tr><tr class="miss"><td>16</td><td><code><pre>        return &amp;bookStore{</pre></code></td></tr><tr><td>17</td><td><code><pre>                db: db,</pre></code></td></tr><tr><td>18</td><td><code><pre>        }</pre></code></td></tr><tr><td>19</td><td><code><pre>}</pre></code></td></tr></table>
196 | 
197 | <!-- Can be parsed by external script
198 | PACKAGE:github.com/smallnest/go_test_workshop/s6/book/dao DONE:66.67
199 | -->
200 | 
201 | <div id="pkg_github.com/smallnest/go_test_workshop/s6/book/service" class="funcname">Package Overview: github.com/smallnest/go_test_workshop/s6/book/service <span class="packageTotal">100.00%</span></div><p>This is a coverage report created after analysis of the <code>github.com/smallnest/go_test_workshop/s6/book/service</code> package. It 
202 |         has been generated with the following command:</p><pre class="cmd">gocov test github.com/smallnest/go_test_workshop/s6/book/service | gocov-html</pre>        <p>Here are the stats. Please select a function name to view its implementation and see what's left for testing.</p><table class="overview">
203 | <tr id="s_fn_NewBookService"><td><code><a href="#fn_NewBookService">NewBookService(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s6/book/service/book.go</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>1/1</code></td></tr>
204 | <tr id="s_fn_bookService.CreateBook"><td><code><a href="#fn_bookService.CreateBook">bookService.CreateBook(...)</a></code></td><td><code>github.com/smallnest/go_test_workshop/s6/book/service/book.go</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>1/1</code></td></tr>
205 | <tr><td colspan="2"><code>github.com/smallnest/go_test_workshop/s6/book/service</code></td><td class="percent"><code>100.00%</code></td><td class="linecount"><code>2/2</code></td></tr>
206 | </table>
207 | 
208 | <div class="funcname" id="fn_NewBookService">func NewBookService</div><div class="info"><a href="#s_fn_NewBookService">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s6/book/service/book.go</code>:</p></div><table class="listing">
209 | <tr><td>15</td><td><code><pre>func NewBookService(db *sql.DB) *bookService {</pre></code></td></tr><tr><td>16</td><td><code><pre>        return &amp;bookService{</pre></code></td></tr><tr><td>17</td><td><code><pre>                store: dao.NewBookStore(db),</pre></code></td></tr><tr><td>18</td><td><code><pre>        }</pre></code></td></tr><tr><td>19</td><td><code><pre>}</pre></code></td></tr></table>
210 | 
211 | <div class="funcname" id="fn_bookService.CreateBook">func bookService.CreateBook</div><div class="info"><a href="#s_fn_bookService.CreateBook">Back</a><p>In <code>/Users/chaoyuepan/go/src/github.com/smallnest/go_test_workshop/s6/book/service/book.go</code>:</p></div><table class="listing">
212 | <tr><td>25</td><td><code><pre>func (s *bookService) CreateBook(ctx context.Context, b *model.Book) error {</pre></code></td></tr><tr><td>26</td><td><code><pre>        return s.store.InsertBook(ctx, b)</pre></code></td></tr><tr><td>27</td><td><code><pre>}</pre></code></td></tr></table>
213 | 
214 | <!-- Can be parsed by external script
215 | PACKAGE:github.com/smallnest/go_test_workshop/s6/book/service DONE:100.00
216 | -->
217 | 
218 | <div id="summaryWrapper"><div class="package">Report Total</div>
219 | <div id="totalcov">78.12%</div>
220 | </div>
221 |     </body>
222 | 


--------------------------------------------------------------------------------
/s4/covermode.go:
--------------------------------------------------------------------------------
 1 | package s4
 2 | 
 3 | func example(letter string) string {
 4 | 	switch letter {
 5 | 	case "a":
 6 | 		return "apple"
 7 | 	case "b":
 8 | 		return "banana"
 9 | 	case "c":
10 | 		return "carrot"
11 | 	case "d":
12 | 		return "date"
13 | 	case "e":
14 | 		return "eggplant"
15 | 	case "f":
16 | 		return "fig"
17 | 	default:
18 | 		return "nevermind"
19 | 	}
20 | }
21 | 


--------------------------------------------------------------------------------
/s4/covermode.html:
--------------------------------------------------------------------------------
  1 | 
  2 | <!DOCTYPE html>
  3 | <html>
  4 | 	<head>
  5 | 		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  6 | 		<title>s4: Go Coverage Report</title>
  7 | 		<style>
  8 | 			body {
  9 | 				background: black;
 10 | 				color: rgb(80, 80, 80);
 11 | 			}
 12 | 			body, pre, #legend span {
 13 | 				font-family: Menlo, monospace;
 14 | 				font-weight: bold;
 15 | 			}
 16 | 			#topbar {
 17 | 				background: black;
 18 | 				position: fixed;
 19 | 				top: 0; left: 0; right: 0;
 20 | 				height: 42px;
 21 | 				border-bottom: 1px solid rgb(80, 80, 80);
 22 | 			}
 23 | 			#content {
 24 | 				margin-top: 50px;
 25 | 			}
 26 | 			#nav, #legend {
 27 | 				float: left;
 28 | 				margin-left: 10px;
 29 | 			}
 30 | 			#legend {
 31 | 				margin-top: 12px;
 32 | 			}
 33 | 			#nav {
 34 | 				margin-top: 10px;
 35 | 			}
 36 | 			#legend span {
 37 | 				margin: 0 5px;
 38 | 			}
 39 | 			.cov0 { color: rgb(192, 0, 0) }
 40 | .cov1 { color: rgb(128, 128, 128) }
 41 | .cov2 { color: rgb(116, 140, 131) }
 42 | .cov3 { color: rgb(104, 152, 134) }
 43 | .cov4 { color: rgb(92, 164, 137) }
 44 | .cov5 { color: rgb(80, 176, 140) }
 45 | .cov6 { color: rgb(68, 188, 143) }
 46 | .cov7 { color: rgb(56, 200, 146) }
 47 | .cov8 { color: rgb(44, 212, 149) }
 48 | .cov9 { color: rgb(32, 224, 152) }
 49 | .cov10 { color: rgb(20, 236, 155) }
 50 | 
 51 | 		</style>
 52 | 	</head>
 53 | 	<body>
 54 | 		<div id="topbar">
 55 | 			<div id="nav">
 56 | 				<select id="files">
 57 | 				
 58 | 				<option value="file0">github.com/smallnest/go_test_workshop/s4/covermode.go (100.0%)</option>
 59 | 				
 60 | 				</select>
 61 | 			</div>
 62 | 			<div id="legend">
 63 | 				<span>not tracked</span>
 64 | 			
 65 | 				<span class="cov0">no coverage</span>
 66 | 				<span class="cov1">low coverage</span>
 67 | 				<span class="cov2">*</span>
 68 | 				<span class="cov3">*</span>
 69 | 				<span class="cov4">*</span>
 70 | 				<span class="cov5">*</span>
 71 | 				<span class="cov6">*</span>
 72 | 				<span class="cov7">*</span>
 73 | 				<span class="cov8">*</span>
 74 | 				<span class="cov9">*</span>
 75 | 				<span class="cov10">high coverage</span>
 76 | 			
 77 | 			</div>
 78 | 		</div>
 79 | 		<div id="content">
 80 | 		
 81 | 		<pre class="file" id="file0" style="display: none">package s4
 82 | 
 83 | func example(letter string) string <span class="cov10" title="7">{
 84 |         switch letter </span>{
 85 |         case "a":<span class="cov1" title="1">
 86 |                 return "apple"</span>
 87 |         case "b":<span class="cov1" title="1">
 88 |                 return "banana"</span>
 89 |         case "c":<span class="cov1" title="1">
 90 |                 return "carrot"</span>
 91 |         case "d":<span class="cov1" title="1">
 92 |                 return "date"</span>
 93 |         case "e":<span class="cov1" title="1">
 94 |                 return "eggplant"</span>
 95 |         case "f":<span class="cov1" title="1">
 96 |                 return "fig"</span>
 97 |         default:<span class="cov1" title="1">
 98 |                 return "nevermind"</span>
 99 |         }
100 | }
101 | </pre>
102 | 		
103 | 		</div>
104 | 	</body>
105 | 	<script>
106 | 	(function() {
107 | 		var files = document.getElementById('files');
108 | 		var visible;
109 | 		files.addEventListener('change', onChange, false);
110 | 		function select(part) {
111 | 			if (visible)
112 | 				visible.style.display = 'none';
113 | 			visible = document.getElementById(part);
114 | 			if (!visible)
115 | 				return;
116 | 			files.value = part;
117 | 			visible.style.display = 'block';
118 | 			location.hash = part;
119 | 		}
120 | 		function onChange() {
121 | 			select(files.value);
122 | 			window.scrollTo(0, 0);
123 | 		}
124 | 		if (location.hash != "") {
125 | 			select(location.hash.substr(1));
126 | 		}
127 | 		if (!visible) {
128 | 			select("file0");
129 | 		}
130 | 	})();
131 | 	</script>
132 | </html>
133 | 


--------------------------------------------------------------------------------
/s4/covermode_test.go:
--------------------------------------------------------------------------------
 1 | package s4
 2 | 
 3 | import "testing"
 4 | 
 5 | func TestExample(t *testing.T) {
 6 | 	for in, out := range map[string]string{
 7 | 		"a": "apple",
 8 | 		"b": "banana",
 9 | 		"c": "carrot",
10 | 		"d": "date",
11 | 		"e": "eggplant",
12 | 		"f": "fig",
13 | 		"":  "nevermind",
14 | 	} {
15 | 		t.Run("input-"+in, func(t *testing.T) {
16 | 			// t.Parallel()
17 | 			result := example(in)
18 | 			if result != out {
19 | 				t.Errorf("sent %s and got %s expected %s", in, result, out)
20 | 			}
21 | 		})
22 | 	}
23 | }
24 | 


--------------------------------------------------------------------------------
/s4/out.svg:
--------------------------------------------------------------------------------
  1 | 
  2 | <svg 
  3 | 	xmlns="http://www.w3.org/2000/svg" 
  4 | 	xmlns:xlink="http://www.w3.org/1999/xlink" 
  5 | 	viewBox="0 0 1028.000000 640.000000" 
  6 | 	style="background: white none repeat scroll 0% 0%;"
  7 | >
  8 | 
  9 | <g>
 10 | 	<rect x="20.000000" y="20.000000" width="988.000000" height="600.000000" style="fill: rgba(114, 195, 100, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 11 | 	
 12 | <text 
 13 | 	data-notex="1" 
 14 | 	text-anchor="start"
 15 | 	transform="translate(28.000000,35.600000) scale(1.000000)"
 16 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
 17 | 	data-math="N">github.com/smallnest/go_test_workshop</text>
 18 | 		
 19 | </g>
 20 | 
 21 | 
 22 | <g>
 23 | 	<rect x="854.875000" y="41.600000" width="145.125000" height="570.400000" style="fill: rgba(0, 104, 55, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 24 | 	
 25 | <text 
 26 | 	data-notex="1" 
 27 | 	text-anchor="start"
 28 | 	transform="translate(862.875000,57.200000) scale(1.000000)"
 29 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(255, 255, 255, 65535); fill-opacity: 1; white-space: pre;" 
 30 | 	data-math="N">s1</text>
 31 | 		
 32 | </g>
 33 | 
 34 | 
 35 | <g>
 36 | 	<rect x="28.000000" y="41.600000" width="818.875000" height="570.400000" style="fill: rgba(140, 206, 103, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 37 | 	
 38 | <text 
 39 | 	data-notex="1" 
 40 | 	text-anchor="start"
 41 | 	transform="translate(36.000000,57.200000) scale(1.000000)"
 42 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
 43 | 	data-math="N">s6/book</text>
 44 | 		
 45 | </g>
 46 | 
 47 | 
 48 | <g>
 49 | 	<rect x="862.875000" y="63.200000" width="129.125000" height="431.040000" style="fill: rgba(0, 104, 55, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 50 | 	
 51 | <text 
 52 | 	data-notex="1" 
 53 | 	text-anchor="start"
 54 | 	transform="translate(870.875000,78.800000) scale(1.000000)"
 55 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(255, 255, 255, 65535); fill-opacity: 1; white-space: pre;" 
 56 | 	data-math="N">arith.go</text>
 57 | 		
 58 | </g>
 59 | 
 60 | 
 61 | <g>
 62 | 	<rect x="862.875000" y="502.240000" width="129.125000" height="101.760000" style="fill: rgba(0, 104, 55, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 63 | 	
 64 | <text 
 65 | 	data-notex="1" 
 66 | 	text-anchor="start"
 67 | 	transform="translate(870.875000,517.840000) scale(1.000000)"
 68 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(255, 255, 255, 65535); fill-opacity: 1; white-space: pre;" 
 69 | 	data-math="N">hello.go</text>
 70 | 		
 71 | </g>
 72 | 
 73 | 
 74 | <g>
 75 | 	<rect x="36.000000" y="63.200000" width="472.518519" height="540.800000" style="fill: rgba(134, 203, 102, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 76 | 	
 77 | <text 
 78 | 	data-notex="1" 
 79 | 	text-anchor="start"
 80 | 	transform="translate(44.000000,78.800000) scale(1.000000)"
 81 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
 82 | 	data-math="N">api/book.go</text>
 83 | 		
 84 | </g>
 85 | 
 86 | 
 87 | <g>
 88 | 	<rect x="516.518519" y="63.200000" width="322.356481" height="441.018182" style="fill: rgba(184, 225, 116, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
 89 | 	
 90 | <text 
 91 | 	data-notex="1" 
 92 | 	text-anchor="start"
 93 | 	transform="translate(524.518519,78.800000) scale(1.000000)"
 94 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(0, 0, 0, 65535); fill-opacity: 1; white-space: pre;" 
 95 | 	data-math="N">dao/book.go</text>
 96 | 		
 97 | </g>
 98 | 
 99 | 
100 | <g>
101 | 	<rect x="516.518519" y="512.218182" width="322.356481" height="91.781818" style="fill: rgba(0, 104, 55, 65535);opacity:1;fill-opacity:1;stroke:rgba(128,128,128,65535);stroke-width:1px;stroke-opacity:1;" />
102 | 	
103 | <text 
104 | 	data-notex="1" 
105 | 	text-anchor="start"
106 | 	transform="translate(524.518519,527.818182) scale(1.000000)"
107 | 	style="font-family: Open Sans, verdana, arial, sans-serif !important; font-size: 12px; fill: rgb(255, 255, 255, 65535); fill-opacity: 1; white-space: pre;" 
108 | 	data-math="N">service/book.go</text>
109 | 		
110 | </g>
111 | 
112 | </svg>


--------------------------------------------------------------------------------
/s5/assert_require_test.go:
--------------------------------------------------------------------------------
 1 | package s5
 2 | 
 3 | import (
 4 | 	"testing"
 5 | 
 6 | 	"github.com/stretchr/testify/assert"
 7 | 	"github.com/stretchr/testify/require"
 8 | )
 9 | 
10 | func TestAssert(t *testing.T) {
11 | 	var err error
12 | 	assert.NoError(t, err)
13 | 
14 | 	assert.Equal(t, 1, 1)
15 | 
16 | 	assert.Empty(t, len([]string{"abc"}))
17 | 
18 | 	assert.Greater(t, 7, 6)
19 | 
20 | 	t.Log("exit assert")
21 | }
22 | 
23 | func TestRequire(t *testing.T) {
24 | 	var err error
25 | 	require.NoError(t, err)
26 | 
27 | 	require.Equal(t, 1, 1)
28 | 
29 | 	require.Empty(t, len([]string{"abc"}))
30 | 
31 | 	require.Greater(t, 7, 6)
32 | 
33 | 	t.Log("exit require")
34 | }
35 | 


--------------------------------------------------------------------------------
/s5/gocovery_test.go:
--------------------------------------------------------------------------------
 1 | package s5
 2 | 
 3 | import (
 4 | 	"testing"
 5 | 
 6 | 	. "github.com/smartystreets/goconvey/convey"
 7 | )
 8 | 
 9 | func TestGocovery(t *testing.T) {
10 | 	Convey("Given a starting integer value", t, func() {
11 | 		x := 42
12 | 
13 | 		Convey("When incremented", func() {
14 | 			x++
15 | 
16 | 			Convey("The value should be greater by one", func() {
17 | 				So(x, ShouldEqual, 43)
18 | 			})
19 | 			Convey("The value should NOT be what it used to be", func() {
20 | 				So(x, ShouldNotEqual, 42)
21 | 			})
22 | 		})
23 | 		Convey("When decremented", func() {
24 | 			x--
25 | 
26 | 			Convey("The value should be lesser by one", func() {
27 | 				So(x, ShouldEqual, 41)
28 | 			})
29 | 			Convey("The value should NOT be what it used to be", func() {
30 | 				So(x, ShouldNotEqual, 42)
31 | 			})
32 | 		})
33 | 	})
34 | }
35 | 


--------------------------------------------------------------------------------
/s6/container/kafka_test.go:
--------------------------------------------------------------------------------
 1 | package container
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"strings"
 6 | 	"testing"
 7 | 	"time"
 8 | 
 9 | 	"github.com/google/uuid"
10 | 	"github.com/segmentio/kafka-go"
11 | 	"github.com/stretchr/testify/assert"
12 | 	"github.com/stretchr/testify/require"
13 | 	"github.com/testcontainers/testcontainers-go"
14 | )
15 | 
16 | func TestWithKafka(t *testing.T) {
17 | 	kafkaContainer := testcontainers.NewLocalDockerCompose(
18 | 		[]string{"testdata/docker-compose.yml"},
19 | 		strings.ToLower(uuid.New().String()),
20 | 	)
21 | 	execError := kafkaContainer.WithCommand([]string{"up", "-d"}).Invoke()
22 | 	require.NoError(t, execError.Error)
23 | 
24 | 	// kafka starts ver slow
25 | 	time.Sleep(time.Minute)
26 | 	defer destroyKafka(kafkaContainer)
27 | 
28 | 	// test write
29 | 	w := &kafka.Writer{
30 | 		Addr:     kafka.TCP("localhost:9092"),
31 | 		Topic:    "test-topic",
32 | 		Balancer: &kafka.LeastBytes{},
33 | 	}
34 | 
35 | 	err := w.WriteMessages(context.Background(),
36 | 		kafka.Message{
37 | 			Key:   []byte("Key-A"),
38 | 			Value: []byte("Hello World!"),
39 | 		},
40 | 		kafka.Message{
41 | 			Key:   []byte("Key-B"),
42 | 			Value: []byte("One!"),
43 | 		},
44 | 		kafka.Message{
45 | 			Key:   []byte("Key-C"),
46 | 			Value: []byte("Two!"),
47 | 		},
48 | 	)
49 | 	assert.NoError(t, err)
50 | 	err = w.Close()
51 | 	assert.NoError(t, err)
52 | 
53 | 	// test read
54 | 	r := kafka.NewReader(kafka.ReaderConfig{
55 | 		Brokers:   []string{"localhost:9092"},
56 | 		Topic:     "test-topic",
57 | 		Partition: 0,
58 | 		MinBytes:  10e3, // 10KB
59 | 		MaxBytes:  10e6, // 10MB
60 | 	})
61 | 
62 | 	m, err := r.ReadMessage(context.Background())
63 | 	assert.NoError(t, err)
64 | 	assert.NotEmpty(t, m)
65 | 
66 | }
67 | 
68 | func destroyKafka(compose *testcontainers.LocalDockerCompose) {
69 | 	compose.Down()
70 | 	time.Sleep(1 * time.Second)
71 | }
72 | 


--------------------------------------------------------------------------------
/s6/container/redis_test.go:
--------------------------------------------------------------------------------
 1 | package container
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"testing"
 6 | 
 7 | 	"github.com/go-redis/redis"
 8 | 	"github.com/stretchr/testify/assert"
 9 | 	"github.com/testcontainers/testcontainers-go"
10 | 	"github.com/testcontainers/testcontainers-go/wait"
11 | )
12 | 
13 | func TestWithRedis(t *testing.T) {
14 | 	ctx := context.Background()
15 | 	req := testcontainers.ContainerRequest{
16 | 		Image:        "redis:latest",
17 | 		ExposedPorts: []string{"6379/tcp"},
18 | 		WaitingFor:   wait.ForLog("Ready to accept connections"),
19 | 	}
20 | 	redisC, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
21 | 		ContainerRequest: req,
22 | 		Started:          true,
23 | 	})
24 | 	if err != nil {
25 | 		t.Error(err)
26 | 	}
27 | 	defer redisC.Terminate(ctx)
28 | 
29 | 	rdb := redis.NewClient(&redis.Options{
30 | 		Addr:     "localhost:6379",
31 | 		Password: "", // no password set
32 | 		DB:       0,  // use default DB
33 | 	})
34 | 
35 | 	err = rdb.Set("key", "value", 0).Err()
36 | 	assert.NoError(t, err)
37 | 
38 | 	val, err := rdb.Get("key").Result()
39 | 	assert.NoError(t, err)
40 | 	assert.Equal(t, "value", val)
41 | 
42 | }
43 | 


--------------------------------------------------------------------------------
/s6/container/testdata/docker-compose.yml:
--------------------------------------------------------------------------------
 1 | version: "3"
 2 | services:
 3 |   zookeeper:
 4 |     image: wurstmeister/zookeeper:latest
 5 |     container_name: zookeeper
 6 |     expose:
 7 |       - 2181
 8 |   kafka:
 9 |     image: wurstmeister/kafka:latest
10 |     container_name: kafka
11 |     depends_on:
12 |       - zookeeper
13 |     ports:
14 |       - "9092:9092"
15 |     environment:
16 |       KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092
17 |       KAFKA_LISTENERS: PLAINTEXT://0.0.0.0:9092
18 |       KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
19 |       KAFKA_CREATE_TOPICS: "test-topic:1:1"


--------------------------------------------------------------------------------
/s6/gnomock/kafka_test.go:
--------------------------------------------------------------------------------
 1 | package gnomock_test
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"os"
 6 | 	"testing"
 7 | 	"time"
 8 | 
 9 | 	"github.com/orlangure/gnomock"
10 | 	"github.com/orlangure/gnomock/preset/kafka"
11 | 	kafkaclient "github.com/segmentio/kafka-go"
12 | 	"github.com/stretchr/testify/require"
13 | )
14 | 
15 | func TestKafka(t *testing.T) {
16 | 	// init some messages
17 | 	messages := []kafka.Message{
18 | 		{
19 | 			Topic: "events",
20 | 			Key:   "order",
21 | 			Value: "1",
22 | 			Time:  time.Now().UnixNano(),
23 | 		},
24 | 		{
25 | 			Topic: "alerts",
26 | 			Key:   "CPU",
27 | 			Value: "92",
28 | 			Time:  time.Now().UnixNano(),
29 | 		},
30 | 	}
31 | 
32 | 	p := kafka.Preset(
33 | 		kafka.WithTopics("topic-1", "topic-2"),
34 | 		kafka.WithMessages(messages...),
35 | 	)
36 | 
37 | 	// start the kafka container
38 | 	container, err := gnomock.Start(
39 | 		p,
40 | 		gnomock.WithDebugMode(), gnomock.WithLogWriter(os.Stdout),
41 | 		gnomock.WithContainerName("kafka"),
42 | 		gnomock.WithUseLocalImagesFirst(),
43 | 	)
44 | 	require.NoError(t, err)
45 | 	// stop the kafka container on exit
46 | 	defer func() { require.NoError(t, gnomock.Stop(container)) }()
47 | 
48 | 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
49 | 	defer cancel()
50 | 
51 | 	alertsReader := kafkaclient.NewReader(kafkaclient.ReaderConfig{
52 | 		Brokers: []string{container.Address(kafka.BrokerPort)},
53 | 		Topic:   "alerts",
54 | 	})
55 | 
56 | 	m, err := alertsReader.ReadMessage(ctx)
57 | 	require.NoError(t, err)
58 | 	require.NoError(t, alertsReader.Close())
59 | 
60 | 	require.Equal(t, "CPU", string(m.Key))
61 | 	require.Equal(t, "92", string(m.Value))
62 | 
63 | 	eventsReader := kafkaclient.NewReader(kafkaclient.ReaderConfig{
64 | 		Brokers: []string{container.Address(kafka.BrokerPort)},
65 | 		Topic:   "events",
66 | 	})
67 | 
68 | 	m, err = eventsReader.ReadMessage(ctx)
69 | 	require.NoError(t, err)
70 | 	require.NoError(t, eventsReader.Close())
71 | 
72 | 	require.Equal(t, "order", string(m.Key))
73 | 	require.Equal(t, "1", string(m.Value))
74 | 
75 | 	c, err := kafkaclient.Dial("tcp", container.Address(kafka.BrokerPort))
76 | 	require.NoError(t, err)
77 | 
78 | 	require.NoError(t, c.DeleteTopics("topic-1", "topic-2"))
79 | 	require.Error(t, c.DeleteTopics("unknown-topic"))
80 | 
81 | 	require.NoError(t, c.Close())
82 | }
83 | 


--------------------------------------------------------------------------------
/s6/gnomock/redis_test.go:
--------------------------------------------------------------------------------
 1 | package gnomock_test
 2 | 
 3 | import (
 4 | 	"fmt"
 5 | 	"testing"
 6 | 
 7 | 	redisclient "github.com/go-redis/redis/v7"
 8 | 	"github.com/orlangure/gnomock"
 9 | 	"github.com/orlangure/gnomock/preset/redis"
10 | )
11 | 
12 | func TestRedis(t *testing.T) {
13 | 	vs := make(map[string]interface{})
14 | 
15 | 	vs["a"] = "foo"
16 | 	vs["b"] = 42
17 | 	vs["c"] = true
18 | 
19 | 	p := redis.Preset(redis.WithValues(vs))
20 | 	container, _ := gnomock.Start(p,
21 | 		gnomock.WithDebugMode(),
22 | 		gnomock.WithUseLocalImagesFirst(),
23 | 	)
24 | 
25 | 	defer func() { _ = gnomock.Stop(container) }()
26 | 
27 | 	addr := container.DefaultAddress()
28 | 	client := redisclient.NewClient(&redisclient.Options{Addr: addr})
29 | 
30 | 	fmt.Println(client.Get("a").Result())
31 | 
32 | 	var number int
33 | 
34 | 	err := client.Get("b").Scan(&number)
35 | 	fmt.Println(number, err)
36 | 
37 | 	var flag bool
38 | 
39 | 	err = client.Get("c").Scan(&flag)
40 | 	fmt.Println(flag, err)
41 | }
42 | 


--------------------------------------------------------------------------------
/s6/httptest/handler_test.go:
--------------------------------------------------------------------------------
 1 | package httptest
 2 | 
 3 | import (
 4 | 	"fmt"
 5 | 	"io"
 6 | 	"net/http"
 7 | 	"net/http/httptest"
 8 | 	"testing"
 9 | )
10 | 
11 | func TestHandler(t *testing.T) {
12 | 	handler := func(w http.ResponseWriter, r *http.Request) {
13 | 		io.WriteString(w, "<html><body>Hello World!</body></html>")
14 | 	}
15 | 
16 | 	req := httptest.NewRequest("GET", "http://example.com/foo", nil)
17 | 	w := httptest.NewRecorder()
18 | 	handler(w, req)
19 | 
20 | 	resp := w.Result()
21 | 	body, _ := io.ReadAll(resp.Body)
22 | 
23 | 	fmt.Println(resp.StatusCode)
24 | 	fmt.Println(resp.Header.Get("Content-Type"))
25 | 	fmt.Println(string(body))
26 | 
27 | }
28 | 


--------------------------------------------------------------------------------
/s6/httptest/server_test.go:
--------------------------------------------------------------------------------
 1 | package httptest
 2 | 
 3 | import (
 4 | 	"fmt"
 5 | 	"io"
 6 | 	"log"
 7 | 	"net/http"
 8 | 	"net/http/httptest"
 9 | 	"testing"
10 | )
11 | 
12 | func TestHTTPServer(t *testing.T) {
13 | 	ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
14 | 		fmt.Fprintf(w, "Hello, %s", r.Proto)
15 | 	}))
16 | 	ts.EnableHTTP2 = true
17 | 	ts.StartTLS()
18 | 	defer ts.Close()
19 | 
20 | 	res, err := ts.Client().Get(ts.URL)
21 | 	if err != nil {
22 | 		log.Fatal(err)
23 | 	}
24 | 	greeting, err := io.ReadAll(res.Body)
25 | 	res.Body.Close()
26 | 	if err != nil {
27 | 		log.Fatal(err)
28 | 	}
29 | 	fmt.Printf("%s", greeting)
30 | 
31 | }
32 | 


--------------------------------------------------------------------------------
/s6/mock/io_test.go:
--------------------------------------------------------------------------------
 1 | // Code generated by MockGen. DO NOT EDIT.
 2 | // Source: io (interfaces: Reader,Writer)
 3 | 
 4 | // Package mock_io is a generated GoMock package.
 5 | package mock_io
 6 | 
 7 | import (
 8 | 	reflect "reflect"
 9 | 
10 | 	gomock "github.com/golang/mock/gomock"
11 | )
12 | 
13 | // MockReader is a mock of Reader interface.
14 | type MockReader struct {
15 | 	ctrl     *gomock.Controller
16 | 	recorder *MockReaderMockRecorder
17 | }
18 | 
19 | // MockReaderMockRecorder is the mock recorder for MockReader.
20 | type MockReaderMockRecorder struct {
21 | 	mock *MockReader
22 | }
23 | 
24 | // NewMockReader creates a new mock instance.
25 | func NewMockReader(ctrl *gomock.Controller) *MockReader {
26 | 	mock := &MockReader{ctrl: ctrl}
27 | 	mock.recorder = &MockReaderMockRecorder{mock}
28 | 	return mock
29 | }
30 | 
31 | // EXPECT returns an object that allows the caller to indicate expected use.
32 | func (m *MockReader) EXPECT() *MockReaderMockRecorder {
33 | 	return m.recorder
34 | }
35 | 
36 | // Read mocks base method.
37 | func (m *MockReader) Read(arg0 []byte) (int, error) {
38 | 	m.ctrl.T.Helper()
39 | 	ret := m.ctrl.Call(m, "Read", arg0)
40 | 	ret0, _ := ret[0].(int)
41 | 	ret1, _ := ret[1].(error)
42 | 	return ret0, ret1
43 | }
44 | 
45 | // Read indicates an expected call of Read.
46 | func (mr *MockReaderMockRecorder) Read(arg0 interface{}) *gomock.Call {
47 | 	mr.mock.ctrl.T.Helper()
48 | 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Read", reflect.TypeOf((*MockReader)(nil).Read), arg0)
49 | }
50 | 
51 | // MockWriter is a mock of Writer interface.
52 | type MockWriter struct {
53 | 	ctrl     *gomock.Controller
54 | 	recorder *MockWriterMockRecorder
55 | }
56 | 
57 | // MockWriterMockRecorder is the mock recorder for MockWriter.
58 | type MockWriterMockRecorder struct {
59 | 	mock *MockWriter
60 | }
61 | 
62 | // NewMockWriter creates a new mock instance.
63 | func NewMockWriter(ctrl *gomock.Controller) *MockWriter {
64 | 	mock := &MockWriter{ctrl: ctrl}
65 | 	mock.recorder = &MockWriterMockRecorder{mock}
66 | 	return mock
67 | }
68 | 
69 | // EXPECT returns an object that allows the caller to indicate expected use.
70 | func (m *MockWriter) EXPECT() *MockWriterMockRecorder {
71 | 	return m.recorder
72 | }
73 | 
74 | // Write mocks base method.
75 | func (m *MockWriter) Write(arg0 []byte) (int, error) {
76 | 	m.ctrl.T.Helper()
77 | 	ret := m.ctrl.Call(m, "Write", arg0)
78 | 	ret0, _ := ret[0].(int)
79 | 	ret1, _ := ret[1].(error)
80 | 	return ret0, ret1
81 | }
82 | 
83 | // Write indicates an expected call of Write.
84 | func (mr *MockWriterMockRecorder) Write(arg0 interface{}) *gomock.Call {
85 | 	mr.mock.ctrl.T.Helper()
86 | 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Write", reflect.TypeOf((*MockWriter)(nil).Write), arg0)
87 | }
88 | 


--------------------------------------------------------------------------------
/s6/mock/rw_test.go:
--------------------------------------------------------------------------------
 1 | package mock_io
 2 | 
 3 | import (
 4 | 	"testing"
 5 | 
 6 | 	"github.com/golang/mock/gomock"
 7 | 	"github.com/stretchr/testify/assert"
 8 | )
 9 | 
10 | func TestReader(t *testing.T) {
11 | 	ctrl := gomock.NewController(t)
12 | 	defer ctrl.Finish()
13 | 
14 | 	r := NewMockReader(ctrl)
15 | 
16 | 	r.EXPECT().Read(gomock.All()).Do(func(arg0 []byte) {
17 | 		for i := 0; i < 10; i++ {
18 | 			arg0[i] = 'a' + byte(i)
19 | 		}
20 | 	}).Return(10, nil).AnyTimes()
21 | 
22 | 	data := make([]byte, 1024)
23 | 	n, err := r.Read(data)
24 | 	assert.NoError(t, err)
25 | 	assert.Equal(t, 10, n)
26 | 	assert.Equal(t, "abcdefghij", string(data[:n]))
27 | 
28 | }
29 | 
30 | 
31 | 
32 | 


--------------------------------------------------------------------------------
/s6/mockey/mock_test.go:
--------------------------------------------------------------------------------
 1 | package mockey
 2 | 
 3 | import (
 4 | 	"fmt"
 5 | 	"os"
 6 | 	"testing"
 7 | 
 8 | 	"github.com/bytedance/mockey"
 9 | )
10 | 
11 | // go test -v . -ldflags=-checklinkname=0 -gcflags="all=-N -l"
12 | 
13 | func TestCallerFunc(t *testing.T) {
14 | 	origin := fmt.Println
15 | 	mock := func(a ...any) (n int, err error) {
16 | 		fmt.Fprintln(os.Stdout, "I have changed the arguments")
17 | 		return origin(a...)
18 | 	}
19 | 	mock2 := mockey.Mock(origin).To(mock).Origin(&origin).Build()
20 | 	defer mock2.UnPatch()
21 | 
22 | 	mock2.When(func(a ...any) bool {
23 | 		if len(a) == 1 && a[0] == "hello world" {
24 | 			return true
25 | 		}
26 | 
27 | 		return false
28 | 	}).To(func(a ...any) (n int, err error) {
29 | 		return fmt.Fprintln(os.Stdout, "matched when")
30 | 	})
31 | 
32 | 	fmt.Println("hello world")
33 | 	fmt.Println("hello mockey")
34 | }
35 | 


--------------------------------------------------------------------------------
/s6/monkey/hello_test.go:
--------------------------------------------------------------------------------
 1 | package monkey
 2 | 
 3 | import (
 4 | 	"fmt"
 5 | 	"os"
 6 | 	"testing"
 7 | 
 8 | 	// "bou.ke/monkey"
 9 | 	"github.com/agiledragon/gomonkey/v2"
10 | )
11 | 
12 | func TestPrintlnByGomonkey(t *testing.T) {
13 | 	patches := gomonkey.ApplyFunc(fmt.Println, func(a ...any) (n int, err error) {
14 | 
15 | 		return fmt.Fprintln(os.Stdout, "I have changed the arguments")
16 | 	})
17 | 	defer patches.Reset()
18 | 
19 | 	fmt.Println("hello world")
20 | }
21 | 
22 | // func TestPrintlnByMonkey(t *testing.T) {
23 | // 	monkey.Patch(fmt.Println, func(a ...interface{}) (n int, err error) {
24 | // 		s := make([]interface{}, len(a))
25 | // 		for i, v := range a {
26 | // 			s[i] = strings.Replace(fmt.Sprint(v), "hell", "*bleep*", -1)
27 | // 		}
28 | // 		return fmt.Fprintln(os.Stdout, s...)
29 | // 	})
30 | // 	fmt.Println("what the hell?") // what the *bleep*?
31 | // }
32 | 


--------------------------------------------------------------------------------
/s7/book/api/book.go:
--------------------------------------------------------------------------------
 1 | package api
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"encoding/json"
 6 | 	"net/http"
 7 | 	"strconv"
 8 | 
 9 | 	"github.com/smallnest/go_test_workshop/s7/book/model"
10 | 	"github.com/smallnest/go_test_workshop/s7/book/service"
11 | )
12 | 
13 | type BookController struct {
14 | 	bookService service.BookService
15 | }
16 | 
17 | func (bc *BookController) CreateBook(w http.ResponseWriter, r *http.Request) {
18 | 	title := r.FormValue("title")
19 | 	authorID := r.FormValue("authorID")
20 | 	isbn := r.FormValue("isbn")
21 | 	computers := r.FormValue("subject")
22 | 
23 | 	aid, err := strconv.Atoi(authorID)
24 | 	if err != nil {
25 | 		http.Error(w, "wrong author id", http.StatusBadRequest)
26 | 		return
27 | 	}
28 | 
29 | 	book := &model.Book{
30 | 		Title:    title,
31 | 		AuthorID: aid,
32 | 		ISBN:     isbn,
33 | 		Subject:  computers,
34 | 	}
35 | 
36 | 	err = bc.bookService.CreateBook(context.TODO(), book)
37 | 	if err != nil {
38 | 		http.Error(w, "failed to create book", http.StatusInternalServerError)
39 | 		return
40 | 	}
41 | 
42 | 	data, _ := json.Marshal(book)
43 | 
44 | 	w.Header().Set("Contetx-Type", "application/json")
45 | 	w.Write(data)
46 | }
47 | 


--------------------------------------------------------------------------------
/s7/book/api/book_monkey_test.go:
--------------------------------------------------------------------------------
 1 | package api
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"encoding/json"
 6 | 	"io"
 7 | 	"net/http"
 8 | 	"net/http/httptest"
 9 | 	"net/url"
10 | 	"strings"
11 | 	"testing"
12 | 
13 | 	"github.com/agiledragon/gomonkey/v2"
14 | 	"github.com/smallnest/go_test_workshop/s7/book/model"
15 | 	"github.com/smallnest/go_test_workshop/s7/book/service"
16 | 	"github.com/stretchr/testify/assert"
17 | 	"github.com/stretchr/testify/require"
18 | )
19 | 
20 | func TestBookController_GetBook_By_Monkey(t *testing.T) {
21 | 	bookService := service.NewBookService(nil)
22 | 	bc := &BookController{bookService: bookService}
23 | 
24 | 	data := url.Values{}
25 | 	data.Set("title", "The Go Programming Language")
26 | 	data.Set("authorID", "1")
27 | 	data.Set("isbn", "978-0134190440")
28 | 	data.Set("subject", "computers")
29 | 
30 | 	r := httptest.NewRequest("POST", "http://example.com/foo", strings.NewReader(data.Encode()))
31 | 	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
32 | 
33 | 	book := &model.Book{
34 | 		ID:       6,
35 | 		Title:    "The Go Programming Language",
36 | 		AuthorID: 1,
37 | 		ISBN:     "978-0134190440",
38 | 		Subject:  "computers",
39 | 	}
40 | 	patches := gomonkey.ApplyMethodFunc(bookService, "CreateBook", func(ctx context.Context, b *model.Book) error {
41 | 		b.ID = 6
42 | 
43 | 		return nil
44 | 	})
45 | 	defer patches.Reset()
46 | 
47 | 	w := httptest.NewRecorder()
48 | 	bc.CreateBook(w, r)
49 | 
50 | 	resp := w.Result()
51 | 	require.Equal(t, http.StatusOK, resp.StatusCode)
52 | 	body, _ := io.ReadAll(resp.Body)
53 | 
54 | 	err := json.Unmarshal(body, &book)
55 | 	require.NoError(t, err)
56 | 	assert.NotZero(t, book.ID)
57 | }
58 | 


--------------------------------------------------------------------------------
/s7/book/api/book_test.go:
--------------------------------------------------------------------------------
 1 | package api
 2 | 
 3 | import (
 4 | 	"encoding/json"
 5 | 	"io"
 6 | 	"net/http"
 7 | 	"net/http/httptest"
 8 | 	"net/url"
 9 | 	"strings"
10 | 	"testing"
11 | 
12 | 	"github.com/smallnest/go_test_workshop/s7/book/model"
13 | 	"github.com/smallnest/go_test_workshop/s7/book/service"
14 | 	"github.com/smallnest/go_test_workshop/s7/book/util"
15 | 	"github.com/stretchr/testify/assert"
16 | 	"github.com/stretchr/testify/require"
17 | )
18 | 
19 | func TestBookController_GetBook(t *testing.T) {
20 | 	db := util.CreateTestDB(t)
21 | 	defer db.Close()
22 | 
23 | 	bookService := service.NewBookService(db)
24 | 	bc := &BookController{bookService: bookService}
25 | 
26 | 	data := url.Values{}
27 | 	data.Set("title", "The Go Programming Language")
28 | 	data.Set("authorID", "1")
29 | 	data.Set("isbn", "978-0134190440")
30 | 	data.Set("subject", "computers")
31 | 
32 | 	r := httptest.NewRequest("POST", "http://example.com/foo", strings.NewReader(data.Encode()))
33 | 	r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
34 | 
35 | 	w := httptest.NewRecorder()
36 | 	bc.CreateBook(w, r)
37 | 
38 | 	resp := w.Result()
39 | 	require.Equal(t, http.StatusOK, resp.StatusCode)
40 | 	body, _ := io.ReadAll(resp.Body)
41 | 
42 | 	var book model.Book
43 | 	err := json.Unmarshal(body, &book)
44 | 	require.NoError(t, err)
45 | 	assert.NotZero(t, book.ID)
46 | }
47 | 


--------------------------------------------------------------------------------
/s7/book/api/test-bin:
--------------------------------------------------------------------------------
1 | 


--------------------------------------------------------------------------------
/s7/book/dao/book.go:
--------------------------------------------------------------------------------
 1 | package dao
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"database/sql"
 6 | 	"fmt"
 7 | 
 8 | 	"github.com/smallnest/go_test_workshop/s7/book/model"
 9 | )
10 | 
11 | type BookStore interface {
12 | 	InsertBook(context.Context, *model.Book) error
13 | }
14 | 
15 | func NewBookStore(db *sql.DB) *bookStore {
16 | 	return &bookStore{
17 | 		db: db,
18 | 	}
19 | }
20 | 
21 | type bookStore struct {
22 | 	db *sql.DB
23 | }
24 | 
25 | func (s *bookStore) InsertBook(ctx context.Context, b *model.Book) error {
26 | 	const stmt = "INSERT INTO books (author_id, title, isbn) VALUES ($1, $2, $3)"
27 | 
28 | 	result, err := s.db.ExecContext(ctx, stmt, b.AuthorID, b.Title, b.ISBN)
29 | 	if err != nil {
30 | 		return fmt.Errorf("could not insert row: %w", err)
31 | 	}
32 | 
33 | 	if _, err := result.RowsAffected(); err != nil {
34 | 		return fmt.Errorf("could not get affected rows: %w", err)
35 | 	}
36 | 
37 | 	b.ID, _ = result.LastInsertId()
38 | 
39 | 	return nil
40 | }
41 | 


--------------------------------------------------------------------------------
/s7/book/dao/book_test.go:
--------------------------------------------------------------------------------
 1 | package dao
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"testing"
 6 | 
 7 | 	"github.com/DATA-DOG/go-sqlmock"
 8 | 	"github.com/smallnest/go_test_workshop/s7/book/model"
 9 | 	"github.com/stretchr/testify/assert"
10 | 	"github.com/stretchr/testify/require"
11 | )
12 | 
13 | func TestBookStore_InsertBook(t *testing.T) {
14 | 	db, mock, err := sqlmock.New()
15 | 	assert.NoError(t, err, "an error '%s' was not expected when opening a stub database connection", err)
16 | 	defer db.Close()
17 | 
18 | 	store := &bookStore{
19 | 		db: db,
20 | 	}
21 | 
22 | 	book := &model.Book{
23 | 		Title:    "The Go Programming Language",
24 | 		AuthorID: 1,
25 | 		ISBN:     "978-0134190440",
26 | 		Subject:  "computers",
27 | 	}
28 | 
29 | 	mock.ExpectExec("INSERT INTO books").WillReturnResult(sqlmock.NewResult(1, 1))
30 | 
31 | 	err = store.InsertBook(context.TODO(), book)
32 | 
33 | 	require.NoError(t, err)
34 | 	assert.NotZero(t, book.ID)
35 | }
36 | 


--------------------------------------------------------------------------------
/s7/book/model/book.go:
--------------------------------------------------------------------------------
 1 | package model
 2 | 
 3 | type Book struct {
 4 | 	ID       int64
 5 | 	AuthorID int
 6 | 	Title    string
 7 | 	ISBN     string
 8 | 	Subject  string
 9 | }
10 | 
11 | type Author struct {
12 | 	ID        int
13 | 	FirstName string
14 | 	LastName  string
15 | }
16 | 


--------------------------------------------------------------------------------
/s7/book/service/book.go:
--------------------------------------------------------------------------------
 1 | package service
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"database/sql"
 6 | 
 7 | 	"github.com/smallnest/go_test_workshop/s7/book/dao"
 8 | 	"github.com/smallnest/go_test_workshop/s7/book/model"
 9 | )
10 | 
11 | type BookService interface {
12 | 	CreateBook(ctx context.Context, b *model.Book) error
13 | }
14 | 
15 | func NewBookService(db *sql.DB) *bookService {
16 | 	return &bookService{
17 | 		store: dao.NewBookStore(db),
18 | 	}
19 | }
20 | 
21 | type bookService struct {
22 | 	store dao.BookStore
23 | }
24 | 
25 | func (s *bookService) CreateBook(ctx context.Context, b *model.Book) error {
26 | 	return s.store.InsertBook(ctx, b)
27 | }
28 | 


--------------------------------------------------------------------------------
/s7/book/service/book_test.go:
--------------------------------------------------------------------------------
 1 | package service
 2 | 
 3 | import (
 4 | 	"context"
 5 | 	"testing"
 6 | 
 7 | 	"github.com/smallnest/go_test_workshop/s7/book/model"
 8 | 	"github.com/smallnest/go_test_workshop/s7/book/util"
 9 | 	"github.com/stretchr/testify/assert"
10 | 	"github.com/stretchr/testify/require"
11 | )
12 | 
13 | func TestBookService_CreateBook(t *testing.T) {
14 | 	db := util.CreateTestDB(t)
15 | 	defer db.Close()
16 | 
17 | 	bookService := NewBookService(db)
18 | 
19 | 	book := &model.Book{
20 | 		Title:    "The Go Programming Language",
21 | 		AuthorID: 1,
22 | 		ISBN:     "978-0134190440",
23 | 		Subject:  "computers",
24 | 	}
25 | 	err := bookService.CreateBook(context.TODO(), book)
26 | 
27 | 	require.NoError(t, err)
28 | 	assert.NotZero(t, book.ID)
29 | }
30 | 


--------------------------------------------------------------------------------
/s7/book/testdata/test.db:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/smallnest/go_test_workshop/27f12b63da3545c6ea5ae94b9287c3f5b0da5137/s7/book/testdata/test.db


--------------------------------------------------------------------------------
/s7/book/util/db.go:
--------------------------------------------------------------------------------
 1 | package util
 2 | 
 3 | import (
 4 | 	"database/sql"
 5 | 	"testing"
 6 | 
 7 | 	_ "github.com/mattn/go-sqlite3"
 8 | 	"github.com/stretchr/testify/assert"
 9 | )
10 | 
11 | func CreateTestDB(t *testing.T) *sql.DB {
12 | 	db, err := sql.Open("sqlite3", "file:../testdata/test.db?cache=shared")
13 | 	assert.NoError(t, err)
14 | 
15 | 	db.Exec(`
16 | 	CREATE TABLE IF NOT EXISTS books (
17 | 		Id INTEGER PRIMARY KEY AUTOINCREMENT,
18 | 		title TEXT,
19 | 		isbn TEXT,
20 | 		subject TEXT,
21 | 		author_id INTEGER
22 | 	 );
23 | 	 DELETE FROM books;
24 | 	`)
25 | 
26 | 	return db
27 | }
28 | 


--------------------------------------------------------------------------------
/s7/book/util/db_test.go:
--------------------------------------------------------------------------------
 1 | package util
 2 | 
 3 | import (
 4 | 	"testing"
 5 | 
 6 | 	_ "github.com/mattn/go-sqlite3"
 7 | 	"github.com/stretchr/testify/assert"
 8 | )
 9 | 
10 | func TestCreateTestDB(t *testing.T) {
11 | 	db := CreateTestDB(t)
12 | 	defer db.Close()
13 | 
14 | 	_, err := db.Exec("DELETE FROM tor_list")
15 | 	assert.NoError(t, err)
16 | }
17 | 


--------------------------------------------------------------------------------
/s8/benchmark_hash_test.go:
--------------------------------------------------------------------------------
  1 | package s8
  2 | 
  3 | import (
  4 | 	"crypto/md5"
  5 | 	"crypto/rand"
  6 | 	"crypto/sha1"
  7 | 	"crypto/sha256"
  8 | 	"crypto/sha512"
  9 | 	"encoding/hex"
 10 | 	"fmt"
 11 | 	"hash/crc32"
 12 | 	"hash/fnv"
 13 | 	_ "runtime"
 14 | 	"testing"
 15 | 	"unsafe"
 16 | 
 17 | 	xxhashasm "github.com/cespare/xxhash"
 18 | 	"github.com/creachadair/cityhash"
 19 | 	afarmhash "github.com/dgryski/go-farm"
 20 | 	farmhash "github.com/leemcloughlin/gofarmhash"
 21 | 	"github.com/minio/highwayhash"
 22 | 	"github.com/pierrec/xxHash/xxHash64"
 23 | 	"github.com/spaolacci/murmur3"
 24 | )
 25 | 
 26 | var n int64
 27 | var testBytes []byte
 28 | 
 29 | func BenchmarkHash(b *testing.B) {
 30 | 	sizes := []int64{32, 64, 128, 256, 512, 1024}
 31 | 	for _, n = range sizes {
 32 | 		testBytes = make([]byte, n)
 33 | 		readN, err := rand.Read(testBytes)
 34 | 		if readN != int(n) {
 35 | 			panic(fmt.Sprintf("expect %d but got %d", n, readN))
 36 | 		}
 37 | 		if err != nil {
 38 | 			panic(err)
 39 | 		}
 40 | 
 41 | 		b.Run(fmt.Sprintf("Sha1-%d", n), benchmarkSha1)
 42 | 		b.Run(fmt.Sprintf("Sha256-%d", n), benchmarkSha256)
 43 | 		b.Run(fmt.Sprintf("Sha512-%d", n), benchmarkSha512)
 44 | 		b.Run(fmt.Sprintf("MD5-%d", n), benchmarkMD5)
 45 | 		b.Run(fmt.Sprintf("Fnv-%d", n), benchmarkFnv)
 46 | 		b.Run(fmt.Sprintf("Crc32-%d", n), benchmarkCrc32)
 47 | 		b.Run(fmt.Sprintf("CityHash-%d", n), benchmarkCityhash)
 48 | 		b.Run(fmt.Sprintf("FarmHash-%d", n), benchmarkFarmhash)
 49 | 		b.Run(fmt.Sprintf("Farmhash_dgryski-%d", n), benchmarkFarmhash_dgryski)
 50 | 		b.Run(fmt.Sprintf("Murmur3-%d", n), benchmarkMurmur3)
 51 | 		b.Run(fmt.Sprintf("Highwayhash-%d", n), benchmarkHighwayhash)
 52 | 		b.Run(fmt.Sprintf("XXHash64-%d", n), benchmarkXXHash64)
 53 | 		b.Run(fmt.Sprintf("XXHash64_ASM-%d", n), benchmarkXXHash64_ASM)
 54 | 		b.Run(fmt.Sprintf("MapHash64-%d", n), benchmarkMapHash64)
 55 | 		fmt.Println()
 56 | 	}
 57 | 
 58 | }
 59 | 
 60 | func benchmarkSha1(b *testing.B) {
 61 | 	x := sha1.New()
 62 | 
 63 | 	b.SetBytes(n)
 64 | 	b.ResetTimer()
 65 | 
 66 | 	for i := 0; i < b.N; i++ {
 67 | 		x.Reset()
 68 | 		x.Write(testBytes)
 69 | 		_ = x.Sum(nil)
 70 | 	}
 71 | }
 72 | func benchmarkSha256(b *testing.B) {
 73 | 	x := sha256.New()
 74 | 	b.SetBytes(n)
 75 | 	b.ResetTimer()
 76 | 
 77 | 	for i := 0; i < b.N; i++ {
 78 | 		x.Reset()
 79 | 		x.Write(testBytes)
 80 | 		_ = x.Sum(nil)
 81 | 	}
 82 | }
 83 | 
 84 | func benchmarkSha512(b *testing.B) {
 85 | 	x := sha512.New()
 86 | 	b.SetBytes(n)
 87 | 	b.ResetTimer()
 88 | 
 89 | 	for i := 0; i < b.N; i++ {
 90 | 		x.Reset()
 91 | 		x.Write(testBytes)
 92 | 		_ = x.Sum(nil)
 93 | 	}
 94 | }
 95 | 
 96 | func benchmarkMD5(b *testing.B) {
 97 | 	x := md5.New()
 98 | 	b.SetBytes(n)
 99 | 	b.ResetTimer()
100 | 
101 | 	for i := 0; i < b.N; i++ {
102 | 		x.Reset()
103 | 		x.Write(testBytes)
104 | 		_ = x.Sum(nil)
105 | 	}
106 | }
107 | 
108 | func benchmarkCrc32(b *testing.B) {
109 | 	x := crc32.NewIEEE()
110 | 	b.SetBytes(n)
111 | 	b.ResetTimer()
112 | 
113 | 	for i := 0; i < b.N; i++ {
114 | 		x.Reset()
115 | 		x.Write(testBytes)
116 | 		_ = x.Sum32()
117 | 	}
118 | }
119 | 
120 | func benchmarkFnv(b *testing.B) {
121 | 	x := fnv.New64()
122 | 	b.SetBytes(n)
123 | 	b.ResetTimer()
124 | 
125 | 	for i := 0; i < b.N; i++ {
126 | 		x.Reset()
127 | 		x.Write(testBytes)
128 | 		_ = x.Sum64()
129 | 	}
130 | }
131 | 
132 | func benchmarkCityhash(b *testing.B) {
133 | 	b.SetBytes(n)
134 | 	b.ResetTimer()
135 | 
136 | 	for i := 0; i < b.N; i++ {
137 | 		_ = cityhash.Hash64WithSeed(testBytes, 0xCAFE)
138 | 	}
139 | }
140 | 
141 | func benchmarkFarmhash(b *testing.B) {
142 | 	b.SetBytes(n)
143 | 	b.ResetTimer()
144 | 
145 | 	for i := 0; i < b.N; i++ {
146 | 		_ = farmhash.Hash64WithSeed(testBytes, 0xCAFE)
147 | 	}
148 | }
149 | 
150 | func benchmarkFarmhash_dgryski(b *testing.B) {
151 | 	b.SetBytes(n)
152 | 	b.ResetTimer()
153 | 
154 | 	for i := 0; i < b.N; i++ {
155 | 		_ = afarmhash.Hash64WithSeed(testBytes, 0xCAFE)
156 | 	}
157 | }
158 | 
159 | func benchmarkMurmur3(b *testing.B) {
160 | 	x := murmur3.New64()
161 | 	b.SetBytes(n)
162 | 	b.ResetTimer()
163 | 
164 | 	for i := 0; i < b.N; i++ {
165 | 		x.Reset()
166 | 		x.Write(testBytes)
167 | 		_ = x.Sum64()
168 | 	}
169 | }
170 | func benchmarkHighwayhash(b *testing.B) {
171 | 	key, _ := hex.DecodeString("000102030405060708090A0B0C0D0E0FF0E0D0C0B0A090807060504030201000") // use your own key here
172 | 	x, _ := highwayhash.New64(key)
173 | 	b.SetBytes(n)
174 | 	b.ResetTimer()
175 | 
176 | 	for i := 0; i < b.N; i++ {
177 | 		x.Reset()
178 | 		x.Write(testBytes)
179 | 		_ = x.Sum64()
180 | 	}
181 | }
182 | 
183 | func benchmarkXXHash64(b *testing.B) {
184 | 	x := xxHash64.New(0xCAFE)
185 | 	b.SetBytes(n)
186 | 	b.ResetTimer()
187 | 
188 | 	for i := 0; i < b.N; i++ {
189 | 		x.Reset()
190 | 		x.Write(testBytes)
191 | 		_ = x.Sum64()
192 | 	}
193 | }
194 | 
195 | func benchmarkXXHash64_ASM(b *testing.B) {
196 | 	x := xxhashasm.New()
197 | 	b.SetBytes(n)
198 | 	b.ResetTimer()
199 | 
200 | 	for i := 0; i < b.N; i++ {
201 | 		x.Reset()
202 | 		x.Write(testBytes)
203 | 		_ = x.Sum64()
204 | 	}
205 | }
206 | 
207 | //go:noescape
208 | //go:linkname memhash runtime.memhash
209 | func memhash(p unsafe.Pointer, h, s uintptr) uintptr
210 | 
211 | type stringStruct struct {
212 | 	str unsafe.Pointer
213 | 	len int
214 | }
215 | 
216 | func MemHash(data []byte) uint64 {
217 | 	ss := (*stringStruct)(unsafe.Pointer(&data))
218 | 	return uint64(memhash(ss.str, 0, uintptr(ss.len)))
219 | }
220 | func benchmarkMapHash64(b *testing.B) {
221 | 	b.SetBytes(n)
222 | 	b.ResetTimer()
223 | 
224 | 	for i := 0; i < b.N; i++ {
225 | 		_ = MemHash(testBytes)
226 | 	}
227 | }
228 | 


--------------------------------------------------------------------------------
/s8/benchmark_parallel_test.go:
--------------------------------------------------------------------------------
 1 | package s8_test
 2 | 
 3 | import (
 4 | 	"crypto/sha256"
 5 | 	"fmt"
 6 | 	"runtime"
 7 | 	"testing"
 8 | )
 9 | 
10 | func init() {
11 | 	fmt.Printf("GOMAXPROCS: %d\n", runtime.GOMAXPROCS(-1))
12 | }
13 | 
14 | func BenchmarkParallelHash(b *testing.B) {
15 | 	testBytes := make([]byte, 1024)
16 | 
17 | 	b.ResetTimer()
18 | 	b.SetParallelism(20)
19 | 	b.RunParallel(func(pb *testing.PB) {
20 | 		x := sha256.New()
21 | 		for pb.Next() {
22 | 			x.Reset()
23 | 			x.Write(testBytes)
24 | 			_ = x.Sum(nil)
25 | 		}
26 | 	})
27 | }
28 | 
29 | func BenchmarkNonParallelHash(b *testing.B) {
30 | 	testBytes := make([]byte, 1024)
31 | 
32 | 	b.ResetTimer()
33 | 	x := sha256.New()
34 | 	for i := 0; i < b.N; i++ {
35 | 		x.Reset()
36 | 		x.Write(testBytes)
37 | 		_ = x.Sum(nil)
38 | 	}
39 | }
40 | 


--------------------------------------------------------------------------------
/s8/benchstat.txt:
--------------------------------------------------------------------------------
1 | name       old time/op    new time/op    delta
2 | Example-8    3.60µs ± 0%    0.17µs ± 1%  -95.29%  (p=0.008 n=5+5)
3 | 
4 | name       old alloc/op   new alloc/op   delta
5 | Example-8     32.0B ± 0%      8.0B ± 0%  -75.00%  (p=0.008 n=5+5)
6 | 
7 | name       old allocs/op  new allocs/op  delta
8 | Example-8      1.00 ± 0%      1.00 ± 0%     ~     (all equal)
9 | 


--------------------------------------------------------------------------------
/s8/benchstat_test.go:
--------------------------------------------------------------------------------
 1 | package s8_test
 2 | 
 3 | import (
 4 | 	"crypto/sha256"
 5 | 	"testing"
 6 | )
 7 | 
 8 | func BenchmarkExample(b *testing.B) {
 9 | 	x := sha256.New()
10 | 	testBytes := make([]byte, 1024)
11 | 
12 | 	b.ResetTimer()
13 | 	for i := 0; i < b.N; i++ {
14 | 		x.Reset()
15 | 		x.Write(testBytes)
16 | 		_ = x.Sum(nil)
17 | 	}
18 | }
19 | 
20 | // func BenchmarkExample(b *testing.B) {
21 | // 	x := maphash.Hash{}
22 | // 	testBytes := make([]byte, 1024)
23 | 
24 | // 	b.ResetTimer()
25 | // 	for i := 0; i < b.N; i++ {
26 | // 		x.Reset()
27 | // 		x.Write(testBytes)
28 | // 		_ = x.Sum(nil)
29 | // 	}
30 | // }
31 | 


--------------------------------------------------------------------------------
/s8/new.txt:
--------------------------------------------------------------------------------
 1 | goos: darwin
 2 | goarch: amd64
 3 | pkg: github.com/smallnest/go_test_workshop/s8
 4 | cpu: VirtualApple @ 2.50GHz
 5 | BenchmarkExample
 6 | BenchmarkExample-8   	 7060740	       169.0 ns/op	       8 B/op	       1 allocs/op
 7 | BenchmarkExample-8   	 7102920	       169.2 ns/op	       8 B/op	       1 allocs/op
 8 | BenchmarkExample-8   	 7144312	       168.8 ns/op	       8 B/op	       1 allocs/op
 9 | BenchmarkExample-8   	 7112400	       170.2 ns/op	       8 B/op	       1 allocs/op
10 | BenchmarkExample-8   	 7047000	       172.0 ns/op	       8 B/op	       1 allocs/op
11 | PASS
12 | ok  	github.com/smallnest/go_test_workshop/s8	9.350s
13 | 


--------------------------------------------------------------------------------
/s8/old.txt:
--------------------------------------------------------------------------------
 1 | goos: darwin
 2 | goarch: amd64
 3 | pkg: github.com/smallnest/go_test_workshop/s8
 4 | cpu: VirtualApple @ 2.50GHz
 5 | BenchmarkExample
 6 | BenchmarkExample-8   	  325957	      3613 ns/op	      32 B/op	       1 allocs/op
 7 | BenchmarkExample-8   	  331371	      3607 ns/op	      32 B/op	       1 allocs/op
 8 | BenchmarkExample-8   	  337330	      3598 ns/op	      32 B/op	       1 allocs/op
 9 | BenchmarkExample-8   	  332886	      3605 ns/op	      32 B/op	       1 allocs/op
10 | BenchmarkExample-8   	  337428	      3593 ns/op	      32 B/op	       1 allocs/op
11 | PASS
12 | ok  	github.com/smallnest/go_test_workshop/s8	6.571s
13 | 


--------------------------------------------------------------------------------
/s9/example_test.go:
--------------------------------------------------------------------------------
  1 | package io_test
  2 | 
  3 | import (
  4 | 	"bytes"
  5 | 	"fmt"
  6 | 	"io"
  7 | 	"log"
  8 | 	"os"
  9 | 	"strings"
 10 | )
 11 | 
 12 | func ExampleCopy() {
 13 | 	r := strings.NewReader("some io.Reader stream to be read\n")
 14 | 
 15 | 	if _, err := io.Copy(os.Stdout, r); err != nil {
 16 | 		log.Fatal(err)
 17 | 	}
 18 | 
 19 | 	// Output:
 20 | 	// some io.Reader stream to be read
 21 | }
 22 | 
 23 | func ExampleCopyBuffer() {
 24 | 	r1 := strings.NewReader("first reader\n")
 25 | 	r2 := strings.NewReader("second reader\n")
 26 | 	buf := make([]byte, 8)
 27 | 
 28 | 	// buf is used here...
 29 | 	if _, err := io.CopyBuffer(os.Stdout, r1, buf); err != nil {
 30 | 		log.Fatal(err)
 31 | 	}
 32 | 
 33 | 	// ... reused here also. No need to allocate an extra buffer.
 34 | 	if _, err := io.CopyBuffer(os.Stdout, r2, buf); err != nil {
 35 | 		log.Fatal(err)
 36 | 	}
 37 | 
 38 | 	// Output:
 39 | 	// first reader
 40 | 	// second reader
 41 | }
 42 | 
 43 | func ExampleCopyN() {
 44 | 	r := strings.NewReader("some io.Reader stream to be read")
 45 | 
 46 | 	if _, err := io.CopyN(os.Stdout, r, 4); err != nil {
 47 | 		log.Fatal(err)
 48 | 	}
 49 | 
 50 | 	// Output:
 51 | 	// some
 52 | }
 53 | 
 54 | func ExampleReadAtLeast() {
 55 | 	r := strings.NewReader("some io.Reader stream to be read\n")
 56 | 
 57 | 	buf := make([]byte, 14)
 58 | 	if _, err := io.ReadAtLeast(r, buf, 4); err != nil {
 59 | 		log.Fatal(err)
 60 | 	}
 61 | 	fmt.Printf("%s\n", buf)
 62 | 
 63 | 	// buffer smaller than minimal read size.
 64 | 	shortBuf := make([]byte, 3)
 65 | 	if _, err := io.ReadAtLeast(r, shortBuf, 4); err != nil {
 66 | 		fmt.Println("error:", err)
 67 | 	}
 68 | 
 69 | 	// minimal read size bigger than io.Reader stream
 70 | 	longBuf := make([]byte, 64)
 71 | 	if _, err := io.ReadAtLeast(r, longBuf, 64); err != nil {
 72 | 		fmt.Println("error:", err)
 73 | 	}
 74 | 
 75 | 	// Output:
 76 | 	// some io.Reader
 77 | 	// error: short buffer
 78 | 	// error: unexpected EOF
 79 | }
 80 | 
 81 | func ExampleReadFull() {
 82 | 	r := strings.NewReader("some io.Reader stream to be read\n")
 83 | 
 84 | 	buf := make([]byte, 4)
 85 | 	if _, err := io.ReadFull(r, buf); err != nil {
 86 | 		log.Fatal(err)
 87 | 	}
 88 | 	fmt.Printf("%s\n", buf)
 89 | 
 90 | 	// minimal read size bigger than io.Reader stream
 91 | 	longBuf := make([]byte, 64)
 92 | 	if _, err := io.ReadFull(r, longBuf); err != nil {
 93 | 		fmt.Println("error:", err)
 94 | 	}
 95 | 
 96 | 	// Output:
 97 | 	// some
 98 | 	// error: unexpected EOF
 99 | }
100 | 
101 | func ExampleWriteString() {
102 | 	if _, err := io.WriteString(os.Stdout, "Hello World"); err != nil {
103 | 		log.Fatal(err)
104 | 	}
105 | 
106 | 	// Output: Hello World
107 | }
108 | 
109 | func ExampleLimitReader() {
110 | 	r := strings.NewReader("some io.Reader stream to be read\n")
111 | 	lr := io.LimitReader(r, 4)
112 | 
113 | 	if _, err := io.Copy(os.Stdout, lr); err != nil {
114 | 		log.Fatal(err)
115 | 	}
116 | 
117 | 	// Output:
118 | 	// some
119 | }
120 | 
121 | func ExampleMultiReader() {
122 | 	r1 := strings.NewReader("first reader ")
123 | 	r2 := strings.NewReader("second reader ")
124 | 	r3 := strings.NewReader("third reader\n")
125 | 	r := io.MultiReader(r1, r2, r3)
126 | 
127 | 	if _, err := io.Copy(os.Stdout, r); err != nil {
128 | 		log.Fatal(err)
129 | 	}
130 | 
131 | 	// Output:
132 | 	// first reader second reader third reader
133 | }
134 | 
135 | func ExampleTeeReader() {
136 | 	var r io.Reader = strings.NewReader("some io.Reader stream to be read\n")
137 | 
138 | 	r = io.TeeReader(r, os.Stdout)
139 | 
140 | 	// Everything read from r will be copied to stdout.
141 | 	if _, err := io.ReadAll(r); err != nil {
142 | 		log.Fatal(err)
143 | 	}
144 | 
145 | 	// Output:
146 | 	// some io.Reader stream to be read
147 | }
148 | 
149 | func ExampleSectionReader() {
150 | 	r := strings.NewReader("some io.Reader stream to be read\n")
151 | 	s := io.NewSectionReader(r, 5, 17)
152 | 
153 | 	if _, err := io.Copy(os.Stdout, s); err != nil {
154 | 		log.Fatal(err)
155 | 	}
156 | 
157 | 	// Output:
158 | 	// io.Reader stream
159 | }
160 | 
161 | func ExampleSectionReader_Read() {
162 | 	r := strings.NewReader("some io.Reader stream to be read\n")
163 | 	s := io.NewSectionReader(r, 5, 17)
164 | 
165 | 	buf := make([]byte, 9)
166 | 	if _, err := s.Read(buf); err != nil {
167 | 		log.Fatal(err)
168 | 	}
169 | 
170 | 	fmt.Printf("%s\n", buf)
171 | 
172 | 	// Output:
173 | 	// io.Reader
174 | }
175 | 
176 | func ExampleSectionReader_ReadAt() {
177 | 	r := strings.NewReader("some io.Reader stream to be read\n")
178 | 	s := io.NewSectionReader(r, 5, 17)
179 | 
180 | 	buf := make([]byte, 6)
181 | 	if _, err := s.ReadAt(buf, 10); err != nil {
182 | 		log.Fatal(err)
183 | 	}
184 | 
185 | 	fmt.Printf("%s\n", buf)
186 | 
187 | 	// Output:
188 | 	// stream
189 | }
190 | 
191 | func ExampleSectionReader_Seek() {
192 | 	r := strings.NewReader("some io.Reader stream to be read\n")
193 | 	s := io.NewSectionReader(r, 5, 17)
194 | 
195 | 	if _, err := s.Seek(10, io.SeekStart); err != nil {
196 | 		log.Fatal(err)
197 | 	}
198 | 
199 | 	if _, err := io.Copy(os.Stdout, s); err != nil {
200 | 		log.Fatal(err)
201 | 	}
202 | 
203 | 	// Output:
204 | 	// stream
205 | }
206 | 
207 | func ExampleSectionReader_Size() {
208 | 	r := strings.NewReader("some io.Reader stream to be read\n")
209 | 	s := io.NewSectionReader(r, 5, 17)
210 | 
211 | 	fmt.Println(s.Size())
212 | 
213 | 	// Output:
214 | 	// 17
215 | }
216 | 
217 | func ExampleSeeker_Seek() {
218 | 	r := strings.NewReader("some io.Reader stream to be read\n")
219 | 
220 | 	r.Seek(5, io.SeekStart) // move to the 5th char from the start
221 | 	if _, err := io.Copy(os.Stdout, r); err != nil {
222 | 		log.Fatal(err)
223 | 	}
224 | 
225 | 	r.Seek(-5, io.SeekEnd)
226 | 	if _, err := io.Copy(os.Stdout, r); err != nil {
227 | 		log.Fatal(err)
228 | 	}
229 | 
230 | 	// Output:
231 | 	// io.Reader stream to be read
232 | 	// read
233 | }
234 | 
235 | func ExampleMultiWriter() {
236 | 	r := strings.NewReader("some io.Reader stream to be read\n")
237 | 
238 | 	var buf1, buf2 bytes.Buffer
239 | 	w := io.MultiWriter(&buf1, &buf2)
240 | 
241 | 	if _, err := io.Copy(w, r); err != nil {
242 | 		log.Fatal(err)
243 | 	}
244 | 
245 | 	fmt.Print(buf1.String())
246 | 	fmt.Print(buf2.String())
247 | 
248 | 	// Output:
249 | 	// some io.Reader stream to be read
250 | 	// some io.Reader stream to be read
251 | }
252 | 
253 | func ExamplePipe() {
254 | 	r, w := io.Pipe()
255 | 
256 | 	go func() {
257 | 		fmt.Fprint(w, "some io.Reader stream to be read\n")
258 | 		w.Close()
259 | 	}()
260 | 
261 | 	if _, err := io.Copy(os.Stdout, r); err != nil {
262 | 		log.Fatal(err)
263 | 	}
264 | 
265 | 	// Output:
266 | 	// some io.Reader stream to be read
267 | }
268 | 
269 | func ExampleReadAll() {
270 | 	r := strings.NewReader("Go is a general-purpose language designed with systems programming in mind.")
271 | 
272 | 	b, err := io.ReadAll(r)
273 | 	if err != nil {
274 | 		log.Fatal(err)
275 | 	}
276 | 
277 | 	fmt.Printf("%s", b)
278 | 
279 | 	// Output:
280 | 	// Go is a general-purpose language designed with systems programming in mind.
281 | }
282 | 


--------------------------------------------------------------------------------