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How to use colours method of io.kotest.engine.launcher.console class

Best Kotest code snippet using io.kotest.engine.launcher.console.colours

Kotest.kt

Source:Kotest.kt

1package io.kotest.gradle2import jetbrains.buildServer.messages.serviceMessages.ServiceMessagesParser3import org.gradle.api.GradleException4import org.gradle.api.file.FileCollection5import org.gradle.api.internal.file.FileCollectionFactory6import org.gradle.api.internal.file.FileResolver7import org.gradle.api.internal.tasks.testing.DefaultTestSuiteDescriptor8import org.gradle.api.internal.tasks.testing.results.DefaultTestResult9import org.gradle.api.tasks.TaskAction10import org.gradle.api.tasks.options.Option11import org.gradle.api.tasks.testing.Test12import org.gradle.api.tasks.testing.TestListener13import org.gradle.api.tasks.testing.TestOutputListener14import org.gradle.api.tasks.testing.TestResult15import org.gradle.internal.concurrent.ExecutorFactory16import org.gradle.process.internal.DefaultExecActionFactory17import org.gradle.process.internal.JavaExecAction18import java.io.PipedInputStream19import java.io.PipedOutputStream20import javax.inject.Inject21import kotlin.concurrent.thread22// gradle seems to require the class be open23open class Kotest @Inject constructor(24    private val fileResolver: FileResolver,25    private val fileCollectionFactory: FileCollectionFactory,26    private val executorFactory: ExecutorFactory27) : Test() {28   companion object {29      private const val IntellijTestListenerClassName = "IJTestEventLogger"30      private const val ReporterArg = "--reporter"31      private const val TermArg = "--termcolor"32      private const val TagsArg = "--tags"33      private const val TeamCityReporter = "teamcity"34      private const val TaycanReporter = "io.kotest.engine.reporter.TaycanConsoleReporter"35      private const val PlainColours = "ansi16"36      private const val TrueColours = "ansi256"37   }38   private val listeners = mutableListOf<TestListener>()39   private val outputListeners = mutableListOf<TestOutputListener>()40   private var tags: String? = null41   // gradle will call this if --tags was specified on the command line42   @Option(option = "tags", description = "Set tag expression to include or exclude tests")43   fun setTags(tags: String) {44      this.tags = tags45   }46   // intellij will call this to register its listeners for the test event run window47   override fun addTestListener(listener: TestListener) {48      listeners.add(listener)49   }50   override fun addTestOutputListener(listener: TestOutputListener) {51      outputListeners.add(listener)52   }53   /**54    * Returns args to be used for the tag expression.55    *56    * If --tags was passed as a command line arg, then that takes precedence over the value57    * set in the gradle build.58    *59    * Returns empty list if no tag expression was specified.60    */61   private fun tagArgs(): List<String> {62      tags?.let { return listOf(TagsArg, it) }63      project.kotest()?.tags?.orNull?.let { return listOf(TagsArg, it) }64      return emptyList()65   }66   // -- reporter was added in 4.2.167   private fun args() = when {68      isIntellij() -> listOf(ReporterArg, TeamCityReporter, TermArg, PlainColours) + tagArgs()69      else -> listOf(ReporterArg, TaycanReporter, TermArg, TrueColours) + tagArgs()70   }71   private fun exec(classpath: FileCollection): JavaExecAction {72      val exec =73         DefaultExecActionFactory.of(fileResolver, fileCollectionFactory, executorFactory, null).newJavaExecAction()74      copyTo(exec)75      exec.main = "io.kotest.engine.launcher.MainKt"76      exec.classpath = classpath77      exec.jvmArgs = allJvmArgs78      exec.args = args()79      // this must be true so we can handle the failure ourselves by throwing GradleException80      // otherwise we get a nasty stack trace from gradle81      exec.isIgnoreExitValue = true82      return exec83   }84   /**85    * Returns true if we are running inside intellij.86    * We detect this by looking to see if intellij added it's own test listener to this task, which it87    * does for any task tat extends Test.88    * The intellij test listener is an instance of IJTestEventLogger.89    */90   private fun isIntellij(): Boolean {91      return listeners.map { it::class.java.name }.any { it.contains(IntellijTestListenerClassName) }92   }93   private fun rerouteTeamCityListener(exec: JavaExecAction) {94      val input = PipedInputStream()95      exec.standardOutput = PipedOutputStream(input)96      thread {97         val root = DefaultTestSuiteDescriptor("root", "root")98         listeners.forEach {99            it.beforeSuite(root)100         }101         input.bufferedReader().useLines { lines ->102            val parser = ServiceMessagesParser()103            val callback = KotestServiceMessageParserCallback(root, listeners, outputListeners)104            lines.forEach { parser.parse(it, callback) }105         }106         listeners.forEach {107            it.afterSuite(root, DefaultTestResult(TestResult.ResultType.SUCCESS, 0, 0, 0, 0, 0, emptyList()))108         }109      }110   }111   @TaskAction112   override fun executeTests() {113      //val testResultsDir = project.buildDir.resolve("test-results")114      val sourceset = project.javaTestSourceSet() ?: return115      val result = try {116         val exec = exec(sourceset.runtimeClasspath)117         if (isIntellij()) rerouteTeamCityListener(exec)118         exec.execute()119      } catch (e: Exception) {120         println(e)121         e.printStackTrace()122         throw GradleException("Test process failed", e)123      }124      if (result.exitValue != 0) {125         throw GradleException("There were test failures")126      }127   }128}...

console.kt

Source:console.kt

...13      // we support "teamcity", "taycan", "enhanced" as special values14      // taycan was the name for the fancy kotest output but has been renamed to simply enhanced15      when (args.listener) {16         "teamcity" -> TeamCityTestEngineListener()17         "taycan", "enhanced" -> EnhancedConsoleTestEngineListener(colours(args))18         null -> defaultConsoleListener()19         else -> Class.forName(args.listener).getDeclaredConstructor().newInstance() as TestEngineListener20      }21   } catch (t: Throwable) {22      println(t.message)23      t.printStackTrace()24      defaultConsoleListener()25   }26}27internal fun colours(args: LauncherArgs): TermColors {28   return when (args.termcolor) {29      "true" -> TermColors(TermColors.Level.TRUECOLOR)30      "ansi256" -> TermColors(TermColors.Level.ANSI256)31      "ansi16" -> TermColors(TermColors.Level.ANSI16)32      "auto" -> TermColors()33      else -> TermColors()34   }35}36// returns a TestEngineListener appropriate for the environment when none was specified37// If we are running from intellij, we use an IDEA compatible team city writer38// otherwise we use the default enhanced writer39internal fun defaultConsoleListener(): TestEngineListener =40   if (isIntellij()) TeamCityTestEngineListener() else EnhancedConsoleTestEngineListener(TermColors())...

colours

Using AI Code Generation

1val colors = Colors()2val launcher = KotestEngineLauncher()3launcher.execute()4launcher.printSummary(colors)5val colors = Colors()6val launcher = KotestEngineLauncher()7launcher.execute()8launcher.printSummary(colors)

colours

Using AI Code Generation

1fun main(args: Array<String>) {2val spec = object : StringSpec({3"some test" {4println("Hello World")5}6})7val console = ConsoleLauncher()8console.execute(spec, args)9}

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