Add configuration cache support to the default build options.

^KT-45744 In Progress

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

@@ -9,6 +9,7 @@ import org.gradle.api.logging.LogLevel
 import org.gradle.api.logging.configuration.WarningMode
 import org.gradle.internal.impldep.org.junit.platform.commons.support.AnnotationSupport.findAnnotation
 import org.gradle.util.GradleVersion
+import org.jetbrains.kotlin.gradle.BaseGradleIT
 import org.jetbrains.kotlin.gradle.KOTLIN_VERSION
 import org.jetbrains.kotlin.gradle.utils.minSupportedGradleVersion
 import org.jetbrains.kotlin.test.WithMuteInDatabase
@@ -39,9 +40,13 @@ abstract class KGPBaseTest {
     data class BuildOptions(
         val logLevel: LogLevel = LogLevel.INFO,
         val kotlinVersion: String = KOTLIN_VERSION,
-        val warningMode: WarningMode = WarningMode.Fail
+        val warningMode: WarningMode = WarningMode.Fail,
+        val configurationCache: Boolean = false,
+        val configurationCacheProblems: BaseGradleIT.ConfigurationCacheProblems = BaseGradleIT.ConfigurationCacheProblems.FAIL
     ) {
-        fun toArguments(): List<String> {
+        fun toArguments(
+            gradleVersion: GradleVersion
+        ): List<String> {
             val arguments = mutableListOf<String>()
             when (logLevel) {
                 LogLevel.DEBUG -> arguments.add("--debug")
@@ -58,6 +63,11 @@ abstract class KGPBaseTest {
                 WarningMode.None -> arguments.add("--warning-mode=none")
             }
 
+            if (gradleVersion >= GradleVersion.version("6.6.0")) {
+                arguments.add("-Dorg.gradle.unsafe.configuration-cache=$configurationCache")
+                arguments.add("-Dorg.gradle.unsafe.configuration-cache-problems=${configurationCacheProblems.name.toLowerCase()}")
+            }
+
             return arguments.toList()
         }
     }

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

@@ -94,7 +94,7 @@ class TestProject(
 private fun TestProject.commonBuildSetup(
     buildArguments: List<String>
 ): List<String> {
-    val buildOptionsArguments = buildOptions.toArguments()
+    val buildOptionsArguments = buildOptions.toArguments(gradleVersion)
     val allBuildArguments = buildOptionsArguments + buildArguments + "--full-stacktrace"
 
     println("<=== Test build: ${this.projectName} ===>")