Update Kover to 0.5.0 (Kotlin#3183)

* Update Kover to 0.5.0
* Update robolectric to workaround robolectric/robolectric#5456 and then workaround all the update consequences

Author: qwwdfsad

buildSrc/build.gradle.kts

@@ -59,5 +59,9 @@ dependencies {
         exclude(group = "org.jetbrains.kotlin", module = "kotlin-stdlib")
     }
     implementation("ru.vyarus:gradle-animalsniffer-plugin:1.5.3") // Android API check
-    implementation("org.jetbrains.kotlinx:kover:${version("kover")}")
+    implementation("org.jetbrains.kotlinx:kover:${version("kover")}") {
+        exclude(group = "org.jetbrains.kotlin", module = "kotlin-stdlib-jdk8")
+        exclude(group = "org.jetbrains.kotlin", module = "kotlin-stdlib-jdk7")
+        exclude(group = "org.jetbrains.kotlin", module = "kotlin-stdlib")
+    }
 }

buildSrc/src/main/kotlin/UnpackAar.kt

@@ -2,18 +2,49 @@
  * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
+import org.gradle.api.*
 import org.gradle.api.artifacts.transform.InputArtifact
 import org.gradle.api.artifacts.transform.TransformAction
 import org.gradle.api.artifacts.transform.TransformOutputs
 import org.gradle.api.artifacts.transform.TransformParameters
+import org.gradle.api.attributes.*
 import org.gradle.api.file.FileSystemLocation
 import org.gradle.api.provider.Provider
+import org.gradle.kotlin.dsl.*
 import java.io.File
 import java.nio.file.Files
 import java.util.zip.ZipEntry
 import java.util.zip.ZipFile
 
-// TODO move back to kotlinx-coroutines-play-services when it's migrated to the kts
+// Attributes used by aar dependencies
+val artifactType = Attribute.of("artifactType", String::class.java)
+val unpackedAar = Attribute.of("unpackedAar", Boolean::class.javaObjectType)
+
+fun Project.configureAar() = configurations.configureEach {
+    afterEvaluate {
+        if (isCanBeResolved && !isCanBeConsumed) {
+            attributes.attribute(unpackedAar, true) // request all AARs to be unpacked
+        }
+    }
+}
+
+fun DependencyHandlerScope.configureAarUnpacking() {
+    attributesSchema {
+        attribute(unpackedAar)
+    }
+
+    artifactTypes {
+        create("aar") {
+            attributes.attribute(unpackedAar, false)
+        }
+    }
+
+    registerTransform(UnpackAar::class.java) {
+        from.attribute(unpackedAar, false).attribute(artifactType, "aar")
+        to.attribute(unpackedAar, true).attribute(artifactType, "jar")
+    }
+}
+
 @Suppress("UnstableApiUsage")
 abstract class UnpackAar : TransformAction<TransformParameters.None> {
     @get:InputArtifact

buildSrc/src/main/kotlin/kover-conventions.gradle.kts

@@ -13,10 +13,8 @@ val expectedCoverage = mutableMapOf(
     "kotlinx-coroutines-swing" to 70, // awaitFrame is not tested
     "kotlinx-coroutines-javafx" to 39, // JavaFx is not tested on TC because its graphic subsystem cannot be initialized in headless mode
 
-    // Re-evaluate this along with Kover update where deprecated with error+ functions are not considered as uncovered: IDEA-287459
-    "kotlinx-coroutines-reactor" to 65,
-    "kotlinx-coroutines-rx2" to 78
-)
+    // Reactor has lower coverage in general due to various fatal error handling features
+    "kotlinx-coroutines-reactor" to 75)
 
 extensions.configure<KoverExtension> {
     disabledProjects = notCovered
@@ -28,6 +26,8 @@ extensions.configure<KoverExtension> {
      * ./gradlew :p:koverReport -Pkover.enabled=true -- generates report
      */
     isDisabled = !(properties["kover.enabled"]?.toString()?.toBoolean() ?: false)
+    // TODO remove when updating Kover to version 0.5.x
+    intellijEngineVersion.set("1.0.657")
 }
 
 subprojects {

gradle.properties

@@ -23,14 +23,14 @@ rxjava3_version=3.0.2
 javafx_version=11.0.2
 javafx_plugin_version=0.0.8
 binary_compatibility_validator_version=0.8.0
-kover_version=0.5.0-RC2
+kover_version=0.5.0
 blockhound_version=1.0.2.RELEASE
 jna_version=5.9.0
 
 # Android versions
 android_version=4.1.1.4
 androidx_annotation_version=1.1.0
-robolectric_version=4.0.2
+robolectric_version=4.4
 baksmali_version=2.2.7
 
 # JS

integration/kotlinx-coroutines-play-services/build.gradle.kts

@@ -4,36 +4,17 @@
 
 val tasksVersion = "16.0.1"
 
-val artifactType = Attribute.of("artifactType", String::class.java)
-val unpackedAar = Attribute.of("unpackedAar", Boolean::class.javaObjectType)
-
-configurations.configureEach {
-    afterEvaluate {
-        if (isCanBeResolved) {
-            attributes.attribute(unpackedAar, true) // request all AARs to be unpacked
-        }
-    }
-}
+project.configureAar()
 
 dependencies {
-    attributesSchema {
-        attribute(unpackedAar)
-    }
-
-    artifactTypes {
-        create("aar") {
-            attributes.attribute(unpackedAar, false)
-        }
-    }
-
-    registerTransform(UnpackAar::class.java) {
-        from.attribute(unpackedAar, false).attribute(artifactType, "aar")
-        to.attribute(unpackedAar, true).attribute(artifactType, "jar")
-    }
-
+    configureAarUnpacking()
     api("com.google.android.gms:play-services-tasks:$tasksVersion") {
         exclude(group="com.android.support")
     }
+
+    // Required by robolectric
+    testImplementation("androidx.test:core:1.2.0")
+    testImplementation("androidx.test:monitor:1.2.0")
 }
 
 externalDocumentationLink(

reactive/kotlinx-coroutines-reactor/build.gradle.kts

@@ -29,7 +29,8 @@ externalDocumentationLink(
 )
 
 val commonKoverExcludes = listOf(
-    "kotlinx.coroutines.reactor.FlowKt" // Deprecated
+    "kotlinx.coroutines.reactor.FlowKt", // Deprecated
+    "kotlinx.coroutines.reactor.ConvertKt\$asFlux$1" // Deprecated
 )
 
 tasks.koverHtmlReport {

ui/kotlinx-coroutines-android/android-unit-tests/build.gradle.kts

@@ -2,10 +2,17 @@
  * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
+project.configureAar()
+
 dependencies {
-    kotlinCompilerPluginClasspathMain(project(":kotlinx-coroutines-core"))
+    configureAarUnpacking()
+
     testImplementation("com.google.android:android:${version("android")}")
     testImplementation("org.robolectric:robolectric:${version("robolectric")}")
+    // Required by robolectric
+    testImplementation("androidx.test:core:1.2.0")
+    testImplementation("androidx.test:monitor:1.2.0")
+
     testImplementation(project(":kotlinx-coroutines-test"))
     testImplementation(project(":kotlinx-coroutines-android"))
 }

ui/kotlinx-coroutines-android/android-unit-tests/test/ordered/tests/CustomizedRobolectricTest.kt

@@ -26,6 +26,7 @@ class InitMainDispatcherBeforeRobolectricTestRunner(testClass: Class<*>) : Robol
 
 @Config(manifest = Config.NONE, sdk = [28])
 @RunWith(InitMainDispatcherBeforeRobolectricTestRunner::class)
+@LooperMode(LooperMode.Mode.LEGACY)
 class CustomizedRobolectricTest : TestBase() {
     @Test
     fun testComponent()  {
@@ -52,4 +53,4 @@ class CustomizedRobolectricTest : TestBase() {
         mainLooper.unPause()
         assertTrue(component.launchCompleted)
     }
-}
+}

ui/kotlinx-coroutines-android/android-unit-tests/test/ordered/tests/FirstRobolectricTest.kt

@@ -15,6 +15,7 @@ import kotlin.test.*
 
 @RunWith(RobolectricTestRunner::class)
 @Config(manifest = Config.NONE, sdk = [28])
+@LooperMode(LooperMode.Mode.LEGACY)
 open class FirstRobolectricTest {
     @Test
     fun testComponent()  {

ui/kotlinx-coroutines-android/build.gradle.kts

@@ -10,16 +10,24 @@ configurations {
 
 repositories {
     mavenCentral()
-    jcenter() // https://youtrack.jetbrains.com/issue/IDEA-261387
 }
+
+project.configureAar()
+
 dependencies {
+    configureAarUnpacking()
+
     compileOnly("com.google.android:android:${version("android")}")
     compileOnly("androidx.annotation:annotation:${version("androidx_annotation")}")
 
     testImplementation("com.google.android:android:${version("android")}")
     testImplementation("org.robolectric:robolectric:${version("robolectric")}")
-    testImplementation("org.smali:baksmali:${version("baksmali")}")
+    // Required by robolectric
+    testImplementation("androidx.test:core:1.2.0")
+    testImplementation("androidx.test:monitor:1.2.0")
+
 
+    testImplementation("org.smali:baksmali:${version("baksmali")}")
     "r8"("com.android.tools.build:builder:7.1.0-alpha01")
 }
 

ui/kotlinx-coroutines-android/test/AndroidExceptionPreHandlerTest.kt

@@ -13,6 +13,7 @@ import kotlin.test.*
 
 @RunWith(RobolectricTestRunner::class)
 @Config(manifest = Config.NONE, sdk = [27])
+@LooperMode(LooperMode.Mode.LEGACY)
 class AndroidExceptionPreHandlerTest : TestBase() {
     @Test
     fun testUnhandledException() = runTest {

ui/kotlinx-coroutines-android/test/DisabledHandlerTest.kt

@@ -13,6 +13,7 @@ import org.robolectric.annotation.*
 
 @RunWith(RobolectricTestRunner::class)
 @Config(manifest = Config.NONE, sdk = [28])
+@LooperMode(LooperMode.Mode.LEGACY)
 class DisabledHandlerTest : TestBase() {
 
     private var delegateToSuper = false

ui/kotlinx-coroutines-android/test/HandlerDispatcherAsyncTest.kt

@@ -18,6 +18,7 @@ import kotlin.test.*
 
 @RunWith(RobolectricTestRunner::class)
 @Config(manifest = Config.NONE, sdk = [28])
+@LooperMode(LooperMode.Mode.LEGACY)
 class HandlerDispatcherAsyncTest : TestBase() {
 
     /**

ui/kotlinx-coroutines-android/test/HandlerDispatcherTest.kt

@@ -16,6 +16,7 @@ import kotlin.test.*
 
 @RunWith(RobolectricTestRunner::class)
 @Config(manifest = Config.NONE, sdk = [28])
+@LooperMode(LooperMode.Mode.LEGACY)
 class HandlerDispatcherTest : TestBase() {
     @Test
     fun testImmediateDispatcherYield() = runBlocking(Dispatchers.Main) {
@@ -121,7 +122,6 @@ class HandlerDispatcherTest : TestBase() {
     }
 
     private fun CoroutineScope.doTestAwaitWithDetectedChoreographer() {
-        ShadowChoreographer.reset()
         ShadowChoreographer.setPostFrameCallbackDelay(100)
         val mainLooper = Shadows.shadowOf(Looper.getMainLooper())
         launch(Dispatchers.Main, start = CoroutineStart.UNDISPATCHED) {