Upgraded Kover version to 0.7.0-Beta (#3734)

Co-authored-by: Vsevolod Tolstopyatov <[email protected]>

Author: shanshin

build.gradle

@@ -66,8 +66,8 @@ buildscript {
         classpath "com.github.node-gradle:gradle-node-plugin:$gradle_node_version"
         classpath "org.jetbrains.kotlinx:binary-compatibility-validator:$binary_compatibility_validator_version"
         classpath "ru.vyarus:gradle-animalsniffer-plugin:1.5.4" // Android API check
-        classpath "org.jetbrains.kotlinx:kover:$kover_version"
         classpath "org.jetbrains.kotlin:atomicfu:$kotlin_version"
+        classpath "org.jetbrains.kotlinx:kover-gradle-plugin:$kover_version"
 
         // JMH plugins
         classpath "gradle.plugin.com.github.johnrengelman:shadow:7.1.2"

buildSrc/build.gradle.kts

@@ -62,7 +62,7 @@ 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:${version("kover")}") {
+    implementation("org.jetbrains.kotlinx:kover-gradle-plugin:${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/kover-conventions.gradle.kts

@@ -1,9 +1,11 @@
-import kotlinx.kover.api.*
-import kotlinx.kover.tasks.*
+import kotlinx.kover.gradle.plugin.dsl.*
 
 /*
  * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
+plugins {
+    id("org.jetbrains.kotlinx.kover")
+}
 
 val notCovered = sourceless + internal + unpublished
 
@@ -16,38 +18,60 @@ val expectedCoverage = mutableMapOf(
     "kotlinx-coroutines-reactor" to 75
 )
 
+val conventionProject = project
+
 subprojects {
     val projectName = name
     if (projectName in notCovered) return@subprojects
-    apply(plugin = "kover")
 
-    extensions.configure<KoverProjectConfig> {
+    project.apply(plugin = "org.jetbrains.kotlinx.kover")
+    conventionProject.dependencies.add("kover", this)
+
+    extensions.configure<KoverProjectExtension>("kover") {
         /*
-         * Is explicitly enabled on TC in a separate build step.
-         * Examples:
-         * ./gradlew :p:check -- doesn't verify coverage
-         * ./gradlew :p:check -Pkover.enabled=true -- verifies coverage
-         * ./gradlew :p:koverReport -Pkover.enabled=true -- generates report
-         */
-        isDisabled.set(!(properties["kover.enabled"]?.toString()?.toBoolean() ?: false))
+        * Is explicitly enabled on TC in a separate build step.
+        * Examples:
+        * ./gradlew :p:check -- doesn't verify coverage
+        * ./gradlew :p:check -Pkover.enabled=true -- verifies coverage
+        * ./gradlew :p:koverHtmlReport -Pkover.enabled=true -- generates HTML report
+        */
+        if (properties["kover.enabled"]?.toString()?.toBoolean() != true) {
+            disable()
+        }
+    }
 
-        verify {
-            rule {
-                bound {
+    extensions.configure<KoverReportExtension>("koverReport") {
+        defaults {
+            html {
+                setReportDir(conventionProject.layout.buildDirectory.dir("kover/${project.name}/html"))
+            }
+
+            verify {
+                rule {
                     /*
-                     * 85 is our baseline that we aim to raise to 90+.
-                     * Missing coverage is typically due to bugs in the agent
-                     * (e.g. signatures deprecated with an error are counted),
-                     * sometimes it's various diagnostic `toString` or `catch` for OOMs/VerificationErrors,
-                     * but some places are definitely worth visiting.
-                     */
-                    minValue = expectedCoverage[projectName] ?: 85 // COVERED_LINES_PERCENTAGE
+                    * 85 is our baseline that we aim to raise to 90+.
+                    * Missing coverage is typically due to bugs in the agent
+                    * (e.g. signatures deprecated with an error are counted),
+                    * sometimes it's various diagnostic `toString` or `catch` for OOMs/VerificationErrors,
+                    * but some places are definitely worth visiting.
+                    */
+                    minBound(expectedCoverage[projectName] ?: 85) // COVERED_LINES_PERCENTAGE
                 }
             }
         }
+    }
+}
 
-        htmlReport {
-            reportDir.set(file(rootProject.buildDir.toString() + "/kover/" + project.name + "/html"))
+koverReport {
+    defaults {
+        verify {
+            rule {
+                minBound(85) // COVERED_LINES_PERCENTAGE
+            }
         }
     }
 }
+
+conventionProject.tasks.register("koverReport") {
+    dependsOn(conventionProject.tasks.named("koverHtmlReport"))
+}

gradle.properties

@@ -23,7 +23,7 @@ rxjava3_version=3.0.2
 javafx_version=17.0.2
 javafx_plugin_version=0.0.8
 binary_compatibility_validator_version=0.12.0
-kover_version=0.6.1
+kover_version=0.7.0-Beta
 blockhound_version=1.0.2.RELEASE
 jna_version=5.9.0
 

kotlinx-coroutines-core/build.gradle

@@ -4,6 +4,10 @@
 
 apply plugin: 'org.jetbrains.kotlin.multiplatform'
 apply plugin: 'org.jetbrains.dokka'
+
+// apply plugin to use autocomplete for Kover DSL
+apply plugin: 'org.jetbrains.kotlinx.kover'
+
 apply from: rootProject.file("gradle/compile-jvm-multiplatform.gradle")
 apply from: rootProject.file("gradle/compile-common.gradle")
 
@@ -320,12 +324,26 @@ def commonKoverExcludes =
         ]
 
 kover {
-    instrumentation {
-        excludeTasks.add("jvmLincheckTest") // Always disabled, lincheck doesn't really support coverage
+    excludeTests {
+        // Always disabled, lincheck doesn't really support coverage
+        tasks("jvmLincheckTest")
+    }
+
+    excludeInstrumentation {
+        // lincheck has NPE error on `ManagedStrategyStateHolder` class
+        classes("org.jetbrains.kotlinx.lincheck.*")
     }
+}
+
+koverReport {
     filters {
-        classes {
-            excludes.addAll(commonKoverExcludes)
+        excludes {
+            classes(
+                    "kotlinx.coroutines.debug.*", // Tested by debug module
+                    "kotlinx.coroutines.channels.ChannelsKt__DeprecatedKt.*", // Deprecated
+                    "kotlinx.coroutines.scheduling.LimitingDispatcher", // Deprecated
+                    "kotlinx.coroutines.scheduling.ExperimentalCoroutineDispatcher" // Deprecated
+            )
         }
     }
 }

kotlinx-coroutines-debug/build.gradle

@@ -4,6 +4,9 @@
 
 apply plugin: "com.github.johnrengelman.shadow"
 
+// apply plugin to use autocomplete for Kover DSL
+apply plugin: 'org.jetbrains.kotlinx.kover'
+
 configurations {
     shadowDeps // shaded dependencies, not included into the resulting .pom file
     compileOnly.extendsFrom(shadowDeps)
@@ -53,14 +56,11 @@ configurations {
     }
 }
 
-def commonKoverExcludes =
-        // Never used, safety mechanism
-        ["kotlinx.coroutines.debug.internal.NoOpProbesKt"]
-
-tasks.koverHtmlReport {
-    excludes = commonKoverExcludes
-}
-
-tasks.koverVerify {
-    excludes = commonKoverExcludes
+koverReport {
+    filters {
+        excludes {
+            // Never used, safety mechanism
+            classes("kotlinx.coroutines.debug.internal.NoOpProbesKt")
+        }
+    }
 }

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

@@ -1,7 +1,14 @@
+import kotlinx.kover.gradle.plugin.dsl.*
+
 /*
  * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
+plugins {
+    // apply plugin to use autocomplete for Kover DSL
+    id("org.jetbrains.kotlinx.kover")
+}
+
 val reactiveStreamsVersion = property("reactive_streams_version")
 
 dependencies {
@@ -35,16 +42,14 @@ externalDocumentationLink(
     url = "https://www.reactive-streams.org/reactive-streams-$reactiveStreamsVersion-javadoc/"
 )
 
-val commonKoverExcludes = listOf(
-    "kotlinx.coroutines.reactive.FlowKt", // Deprecated
-    "kotlinx.coroutines.reactive.FlowKt__MigrationKt", // Deprecated
-    "kotlinx.coroutines.reactive.ConvertKt" // Deprecated
-)
-
-kover {
+koverReport {
     filters {
-        classes {
-            excludes += commonKoverExcludes
+        excludes {
+            classes(
+                "kotlinx.coroutines.reactive.FlowKt", // Deprecated
+                "kotlinx.coroutines.reactive.FlowKt__MigrationKt", // Deprecated
+                "kotlinx.coroutines.reactive.ConvertKt" // Deprecated
+            )
         }
     }
 }

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

@@ -2,6 +2,11 @@
  * Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
+plugins {
+    // apply plugin to use autocomplete for Kover DSL
+    id("org.jetbrains.kotlinx.kover")
+}
+
 val reactorVersion = version("reactor")
 
 dependencies {
@@ -28,15 +33,14 @@ externalDocumentationLink(
     url = "https://projectreactor.io/docs/core/$reactorVersion/api/"
 )
 
-val commonKoverExcludes = listOf(
-    "kotlinx.coroutines.reactor.FlowKt", // Deprecated
-    "kotlinx.coroutines.reactor.ConvertKt\$asFlux$1" // Deprecated
-)
 
-kover {
+koverReport {
     filters {
-        classes {
-            excludes += commonKoverExcludes
+        excludes {
+            classes(
+                "kotlinx.coroutines.reactor.FlowKt", // Deprecated
+                "kotlinx.coroutines.reactor.ConvertKt\$asFlux$1" // Deprecated
+            )
         }
     }
 }

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

@@ -112,9 +112,3 @@ open class RunR8 : JavaExec() {
         super.exec()
     }
 }
-
-tasks.withType<Test> {
-    extensions.configure<KoverTaskExtension> {
-        excludes.addAll(listOf("com.android.*", "android.*")) // Exclude robolectric-generated classes
-    }
-}