[Gradle] Add Gradle integration tests with precise compilation outputs backup

#KT-49785 In Progress

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

@@ -14,7 +14,7 @@ import kotlin.io.path.exists
 
 @DisplayName("Compiler plugin incremental compilation")
 @OtherGradlePluginTests
-class CompilerPluginsIncrementalIT : KGPBaseTest() {
+open class CompilerPluginsIncrementalIT : KGPBaseTest() {
     override val defaultBuildOptions: BuildOptions
         get() = super.defaultBuildOptions.copy(
             incremental = true
@@ -68,3 +68,8 @@ class CompilerPluginsIncrementalIT : KGPBaseTest() {
 
     private val String.prefix get() = "compilerPlugins/$this"
 }
+
+@DisplayName("Compiler plugin incremental compilation with precise compilation outputs backup")
+class CompilerPluginsIncrementalWithPreciseBackupIT : CompilerPluginsIncrementalIT() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}

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

@@ -12,7 +12,7 @@ import java.nio.file.Path
 import kotlin.io.path.*
 
 @JsGradlePluginTests
-class IncrementalCompilationJsMultiProjectIT : BaseIncrementalCompilationMultiProjectIT() {
+open class IncrementalCompilationJsMultiProjectIT : BaseIncrementalCompilationMultiProjectIT() {
     override val defaultProjectName: String = "incrementalMultiproject"
 
     override fun defaultProject(
@@ -136,6 +136,10 @@ class IncrementalCompilationJsMultiProjectIT : BaseIncrementalCompilationMultiPr
     }
 }
 
+class IncrementalCompilationJsMultiProjectWithPreciseBackupIT : IncrementalCompilationJsMultiProjectIT() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}
+
 @JvmGradlePluginTests
 open class IncrementalCompilationJvmMultiProjectIT : BaseIncrementalCompilationMultiProjectIT() {
     override val additionalLibDependencies: String =
@@ -275,11 +279,15 @@ open class IncrementalCompilationJvmMultiProjectIT : BaseIncrementalCompilationM
     }
 }
 
+class IncrementalCompilationJvmMultiProjectWithPreciseBackupIT : IncrementalCompilationJvmMultiProjectIT() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}
+
 class IncrementalCompilationFirJvmMultiProjectIT : IncrementalCompilationJvmMultiProjectIT() {
     override val defaultBuildOptions: BuildOptions = super.defaultBuildOptions.copy(useFir = true)
 }
 
-class IncrementalCompilationOldICJvmMultiProjectIT : IncrementalCompilationJvmMultiProjectIT() {
+open class IncrementalCompilationOldICJvmMultiProjectIT : IncrementalCompilationJvmMultiProjectIT() {
 
     override val defaultBuildOptions = super.defaultBuildOptions.copy(useGradleClasspathSnapshot = false)
 
@@ -412,6 +420,10 @@ class IncrementalCompilationOldICJvmMultiProjectIT : IncrementalCompilationJvmMu
     }
 }
 
+class IncrementalCompilationOldICJvmMultiProjectWithPreciseBackupIT : IncrementalCompilationOldICJvmMultiProjectIT() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}
+
 abstract class BaseIncrementalCompilationMultiProjectIT : IncrementalCompilationBaseIT() {
 
     protected abstract val compileKotlinTaskName: String

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

@@ -91,6 +91,11 @@ open class IncrementalJavaChangeDefaultIT : IncrementalCompilationJavaChangesBas
     }
 }
 
+@DisplayName("Default incremental compilation with precise compilation outputs backup")
+open class IncrementalJavaChangePreciseCompilationBackupIT : IncrementalJavaChangeDefaultIT() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}
+
 @DisplayName("Incremental compilation via classpath snapshots with default precise java tracking")
 class IncrementalJavaChangeOldICIT : IncrementalJavaChangeDefaultIT() {
 

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

@@ -388,3 +388,8 @@ open class KaptIncrementalIT : KGPBaseTest() {
 
     val TestProject.kaptGeneratedToPath get() = projectPath.resolve("build/generated/source/kapt")
 }
+
+@DisplayName("Kapt incremental compilation with precise compilation outputs backup")
+class KaptIncrementalWithPreciseBackupIT : KaptIncrementalIT() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}

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

@@ -21,7 +21,7 @@ import kotlin.test.assertEquals
 import kotlin.test.assertTrue
 
 @DisplayName("Kapt incremental tests with aggregating apt")
-class KaptIncrementalWithAggregatingApt : KaptIncrementalIT() {
+open class KaptIncrementalWithAggregatingApt : KaptIncrementalIT() {
 
     override val defaultBuildOptions = super.defaultBuildOptions.copy(
         incremental = true,
@@ -389,3 +389,8 @@ class KaptIncrementalWithAggregatingApt : KaptIncrementalIT() {
         }
     }
 }
+
+@DisplayName("Kapt incremental tests with aggregating apt with precise compilation outputs backup")
+class KaptIncrementalWithAggregatingAptAndPreciseBackup : KaptIncrementalWithAggregatingApt() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}

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

@@ -24,7 +24,7 @@ import kotlin.io.path.*
 import kotlin.test.assertEquals
 
 @DisplayName("Kapt incremental tests with isolating apt")
-class KaptIncrementalWithIsolatingApt : KaptIncrementalIT() {
+open class KaptIncrementalWithIsolatingApt : KaptIncrementalIT() {
 
     override val defaultBuildOptions = super.defaultBuildOptions.copy(
         incremental = true,
@@ -429,6 +429,11 @@ class KaptIncrementalWithIsolatingApt : KaptIncrementalIT() {
     }
 }
 
+@DisplayName("Kapt incremental tests with isolating apt with precise compilation outputs backup")
+class KaptIncrementalWithIsolatingAptAndPreciseBackup : KaptIncrementalWithIsolatingApt() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}
+
 private const val patternApt = "Processing java sources with annotation processors:"
 fun getProcessedSources(output: String): Set<String> {
     return output.lines().filter { it.contains(patternApt) }.flatMapTo(HashSet()) { logging ->

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/android/Kapt3AndroidIncrementalIT.kt

@@ -18,7 +18,7 @@ import kotlin.io.path.writeText
 
 @DisplayName("android with kapt3 incremental build tests")
 @AndroidGradlePluginTests
-class Kapt3AndroidIncrementalIT : Kapt3BaseIT() {
+open class Kapt3AndroidIncrementalIT : Kapt3BaseIT() {
     @DisplayName("stubs generation is incremental on changes in android variant java sources")
     @GradleAndroidTest
     fun generateStubsTaskShouldRunIncrementallyOnChangesInAndroidVariantJavaSources(
@@ -203,3 +203,8 @@ class Kapt3AndroidIncrementalIT : Kapt3BaseIT() {
         }
     }
 }
+
+@DisplayName("android with kapt3 incremental build tests with precise compilation outputs backup")
+class Kapt3AndroidIncrementalWithPreciseBackupIT : Kapt3AndroidIncrementalIT() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}

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

@@ -8,16 +8,13 @@ package org.jetbrains.kotlin.gradle.android
 import org.gradle.api.logging.LogLevel
 import org.gradle.util.GradleVersion
 import org.jetbrains.kotlin.gradle.testbase.*
-import org.jetbrains.kotlin.gradle.util.getFileByName
-import org.jetbrains.kotlin.gradle.util.getFilesByNames
-import org.jetbrains.kotlin.gradle.util.modify
 import org.junit.jupiter.api.DisplayName
 import kotlin.io.path.appendText
 import kotlin.io.path.writeText
 
 @DisplayName("kotlin-android incremental compilation tests")
 @AndroidGradlePluginTests
-class KotlinAndroidIncrementalIT : KGPBaseTest() {
+open class KotlinAndroidIncrementalIT : KGPBaseTest() {
     @DisplayName("incremental compilation works with single-module android projects")
     @GradleAndroidTest
     fun testIncrementalCompilation(
@@ -181,3 +178,7 @@ class KotlinAndroidIncrementalIT : KGPBaseTest() {
         }
     }
 }
+
+class KotlinAndroidIncrementalWithPreciseBackupIT : KotlinAndroidIncrementalIT() {
+    override val defaultBuildOptions = super.defaultBuildOptions.copy(usePreciseOutputsBackup = true)
+}

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

@@ -38,6 +38,7 @@ data class BuildOptions(
     val usePreciseJavaTracking: Boolean? = null,
     val freeArgs: List<String> = emptyList(),
     val statisticsForceValidation: Boolean = true,
+    val usePreciseOutputsBackup: Boolean? = null,
 ) {
     data class KaptOptions(
         val verbose: Boolean = false,
@@ -144,6 +145,10 @@ data class BuildOptions(
             arguments.add("-Pkotlin_performance_profile_force_validation=true")
         }
 
+        if (usePreciseOutputsBackup != null) {
+            arguments.add("-Pkotlin.compiler.preciseCompilationResultsBackup=$usePreciseOutputsBackup")
+        }
+
         arguments.addAll(freeArgs)
 
         return arguments.toList()