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How to use logs class of io.kotest.engine.test.logging package

Best Kotest code snippet using io.kotest.engine.test.logging.logs

build.gradle.kts

Source:build.gradle.kts

1import org.jetbrains.kotlin.gradle.tasks.KotlinCompile2import org.springframework.boot.gradle.tasks.bundling.BootBuildImage3plugins {4    java5    idea6    id("org.springframework.boot") version "2.5.4"7    id("io.spring.dependency-management") version "1.0.11.RELEASE"8    kotlin("jvm") version "1.5.30"9    kotlin("plugin.spring") version "1.5.30"10    id("org.jlleitschuh.gradle.ktlint") version "10.1.0"11    id("org.jlleitschuh.gradle.ktlint-idea") version "10.1.0"12    id("org.liquibase.gradle") version "2.0.4"13    jacoco14    id("org.sonarqube") version "3.3"15}16group = "br.com.quanto.tsp.template"17version = "0.0.3"18java.sourceCompatibility = JavaVersion.VERSION_1619val ghPkgUsername by extra(System.getenv("GH_PACKAGES_USERNAME") ?: project.property("github.username").toString())20val ghPkgPassword by extra(System.getenv("GH_PACKAGES_PASSWORD") ?: project.property("github.token").toString())21val sonarquebeKey by extra(System.getenv("SONAR_KEY") ?: "tsp-kotlin-ms-template")22val protobucketVersion = "1.20.6"23val tagVersion by extra(System.getenv("BUILD_TAG_VERSION") ?: version)24val exposedVersion = "0.34.1"25val liquibaseVersion = "4.4.3"26val testContainerVersion = "1.16.0"27repositories {28    mavenCentral()29    maven {30        url = uri("https://plugins.gradle.org/m2/")31    }32    maven {33        url = uri("https://maven.pkg.github.com/contaquanto/tspprotobucket")34        credentials {35            username = ghPkgUsername36            password = ghPkgPassword37        }38    }39    maven {40        url = uri("https://maven.pkg.github.com/contaquanto/tsp-logpose")41        credentials {42            username = ghPkgUsername43            password = ghPkgPassword44        }45    }46}47springBoot {48    buildInfo {49        properties {50            additional = mapOf(51                "tagVersion" to tagVersion,52            )53        }54    }55}56extra["springCloudVersion"] = "2020.0.3"57dependencies {58    // Kotlin59    implementation("org.jetbrains.kotlin:kotlin-reflect")60    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")61    // Spring REST62    implementation("org.springframework.boot:spring-boot-starter")63    implementation("org.springframework.boot:spring-boot-starter-web")64    // REST Client65    implementation("org.springframework.cloud:spring-cloud-starter-openfeign")66    // Kafka67    implementation("org.springframework.kafka:spring-kafka")68    // Logs in JSON Format69    implementation("org.springframework.boot:spring-boot-starter-log4j2")70    implementation("com.fasterxml.jackson.module:jackson-module-kotlin")71    implementation("com.lmax:disruptor:3.4.4")72    // YAML log4 config73    implementation("com.fasterxml.jackson.dataformat:jackson-dataformat-yaml")74    // Idiomatic Logging in Kotlin75    implementation("io.github.microutils:kotlin-logging:2.0.11")76    // Tracing - Open Tracing77    implementation("org.springframework.cloud:spring-cloud-starter-sleuth")78    implementation("org.springframework.cloud:spring-cloud-sleuth-zipkin")79    implementation("io.opentracing:opentracing-api:0.33.0")80    // Grpc - Tracing81    implementation("io.zipkin.brave:brave-instrumentation-grpc:5.13.3")82    // Health and Metrics83    implementation("org.springframework.boot:spring-boot-starter-actuator")84    runtimeOnly("io.micrometer:micrometer-registry-prometheus")85    // GRPC86    // Se vocÃª for sÃ³ usar o GRPC cliente use :87    // implementation("net.devh:grpc-client-spring-boot-starter:2.12.0.RELEASE")88    // Se vocÃª for usar tanto cliente quanto server grpc use:89    implementation("net.devh:grpc-spring-boot-starter:2.12.0.RELEASE")90    // GRPC Kafka Serializer/Deserializers91    implementation("com.github.daniel-shuy:kafka-protobuf-serde:2.2.0")92    // GRPC ProtoBuf from ProtoBucket import93    implementation("br.com.quanto.tsp.protobucket:event:$protobucketVersion")94    implementation("br.com.quanto.tsp.protobucket:template:$protobucketVersion")95    implementation("br.com.quanto.tsp.protobucket:templatethirdparty:$protobucketVersion")96    implementation("br.com.quanto.tsp.protobucket:action:$protobucketVersion")97    // AuditLogLibrary - LOGPOSE98    implementation("br.com.quanto.tsp:logpose:2.2.1")99    // Vault100    implementation("org.springframework.cloud:spring-cloud-starter-vault-config")101    implementation("org.springframework.cloud:spring-cloud-starter-bootstrap")102    // SQL103    implementation("org.postgresql:postgresql:42.2.23")104    implementation("org.springframework.boot:spring-boot-starter-jdbc")105    implementation("org.jetbrains.exposed:exposed-core:$exposedVersion")106    implementation("org.jetbrains.exposed:exposed-jdbc:$exposedVersion")107    implementation("org.jetbrains.exposed:exposed-java-time:$exposedVersion")108    implementation("org.jetbrains.exposed:spring-transaction:$exposedVersion")109    // SQL VAULT110    implementation("org.springframework.cloud:spring-cloud-vault-config-databases")111    // LIQUIBASE112    implementation("org.liquibase:liquibase-core:$liquibaseVersion")113    liquibaseRuntime("org.liquibase:liquibase-core:$liquibaseVersion")114    liquibaseRuntime("org.liquibase:liquibase-groovy-dsl:3.0.2")115    liquibaseRuntime("org.postgresql:postgresql:42.2.23")116    liquibaseRuntime("org.yaml:snakeyaml:1.29")117    // Test118    testImplementation("org.springframework.boot:spring-boot-starter-test") {119        exclude("org.junit.vintage", "junit-vintage-engine")120        exclude("org.mockito", "mockito-core")121        exclude("org.mockito", "mockito-junit-jupiter")122    }123    // Cuidado ao aumentar a versÃ£o dessa dependencia, pois pode gerar conflito com o tspprotobucket124    // Fortemente recomendado manter a mesma versÃ£o do io.grpc do build.gradle do repositorio tspprotobucket125    testImplementation("io.grpc:grpc-testing")126    // INTEGRATION TESTS TESTCONTAINERS127    testImplementation("org.testcontainers:testcontainers:$testContainerVersion")128    testImplementation("org.testcontainers:junit-jupiter:$testContainerVersion")129    testImplementation("org.testcontainers:kafka:$testContainerVersion")130    // SQL131    testImplementation("org.testcontainers:postgresql:$testContainerVersion")132    // VAULT133    testImplementation("org.testcontainers:vault:$testContainerVersion")134    // REST INTEGRATION TESTS135    testImplementation("org.springframework.cloud:spring-cloud-starter-contract-stub-runner")136    // GRPC INTEGRATION TESTS137    testImplementation("org.grpcmock:grpcmock-spring-boot:0.6.0")138    // FAKER139    testImplementation("io.github.serpro69:kotlin-faker:1.7.1")140    // KOTEST141    testImplementation("io.kotest:kotest-assertions-core-jvm:4.6.2")142    // MOCKK143    testImplementation("io.mockk:mockk:1.12.0")144    testImplementation("com.ninja-squad:springmockk:3.0.1")145}146configurations.all {147    exclude(group = "org.springframework.boot", module = "spring-boot-starter-logging")148    resolutionStrategy.eachDependency {149        if (requested.group == "io.grpc") {150            useVersion("1.37.0")151            because("Guarantee of use the same version that are in use in tspprotobucket")152        }153    }154}155dependencyManagement.imports {156    mavenBom("org.springframework.cloud:spring-cloud-dependencies:${property("springCloudVersion")}")157}158tasks.withType<KotlinCompile> {159    kotlinOptions {160        freeCompilerArgs = listOf("-Xjsr305=strict", "-Xemit-jvm-type-annotations")161        jvmTarget = "16"162    }163}164tasks.withType<Test> {165    useJUnitPlatform()166    finalizedBy("jacocoTestReport")167    doLast {168        println("View code coverage at:")169        println("file://$buildDir/reports/jacoco/test/html/index.html")170    }171}172apply(plugin = "org.jlleitschuh.gradle.ktlint")173apply(plugin = "org.jlleitschuh.gradle.ktlint-idea")174tasks.getByName<JacocoReport>("jacocoTestReport") {175    classDirectories.setFrom(176        files(177            classDirectories.files.map {178                fileTree(it) {179                    exclude(180                        "**/TemplateApplication.class",181                        "**/TemplateApplicationKt.class",182                        "**/Database.class",183                        "**/DatabaseKt.class",184                        "**/DatabaseConfig.class",185                        "**/DatabaseConfigKt.class",186                        "**/KafkaConsumerConfig.class",187                        "**/KafkaConsumerConfigKt.class"188                    )189                }190            }191        )192    )193    reports {194        html.outputLocation.set(File("$buildDir/jacocoHtml"))195        html.required.set(true)196        xml.required.set(true)197        csv.required.set(true)198    }199}200tasks.withType<BootBuildImage> {201    builder = "paketobuildpacks/builder:base"202}203jacoco {204    toolVersion = "0.8.7"205}206sonarqube.properties {207    property("sonar.projectKey", sonarquebeKey)208    property("sonar.organization", "contaquanto")209    property("sonar.host.url", "https://sonarcloud.io")210}...

CoroutineLoggingInterceptorTest.kt

Source:CoroutineLoggingInterceptorTest.kt

...17import kotlin.coroutines.coroutineContext18@ExperimentalKotest19class DatabaseLogExtension : LogExtension {20   val database = mutableListOf<String>()21   override suspend fun handleLogs(testCase: TestCase, logs: List<LogEntry>) {22      database.addAll(logs.map { it.message.toString() })23   }24}25@ExperimentalKotest26object FailingLogExtension : LogExtension {27   var invoked = false28   override suspend fun handleLogs(testCase: TestCase, logs: List<LogEntry>) {29      invoked = true30      throw CannotLogException("danger zone")31   }32}33@ExperimentalKotest34class TestWithFailingLog : FunSpec() {35   init {36      register(FailingLogExtension)37      beforeTest {38         FailingLogExtension.invoked shouldBe false39         coroutineContext.configuration.logLevel = LogLevel.Debug40      }41      test("should suppress exceptions thrown by log extensions") {42         debug { "wobble" }43      }44      afterTest { FailingLogExtension.invoked shouldBe true }45   }46}47@ExperimentalKotest48class ShouldLogWithTestAndProjectLevelExtensions : FunSpec() {49   init {50      val db1 = DatabaseLogExtension()51      val db2 = DatabaseLogExtension()52      register(db1)53      beforeTest {54         coroutineContext.configuration.logLevel = LogLevel.Debug55         coroutineContext.configuration.registry.add(db2)56      }57      test("should log to project and test extensions") {58         debug { "wobble" }59      }60      afterTest {61         db1.database.shouldContain("wobble")62         db2.database.shouldContain("wobble")63      }64   }65}66@ExperimentalKotest67class TestIgnoreWhenLoggingOff : FunSpec() {68   init {69      val database = DatabaseLogExtension()70      register(database)71      beforeTest {72         coroutineContext.configuration.logLevel = LogLevel.Off73      }74      test("ignores all logs when logging is OFF by config") {75         info { "info" }76         warn { "warn" }77         error { "error" }78         debug { "debug" }79      }80      afterTest {81         database.database.shouldBeEmpty()82      }83   }84}85@ExperimentalKotest86class TestErrorLogLevel : FunSpec() {87   init {88      val database = DatabaseLogExtension()89      register(database)90      beforeTest {91         coroutineContext.configuration.logLevel = LogLevel.Error92      }93      test("ignores logs lower priority than ERROR by config") {94         info { "info" }95         warn { "warn" }96         error { "error" }97         debug { "debug" }98         trace { "trace" }99      }100      afterTest {101         database.database.shouldBe(listOf("error"))102      }103   }104}105@ExperimentalKotest106class TestDebugLogLevel : FunSpec() {107   init {108      val database = DatabaseLogExtension()109      register(database)110      beforeTest {111         coroutineContext.configuration.logLevel = LogLevel.Debug112      }113      test("ignores logs lower priority than DEBUG by config") {114         info { "info" }115         warn { "warn" }116         error { "error" }117         debug { "debug" }118         trace { "trace" }119      }120      afterTest {121         database.database.shouldBe(listOf("info", "warn", "error", "debug"))122      }123   }124}125@ExperimentalKotest126class TestTraceLogLevel : FunSpec() {127   init {128      val database = DatabaseLogExtension()129      register(database)130      beforeTest {131         coroutineContext.configuration.logLevel = LogLevel.Trace132      }133      test("ignores logs lower priority than TRACE by config") {134         info { "info" }135         warn { "warn" }136         error { "error" }137         debug { "debug" }138         trace { "trace" }139      }140      afterTest {141         database.database.shouldBe(listOf("info", "warn", "error", "debug", "trace"))142      }143   }144}145@ExperimentalKotest146class TestInfoLogLevel : FunSpec() {147   init {148      val database = DatabaseLogExtension()149      register(database)150      beforeTest {151         coroutineContext.configuration.logLevel = LogLevel.Info152      }153      test("ignores logs lower priority than INFO by config") {154         info { "info" }155         warn { "warn" }156         error { "error" }157         debug { "debug" }158         trace { "trace" }159      }160      afterTest {161         database.database.shouldBe(listOf("info", "warn", "error"))162      }163   }164}165@ExperimentalKotest166class TestWarnLogLevel : FunSpec() {167   init {168      val database = DatabaseLogExtension()169      register(database)170      beforeTest {171         coroutineContext.configuration.logLevel = LogLevel.Warn172      }173      test("ignores logs lower priority than INFO by config") {174         info { "info" }175         warn { "warn" }176         error { "error" }177         debug { "debug" }178         trace { "trace" }179      }180      afterTest {181         database.database.shouldBe(listOf("warn", "error"))182      }183   }184}185private class CannotLogException(override val message: String) : Exception()...

SuspektLoggingTest.kt

Source:SuspektLoggingTest.kt

...43            HttpStatusCode.Forbidden,44        ) { statusCode ->45            context("when a $statusCode is returned") {46                whenResponseStatus(statusCode)47                it("logs $statusCode as sus") {48                    verify {49                        spiedOnLogger.error(50                            withArg { it shouldContain "suspekt oppfÃ¸rsel" },51                            statusCode,52                            any(),53                        )54                    }55                }56                it("increments gauge value") {57                    val suspektGauge = meterRegistry.get("suspekt.antall").gauge()58                    suspektGauge.value() shouldBe 159                }60            }61        }...

CoroutineLoggingInterceptor.kt

Source:CoroutineLoggingInterceptor.kt

...31               test(testCase, scope.withCoroutineContext(coroutineContext))32            }.apply {33               extensions.map { SerialLogExtension(it) }.forEach { extension ->34                  runCatching {35                     extension.handleLogs(testCase, logger.logs.filter { it.level >= configuration.logLevel })36                  }37               }38            }39         }40      }41   }42}...

ProjectConfig.kt

Source:ProjectConfig.kt

...10object ProjectConfig : AbstractProjectConfig() {11    override val logLevel: LogLevel = LogLevel.Debug12    override fun extensions(): List<Extension> = listOf(13        object : LogExtension {14            override suspend fun handleLogs(testCase: TestCase, logs: List<LogEntry>) {15                logs.forEach { println(it.level.name + " - " + it.message) }16            }17        }18    )19}...

SerialLogExtension.kt

Source:SerialLogExtension.kt

...9 */10@ExperimentalKotest11internal class SerialLogExtension constructor(private val logExtension: LogExtension) {12   private val mutex = Mutex()13   suspend fun handleLogs(testCase: TestCase, logs: List<LogEntry>) = mutex.withLock {14      runCatching {15         logExtension.handleLogs(testCase, logs)16      }17   }18}...

LogExtension.kt

Source:LogExtension.kt

...5/**6 * An extension that is invoked when a test completes, logging any values that were logged using7 * by way of [trace], [debug], [info], [warn], and [error] during that test.8 *9 * Users can use testId on [TestCase.descriptor] to cross-reference the [TestResult] with the provided logs.10 */11@ExperimentalKotest12interface LogExtension : Extension {13   suspend fun handleLogs(testCase: TestCase, logs: List<LogEntry>)14}...

logger.kt

Source:logger.kt

...4typealias LogFn = () -> Any5data class LogEntry(val level: LogLevel, val message: Any)6@ExperimentalKotest7class TestLogger(private val logLevel: LogLevel) {8   internal val logs = mutableListOf<LogEntry>()9   internal fun maybeLog(message: LogFn, level: LogLevel) {10      if (level >= logLevel) {11         logs.add(LogEntry(level, message()))12      }13   }14}...

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