├── .gitignore ├── README.md ├── build.gradle.kts ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle.kts └── src ├── main ├── kotlin │ ├── com │ │ └── kcchatapp │ │ │ ├── Application.kt │ │ │ ├── Connection.kt │ │ │ ├── chat │ │ │ └── Chat.kt │ │ │ └── plugins │ │ │ ├── Routing.kt │ │ │ └── Sockets.kt │ └── model │ │ └── ChatEvent.kt └── resources │ └── logback.xml └── test └── kotlin └── com └── kcchatapp ├── ChatApplicationTest.kt └── EndpointTest.kt /.gitignore: -------------------------------------------------------------------------------- 1 | .gradle 2 | build/ 3 | !gradle/wrapper/gradle-wrapper.jar 4 | !**/src/main/**/build/ 5 | !**/src/test/**/build/ 6 | 7 | ### STS ### 8 | .apt_generated 9 | .classpath 10 | .factorypath 11 | .project 12 | .settings 13 | .springBeans 14 | .sts4-cache 15 | bin/ 16 | !**/src/main/**/bin/ 17 | !**/src/test/**/bin/ 18 | 19 | ### IntelliJ IDEA ### 20 | .idea 21 | *.iws 22 | *.iml 23 | *.ipr 24 | out/ 25 | !**/src/main/**/out/ 26 | !**/src/test/**/out/ 27 | 28 | ### NetBeans ### 29 | /nbproject/private/ 30 | /nbbuild/ 31 | /dist/ 32 | /nbdist/ 33 | /.nb-gradle/ 34 | 35 | ### VS Code ### 36 | .vscode/ -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # KCChatAppServer 2 | 3 | This is a demo project for the [KotlinX Libraries](https://www.youtube.com/watch?v=lzLNmMXfmfo&list=PLlFc5cFwUnmwcJ7ZXyMmS70A9QFyUu1HI&index=67) presentation at KotlinConf'23 4 | 5 | The server application is implemented using with [Ktor](https://ktor.io) framework. 6 | The [client application](https://github.com/svtk/KCChatApp) is implemented using Compose Multiplatform for Desktop (JVM), Android, and iOS targets. 7 | 8 | -------------------------------------------------------------------------------- /build.gradle.kts: -------------------------------------------------------------------------------- 1 | import kotlinx.kover.api.DefaultIntellijEngine 2 | import kotlinx.kover.api.DefaultJacocoEngine 3 | 4 | val ktor_version: String by project // = 2.2.4 5 | val kotlin_version: String by project // = "1.8.0" 6 | val logback_version: String by project // = "1.2.11" 7 | val datetime_version: String by project // = "0.4.0" 8 | val exposed_version: String by project 9 | val h2_version: String by project 10 | val hikaricp_version: String by project 11 | 12 | 13 | plugins { 14 | kotlin("jvm") version "1.8.10" 15 | id("io.ktor.plugin") version "2.2.4" 16 | kotlin("plugin.serialization") version "1.8.10" 17 | id("org.jetbrains.kotlinx.kover") version "0.6.1" 18 | 19 | } 20 | 21 | group = "com.kcchatapp" 22 | version = "0.0.1" 23 | application { 24 | mainClass.set("com.example.ApplicationKt") 25 | 26 | val isDevelopment: Boolean = project.ext.has("development") 27 | applicationDefaultJvmArgs = listOf("-Dio.ktor.development=$isDevelopment") 28 | } 29 | 30 | repositories { 31 | mavenCentral() 32 | } 33 | 34 | dependencies { 35 | implementation("io.ktor:ktor-server-core") 36 | implementation("io.ktor:ktor-server-content-negotiation") 37 | implementation("io.ktor:ktor-serialization-kotlinx-json") 38 | implementation("io.ktor:ktor-server-websockets") 39 | implementation("io.ktor:ktor-server-netty") 40 | implementation("ch.qos.logback:logback-classic:$logback_version") 41 | implementation("org.jetbrains.kotlinx:kotlinx-datetime:$datetime_version") 42 | implementation("io.ktor:ktor-client-encoding:2.2.4") 43 | testImplementation("io.ktor:ktor-server-tests") 44 | testImplementation("org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version") 45 | testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.9.0") 46 | testImplementation("org.junit.jupiter:junit-jupiter-api:5.9.0") 47 | testImplementation("org.assertj:assertj-core:3.22.0") 48 | testImplementation("org.awaitility:awaitility:4.1.1") 49 | 50 | testImplementation("io.ktor:ktor-server-test-host") 51 | testImplementation("io.ktor:ktor-client-websockets") 52 | implementation("io.ktor:ktor-client-content-negotiation") 53 | } 54 | 55 | kover { 56 | engine.set(DefaultIntellijEngine) 57 | // engine.set(DefaultJacocoEngine) 58 | 59 | verify { 60 | rule { 61 | name = "Minimal line coverage rate in percents" 62 | bound { 63 | minValue = 5 64 | } 65 | } 66 | } 67 | 68 | filters { 69 | classes { 70 | includes += listOf("com.kcchatapp.*") 71 | excludes += listOf("com.kcchatapp.db.*") 72 | } 73 | } 74 | } 75 | 76 | tasks.test { 77 | useJUnitPlatform() 78 | } 79 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | ktor_version=2.2.4 2 | kotlin_version=1.8.10 3 | logback_version=1.2.11 4 | datetime_version=0.4.0 5 | h2_version=2.1.214 6 | hikaricp_version=5.0.0 7 | exposed_version=0.41.1 8 | kotlin.code.style=official 9 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/svtk/KCChatAppServer/67758a670717820244e20fdad5c2e41dfe7d7c85/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # 4 | # Copyright © 2015-2021 the original authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | # 21 | # Gradle start up script for POSIX generated by Gradle. 22 | # 23 | # Important for running: 24 | # 25 | # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is 26 | # noncompliant, but you have some other compliant shell such as ksh or 27 | # bash, then to run this script, type that shell name before the whole 28 | # command line, like: 29 | # 30 | # ksh Gradle 31 | # 32 | # Busybox and similar reduced shells will NOT work, because this script 33 | # requires all of these POSIX shell features: 34 | # * functions; 35 | # * expansions «$var», «${var}», «${var:-default}», «${var+SET}», 36 | # «${var#prefix}», «${var%suffix}», and «$( cmd )»; 37 | # * compound commands having a testable exit status, especially «case»; 38 | # * various built-in commands including «command», «set», and «ulimit». 39 | # 40 | # Important for patching: 41 | # 42 | # (2) This script targets any POSIX shell, so it avoids extensions provided 43 | # by Bash, Ksh, etc; in particular arrays are avoided. 44 | # 45 | # The "traditional" practice of packing multiple parameters into a 46 | # space-separated string is a well documented source of bugs and security 47 | # problems, so this is (mostly) avoided, by progressively accumulating 48 | # options in "$@", and eventually passing that to Java. 49 | # 50 | # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, 51 | # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; 52 | # see the in-line comments for details. 53 | # 54 | # There are tweaks for specific operating systems such as AIX, CygWin, 55 | # Darwin, MinGW, and NonStop. 56 | # 57 | # (3) This script is generated from the Groovy template 58 | # https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt 59 | # within the Gradle project. 60 | # 61 | # You can find Gradle at https://github.com/gradle/gradle/. 62 | # 63 | ############################################################################## 64 | 65 | # Attempt to set APP_HOME 66 | 67 | # Resolve links: $0 may be a link 68 | app_path=$0 69 | 70 | # Need this for daisy-chained symlinks. 71 | while 72 | APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path 73 | [ -h "$app_path" ] 74 | do 75 | ls=$( ls -ld "$app_path" ) 76 | link=${ls#*' -> '} 77 | case $link in #( 78 | /*) app_path=$link ;; #( 79 | *) app_path=$APP_HOME$link ;; 80 | esac 81 | done 82 | 83 | APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit 84 | 85 | APP_NAME="Gradle" 86 | APP_BASE_NAME=${0##*/} 87 | 88 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 89 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 90 | 91 | # Use the maximum available, or set MAX_FD != -1 to use that value. 92 | MAX_FD=maximum 93 | 94 | warn () { 95 | echo "$*" 96 | } >&2 97 | 98 | die () { 99 | echo 100 | echo "$*" 101 | echo 102 | exit 1 103 | } >&2 104 | 105 | # OS specific support (must be 'true' or 'false'). 106 | cygwin=false 107 | msys=false 108 | darwin=false 109 | nonstop=false 110 | case "$( uname )" in #( 111 | CYGWIN* ) cygwin=true ;; #( 112 | Darwin* ) darwin=true ;; #( 113 | MSYS* | MINGW* ) msys=true ;; #( 114 | NONSTOP* ) nonstop=true ;; 115 | esac 116 | 117 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 118 | 119 | 120 | # Determine the Java command to use to start the JVM. 121 | if [ -n "$JAVA_HOME" ] ; then 122 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 123 | # IBM's JDK on AIX uses strange locations for the executables 124 | JAVACMD=$JAVA_HOME/jre/sh/java 125 | else 126 | JAVACMD=$JAVA_HOME/bin/java 127 | fi 128 | if [ ! -x "$JAVACMD" ] ; then 129 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 130 | 131 | Please set the JAVA_HOME variable in your environment to match the 132 | location of your Java installation." 133 | fi 134 | else 135 | JAVACMD=java 136 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 137 | 138 | Please set the JAVA_HOME variable in your environment to match the 139 | location of your Java installation." 140 | fi 141 | 142 | # Increase the maximum file descriptors if we can. 143 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 144 | case $MAX_FD in #( 145 | max*) 146 | MAX_FD=$( ulimit -H -n ) || 147 | warn "Could not query maximum file descriptor limit" 148 | esac 149 | case $MAX_FD in #( 150 | '' | soft) :;; #( 151 | *) 152 | ulimit -n "$MAX_FD" || 153 | warn "Could not set maximum file descriptor limit to $MAX_FD" 154 | esac 155 | fi 156 | 157 | # Collect all arguments for the java command, stacking in reverse order: 158 | # * args from the command line 159 | # * the main class name 160 | # * -classpath 161 | # * -D...appname settings 162 | # * --module-path (only if needed) 163 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 164 | 165 | # For Cygwin or MSYS, switch paths to Windows format before running java 166 | if "$cygwin" || "$msys" ; then 167 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 168 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 169 | 170 | JAVACMD=$( cygpath --unix "$JAVACMD" ) 171 | 172 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 173 | for arg do 174 | if 175 | case $arg in #( 176 | -*) false ;; # don't mess with options #( 177 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 178 | [ -e "$t" ] ;; #( 179 | *) false ;; 180 | esac 181 | then 182 | arg=$( cygpath --path --ignore --mixed "$arg" ) 183 | fi 184 | # Roll the args list around exactly as many times as the number of 185 | # args, so each arg winds up back in the position where it started, but 186 | # possibly modified. 187 | # 188 | # NB: a `for` loop captures its iteration list before it begins, so 189 | # changing the positional parameters here affects neither the number of 190 | # iterations, nor the values presented in `arg`. 191 | shift # remove old arg 192 | set -- "$@" "$arg" # push replacement arg 193 | done 194 | fi 195 | 196 | # Collect all arguments for the java command; 197 | # * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of 198 | # shell script including quotes and variable substitutions, so put them in 199 | # double quotes to make sure that they get re-expanded; and 200 | # * put everything else in single quotes, so that it's not re-expanded. 201 | 202 | set -- \ 203 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ 204 | -classpath "$CLASSPATH" \ 205 | org.gradle.wrapper.GradleWrapperMain \ 206 | "$@" 207 | 208 | # Use "xargs" to parse quoted args. 209 | # 210 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. 211 | # 212 | # In Bash we could simply go: 213 | # 214 | # readarray ARGS < <( xargs -n1 <<<"$var" ) && 215 | # set -- "${ARGS[@]}" "$@" 216 | # 217 | # but POSIX shell has neither arrays nor command substitution, so instead we 218 | # post-process each arg (as a line of input to sed) to backslash-escape any 219 | # character that might be a shell metacharacter, then use eval to reverse 220 | # that process (while maintaining the separation between arguments), and wrap 221 | # the whole thing up as a single "set" statement. 222 | # 223 | # This will of course break if any of these variables contains a newline or 224 | # an unmatched quote. 225 | # 226 | 227 | eval "set -- $( 228 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 229 | xargs -n1 | 230 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 231 | tr '\n' ' ' 232 | )" '"$@"' 233 | 234 | exec "$JAVACMD" "$@" 235 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /settings.gradle.kts: -------------------------------------------------------------------------------- 1 | rootProject.name = "KCChatAppServer" -------------------------------------------------------------------------------- /src/main/kotlin/com/kcchatapp/Application.kt: -------------------------------------------------------------------------------- 1 | package com.kcchatapp 2 | 3 | import com.kcchatapp.chat.Chat 4 | import io.ktor.server.application.* 5 | import com.kcchatapp.plugins.* 6 | import io.ktor.server.engine.* 7 | import io.ktor.server.netty.* 8 | 9 | fun main() { 10 | embeddedServer(Netty, port = 9010, host = "0.0.0.0", module = Application::module) 11 | .start(wait = true) 12 | } 13 | 14 | @Suppress("unused") 15 | fun Application.module() { 16 | val chat = Chat(replay = 100) 17 | configureSockets(chat) 18 | configureRouting() 19 | } 20 | -------------------------------------------------------------------------------- /src/main/kotlin/com/kcchatapp/Connection.kt: -------------------------------------------------------------------------------- 1 | package com.kcchatapp 2 | 3 | import io.ktor.server.websocket.* 4 | 5 | class Connection(val session: DefaultWebSocketServerSession) -------------------------------------------------------------------------------- /src/main/kotlin/com/kcchatapp/chat/Chat.kt: -------------------------------------------------------------------------------- 1 | package com.kcchatapp.chat 2 | 3 | import kotlinx.coroutines.flow.MutableSharedFlow 4 | import kotlinx.coroutines.flow.SharedFlow 5 | import model.ChatEvent 6 | 7 | class Chat(replay: Int = 100) { 8 | private val _eventFlow: MutableSharedFlow = MutableSharedFlow(replay = replay) 9 | 10 | val eventFlow: SharedFlow get() = _eventFlow 11 | 12 | suspend fun broadcastEvent(event: ChatEvent) { 13 | _eventFlow.emit(event) 14 | } 15 | } -------------------------------------------------------------------------------- /src/main/kotlin/com/kcchatapp/plugins/Routing.kt: -------------------------------------------------------------------------------- 1 | package com.kcchatapp.plugins 2 | 3 | import io.ktor.server.application.* 4 | import io.ktor.server.response.* 5 | import io.ktor.server.routing.* 6 | 7 | fun Application.configureRouting() { 8 | routing { 9 | get("/") { 10 | call.respondText("Hello, World!") 11 | } 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /src/main/kotlin/com/kcchatapp/plugins/Sockets.kt: -------------------------------------------------------------------------------- 1 | package com.kcchatapp.plugins 2 | 3 | import com.kcchatapp.chat.Chat 4 | import io.ktor.serialization.kotlinx.* 5 | import io.ktor.server.application.* 6 | import io.ktor.server.routing.* 7 | import io.ktor.server.websocket.* 8 | import kotlinx.coroutines.coroutineScope 9 | import kotlinx.coroutines.launch 10 | import kotlinx.serialization.json.Json 11 | import model.ChatEvent 12 | import java.time.Duration 13 | 14 | fun Application.configureSockets(chat: Chat) { 15 | install(WebSockets) { 16 | pingPeriod = Duration.ofSeconds(15) 17 | timeout = Duration.ofSeconds(15) 18 | maxFrameSize = Long.MAX_VALUE 19 | masking = false 20 | contentConverter = KotlinxWebsocketSerializationConverter(Json) 21 | } 22 | 23 | routing { 24 | webSocket("/chat") { 25 | coroutineScope { 26 | launch { 27 | chat.eventFlow.collect { event -> 28 | sendSerialized(event) 29 | } 30 | } 31 | launch { 32 | while (true) { 33 | val event = receiveDeserialized() 34 | chat.broadcastEvent(event) 35 | } 36 | } 37 | } 38 | } 39 | } 40 | } -------------------------------------------------------------------------------- /src/main/kotlin/model/ChatEvent.kt: -------------------------------------------------------------------------------- 1 | package model 2 | 3 | import kotlinx.datetime.Instant 4 | import kotlinx.serialization.Serializable 5 | 6 | @Serializable 7 | sealed interface ChatEvent { 8 | val username: String 9 | val timestamp: Instant 10 | } 11 | 12 | @Serializable 13 | data class MessageEvent( 14 | override val username: String, 15 | val messageText: String, 16 | override val timestamp: Instant, 17 | ): ChatEvent 18 | 19 | @Serializable 20 | data class TypingEvent( 21 | override val username: String, 22 | override val timestamp: Instant, 23 | ): ChatEvent -------------------------------------------------------------------------------- /src/main/resources/logback.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | %d{YYYY-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | -------------------------------------------------------------------------------- /src/test/kotlin/com/kcchatapp/ChatApplicationTest.kt: -------------------------------------------------------------------------------- 1 | package com.kcchatapp 2 | 3 | import com.kcchatapp.chat.Chat 4 | import com.kcchatapp.plugins.configureSockets 5 | import io.ktor.client.plugins.contentnegotiation.* 6 | import io.ktor.client.plugins.websocket.* 7 | import io.ktor.serialization.kotlinx.* 8 | import io.ktor.serialization.kotlinx.json.* 9 | import io.ktor.server.testing.* 10 | import kotlinx.datetime.Clock 11 | import kotlinx.serialization.json.Json 12 | import model.ChatEvent 13 | import model.MessageEvent 14 | import org.assertj.core.api.Assertions.assertThat 15 | import org.junit.jupiter.api.Test 16 | import org.junit.jupiter.api.fail 17 | 18 | 19 | class ChatApplicationTest { 20 | 21 | /** 22 | * This is an integration test that verifies the behaviour of a simple conversation with an empty server. 23 | */ 24 | @Test 25 | fun testSimpleConversation() { 26 | testApplication { 27 | application { 28 | configureSockets(Chat()) 29 | // assertThat(runBlocking { dao.subscribeToChatEvents() }).isEmpty() 30 | } 31 | 32 | val client = createClient { 33 | install(ContentNegotiation) { 34 | json(Json { 35 | prettyPrint = true 36 | isLenient = true 37 | }) 38 | } 39 | install(WebSockets) { 40 | contentConverter = KotlinxWebsocketSerializationConverter(Json) 41 | } 42 | } 43 | 44 | client.ws("/chat") { 45 | sendSerialized(MessageEvent("Anton", "Hello!", Clock.System.now()) as ChatEvent) 46 | } 47 | 48 | //region await 49 | /*Awaitility.await("all messages were saved to the database") 50 | .atMost(2, TimeUnit.SECONDS) 51 | .until { 52 | runBlocking { 53 | val messages = dao.getChatEvents() 54 | messages.size == 1 55 | } 56 | }*/ 57 | //endregion 58 | 59 | client.ws("/chat") { 60 | val event = receiveDeserialized() 61 | if (event is MessageEvent) { 62 | assertThat(event.username).isEqualTo("Anton") 63 | assertThat(event.messageText).isEqualTo("Hello!") 64 | } else { 65 | fail(Exception("Illegal type of event: ${event::class}")) 66 | } 67 | } 68 | 69 | } 70 | } 71 | } 72 | -------------------------------------------------------------------------------- /src/test/kotlin/com/kcchatapp/EndpointTest.kt: -------------------------------------------------------------------------------- 1 | package com.kcchatapp 2 | 3 | import com.kcchatapp.plugins.configureRouting 4 | import io.ktor.client.request.* 5 | import io.ktor.client.statement.* 6 | import io.ktor.http.* 7 | import io.ktor.server.testing.* 8 | import org.assertj.core.api.Assertions.assertThat 9 | import org.junit.jupiter.api.Test 10 | 11 | 12 | class EndpointTest { 13 | @Test 14 | fun testRoot() = testApplication { 15 | application { 16 | configureRouting() 17 | } 18 | client.get("/").apply { 19 | assertThat(status).isEqualTo(HttpStatusCode.OK) 20 | assertThat(bodyAsText()).isEqualTo("Hello, World!") 21 | } 22 | } 23 | } --------------------------------------------------------------------------------