Extract test suite setup to plugin (#179)

`:library` build logic became convoluted. Splitting it into discrete convention plugins improves maintainability. Create a `build-logic` project and extract test suite setup to it as a precompiled script plugin.

Author: gabrielfeo

build-logic/build.gradle.kts

@@ -0,0 +1,9 @@
+@file:Suppress("UnstableApiUsage")
+
+plugins {
+ `kotlin-dsl`
+}
+
+dependencies {
+ implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.9.23")
+}

build-logic/settings.gradle.kts

@@ -0,0 +1,8 @@
+@file:Suppress("UnstableApiUsage")
+
+dependencyResolutionManagement {
+ repositories {
+ mavenCentral()
+ gradlePluginPortal()
+ }
+}

build-logic/src/main/kotlin/com/gabrielfeo/kotlin-jvm-library.gradle.kts

@@ -0,0 +1,5 @@
+package com.gabrielfeo
+
+plugins {
+ id("org.jetbrains.kotlin.jvm")
+}

build-logic/src/main/kotlin/com/gabrielfeo/test-suites.gradle.kts

@@ -0,0 +1,40 @@
+package com.gabrielfeo
+
+plugins {
+ id("org.jetbrains.kotlin.jvm")
+ `java-test-fixtures`
+}
+
+testing {
+ suites {
+ // 'test' is registered by default
+ register<JvmTestSuite>("integrationTest")
+ withType<JvmTestSuite>().configureEach {
+ useKotlinTest()
+ }
+ }
+}
+
+tasks.named("check") {
+ dependsOn("integrationTest")
+}
+
+kotlin {
+ target {
+ val main by compilations.getting
+ val integrationTest by compilations.getting
+ val test by compilations.getting
+ val testFixtures by compilations.getting
+ test.associateWith(main)
+ test.associateWith(testFixtures)
+ integrationTest.associateWith(main)
+ integrationTest.associateWith(testFixtures)
+ testFixtures.associateWith(main)
+ }
+}
+
+// TODO Unapply test-fixtures and delete the source set, since we're not publishing it?
+components.getByName<AdhocComponentWithVariants>("java").apply {
+ withVariantsFromConfiguration(configurations["testFixturesApiElements"]) { skip() }
+ withVariantsFromConfiguration(configurations["testFixturesRuntimeElements"]) { skip() }
+}

build.gradle.kts

@@ -1,5 +1,4 @@
 plugins {
- id("org.jetbrains.kotlin.jvm") version "1.9.23" apply false
  id("org.jetbrains.dokka") version "1.9.20" apply false
  id("org.openapi.generator") version "7.3.0" apply false
 }

library/build.gradle.kts

@@ -5,13 +5,13 @@ import org.jetbrains.dokka.DokkaConfiguration.Visibility.PUBLIC
 import org.jetbrains.dokka.gradle.DokkaTask
 
 plugins {
- id("org.jetbrains.kotlin.jvm")
+ id("com.gabrielfeo.kotlin-jvm-library")
+ id("com.gabrielfeo.test-suites")
  id("org.jetbrains.dokka")
  id("org.openapi.generator")
  `java-library`
- `java-test-fixtures`
  `maven-publish`
- `signing`
+ signing
 }
 
 val repoUrl = "https://github.com/gabrielfeo/gradle-enterprise-api-kotlin"
@@ -158,11 +158,6 @@ java {
  }
 }
 
-components.getByName<AdhocComponentWithVariants>("java").apply {
- withVariantsFromConfiguration(configurations["testFixturesApiElements"]) { skip() }
- withVariantsFromConfiguration(configurations["testFixturesRuntimeElements"]) { skip() }
-}
-
 tasks.withType<DokkaTask>().configureEach {
  dokkaSourceSets.all {
  sourceLink {
@@ -189,45 +184,6 @@ tasks.named<Jar>("javadocJar") {
  from(tasks.dokkaHtml)
 }
 
-testing {
- suites {
- getByName<JvmTestSuite>("test") {
- dependencies {
- implementation("com.squareup.okhttp3:mockwebserver:4.12.0")
- implementation("com.squareup.okio:okio:3.9.0")
- implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.0")
- }
- }
- register<JvmTestSuite>("integrationTest") {
- dependencies {
- implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.0")
- implementation("com.google.guava:guava:33.1.0-jre")
- }
- }
- withType<JvmTestSuite>().configureEach {
- useKotlinTest()
- }
- }
-}
-
-kotlin {
- target {
- val main by compilations.getting
- val integrationTest by compilations.getting
- val test by compilations.getting
- val testFixtures by compilations.getting
- test.associateWith(main)
- test.associateWith(testFixtures)
- integrationTest.associateWith(main)
- integrationTest.associateWith(testFixtures)
- testFixtures.associateWith(main)
- }
-}
-
-tasks.named("check") {
- dependsOn("integrationTest")
-}
-
 tasks.named<Test>("integrationTest") {
  jvmArgs("-Xmx512m")
  environment("GRADLE_ENTERPRISE_API_LOG_LEVEL", "DEBUG")
@@ -253,6 +209,11 @@ dependencies {
  api("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.0")
  implementation("org.slf4j:slf4j-api:2.0.11")
  implementation("ch.qos.logback:logback-classic:1.4.14")
+ testImplementation("com.squareup.okhttp3:mockwebserver:4.12.0")
+ testImplementation("com.squareup.okio:okio:3.9.0")
+ testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.0")
+ integrationTestImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.0")
+ integrationTestImplementation("com.google.guava:guava:33.1.0-jre")
 }
 
 publishing {

settings.gradle.kts

@@ -1,3 +1,7 @@
+pluginManagement {
+ includeBuild("./build-logic")
+}
+
 plugins {
  id("com.gradle.enterprise") version("3.13.2")
  id("org.gradle.toolchains.foojay-resolver-convention") version("0.4.0")