├── .gitignore
├── .rspec
├── Gemfile
├── README.md
├── lib
    └── string_calculator.rb
├── .semaphore
    └── semaphore.yml
├── Gemfile.lock
└── spec
    └── string_calculator_spec.rb


/.gitignore:
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1 | *.swp
2 | .bundle
3 | 


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/.rspec:
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1 | --format documentation
2 | 


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/Gemfile:
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1 | source "https://rubygems.org"
2 | 
3 | gem "rspec"
4 | 


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/README.md:
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 1 | # rspec-intro
 2 | 
 3 | Source code used in Semaphore's [RSpec
 4 | tutorial](https://semaphoreci.com/community/tutorials/getting-started-with-rspec).
 5 | 
 6 | Here's how you can run it:
 7 | 
 8 | ```
 9 | bundle install --path .bundle
10 | bundle exec rspec
11 | ```
12 | 


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/lib/string_calculator.rb:
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 1 | class StringCalculator
 2 | 
 3 |   def self.add(input)
 4 |     if input.size == 0
 5 |       0
 6 |     else
 7 |       numbers = input.split(",").map { |num| num.to_i }
 8 |       numbers.inject(0) { |sum, number| sum + number.to_i }
 9 |     end
10 |   end
11 | end
12 | 


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/.semaphore/semaphore.yml:
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 1 | version: v1.0
 2 | name: Ruby
 3 | agent:
 4 |   machine:
 5 |     type: e1-standard-2
 6 |     os_image: ubuntu1804
 7 | blocks:
 8 |   - name: RSpec
 9 |     task:
10 |       jobs:
11 |         - name: Run specs
12 |           commands:
13 |             - checkout
14 |             - sem-version ruby 2.6.0
15 |             - bundle install --path vendor/bundle
16 |             - bundle exec rspec
17 | 


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/Gemfile.lock:
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 1 | GEM
 2 |   remote: https://rubygems.org/
 3 |   specs:
 4 |     diff-lcs (1.3)
 5 |     rspec (3.9.0)
 6 |       rspec-core (~> 3.9.0)
 7 |       rspec-expectations (~> 3.9.0)
 8 |       rspec-mocks (~> 3.9.0)
 9 |     rspec-core (3.9.1)
10 |       rspec-support (~> 3.9.1)
11 |     rspec-expectations (3.9.0)
12 |       diff-lcs (>= 1.2.0, < 2.0)
13 |       rspec-support (~> 3.9.0)
14 |     rspec-mocks (3.9.1)
15 |       diff-lcs (>= 1.2.0, < 2.0)
16 |       rspec-support (~> 3.9.0)
17 |     rspec-support (3.9.2)
18 | 
19 | PLATFORMS
20 |   ruby
21 | 
22 | DEPENDENCIES
23 |   rspec
24 | 
25 | BUNDLED WITH
26 |    2.1.4
27 | 


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/spec/string_calculator_spec.rb:
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 1 | require "string_calculator"
 2 | 
 3 | describe StringCalculator do
 4 |   
 5 |   describe ".add" do
 6 |     context "given an empty string" do
 7 |       it "returns zero" do
 8 |         expect(StringCalculator.add("")).to eql(0)
 9 |       end
10 |     end
11 | 
12 |     context "single numbers" do
13 |       context "given '4'" do
14 |         it "returns 4" do
15 |           expect(StringCalculator.add("4")).to eql(4)
16 |         end
17 |       end
18 | 
19 |       context "given '10'" do
20 |         it "returns 10" do
21 |           expect(StringCalculator.add("10")).to eql(10)
22 |         end
23 |       end
24 |     end
25 | 
26 |     context "two numbers" do
27 |       context "given '2,4'" do
28 |         it "returns 6" do
29 |           expect(StringCalculator.add("2,4")).to eql(6)
30 |         end
31 |       end
32 | 
33 |       context "given '17,100'" do
34 |         it "returns 117" do
35 |           expect(StringCalculator.add("17,100")).to eql(117)
36 |         end
37 |       end
38 |     end
39 |   end
40 | end
41 | 


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