[Gradle] Move basic configuration cache IT scenario to helpers file

#KT-45745 In Progress

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/ConfigurationCacheIT.kt

@@ -9,11 +9,6 @@ import org.gradle.util.GradleVersion
 import org.jetbrains.kotlin.gradle.targets.js.dukat.ExternalsOutputFormat
 import org.jetbrains.kotlin.gradle.testbase.*
 import org.junit.jupiter.api.DisplayName
-import java.net.URI
-import java.nio.file.Path
-import kotlin.io.path.ExperimentalPathApi
-import kotlin.io.path.name
-import kotlin.test.fail
 
 @DisplayName("Configuration cache")
 class ConfigurationCacheIT : AbstractConfigurationCacheIT() {
@@ -231,61 +226,11 @@ abstract class AbstractConfigurationCacheIT : KGPBaseTest() {
         checkUpToDateOnRebuild: Boolean = true,
         buildOptions: BuildOptions = defaultBuildOptions
     ) {
-        // First, run a build that serializes the tasks state for instant execution in further builds
-
-        val executedTask: List<String> = executedTaskNames ?: taskNames.toList()
-
-        build(*taskNames, buildOptions = buildOptions) {
-            assertTasksExecuted(*executedTask.toTypedArray())
-            assertOutputContains(
-                "Calculating task graph as no configuration cache is available for tasks: ${taskNames.joinToString(separator = " ")}"
-            )
-            assertInstantExecutionSucceeded()
-        }
-
-        build("clean", buildOptions = buildOptions)
-
-        // Then run a build where tasks states are deserialized to check that they work correctly in this mode
-        build(*taskNames, buildOptions = buildOptions) {
-            assertTasksExecuted(*executedTask.toTypedArray())
-            assertOutputContains("Reusing configuration cache.")
-        }
-
-        if (checkUpToDateOnRebuild) {
-            build(*taskNames, buildOptions = buildOptions) {
-                assertTasksUpToDate(*executedTask.toTypedArray())
-            }
-        }
+        assertSimpleConfigurationCacheScenarioWorks(
+            *taskNames,
+            executedTaskNames = executedTaskNames,
+            checkUpToDateOnRebuild = checkUpToDateOnRebuild,
+            buildOptions = buildOptions,
+        )
     }
-
-    private fun GradleProject.assertInstantExecutionSucceeded() {
-        instantExecutionReportFile?.let { htmlReportFile ->
-            fail("Instant execution problems were found, check ${htmlReportFile.asClickableFileUrl} for details.")
-        }
-    }
-
-    /**
-     * Copies all files from the directory containing the given [htmlReportFile] to a
-     * fresh temp dir and returns a reference to the copied [htmlReportFile] in the new
-     * directory.
-     */
-    @OptIn(ExperimentalPathApi::class)
-    private fun copyReportToTempDir(htmlReportFile: Path): Path =
-        createTempDir("report").let { tempDir ->
-            htmlReportFile.parent.toFile().copyRecursively(tempDir.toFile())
-            tempDir.resolve(htmlReportFile.name)
-        }
-
-    /**
-     * The instant execution report file, if exists, indicates problems were
-     * found while caching the task graph.
-     */
-    private val GradleProject.instantExecutionReportFile 
-        get() = projectPath
-            .resolve("build")
-            .findInPath("configuration-cache-report.html")
-            ?.let { copyReportToTempDir(it) }
-    
-    private val Path.asClickableFileUrl
-        get() = URI("file", "", toUri().path, null, null).toString()
 }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/JvmTargetValidationTest.kt

@@ -246,10 +246,7 @@ class JvmTargetValidationTest : KGPBaseTest() {
         project(
             projectName = "simple".fullProjectName,
             gradleVersion = gradleVersion,
-            buildOptions = defaultBuildOptions.copy(
-                configurationCache = true,
-                configurationCacheProblems = BaseGradleIT.ConfigurationCacheProblems.FAIL
-            ),
+            buildOptions = defaultBuildOptions.withConfigurationCache,
             buildJdk = getJdk11().javaHome // should differ from default Kotlin jvm target value
         ) {
             // Validation mode should be 'warning' because of https://github.com/gradle/gradle/issues/9339

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/Kapt3IT.kt

@@ -844,10 +844,7 @@ open class Kapt3IT : Kapt3BaseIT() {
         project(
             "incrementalRebuild".withPrefix,
             gradleVersion,
-            buildOptions = defaultBuildOptions.copy(
-                configurationCache = true,
-                configurationCacheProblems = BaseGradleIT.ConfigurationCacheProblems.FAIL
-            )
+            buildOptions = defaultBuildOptions.withConfigurationCache
         ) {
             build("assemble")
 

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinJavaToolchainTest.kt

@@ -592,10 +592,7 @@ class KotlinJavaToolchainTest : KGPBaseTest() {
         project(
             projectName = "simple".fullProjectName,
             gradleVersion = gradleVersion,
-            buildOptions = defaultBuildOptions.copy(
-                configurationCache = true,
-                configurationCacheProblems = BaseGradleIT.ConfigurationCacheProblems.FAIL
-            )
+            buildOptions = defaultBuildOptions.withConfigurationCache
         ) {
             useToolchainExtension(15)
 
@@ -618,10 +615,7 @@ class KotlinJavaToolchainTest : KGPBaseTest() {
         project(
             projectName = "simple".fullProjectName,
             gradleVersion = gradleVersion,
-            buildOptions = defaultBuildOptions.copy(
-                configurationCache = true,
-                configurationCacheProblems = BaseGradleIT.ConfigurationCacheProblems.FAIL
-            )
+            buildOptions = defaultBuildOptions.withConfigurationCache
         ) {
             //language=properties
             gradleProperties.append(

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/testbase/configurationCacheHelpers.kt

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.testbase
+
+import org.jetbrains.kotlin.gradle.BaseGradleIT
+import java.net.URI
+import java.nio.file.Path
+import kotlin.io.path.ExperimentalPathApi
+import kotlin.io.path.name
+import kotlin.test.fail
+
+/**
+ * Tests whether configuration cache for the tasks specified by [buildArguments] works on simple scenario when project is built twice non-incrementally.
+ */
+fun TestProject.assertSimpleConfigurationCacheScenarioWorks(
+    vararg buildArguments: String,
+    buildOptions: BuildOptions,
+    executedTaskNames: List<String>? = null,
+    checkUpToDateOnRebuild: Boolean = true,
+) {
+    // First, run a build that serializes the tasks state for configuration cache in further builds
+
+    val executedTask: List<String> = executedTaskNames ?: buildArguments.toList()
+
+    build(*buildArguments, buildOptions = buildOptions) {
+        assertTasksExecuted(*executedTask.toTypedArray())
+        assertOutputContains(
+            "Calculating task graph as no configuration cache is available for tasks: ${buildArguments.joinToString(separator = " ")}"
+        )
+        assertConfigurationCacheSucceeded()
+    }
+
+    build("clean", buildOptions = buildOptions)
+
+    // Then run a build where tasks states are deserialized to check that they work correctly in this mode
+    build(*buildArguments, buildOptions = buildOptions) {
+        assertTasksExecuted(*executedTask.toTypedArray())
+        assertOutputContains("Reusing configuration cache.")
+    }
+
+    if (checkUpToDateOnRebuild) {
+        build(*buildArguments, buildOptions = buildOptions) {
+            assertTasksUpToDate(*executedTask.toTypedArray())
+        }
+    }
+}
+
+/**
+ * Copies all files from the directory containing the given [htmlReportFile] to a
+ * fresh temp dir and returns a reference to the copied [htmlReportFile] in the new
+ * directory.
+ */
+@OptIn(ExperimentalPathApi::class)
+private fun copyReportToTempDir(htmlReportFile: Path): Path =
+    createTempDir("report").let { tempDir ->
+        htmlReportFile.parent.toFile().copyRecursively(tempDir.toFile())
+        tempDir.resolve(htmlReportFile.name)
+    }
+
+/**
+ * The configuration cache report file, if exists, indicates problems were
+ * found while caching the task graph.
+ */
+private val GradleProject.configurationCacheReportFile
+    get() = projectPath
+        .resolve("build")
+        .findInPath("configuration-cache-report.html")
+        ?.let { copyReportToTempDir(it) }
+
+private val Path.asClickableFileUrl
+    get() = URI("file", "", toUri().path, null, null).toString()
+
+private fun GradleProject.assertConfigurationCacheSucceeded() {
+    configurationCacheReportFile?.let { htmlReportFile ->
+        fail("Configuration cache problems were found, check ${htmlReportFile.asClickableFileUrl} for details.")
+    }
+}
+
+val BuildOptions.withConfigurationCache: BuildOptions
+    get() = copy(configurationCache = true, configurationCacheProblems = BaseGradleIT.ConfigurationCacheProblems.FAIL)