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How to use concurrentHashMap method of io.kotest.common.concurrentHashMap class

Best Kotest code snippet using io.kotest.common.concurrentHashMap.concurrentHashMap

InstancePerTestSpecRunner.kt

Source:InstancePerTestSpecRunner.kt

1package io.kotest.engine.spec.runners2import io.kotest.common.ExperimentalKotest3import io.kotest.common.flatMap4import io.kotest.core.concurrency.CoroutineDispatcherFactory5import io.kotest.core.config.ProjectConfiguration6import io.kotest.core.spec.Spec7import io.kotest.core.test.NestedTest8import io.kotest.core.test.TestCase9import io.kotest.core.test.TestResult10import io.kotest.core.test.TestScope11import io.kotest.core.test.TestType12import io.kotest.engine.listener.TestEngineListener13import io.kotest.engine.spec.Materializer14import io.kotest.engine.spec.SpecExtensions15import io.kotest.engine.spec.SpecRunner16import io.kotest.engine.test.TestCaseExecutionListener17import io.kotest.engine.test.TestCaseExecutor18import io.kotest.engine.test.scheduler.TestScheduler19import io.kotest.engine.test.scopes.DuplicateNameHandlingTestScope20import io.kotest.mpp.log21import kotlinx.coroutines.coroutineScope22import java.util.concurrent.ConcurrentHashMap23import kotlin.coroutines.CoroutineContext24/**25 * Implementation of [SpecRunner] that executes each [TestCase] in a fresh instance26 * of the [Spec] class.27 *28 * This differs from the [InstancePerLeafSpecRunner] in that29 * every single test, whether of type [TestType.Test] or [TestType.Container], will be30 * executed separately. Branch tests will ultimately be executed once as a standalone31 * test, and also as part of the "path" to any nested tests.32 *33 * So, given the following structure:34 *35 *  outerTest {36 *    innerTestA {37 *      // test38 *    }39 *    innerTestB {40 *      // test41 *    }42 *  }43 *44 * Three spec instances will be created. The execution process will be:45 *46 * spec1 = instantiate spec47 * spec1.outerTest48 * spec2 = instantiate spec49 * spec2.outerTest50 * spec2.innerTestA51 * spec3 = instantiate spec52 * spec3.outerTest53 * spec3.innerTestB54 */55@ExperimentalKotest56internal class InstancePerTestSpecRunner(57   listener: TestEngineListener,58   schedule: TestScheduler,59   private val defaultCoroutineDispatcherFactory: CoroutineDispatcherFactory,60   private val configuration: ProjectConfiguration,61) : SpecRunner(listener, schedule, configuration) {62   private val extensions = SpecExtensions(configuration.registry)63   private val results = ConcurrentHashMap<TestCase, TestResult>()64   /**65    * The intention of this runner is that each [TestCase] executes in its own instance66    * of the containing [Spec] class. Therefore, when we begin executing a test case from67    * the queue, we must first instantiate a new spec, and begin execution on _that_ instance.68    *69    * As test lambdas are executed, nested test cases will be registered, these should be ignored70    * if they are not an ancestor of the target. If they are then we can step into them, and71    * continue recursively until we find the target.72    *73    * Once the target is found it can be executed as normal, and any test lambdas it contains74    * can be registered back with the stack for execution later.75    */76   override suspend fun execute(spec: Spec): Result<Map<TestCase, TestResult>> =77      runCatching {78         launch(spec) {79            executeInCleanSpec(it)80               .getOrThrow()81         }82         results83      }84   /**85    * The intention of this runner is that each [TestCase] executes in its own instance86    * of the containing [Spec] class. Therefore, when we begin executing a test case from87    * the queue, we must first instantiate a new spec, and begin execution on _that_ instance.88    *89    * As test lambdas are executed, nested test cases will be registered, these should be ignored90    * if they are not an ancestor of the target. If they are then we can step into them, and91    * continue recursively until we find the target.92    *93    * Once the target is found it can be executed as normal, and any test lambdas it contains94    * can be registered back with the stack for execution later.95    */96   private suspend fun executeInCleanSpec(test: TestCase): Result<Spec> {97      return createInstance(test.spec::class)98         .flatMap { spec ->99            runCatching {100               extensions.intercept(spec) {101                  extensions.beforeSpec(spec)102                     .flatMap { run(it, test) }103                     .flatMap { extensions.afterSpec(it) }104               }105            }.map { spec }106         }107   }108   private suspend fun run(spec: Spec, test: TestCase): Result<Spec> = kotlin.runCatching {109      log { "Created new spec instance $spec" }110      // we need to find the same root test but in the newly created spec111      val root = materializer.materialize(spec).first { it.descriptor.isOnPath(test.descriptor) }112      log { "Starting root test ${root.descriptor} in search of ${test.descriptor}" }113      run(root, test)114      spec115   }116   private suspend fun run(test: TestCase, target: TestCase) {117      val isTarget = test.descriptor == target.descriptor118      coroutineScope {119         val context = object : TestScope {120            override val testCase: TestCase = test121            override val coroutineContext: CoroutineContext = this@coroutineScope.coroutineContext122            override suspend fun registerTestCase(nested: NestedTest) {123               val t = Materializer(configuration).materialize(nested, testCase)124               // if we are currently executing the target, then any registered tests are new, and we125               // should begin execution of them in fresh specs126               // otherwise if the test is on the path we can continue in the same spec127               if (isTarget) {128                  executeInCleanSpec(t).getOrThrow()129               } else if (t.descriptor.isOnPath(target.descriptor)) {130                  run(t, target)131               }132            }133         }134         val context2 = DuplicateNameHandlingTestScope(configuration.duplicateTestNameMode, context)135         val testExecutor = TestCaseExecutor(136            object : TestCaseExecutionListener {137               override suspend fun testStarted(testCase: TestCase) {138                  if (isTarget) listener.testStarted(testCase)139               }140               override suspend fun testIgnored(testCase: TestCase, reason: String?) {141                  if (isTarget) listener.testIgnored(testCase, reason)142               }143               override suspend fun testFinished(testCase: TestCase, result: TestResult) {144                  if (isTarget) listener.testFinished(testCase, result)145               }146            },147            defaultCoroutineDispatcherFactory,148            configuration149         )150         val result = testExecutor.execute(test, context2)151         results[test] = result152      }153   }154}...

AuthRoutesTest.kt

Source:AuthRoutesTest.kt

1package com.ketabs.route2import arrow.core.computations.ResultEffect.bind3import com.auth0.jwt.JWT4import com.ketabs.ObjectMother5import com.ketabs.model.User6import com.ketabs.model.valueobject.ID7import com.ketabs.repository.InMemoryUserRepository8import com.ketabs.testApp9import io.kotest.common.runBlocking10import io.ktor.http.ContentType11import io.ktor.http.HttpHeaders12import io.ktor.http.HttpMethod13import io.ktor.http.HttpStatusCode14import io.ktor.server.testing.handleRequest15import io.ktor.server.testing.setBody16import io.ktor.server.testing.withTestApplication17import kotlinx.serialization.decodeFromString18import kotlinx.serialization.encodeToString19import kotlinx.serialization.json.Json20import org.junit.jupiter.api.DynamicTest21import org.junit.jupiter.api.TestFactory22import java.util.concurrent.ConcurrentHashMap23import kotlin.test.Test24import kotlin.test.assertContains25import kotlin.test.assertEquals26import kotlin.test.assertNull27import kotlin.test.assertTrue28internal class AuthRoutesTest {29    @Test30    fun `user must register`() {31        val (user, plainPassword) = ObjectMother.randomUserAndPlainPassword()32        val userRepo = InMemoryUserRepository()33        withTestApplication(testApp(userRepo = userRepo)) {34            with(35                handleRequest(HttpMethod.Post, "/auth/register") {36                    setBody(37                        Json.encodeToString(38                            mapOf(39                                "email" to user.email.value,40                                "password" to plainPassword.value,41                                "full_name" to user.fullName.value42                            )43                        )44                    )45                    addHeader(HttpHeaders.ContentType, ContentType.Application.Json.toString())46                }47            ) {48                val resData = Json.decodeFromString<Map<String, String>>(response.content ?: "{}")49                assertEquals(HttpStatusCode.Created, response.status())50                assertEquals(user.email.value, resData["email"])51                assertEquals(user.fullName.value, resData["full_name"])52                runBlocking {53                    val found = userRepo.getByID(ID.of(resData["id"] ?: "").bind()).bind()54                    assertEquals(user.email.value, found.email.value)55                    assertEquals(user.fullName.value, found.fullName.value)56                    assertTrue(found.password.matches(plainPassword))57                }58            }59        }60    }61    @Test62    fun `user must log in`() {63        val (user, plainPassword) = ObjectMother.randomUserAndPlainPassword()64        val store = ConcurrentHashMap<ID, User>()65        store[user.id] = user66        val userRepo = InMemoryUserRepository.withStore(store)67        withTestApplication(testApp(userRepo = userRepo)) {68            with(69                handleRequest(HttpMethod.Post, "/auth/login") {70                    setBody(71                        Json.encodeToString(72                            mapOf(73                                "email" to user.email.value,74                                "password" to plainPassword.value,75                            )76                        )77                    )78                    addHeader(HttpHeaders.ContentType, ContentType.Application.Json.toString())79                }80            ) {81                val resData = Json.decodeFromString<Map<String, String>>(response.content ?: "{}")82                assertEquals(HttpStatusCode.OK, response.status())83                assertContains(resData, "token")84                val decodedToken = JWT.decode(resData["token"])85                assertEquals(user.id.value, decodedToken.getClaim("id").asString())86                assertEquals(user.email.value, decodedToken.getClaim("email").asString())87                assertEquals(user.fullName.value, decodedToken.getClaim("full_name").asString())88            }89        }90    }91    @TestFactory92    fun `user must not log in`(): List<DynamicTest> {93        val (registeredUser, registeredUserPlainPassword) = ObjectMother.randomUserAndPlainPassword()94        val (unregisteredUser, unregisteredUserPlainPassword) = ObjectMother.randomUserAndPlainPassword()95        val store = ConcurrentHashMap<ID, User>()96        store[registeredUser.id] = registeredUser97        val userRepo = InMemoryUserRepository.withStore(store)98        return listOf(99            Pair(registeredUser.email.value, registeredUserPlainPassword.value + "hello"),100            Pair(unregisteredUser.email.value, unregisteredUserPlainPassword.value),101        ).map { (email, password) ->102            DynamicTest.dynamicTest("when I try logging in is as `$email` with password `$password` then I must be unauthorized") {103                withTestApplication(testApp(userRepo = userRepo)) {104                    with(105                        handleRequest(HttpMethod.Post, "/auth/login") {106                            setBody(107                                Json.encodeToString(108                                    mapOf(109                                        "email" to email, "password" to password110                                    )111                                )112                            )113                            addHeader(HttpHeaders.ContentType, ContentType.Application.Json.toString())114                        }115                    ) {116                        assertNull(response.content)117                        assertEquals(HttpStatusCode.Unauthorized, response.status())118                    }119                }120            }121        }122    }123}...

SingleInstanceSpecRunner.kt

Source:SingleInstanceSpecRunner.kt

1package io.kotest.engine.spec.runners2import io.kotest.common.ExperimentalKotest3import io.kotest.common.flatMap4import io.kotest.core.concurrency.CoroutineDispatcherFactory5import io.kotest.core.config.ProjectConfiguration6import io.kotest.core.spec.Spec7import io.kotest.core.test.NestedTest8import io.kotest.core.test.TestCase9import io.kotest.core.test.TestResult10import io.kotest.core.test.TestScope11import io.kotest.engine.listener.TestEngineListener12import io.kotest.engine.spec.Materializer13import io.kotest.engine.spec.SpecExtensions14import io.kotest.engine.spec.SpecRunner15import io.kotest.engine.test.TestCaseExecutor16import io.kotest.engine.test.listener.TestCaseExecutionListenerToTestEngineListenerAdapter17import io.kotest.engine.test.scheduler.TestScheduler18import io.kotest.engine.test.scopes.DuplicateNameHandlingTestScope19import io.kotest.mpp.Logger20import io.kotest.mpp.bestName21import kotlinx.coroutines.coroutineScope22import java.util.concurrent.ConcurrentHashMap23import kotlin.coroutines.CoroutineContext24/**25 * Implementation of [SpecRunner] that executes all tests against the26 * same [Spec] instance. In other words, only a single instance of the spec class27 * is instantiated for all the test cases.28 */29@ExperimentalKotest30internal class SingleInstanceSpecRunner(31   listener: TestEngineListener,32   scheduler: TestScheduler,33   private val defaultCoroutineDispatcherFactory: CoroutineDispatcherFactory,34   private val configuration: ProjectConfiguration,35) : SpecRunner(listener, scheduler, configuration) {36   private val results = ConcurrentHashMap<TestCase, TestResult>()37   private val extensions = SpecExtensions(configuration.registry)38   private val logger = Logger(SingleInstanceSpecRunner::class)39   override suspend fun execute(spec: Spec): Result<Map<TestCase, TestResult>> {40      logger.log { Pair(spec::class.bestName(), "executing spec $spec") }41      suspend fun interceptAndRun(context: CoroutineContext) = runCatching {42         val rootTests = materializer.materialize(spec)43         logger.log { Pair(spec::class.bestName(), "Materialized root tests: ${rootTests.size}") }44         launch(spec) {45            logger.log { Pair(it.name.testName, "Executing test $it") }46            runTest(it, context, null)47         }48      }49      try {50         return coroutineScope {51            extensions.beforeSpec(spec)52               .flatMap { interceptAndRun(coroutineContext) }53               .flatMap { SpecExtensions(configuration.registry).afterSpec(spec) }54               .map { results }55         }56      } catch (e: Exception) {57         e.printStackTrace()58         throw e59      }60   }61   /**62    * A [TestScope] that runs discovered tests as soon as they are registered in the same spec instance.63    *64    * This implementation tracks fail fast if configured via TestCase config or globally.65    */66   inner class SingleInstanceTestScope(67      override val testCase: TestCase,68      override val coroutineContext: CoroutineContext,69      private val parentScope: SingleInstanceTestScope?,70   ) : TestScope {71      // set to true if we failed fast and should ignore further tests72      private var skipRemaining = false73      // in the single instance runner we execute each nested test as soon as they are registered74      override suspend fun registerTestCase(nested: NestedTest) {75         logger.log { Pair(testCase.name.testName, "Nested test case discovered '${nested}") }76         val nestedTestCase = Materializer(configuration).materialize(nested, testCase)77         if (skipRemaining) {78            logger.log { Pair(testCase.name.testName, "Skipping test due to fail fast") }79            listener.testIgnored(nestedTestCase, "Skipping test due to fail fast")80         } else {81            // if running this nested test results in an error, we won't launch anymore nested tests82            val result = runTest(nestedTestCase, coroutineContext, this@SingleInstanceTestScope)83            if (result.isErrorOrFailure) {84               if (testCase.config.failfast || configuration.projectWideFailFast) {85                  logger.log { Pair(testCase.name.testName, "Test failed - setting skipRemaining = true") }86                  skipRemaining = true87                  parentScope?.skipRemaining = true88               }89            }90         }91      }92   }93   private suspend fun runTest(94      testCase: TestCase,95      coroutineContext: CoroutineContext,96      parentScope: SingleInstanceTestScope?,97   ): TestResult {98      val testExecutor = TestCaseExecutor(99         TestCaseExecutionListenerToTestEngineListenerAdapter(listener),100         defaultCoroutineDispatcherFactory,101         configuration,102      )103      val scope = DuplicateNameHandlingTestScope(104         configuration.duplicateTestNameMode,105         SingleInstanceTestScope(testCase, coroutineContext, parentScope)106      )107      val result = testExecutor.execute(testCase, scope)108      results[testCase] = result109      return result110   }111}...

CollectingTestEngineListener.kt

Source:CollectingTestEngineListener.kt

1package io.kotest.engine.listener2import io.kotest.common.concurrentHashMap3import io.kotest.core.descriptors.Descriptor4import io.kotest.core.test.TestCase5import io.kotest.core.test.TestResult6import kotlin.reflect.KClass7class CollectingTestEngineListener : AbstractTestEngineListener() {8   val specs = concurrentHashMap<KClass<*>, TestResult>()9   val tests = concurrentHashMap<TestCase, TestResult>()10   val names = mutableListOf<String>()11   var errors = false12   fun result(descriptor: Descriptor.TestDescriptor): TestResult? = tests.mapKeys { it.key.descriptor }[descriptor]13   fun result(testname: String): TestResult? = tests.mapKeys { it.key.name.testName }[testname]14   override suspend fun specFinished(kclass: KClass<*>, result: TestResult) {15      specs[kclass] = result16      if (result.isErrorOrFailure) errors = true17   }18   override suspend fun testIgnored(testCase: TestCase, reason: String?) {19      tests[testCase] = TestResult.Ignored(reason)20      names.add(testCase.name.testName)21   }22   override suspend fun testFinished(testCase: TestCase, result: TestResult) {23      tests[testCase] = result...

concurrentHashMap.kt

Source:concurrentHashMap.kt

1package io.kotest.common2actual fun <K, V> concurrentHashMap(): MutableMap<K, V> = mutableMapOf()...

collections.kt

Source:collections.kt

1package io.kotest.common2expect fun <K, V> concurrentHashMap(): MutableMap<K, V>...

concurrentHashMap

Using AI Code Generation

1val map = concurrentHashMapOf("a" to 1, "b" to 2)2val queue = concurrentLinkedQueueOf(1, 2, 3)3val map = concurrentSkipListMapOf("a" to 1, "b" to 2)4val set = concurrentSkipListSetOf(1, 2, 3)5val list = copyOnWriteArrayListOf(1, 2, 3)6val set = copyOnWriteArraySetOf(1, 2, 3)7val map = enumMapOf(1 to "a", 2 to "b")8val set = enumSetOf(1, 2, 3)9val set = hashSetOf(1, 2, 3)10val set = linkedHashSetOf(1, 2, 3)11val map = linkedMapOf("a" to 1, "b" to 2)12val set = linkedSetOf(1, 2, 3)13val map = mapOf("a" to 1, "b" to 2)14val map = sortedMapOf("a" to 1, "b" to

concurrentHashMap

Using AI Code Generation

1val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )2val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )3val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )4val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )5val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )6val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )7val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )8val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )9val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )10val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )11val map = concurrentHashMapOf ( "one" to 1 , "two" to 2 , "three" to 3 )

concurrentHashMap

Using AI Code Generation

1val map = concurrentHashMapOf("a" to 1, "b" to 2, "c" to 3)2map shouldContainAll mapOf("a" to 4, "b" to 2, "c" to 3, "d" to 5)3map shouldNotContainAll mapOf("a" to 4, "b" to 2, "c" to 3, "d" to 5)4map shouldContainExactly mapOf("a" to 4, "b" to 2, "c" to 3, "d" to 5)5map shouldContainExactlyInAnyOrder mapOf("a" to 4, "b" to 2, "c" to 3, "d" to 5)6map shouldContainExactlyInAnyOrderEntries mapOf("a" to 4, "b" to 2, "c" to 3, "d" to 5).entries7map shouldContainExactlyEntries mapOf("a" to 4, "b" to 2, "c" to 3, "d" to 5).entries8map shouldContainAllEntries mapOf("a" to 4, "b" to 2, "c" to 3, "

concurrentHashMap

Using AI Code Generation

1val map = concurrentHashMapOf(1 to "one", 2 to "two")2val map = concurrentHashMapOf(1 to "one", 2 to "two")3val map = concurrentHashMapOf(1 to "one", 2 to "two")4val map = concurrentHashMapOf(1 to "one", 2 to "two")5val map = concurrentHashMapOf(1 to "one", 2 to "two")6val map = concurrentHashMapOf(1 to "one", 2 to "two")7val map = concurrentHashMapOf(1 to "one", 2 to "two")8val map = concurrentHashMapOf(1 to "one", 2 to "two")9val map = concurrentHashMapOf(1 to "one", 2 to "two")10val map = concurrentHashMapOf(1 to "one", 2 to "two")11val map = concurrentHashMapOf(1 to "one", 2 to "two")12val map = concurrentHashMapOf(1 to "one", 2 to "two")13val map = concurrentHashMapOf(1 to "one",

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