Build: Use fake ideaHome for tests with intellij build number only

#KTI-82

benchmarks/build.gradle.kts

@@ -74,14 +74,17 @@ tasks.matching { it is Zip && it.name == "mainBenchmarkJar" }.configureEach {
 val benchmarkTasks = listOf("mainBenchmark", "mainFirBenchmark", "mainNiBenchmark")
 tasks.matching { it is JavaExec && it.name in benchmarkTasks }.configureEach {
     this as JavaExec
-    systemProperty("idea.home.path", intellijRootDir().canonicalPath)
+    dependsOn(":createIdeaHomeForTests")
+    systemProperty("idea.home.path", ideaHomePathForTests().canonicalPath)
 }
 
 tasks.register<JavaExec>("runBenchmark") {
+    dependsOn(":createIdeaHomeForTests")
+
     // jmhArgs example: -PjmhArgs='CommonCalls -p size=500 -p isIR=true -p useNI=true -f 1'
     val jmhArgs = if (project.hasProperty("jmhArgs")) project.property("jmhArgs").toString() else ""
     val resultFilePath = "$buildDir/benchmarks/jmh-result.json"
-    val ideaHome = intellijRootDir().canonicalPath
+    val ideaHome = ideaHomePathForTests().canonicalPath
 
     val benchmarkJarPath = "$buildDir/benchmarks/main/jars/benchmarks.jar"
     args = mutableListOf("-Didea.home.path=$ideaHome", benchmarkJarPath, "-rf", "json", "-rff", resultFilePath) + jmhArgs.split("\\s".toRegex())

build.gradle.kts

@@ -627,6 +627,13 @@ val syncMutedTests = tasks.register("syncMutedTests") {
     dependsOn(":compiler:tests-mutes:tc-integration:run")
 }
 
+tasks.register("createIdeaHomeForTests") {
+    outputs.file(ideaBuildNumberFileForTests())
+    doFirst {
+        writeIdeaBuildNumberForTests()
+    }
+}
+
 tasks {
     named<Delete>("clean") {
         delete += setOf("$buildDir/repo", distDir)

buildSrc/src/main/kotlin/localDependencies.kt

@@ -113,4 +113,11 @@ object IntellijRootUtils {
     }
 }
 
-fun Project.intellijRootDir() = IntellijRootUtils.getIntellijRootDir(project)
+fun Project.ideaHomePathForTests() = rootProject.buildDir.resolve("ideaHomeForTests")
+
+fun Project.ideaBuildNumberFileForTests() = File(ideaHomePathForTests(), "build.txt")
+
+fun Project.writeIdeaBuildNumberForTests() {
+    ideaHomePathForTests().mkdirs()
+    ideaBuildNumberFileForTests().writeText("IC-${rootProject.extra["versions.intellijSdk"]}")
+}

buildSrc/src/main/kotlin/tasks.kt

@@ -110,6 +110,8 @@ fun Project.projectTest(
         evaluationDependsOn(":test-instrumenter")
     }
     return getOrCreateTask<Test>(taskName) {
+        dependsOn(":createIdeaHomeForTests")
+
         doFirst {
             if (jUnitMode == JUnitMode.JUnit5) return@doFirst
 
@@ -177,7 +179,7 @@ fun Project.projectTest(
 
         maxHeapSize = "1600m"
         systemProperty("idea.is.unit.test", "true")
-        systemProperty("idea.home.path", project.intellijRootDir().canonicalPath)
+        systemProperty("idea.home.path", project.ideaHomePathForTests().canonicalPath)
         systemProperty("java.awt.headless", "true")
         environment("NO_FS_ROOTS_ACCESS_CHECK", "true")
         environment("PROJECT_CLASSES_DIRS", project.testSourceSet.output.classesDirs.asPath)

compiler/fir/raw-fir/light-tree2fir/build.gradle.kts

@@ -108,7 +108,9 @@ val jmhCompile by tasks.registering(JavaCompile::class) {
 }
 
 val jmhExec by tasks.registering(JavaExec::class) {
+    dependsOn(":createIdeaHomeForTests")
     dependsOn(tasks["compileTestJava"])
+
     doFirst {
         classpath = files(
             tasks["compactClasspath"].outputs.files.singleFile.absolutePath,
@@ -120,7 +122,7 @@ val jmhExec by tasks.registering(JavaExec::class) {
     main = "org.openjdk.jmh.Main"
 
     workingDir = rootDir
-    systemProperty("idea.home.path", project.intellijRootDir().absolutePath)
+    systemProperty("idea.home.path", project.ideaHomePathForTests().absolutePath)
     systemProperty("idea.max.intellisense.filesize", 5000 * 1024)
     configurations.plusAssign(project.configurations["api"])
 }

compiler/tests-java8/build.gradle.kts

@@ -25,7 +25,6 @@ projectTest(parallel = true) {
     dependsOn(":dist")
     workingDir = rootDir
     systemProperty("kotlin.test.script.classpath", testSourceSet.output.classesDirs.joinToString(File.pathSeparator))
-    systemProperty("idea.home.path", intellijRootDir().canonicalPath)
 }
 
 val generateTests by generator("org.jetbrains.kotlin.generators.tests.GenerateJava8TestsKt")

gradle/jps.gradle.kts

@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.ideaExt.*
 val ideaPluginDir: File by extra
 val ideaSandboxDir: File by extra
 val ideaSdkPath: String
-    get() = IntellijRootUtils.getIntellijRootDir(rootProject).absolutePath
+    get() = rootProject.ideaHomePathForTests().absolutePath
 
 fun JUnit.configureForKotlin(xmx: String = "1600m") {
     vmParameters = listOf(
@@ -135,6 +135,8 @@ if (kotlinBuildProperties.isInJpsBuildIdeaSync) {
 
     rootProject.afterEvaluate {
 
+        writeIdeaBuildNumberForTests()
+
         setupFirRunConfiguration()
         setupGenerateAllTestsRunConfiguration()
 

gradle/modularizedTestConfigurations.gradle.kts

@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.ideaExt.*
 val ideaPluginDir: File by extra
 val ideaSandboxDir: File by extra
 val ideaSdkPath: String
-    get() = IntellijRootUtils.getIntellijRootDir(rootProject).absolutePath
+    get() = rootProject.ideaHomePathForTests().absolutePath
 
 fun MutableList<String>.addModularizedTestArgs(prefix: String, path: String, additionalParameters: Map<String, String>, benchFilter: String?) {
     add("-${prefix}fir.bench.prefix=$path")

plugins/android-extensions/android-extensions-compiler/build.gradle.kts

@@ -62,15 +62,14 @@ projectTest {
     workingDir = rootDir
     useAndroidJar()
 
-    val androidPluginPath = File(intellijRootDir(), "plugins/android/lib").canonicalPath
-    systemProperty("ideaSdk.androidPlugin.path", androidPluginPath)
-
     val androidExtensionsRuntimeProvider = project.provider {
         androidExtensionsRuntimeForTests.asPath
     }
+
     val robolectricClasspathProvider = project.provider {
         robolectricClasspath.asPath
     }
+
     doFirst {
         systemProperty("androidExtensionsRuntime.classpath", androidExtensionsRuntimeProvider.get())
         systemProperty("robolectric.classpath", robolectricClasspathProvider.get())

plugins/parcelize/parcelize-compiler/build.gradle.kts

@@ -106,9 +106,6 @@ projectTest(jUnitMode = JUnitMode.JUnit5) {
     workingDir = rootDir
     useAndroidJar()
 
-    val androidPluginPath = File(intellijRootDir(), "plugins/android/lib").canonicalPath
-    systemProperty("ideaSdk.androidPlugin.path", androidPluginPath)
-
     val parcelizeRuntimeForTestsProvider = project.provider { parcelizeRuntimeForTests.asPath }
     val robolectricClasspathProvider = project.provider { robolectricClasspath.asPath }
     doFirst {