[KAPT] Migrate tests in kapt3-base and kapt3-cli to JUnit 5

generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt

@@ -212,16 +212,6 @@ fun main(args: Array<String>) {
             }
         }
 
-        testGroup("plugins/kapt3/kapt3-cli/test", "plugins/kapt3/kapt3-cli/testData") {
-            testClass<AbstractArgumentParsingTest> {
-                model("argumentParsing", extension = "txt")
-            }
-
-            testClass<AbstractKaptToolIntegrationTest> {
-                model("integration", recursive = false, extension = null)
-            }
-        }
-
         testGroup("plugins/sam-with-receiver/tests-gen", "plugins/sam-with-receiver/testData") {
             testClass<AbstractSamWithReceiverScriptTest> {
                 model("script", extension = "kts")
@@ -464,5 +454,15 @@ fun main(args: Array<String>) {
                 model("codegen", excludedPattern = excludedFirTestdataPattern)
             }
         }
+
+        testGroup("plugins/kapt3/kapt3-cli/tests-gen", "plugins/kapt3/kapt3-cli/testData") {
+            testClass<AbstractArgumentParsingTest> {
+                model("argumentParsing", extension = "txt")
+            }
+
+            testClass<AbstractKaptToolIntegrationTest> {
+                model("integration", recursive = false, extension = null)
+            }
+        }
     }
 }

plugins/kapt3/kapt3-base/build.gradle.kts

@@ -7,11 +7,9 @@ dependencies {
     api(kotlinStdlib())
     compileOnly(toolsJarApi())
 
-    testApi(commonDependency("junit:junit"))
+    testApiJUnit5()
     testCompileOnly(toolsJarApi())
     testRuntimeOnly(toolsJar())
-
-    testCompileOnly(toolsJarApi())
 }
 
 sourceSets {
@@ -22,6 +20,7 @@ sourceSets {
 testsJar {}
 
 projectTest {
+    useJUnitPlatform()
     workingDir = rootDir
     dependsOn(":dist")
-}
+}

plugins/kapt3/kapt3-base/test/JavaKaptContextTest.kt

@@ -5,7 +5,6 @@
 
 package org.jetbrains.kotlin.kapt.base.test
 
-import junit.framework.TestCase
 import org.jetbrains.kotlin.base.kapt3.DetectMemoryLeaksMode
 import org.jetbrains.kotlin.base.kapt3.KaptFlag
 import org.jetbrains.kotlin.base.kapt3.KaptOptions
@@ -15,15 +14,16 @@ import org.jetbrains.kotlin.kapt3.base.incremental.DeclaredProcType
 import org.jetbrains.kotlin.kapt3.base.incremental.IncrementalProcessor
 import org.jetbrains.kotlin.kapt3.base.util.KaptBaseError
 import org.jetbrains.kotlin.kapt3.base.util.WriterBackedKaptLogger
-import org.junit.Test
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
 import java.io.File
 import java.nio.file.Files
 import javax.annotation.processing.AbstractProcessor
-import javax.annotation.processing.Processor
 import javax.annotation.processing.RoundEnvironment
 import javax.lang.model.element.TypeElement
 
-class JavaKaptContextTest : TestCase() {
+class JavaKaptContextTest {
     companion object {
         private val TEST_DATA_DIR = File("plugins/kapt3/kapt3-base/testData/runner")
         val logger = WriterBackedKaptLogger(isVerbose = true)
@@ -38,7 +38,7 @@ class JavaKaptContextTest : TestCase() {
                         for (annotatedElement in annotatedElements) {
                             val generatedClassName = annotatedElement.simpleName.toString().replaceFirstChar(Char::uppercaseChar) +
                                     annotationName.replaceFirstChar(Char::uppercaseChar)
-                            val file = processingEnv.filer.createSourceFile("generated." + generatedClassName)
+                            val file = processingEnv.filer.createSourceFile("generated.$generatedClassName")
                             file.openWriter().use {
                                 it.write(
                                     """
@@ -100,7 +100,11 @@ class JavaKaptContextTest : TestCase() {
         }
 
         try {
-            doAnnotationProcessing(File(TEST_DATA_DIR, "Simple.java"), IncrementalProcessor(processor, DeclaredProcType.NON_INCREMENTAL, logger), TEST_DATA_DIR)
+            doAnnotationProcessing(
+                File(TEST_DATA_DIR, "Simple.java"),
+                IncrementalProcessor(processor, DeclaredProcType.NON_INCREMENTAL, logger),
+                TEST_DATA_DIR
+            )
         } catch (e: KaptBaseError) {
             assertEquals(KaptBaseError.Kind.EXCEPTION, e.kind)
             assertEquals("Here we are!", e.cause!!.message)
@@ -123,4 +127,4 @@ class JavaKaptContextTest : TestCase() {
 
         assertTrue(triggered)
     }
-}
+}

plugins/kapt3/kapt3-base/test/KaptPathsTest.kt

@@ -5,14 +5,15 @@
 
 package org.jetbrains.kotlin.kapt.base.test
 
-import junit.framework.TestCase
 import org.jetbrains.kotlin.base.kapt3.KaptOptions
 import org.jetbrains.kotlin.base.kapt3.collectJavaSourceFiles
-import org.junit.Test
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Test
 import java.io.File
 import java.nio.file.Files
 
-class KaptPathsTest : TestCase() {
+class KaptPathsTest {
     @Test
     fun testSymbolicLinks() {
         if (System.getProperty("os.name").lowercase().contains("win")) return
@@ -49,8 +50,7 @@ class KaptPathsTest : TestCase() {
 
             fun assertContains(path: String) {
                 val available by lazy { javaSourceFiles.joinToString { it.toRelativeString(tempDir) } }
-                assertTrue("Can't find path $path\nAvailable: $available",
+                assertTrue(javaSourceFiles.any { it.toRelativeString(tempDir) == path }) { "Can't find path $path\nAvailable: $available" }
-                           javaSourceFiles.any { it.toRelativeString(tempDir) == path })
             }
 
             assertEquals(4, javaSourceFiles.size)
@@ -62,4 +62,4 @@ class KaptPathsTest : TestCase() {
             tempDir.deleteRecursively()
         }
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/FileUtils.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2022 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.kapt3.base
+
+import java.io.File
+
+fun File.newSourcesFolder(): File = newFolder("sources")
+fun File.newClassesFolder(): File = newFolder("classes")
+fun File.newStubsFolder(): File = newFolder("stubs")
+fun File.newCacheFolder(): File = newFolder("cache")
+fun File.newGeneratedSourcesFolder(): File = newFolder("generatedSources")
+fun File.newCompiledSourcesFolder(): File = newFolder("compiledSources")
+
+fun File.newFolder(name: String): File {
+    return resolve(name).also { it.mkdir() }
+}
+
+fun File.newFile(name: String): File {
+    return resolve(name).also { it.createNewFile() }
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/ProcessorLoaderTest.kt

@@ -6,80 +6,86 @@
 package org.jetbrains.kotlin.kapt3.base
 
 import org.jetbrains.kotlin.base.kapt3.KaptOptions
+import org.jetbrains.kotlin.kapt3.base.newClassesFolder
+import org.jetbrains.kotlin.kapt3.base.newFile
+import org.jetbrains.kotlin.kapt3.base.newSourcesFolder
+import org.jetbrains.kotlin.kapt3.base.newStubsFolder
 import org.jetbrains.kotlin.kapt3.base.util.WriterBackedKaptLogger
-import org.junit.Assert
+import org.junit.jupiter.api.Assertions.assertTrue
-import org.junit.Rule
+import org.junit.jupiter.api.Test
-import org.junit.Test
+import org.junit.jupiter.api.io.TempDir
-import org.junit.rules.TemporaryFolder
+import java.io.File
 import java.util.zip.ZipEntry
 import java.util.zip.ZipOutputStream
 
 class ProcessorLoaderTest {
-
-    @Rule
     @JvmField
-    val tmp = TemporaryFolder()
+    @TempDir
+    var _rootTempDirectory: File? = null
+
+    val rootTempDirectory: File
+        get() = _rootTempDirectory!!
 
     @Test
     fun testProcessorClasspath() {
         val kaptOptions = with(KaptOptions.Builder()) {
-            val jar = tmp.newFile("empty.jar").also {
+            val jar = rootTempDirectory.newFile("empty.jar").also {
                 ZipOutputStream(it.outputStream()).use {
                     it.putNextEntry(ZipEntry("fake_entry"))
                     it.closeEntry()
                 }
             }
             processingClasspath.add(jar)
-            sourcesOutputDir = tmp.newFolder()
+            sourcesOutputDir = rootTempDirectory.newSourcesFolder()
-            classesOutputDir = tmp.newFolder()
+            classesOutputDir = rootTempDirectory.newClassesFolder()
-            stubsOutputDir = tmp.newFolder()
+            stubsOutputDir = rootTempDirectory.newStubsFolder()
             build()
         }
         val loadedProcessors = ProcessorLoader(kaptOptions, WriterBackedKaptLogger(false)).loadProcessors()
-        Assert.assertTrue(loadedProcessors.processors.isEmpty())
+        assertTrue(loadedProcessors.processors.isEmpty())
     }
 
     @Test
     fun testProcessorUpperCaseExtensionClasspath() {
         val kaptOptions = with(KaptOptions.Builder()) {
-            val jar = tmp.newFile("empty.JAR").also {
+            val jar = rootTempDirectory.newFile("empty.JAR").also {
                 ZipOutputStream(it.outputStream()).use {
                     it.putNextEntry(ZipEntry("fake_entry"))
                     it.closeEntry()
                 }
             }
             processingClasspath.add(jar)
-            sourcesOutputDir = tmp.newFolder()
+            sourcesOutputDir = rootTempDirectory.newSourcesFolder()
-            classesOutputDir = tmp.newFolder()
+            classesOutputDir = rootTempDirectory.newClassesFolder()
-            stubsOutputDir = tmp.newFolder()
+            stubsOutputDir = rootTempDirectory.newStubsFolder()
             build()
         }
         val loadedProcessors = ProcessorLoader(kaptOptions, WriterBackedKaptLogger(false)).loadProcessors()
-        Assert.assertTrue(loadedProcessors.processors.isEmpty())
+        assertTrue(loadedProcessors.processors.isEmpty())
     }
 
     @Test
     fun testEmptyClasspath() {
         val kaptOptions = with(KaptOptions.Builder()) {
-            sourcesOutputDir = tmp.newFolder()
+            sourcesOutputDir = rootTempDirectory.newSourcesFolder()
-            classesOutputDir = tmp.newFolder()
+            classesOutputDir = rootTempDirectory.newClassesFolder()
-            stubsOutputDir = tmp.newFolder()
+            stubsOutputDir = rootTempDirectory.newStubsFolder()
             build()
         }
         val loadedProcessors = ProcessorLoader(kaptOptions, WriterBackedKaptLogger(false)).loadProcessors()
-        Assert.assertTrue(loadedProcessors.processors.isEmpty())
+        assertTrue(loadedProcessors.processors.isEmpty())
     }
 
     @Test
     fun testClasspathWithNonJars() {
         val kaptOptions = with(KaptOptions.Builder()) {
-            processingClasspath.add(tmp.newFile("do-not-load.gz"))
+            processingClasspath.add(rootTempDirectory.newFile("do-not-load.gz"))
-            sourcesOutputDir = tmp.newFolder()
+            sourcesOutputDir = rootTempDirectory.newSourcesFolder()
-            classesOutputDir = tmp.newFolder()
+            classesOutputDir = rootTempDirectory.newClassesFolder()
-            stubsOutputDir = tmp.newFolder()
+            stubsOutputDir = rootTempDirectory.newStubsFolder()
             build()
         }
         val loadedProcessors = ProcessorLoader(kaptOptions, WriterBackedKaptLogger(false)).loadProcessors()
-        Assert.assertTrue(loadedProcessors.processors.isEmpty())
+        assertTrue(loadedProcessors.processors.isEmpty())
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/AbstractTestWithGeneratedSourcesDir.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2010-2022 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.kapt3.base.incremental
+
+import org.junit.jupiter.api.io.TempDir
+import java.io.File
+
+abstract class AbstractTestWithGeneratedSourcesDir {
+    @TempDir
+    private var _generatedSources: File? = null
+
+    protected val generatedSources: File
+        get() = _generatedSources!!
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/AggregatingIncrementalProcessorTest.kt

@@ -3,28 +3,13 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.RuntimeProcType
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.Assert.assertEquals
+import org.junit.jupiter.api.Test
-import org.junit.Before
-import org.junit.Rule
-import org.junit.Test
-import org.junit.rules.TemporaryFolder
 import java.io.File
 
-class AggregatingIncrementalProcessorTest {
+class AggregatingIncrementalProcessorTest : AbstractTestWithGeneratedSourcesDir() {
-    @JvmField
-    @Rule
-    val tmp: TemporaryFolder = TemporaryFolder()
-
-    private lateinit var generatedSources: File
-
-    @Before
-    fun setUp() {
-        generatedSources = tmp.newFolder()
-    }
-
     @Test
     fun testDependenciesRecorded() {
         val srcFiles = listOf("User.java", "Address.java", "Observable.java").map { File(TEST_DATA_DIR, it) }
@@ -49,7 +34,7 @@ class AggregatingIncrementalProcessorTest {
         runAnnotationProcessing(srcFiles, listOf(aggregating), generatedSources)
 
         assertEquals(RuntimeProcType.AGGREGATING, aggregating.getRuntimeType())
-        assertEquals(emptyMap<File, File>(), aggregating.getGeneratedToSources())
+        assertEquals(emptyMap<File, String?>(), aggregating.getGeneratedToSources())
     }
 
     @Test
@@ -72,4 +57,4 @@ class AggregatingIncrementalProcessorTest {
             aggregating.getGeneratedToSources()
         )
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/AnnotationProcessorDependencyCollectorTest.kt

@@ -3,13 +3,11 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.AnnotationProcessorDependencyCollector
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.jetbrains.kotlin.kapt3.base.incremental.RuntimeProcType
+import org.junit.jupiter.api.Assertions.assertTrue
-import org.junit.Assert.assertEquals
+import org.junit.jupiter.api.Test
-import org.junit.Assert.assertTrue
-import org.junit.Test
 import java.io.File
 
 class AnnotationProcessorDependencyCollectorTest {
@@ -30,7 +28,7 @@ class AnnotationProcessorDependencyCollectorTest {
         isolating.add(File("GeneratedA.java").toURI(), emptyArray(), null)
 
         assertEquals(isolating.getRuntimeType(), RuntimeProcType.NON_INCREMENTAL)
-        assertEquals(isolating.getGeneratedToSources(), emptyMap<File, File?>())
+        assertEquals(isolating.getGeneratedToSources(), emptyMap<File, String?>())
         assertTrue(warnings.single().contains("Expected 1 originating source file when generating"))
     }
 
@@ -41,7 +39,7 @@ class AnnotationProcessorDependencyCollectorTest {
         nonIncremental.add(File("GeneratedB.java").toURI(), emptyArray(), null)
 
         assertEquals(nonIncremental.getRuntimeType(), RuntimeProcType.NON_INCREMENTAL)
-        assertEquals(nonIncremental.getGeneratedToSources(), emptyMap<File, File?>())
+        assertEquals(nonIncremental.getGeneratedToSources(), emptyMap<File, String?>())
     }
 }
 

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/DynamicIncrementalProcessorTest.kt

@@ -3,29 +3,13 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.RuntimeProcType
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.Assert.assertEquals
+import org.junit.jupiter.api.Test
-import org.junit.Before
-import org.junit.Rule
-import org.junit.Test
-import org.junit.rules.TemporaryFolder
 import java.io.File
 
-
+class DynamicIncrementalProcessorTest : AbstractTestWithGeneratedSourcesDir() {
-class DynamicIncrementalProcessorTest {
-    @JvmField
-    @Rule
-    val tmp: TemporaryFolder = TemporaryFolder()
-
-    private lateinit var generatedSources: File
-
-    @Before
-    fun setUp() {
-        generatedSources = tmp.newFolder()
-    }
-
     @Test
     fun testIfIsolating() {
         val srcFiles = listOf("User.java", "Address.java", "Observable.java").map { File(TEST_DATA_DIR, it) }
@@ -68,8 +52,8 @@ class DynamicIncrementalProcessorTest {
 
         assertEquals(RuntimeProcType.NON_INCREMENTAL, dynamic.getRuntimeType())
         assertEquals(
-            emptyMap<File, File>(),
+            emptyMap<File, String?>(),
             dynamic.getGeneratedToSources()
         )
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/IncrementalKaptTest.kt

@@ -3,40 +3,38 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
 import org.jetbrains.kotlin.base.kapt3.KaptFlag
 import org.jetbrains.kotlin.base.kapt3.KaptOptions
 import org.jetbrains.kotlin.base.kapt3.collectJavaSourceFiles
 import org.jetbrains.kotlin.kapt3.base.KaptContext
 import org.jetbrains.kotlin.kapt3.base.doAnnotationProcessing
-import org.jetbrains.kotlin.kapt3.base.incremental.RuntimeProcType
-import org.jetbrains.kotlin.kapt3.base.incremental.SourcesToReprocess
 import org.jetbrains.kotlin.kapt3.base.util.WriterBackedKaptLogger
-import org.junit.Assert.*
+import org.junit.jupiter.api.Assertions.*
-import org.junit.Rule
+import org.junit.jupiter.api.Test
-import org.junit.Test
+import org.junit.jupiter.api.io.TempDir
-import org.junit.rules.TemporaryFolder
+import java.io.File
 
 class IncrementalKaptTest {
-
-    @Rule
-    @JvmField
-    var tmp = TemporaryFolder()
-
     @Test
-    fun testIncrementalRun() {
+    fun testIncrementalRun(
-        val sourcesDir = tmp.newFolder().resolve("test").also { base ->
+        @TempDir baseSourcesDir: File,
+        @TempDir outputDir: File,
+        @TempDir incrementalCacheDir: File,
+        @TempDir projectBaseDirFirstRun: File,
+        @TempDir projectBaseDirSecondRun: File,
+        @TempDir classesOutput: File
+    ) {
+        val sourcesDir = baseSourcesDir.resolve("test").also { base ->
             base.mkdir()
             listOf("User.java", "Address.java", "Observable.java").map {
                 TEST_DATA_DIR.resolve(it).copyTo(base.resolve(it))
             }
         }
 
-        val outputDir = tmp.newFolder()
-        val incrementalCacheDir = tmp.newFolder()
         val options = KaptOptions.Builder().apply {
-            projectBaseDir = tmp.newFolder()
+            projectBaseDir = projectBaseDirFirstRun
             javaSourceRoots.add(sourcesDir)
 
             sourcesOutputDir = outputDir
@@ -54,15 +52,14 @@ class IncrementalKaptTest {
             )
         }
 
-        val classesOutput = tmp.newFolder()
+        compileSources(sourcesDir.listFiles().orEmpty().asIterable(), classesOutput)
-        compileSources(sourcesDir.listFiles().asIterable(), classesOutput)
 
         val addressTimestamp = outputDir.resolve("test/AddressGenerated.java").lastModified()
         assertTrue(outputDir.resolve("test/UserGenerated.java").exists())
         assertTrue(outputDir.resolve("test/AddressGenerated.java").exists())
 
         val optionsForSecondRun = KaptOptions.Builder().apply {
-            projectBaseDir = tmp.newFolder()
+            projectBaseDir = projectBaseDirSecondRun
 
             sourcesOutputDir = outputDir
             classesOutputDir = outputDir
@@ -98,18 +95,23 @@ class IncrementalKaptTest {
     }
 
     @Test
-    fun testGeneratedCompiledAreIgnored() {
+    fun testGeneratedCompiledAreIgnored(
-        val sourcesDir = tmp.newFolder().resolve("test").also { base ->
+        @TempDir baseSourcesDir: File,
+        @TempDir outputDir: File,
+        @TempDir incrementalCacheDir: File,
+        @TempDir projectBaseDirFirstRun: File,
+        @TempDir projectBaseDirSecondRun: File,
+        @TempDir classesOutput: File
+    ) {
+        val sourcesDir = baseSourcesDir.resolve("test").also { base ->
             base.mkdir()
             listOf("User.java", "Address.java", "Observable.java").map {
                 TEST_DATA_DIR.resolve(it).copyTo(base.resolve(it))
             }
         }
 
-        val outputDir = tmp.newFolder()
-        val incrementalCacheDir = tmp.newFolder()
         val options = KaptOptions.Builder().apply {
-            projectBaseDir = tmp.newFolder()
+            projectBaseDir = projectBaseDirFirstRun
             javaSourceRoots.add(sourcesDir)
 
             sourcesOutputDir = outputDir
@@ -127,15 +129,14 @@ class IncrementalKaptTest {
             )
         }
 
-        val classesOutput = tmp.newFolder()
+        compileSources(sourcesDir.listFiles().orEmpty().asIterable(), classesOutput)
-        compileSources(sourcesDir.listFiles().asIterable(), classesOutput)
         compileSources(
             listOf(outputDir.resolve("test/UserGenerated.java"), outputDir.resolve("test/AddressGenerated.java")),
             classesOutput
         )
 
         val optionsForSecondRun = KaptOptions.Builder().apply {
-            projectBaseDir = tmp.newFolder()
+            projectBaseDir = projectBaseDirSecondRun
 
             sourcesOutputDir = outputDir
             classesOutputDir = outputDir
@@ -152,7 +153,8 @@ class IncrementalKaptTest {
             assertFalse(outputDir.resolve("test/UserGenerated.java").exists())
 
             it.doAnnotationProcessing(
-                optionsForSecondRun.collectJavaSourceFiles(it.sourcesToReprocess), listOf(SimpleGeneratingIfTypeDoesNotExist().toIsolating())
+                optionsForSecondRun.collectJavaSourceFiles(it.sourcesToReprocess),
+                listOf(SimpleGeneratingIfTypeDoesNotExist().toIsolating())
             )
         }
 
@@ -161,18 +163,22 @@ class IncrementalKaptTest {
 
     /** Regression test for KT-31322. */
     @Test
-    fun testCleanupWithDynamicNonIncremental() {
+    fun testCleanupWithDynamicNonIncremental(
-        val sourcesDir = tmp.newFolder().resolve("test").also { base ->
+        @TempDir baseSourcesDir: File,
+        @TempDir outputDir: File,
+        @TempDir incrementalCacheDir: File,
+        @TempDir projectBaseDirFirstRun: File,
+        @TempDir projectBaseDirSecondRun: File
+    ) {
+        val sourcesDir = baseSourcesDir.resolve("test").also { base ->
             base.mkdir()
             listOf("User.java", "Address.java", "Observable.java").map {
                 TEST_DATA_DIR.resolve(it).copyTo(base.resolve(it))
             }
         }
 
-        val outputDir = tmp.newFolder()
-        val incrementalCacheDir = tmp.newFolder()
         val options = KaptOptions.Builder().apply {
-            projectBaseDir = tmp.newFolder()
+            projectBaseDir = projectBaseDirFirstRun
             javaSourceRoots.add(sourcesDir)
 
             sourcesOutputDir = outputDir
@@ -192,7 +198,7 @@ class IncrementalKaptTest {
         }
 
         val optionsForSecondRun = KaptOptions.Builder().apply {
-            projectBaseDir = tmp.newFolder()
+            projectBaseDir = projectBaseDirSecondRun
             javaSourceRoots.add(sourcesDir)
 
             sourcesOutputDir = outputDir
@@ -219,4 +225,4 @@ class IncrementalKaptTest {
 
         assertTrue(outputDir.resolve("test/UserGenerated.java").exists())
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/IncrementalProcessorDiscoveryTest.kt

@@ -3,14 +3,12 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.DeclaredProcType
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.jetbrains.kotlin.kapt3.base.incremental.getIncrementalProcessorsFromClasspath
+import org.junit.jupiter.api.Test
-import org.junit.Assert.assertEquals
+import org.junit.jupiter.api.io.TempDir
-import org.junit.Rule
+import java.io.File
-import org.junit.Test
-import org.junit.rules.TemporaryFolder
 import java.util.zip.ZipEntry
 import java.util.zip.ZipOutputStream
 
@@ -22,15 +20,11 @@ class IncrementalProcessorDiscoveryTest {
                     Input1Processor3,DYNAMIC
                     Input1Processor4,UNKNOWN
                     Input1Processor5 this is malformed input
-            """.trimIndent();
+            """.trimIndent()
-
-    @Rule
-    @JvmField
-    var tmp = TemporaryFolder()
 
     @Test
-    fun locateInJars() {
+    fun locateInJars(@TempDir tmp: File) {
-        val inputJar = tmp.root.resolve("inputJar.jar")
+        val inputJar = tmp.resolve("inputJar.jar")
         ZipOutputStream(inputJar.outputStream()).use {
             it.putNextEntry(ZipEntry("META-INF/gradle/incremental.annotation.processors"))
             it.write(markerFileContent.toByteArray())
@@ -53,8 +47,8 @@ class IncrementalProcessorDiscoveryTest {
     }
 
     @Test
-    fun locateInDir() {
+    fun locateInDir(@TempDir tmp: File) {
-        val inputDir = tmp.root.resolve("inputDir")
+        val inputDir = tmp.resolve("inputDir")
         inputDir.resolve("META-INF/gradle/incremental.annotation.processors").let {
             it.parentFile.mkdirs()
             it.writeText(markerFileContent)
@@ -76,15 +70,15 @@ class IncrementalProcessorDiscoveryTest {
     }
 
     @Test
-    fun locateInJarsAndDirs() {
+    fun locateInJarsAndDirs(@TempDir tmp: File) {
-        val inputJar = tmp.root.resolve("inputJar.jar")
+        val inputJar = tmp.resolve("inputJar.jar")
         ZipOutputStream(inputJar.outputStream()).use {
             it.putNextEntry(ZipEntry("META-INF/gradle/incremental.annotation.processors"))
             it.write("InputJarProcessor,ISOLATING".toByteArray())
             it.closeEntry()
         }
 
-        val inputDir = tmp.root.resolve("inputDir")
+        val inputDir = tmp.resolve("inputDir")
         inputDir.resolve("META-INF/gradle/incremental.annotation.processors").let {
             it.parentFile.mkdirs()
             it.writeText("InputDirProcessor,DYNAMIC")
@@ -102,4 +96,4 @@ class IncrementalProcessorDiscoveryTest {
             info
         )
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/InheritedAnnotationTest.kt

@@ -3,36 +3,30 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.JavaClassCacheManager
+import org.jetbrains.kotlin.kapt3.base.newCacheFolder
-import org.jetbrains.kotlin.kapt3.base.incremental.MentionedTypesTaskListener
+import org.jetbrains.kotlin.kapt3.base.newFolder
-import org.jetbrains.kotlin.kapt3.base.incremental.SourceFileStructure
+import org.jetbrains.kotlin.kapt3.base.newGeneratedSourcesFolder
-import org.junit.Assert.assertEquals
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.BeforeClass
+import org.junit.jupiter.api.BeforeAll
-import org.junit.ClassRule
+import org.junit.jupiter.api.Test
-import org.junit.Test
+import org.junit.jupiter.api.io.TempDir
-import org.junit.rules.TemporaryFolder
 import java.io.File
 
 private val MY_TEST_DIR = File("plugins/kapt3/kapt3-base/testData/runner/incremental/complex/inherited")
 
 class TestInheritedAnnotation {
-
     companion object {
-        @ClassRule
-        @JvmField
-        var tmp = TemporaryFolder()
-
         private lateinit var cache: JavaClassCacheManager
         private lateinit var generatedSources: File
 
         @JvmStatic
-        @BeforeClass
+        @BeforeAll
-        fun setUp() {
+        fun setUp(@TempDir tmp: File) {
-            val classpathHistory = tmp.newFolder()
+            val classpathHistory = tmp.newFolder("classpathHistory")
-            cache = JavaClassCacheManager(tmp.newFolder())
+            cache = JavaClassCacheManager(tmp.newCacheFolder())
-            generatedSources = tmp.newFolder()
+            generatedSources = tmp.newGeneratedSourcesFolder()
             cache.close()
             classpathHistory.resolve("0").createNewFile()
             val processor = SimpleProcessor().toAggregating()
@@ -64,4 +58,4 @@ class TestInheritedAnnotation {
             ), shouldInheritAnnotation.getMentionedTypes()
         )
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/IsolatingIncrementalProcessorTest.kt

@@ -3,28 +3,13 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.RuntimeProcType
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.Assert.assertEquals
+import org.junit.jupiter.api.Test
-import org.junit.Before
-import org.junit.Rule
-import org.junit.Test
-import org.junit.rules.TemporaryFolder
 import java.io.File
 
-class IsolationgIncrementalProcessorTest {
+class IsolationgIncrementalProcessorTest : AbstractTestWithGeneratedSourcesDir() {
-    @JvmField
-    @Rule
-    val tmp: TemporaryFolder = TemporaryFolder()
-
-    private lateinit var generatedSources: File
-
-    @Before
-    fun setUp() {
-        generatedSources = tmp.newFolder()
-    }
-
     @Test
     fun testDependenciesRecorded() {
         val srcFiles = listOf("User.java", "Address.java", "Observable.java").map { File(TEST_DATA_DIR, it) }
@@ -49,7 +34,7 @@ class IsolationgIncrementalProcessorTest {
         runAnnotationProcessing(srcFiles, listOf(isolating), generatedSources)
 
         assertEquals(RuntimeProcType.ISOLATING, isolating.getRuntimeType())
-        assertEquals(emptyMap<File, File>(), isolating.getGeneratedToSources())
+        assertEquals(emptyMap<File, String?>(), isolating.getGeneratedToSources())
     }
 
     @Test
@@ -80,7 +65,7 @@ class IsolationgIncrementalProcessorTest {
         runAnnotationProcessing(srcFiles, listOf(isolating), generatedSources)
 
         assertEquals(RuntimeProcType.NON_INCREMENTAL, isolating.getRuntimeType())
-        assertEquals(emptyMap<File, File>(), isolating.getGeneratedToSources())
+        assertEquals(emptyMap<File, String?>(), isolating.getGeneratedToSources())
     }
 
     @Test

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/JavaClassCacheManagerTest.kt

@@ -3,30 +3,26 @@
  * 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.kapt3.base.incremental;
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.junit.Assert.assertEquals
+import org.jetbrains.kotlin.kapt3.base.newCompiledSourcesFolder
-import org.junit.Assert.assertTrue
+import org.jetbrains.kotlin.kapt3.base.newFolder
-import org.junit.Before
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.Rule
+import org.junit.jupiter.api.Assertions.assertTrue
-import org.junit.Test
+import org.junit.jupiter.api.BeforeEach
-import org.junit.rules.TemporaryFolder
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.io.TempDir
 import java.io.File
 
 class JavaClassCacheManagerTest {
-
-    @Rule
-    @JvmField
-    var tmp = TemporaryFolder()
-
     private lateinit var cache: JavaClassCacheManager
     private lateinit var cacheDir: File
     private lateinit var compiledSources: List<File>
 
-    @Before
+    @BeforeEach
-    fun setUp() {
+    fun setUp(@TempDir tmp: File) {
-        cacheDir = tmp.newFolder()
+        cacheDir = tmp.newFolder("cacheDir")
-        compiledSources = listOf(tmp.newFolder().also { it.resolve(TEST_PACKAGE_NAME).mkdir() })
+        compiledSources = listOf(tmp.newCompiledSourcesFolder().also { it.resolve(TEST_PACKAGE_NAME).mkdir() })
         cache = JavaClassCacheManager(cacheDir)
     }
 
@@ -60,8 +56,10 @@ class JavaClassCacheManagerTest {
         }
         prepareForIncremental()
 
-        val dirtyFiles =
+        val dirtyFiles = cache.invalidateAndGetDirtyFiles(
-            cache.invalidateAndGetDirtyFiles(listOf(File("Mentioned.java").absoluteFile), emptyList(), compiledSources) as SourcesToReprocess.Incremental
+            listOf(File("Mentioned.java").absoluteFile),
+            emptyList(), compiledSources
+        ) as SourcesToReprocess.Incremental
         assertEquals(
             listOf(
                 File("Mentioned.java").absoluteFile,
@@ -93,7 +91,11 @@ class JavaClassCacheManagerTest {
         prepareForIncremental()
 
         val dirtyFiles =
-            cache.invalidateAndGetDirtyFiles(listOf(File("Mentioned.java").absoluteFile), emptyList(), compiledSources) as SourcesToReprocess.Incremental
+            cache.invalidateAndGetDirtyFiles(
+                listOf(File("Mentioned.java").absoluteFile),
+                emptyList(),
+                compiledSources
+            ) as SourcesToReprocess.Incremental
         assertEquals(
             listOf(
                 File("Mentioned.java").absoluteFile,
@@ -126,7 +128,11 @@ class JavaClassCacheManagerTest {
         prepareForIncremental()
 
         val dirtyFiles =
-            cache.invalidateAndGetDirtyFiles(listOf(File("TwoTypes.java").absoluteFile), emptyList(), compiledSources) as SourcesToReprocess.Incremental
+            cache.invalidateAndGetDirtyFiles(
+                listOf(File("TwoTypes.java").absoluteFile),
+                emptyList(),
+                compiledSources
+            ) as SourcesToReprocess.Incremental
         assertEquals(
             listOf(
                 File("TwoTypes.java").absoluteFile,
@@ -146,7 +152,8 @@ class JavaClassCacheManagerTest {
         }
         prepareForIncremental()
 
-        val dirtyFiles = cache.invalidateAndGetDirtyFiles(listOf(), listOf("test/Mentioned"), compiledSources) as SourcesToReprocess.Incremental
+        val dirtyFiles =
+            cache.invalidateAndGetDirtyFiles(listOf(), listOf("test/Mentioned"), compiledSources) as SourcesToReprocess.Incremental
         assertEquals(listOf(File("Src.java").absoluteFile), dirtyFiles.toReprocess)
     }
 
@@ -187,4 +194,4 @@ class JavaClassCacheManagerTest {
     }
 }
 
-private const val TEST_PACKAGE_NAME = "test"
+private const val TEST_PACKAGE_NAME = "test"

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/ReferencedContantsTest.kt

@@ -3,16 +3,15 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.JavaClassCacheManager
+import org.jetbrains.kotlin.kapt3.base.newCacheFolder
-import org.jetbrains.kotlin.kapt3.base.incremental.MentionedTypesTaskListener
+import org.jetbrains.kotlin.kapt3.base.newFolder
-import org.jetbrains.kotlin.kapt3.base.incremental.SourceFileStructure
+import org.jetbrains.kotlin.kapt3.base.newGeneratedSourcesFolder
-import org.junit.Assert.assertEquals
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.BeforeClass
+import org.junit.jupiter.api.BeforeAll
-import org.junit.ClassRule
+import org.junit.jupiter.api.Test
-import org.junit.Test
+import org.junit.jupiter.api.io.TempDir
-import org.junit.rules.TemporaryFolder
 import java.io.File
 
 private val MY_TEST_DIR = File("plugins/kapt3/kapt3-base/testData/runner/incremental/constants")
@@ -20,21 +19,17 @@ private val MY_TEST_DIR = File("plugins/kapt3/kapt3-base/testData/runner/increme
 class ReferencedConstantsTest {
 
     companion object {
-        @ClassRule
-        @JvmField
-        var tmp = TemporaryFolder()
-
         private lateinit var cache: JavaClassCacheManager
         private lateinit var generatedSources: File
 
         @JvmStatic
-        @BeforeClass
+        @BeforeAll
-        fun setUp() {
+        fun setUp(@TempDir tmp: File) {
-            val compiledClasses = tmp.newFolder()
+            val compiledClasses = tmp.newFolder("compiledClasses")
             compileSources(listOf(MY_TEST_DIR.resolve("CKlass.java")), compiledClasses)
 
-            cache = JavaClassCacheManager(tmp.newFolder())
+            cache = JavaClassCacheManager(tmp.newCacheFolder())
-            generatedSources = tmp.newFolder()
+            generatedSources = tmp.newGeneratedSourcesFolder()
             cache.close()
             val processor = SimpleProcessor().toAggregating()
             val srcFiles = listOf(
@@ -77,8 +72,7 @@ class ReferencedConstantsTest {
         assertEquals(emptySet<String>(), annotationA.getMentionedAnnotations())
         assertEquals(emptySet<String>(), annotationA.getPrivateTypes())
         assertEquals(setOf("test.AnnotationA"), annotationA.getMentionedTypes())
-        assertEquals(mapOf("test.B" to setOf("INT_VALUE")), annotationA.getMentionedConstants()
+        assertEquals(mapOf("test.B" to setOf("INT_VALUE")), annotationA.getMentionedConstants())
-        )
     }
 
     @Test
@@ -96,4 +90,4 @@ class ReferencedConstantsTest {
             ), annotated.getMentionedConstants()
         )
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/TestComplexIncrementalAptCache.kt

@@ -3,16 +3,14 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.JavaClassCacheManager
+import org.jetbrains.kotlin.kapt3.base.newCacheFolder
-import org.jetbrains.kotlin.kapt3.base.incremental.MentionedTypesTaskListener
+import org.jetbrains.kotlin.kapt3.base.newGeneratedSourcesFolder
-import org.jetbrains.kotlin.kapt3.base.incremental.SourceFileStructure
+import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.Assert.assertEquals
+import org.junit.jupiter.api.BeforeAll
-import org.junit.BeforeClass
+import org.junit.jupiter.api.Test
-import org.junit.ClassRule
+import org.junit.jupiter.api.io.TempDir
-import org.junit.Test
-import org.junit.rules.TemporaryFolder
 import java.io.File
 
 private val MY_TEST_DIR = File("plugins/kapt3/kapt3-base/testData/runner/incremental/complex")
@@ -20,18 +18,14 @@ private val MY_TEST_DIR = File("plugins/kapt3/kapt3-base/testData/runner/increme
 class TestComplexIncrementalAptCache {
 
     companion object {
-        @ClassRule
-        @JvmField
-        var tmp = TemporaryFolder()
-
         private lateinit var cache: JavaClassCacheManager
         private lateinit var generatedSources: File
 
         @JvmStatic
-        @BeforeClass
+        @BeforeAll
-        fun setUp() {
+        fun setUp(@TempDir tmp: File) {
-            cache = JavaClassCacheManager(tmp.newFolder())
+            cache = JavaClassCacheManager(tmp.newCacheFolder())
-            generatedSources = tmp.newFolder()
+            generatedSources = tmp.newGeneratedSourcesFolder()
             cache.close()
             val processor = SimpleProcessor().toAggregating()
             val srcFiles = listOf(
@@ -199,4 +193,4 @@ class TestComplexIncrementalAptCache {
             ), genericNumber.getMentionedTypes()
         )
     }
-}
+}

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/TestSimpleIncrementalAptCache.kt

@@ -3,31 +3,27 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
-import org.jetbrains.kotlin.kapt3.base.incremental.*
+import org.jetbrains.kotlin.kapt3.base.newCacheFolder
-import org.junit.Assert.*
+import org.jetbrains.kotlin.kapt3.base.newCompiledSourcesFolder
-import org.junit.Before
+import org.jetbrains.kotlin.kapt3.base.newGeneratedSourcesFolder
-import org.junit.Rule
+import org.junit.jupiter.api.Assertions.*
-import org.junit.Test
+import org.junit.jupiter.api.BeforeEach
-import org.junit.rules.TemporaryFolder
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.io.TempDir
 import java.io.File
 
 class TestSimpleIncrementalAptCache {
-
-    @Rule
-    @JvmField
-    var tmp = TemporaryFolder()
-
     private lateinit var cache: JavaClassCacheManager
     private lateinit var generatedSources: File
     private lateinit var compiledSources: List<File>
 
-    @Before
+    @BeforeEach
-    fun setUp() {
+    fun setUp(@TempDir tmp: File) {
-        cache = JavaClassCacheManager(tmp.newFolder())
+        cache = JavaClassCacheManager(tmp.newCacheFolder())
-        generatedSources = tmp.newFolder()
+        generatedSources = tmp.newGeneratedSourcesFolder()
-        compiledSources = listOf(tmp.newFolder().also { it.resolve(TEST_PACKAGE_NAME).mkdir() })
+        compiledSources = listOf(tmp.newCompiledSourcesFolder().also { it.resolve(TEST_PACKAGE_NAME).mkdir() })
         cache.close()
     }
 
@@ -90,4 +86,4 @@ class TestSimpleIncrementalAptCache {
     }
 }
 
-private const val TEST_PACKAGE_NAME = "test"
+private const val TEST_PACKAGE_NAME = "test"

plugins/kapt3/kapt3-base/test/org/jetbrains/kotlin/kapt3/base/incremental/fixtures.kt

@@ -3,14 +3,11 @@
  * 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.kapt.base.test.org.jetbrains.kotlin.kapt3.base.incremental
+package org.jetbrains.kotlin.kapt3.base.incremental
 
 import com.sun.source.util.TaskListener
 import com.sun.source.util.Trees
 import com.sun.tools.javac.api.JavacTaskImpl
-import org.jetbrains.kotlin.kapt3.base.incremental.DeclaredProcType
-import org.jetbrains.kotlin.kapt3.base.incremental.IncrementalProcessor
-import org.jetbrains.kotlin.kapt3.base.incremental.RuntimeProcType
 import org.jetbrains.kotlin.kapt3.base.util.WriterBackedKaptLogger
 import java.io.File
 import javax.annotation.processing.AbstractProcessor
@@ -164,4 +161,4 @@ open class ReportTwoOriginElements : SimpleProcessor() {
 
         return false
     }
-}
+}

plugins/kapt3/kapt3-cli/build.gradle.kts

@@ -9,19 +9,23 @@ dependencies {
     compileOnly(intellijCore())
 
     testImplementation(intellijCore())
-    testApi(projectTests(":compiler:tests-common"))
+    testApi(projectTests(":compiler:test-infrastructure-utils"))
-    testApi(projectTests(":compiler"))
+    testApi(projectTests(":compiler:tests-common-new"))
-    testApi(commonDependency("junit:junit"))
+    testApiJUnit5()
 }
 
 sourceSets {
     "main" { projectDefault() }
-    "test" { projectDefault() }
+    "test" {
+        projectDefault()
+        generatedTestDir()
+    }
 }
 
 testsJar()
 
 projectTest {
+    useJUnitPlatform()
     workingDir = rootDir
     dependsOn(":dist")
 }

plugins/kapt3/kapt3-cli/test/org/jetbrains/kotlin/kapt/cli/test/AbstractArgumentParsingTest.kt

@@ -4,21 +4,17 @@
  */
 package org.jetbrains.kotlin.kapt.cli.test
 
-import junit.framework.TestCase
 import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity
 import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSourceLocation
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
 import org.jetbrains.kotlin.kapt.cli.transformArgs
-import org.jetbrains.kotlin.test.JUnit3RunnerWithInners
+import org.jetbrains.kotlin.test.services.JUnit5Assertions
-import org.jetbrains.kotlin.test.KotlinTestUtils
-import org.junit.runner.RunWith
 import java.io.File
 
 private val LINE_SEPARATOR: String = System.getProperty("line.separator")
 
-@RunWith(JUnit3RunnerWithInners::class)
+abstract class AbstractArgumentParsingTest {
-abstract class AbstractArgumentParsingTest : TestCase() {
+    fun runTest(filePath: String) {
-    fun doTest(filePath: String) {
         val testFile = File(filePath)
 
         val sections = Section.parse(testFile)
@@ -29,7 +25,7 @@ abstract class AbstractArgumentParsingTest : TestCase() {
         val actualAfter = if (messageCollector.hasErrors()) messageCollector.toString() else transformedArgs.joinToString(LINE_SEPARATOR)
         val actual = sections.replacingSection("after", actualAfter).render()
 
-        KotlinTestUtils.assertEqualsToFile(testFile, actual)
+        JUnit5Assertions.assertEqualsToFile(testFile, actual)
     }
 }
 

plugins/kapt3/kapt3-cli/test/org/jetbrains/kotlin/kapt/cli/test/AbstractKaptToolIntegrationTest.kt

@@ -7,21 +7,34 @@ package org.jetbrains.kotlin.kapt.cli.test
 
 import com.intellij.openapi.util.SystemInfo
 import org.jetbrains.kotlin.cli.common.arguments.readArgumentsFromArgFile
-import org.jetbrains.kotlin.test.JUnit3RunnerWithInners
+import org.jetbrains.kotlin.test.services.JUnit5Assertions
-import org.jetbrains.kotlin.test.KotlinTestUtils
+import org.jetbrains.kotlin.test.util.KtTestUtil
-import org.jetbrains.kotlin.test.TestCaseWithTmpdir
+import org.junit.jupiter.api.BeforeEach
-import org.junit.runner.RunWith
+import org.junit.jupiter.api.TestInfo
 import java.io.File
 import java.util.concurrent.TimeUnit
+import kotlin.jvm.optionals.getOrNull
 
-@RunWith(JUnit3RunnerWithInners::class)
+abstract class AbstractKaptToolIntegrationTest {
-abstract class AbstractKaptToolIntegrationTest : TestCaseWithTmpdir() {
+    private lateinit var tmpdir: File
-    fun doTest(filePath: String) {
+    private lateinit var testInfo: TestInfo
+
+    @BeforeEach
+    @OptIn(ExperimentalStdlibApi::class)
+    fun setUp(testInfo: TestInfo) {
+        this.testInfo = testInfo
+        tmpdir = KtTestUtil.tmpDirForTest(
+            testInfo.testClass.getOrNull()?.simpleName ?: "TEST",
+            testInfo.displayName
+        )
+    }
+
+    fun runTest(filePath: String) {
         val testDir = File(filePath)
         val testFile = File(testDir, "build.txt")
         assert(testFile.isFile) { "build.txt doesn't exist" }
 
-        testDir.listFiles().forEach { it.copyRecursively(File(tmpdir, it.name)) }
+        testDir.listFiles()?.forEach { it.copyRecursively(File(tmpdir, it.name)) }
         doTestInTempDirectory(testFile, File(tmpdir, testFile.name))
     }
 
@@ -44,7 +57,7 @@ abstract class AbstractKaptToolIntegrationTest : TestCaseWithTmpdir() {
                 }
             } catch (e: GotResult) {
                 val actual = sections.replacingSection("after", e.actual).render()
-                KotlinTestUtils.assertEqualsToFile(originalTestFile, actual)
+                JUnit5Assertions.assertEqualsToFile(originalTestFile, actual)
                 return
             } catch (e: Throwable) {
                 throw RuntimeException("Section ${section.name} failed:\n${section.content}", e)
@@ -82,7 +95,7 @@ abstract class AbstractKaptToolIntegrationTest : TestCaseWithTmpdir() {
     }
 
     private fun runProcess(executablePath: String, args: List<String>, outputFile: File = File(tmpdir, "processOutput.txt")) {
-        fun err(message: String): Nothing = error("$message: $name (${args.joinToString(" ")})")
+        fun err(message: String): Nothing = error("$message: ${testInfo.displayName} (${args.joinToString(" ")})")
 
         outputFile.delete()
 
@@ -126,4 +139,4 @@ private fun preprocessPathSeparators(text: String): String = buildString {
         val transformed = if (line.startsWith("-cp ")) line.replace(':', File.pathSeparatorChar) else line
         appendLine(transformed)
     }
-}
+}

plugins/kapt3/kapt3-cli/tests-gen/org/jetbrains/kotlin/kapt/cli/test/ArgumentParsingTestGenerated.java

@@ -6,49 +6,49 @@
 package org.jetbrains.kotlin.kapt.cli.test;
 
 import com.intellij.testFramework.TestDataPath;
-import org.jetbrains.kotlin.test.JUnit3RunnerWithInners;
-import org.jetbrains.kotlin.test.KotlinTestUtils;
 import org.jetbrains.kotlin.test.util.KtTestUtil;
 import org.jetbrains.kotlin.test.TestMetadata;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
 
 import java.io.File;
 import java.util.regex.Pattern;
 
-/** This class is generated by {@link org.jetbrains.kotlin.generators.tests.TestsPackage}. DO NOT MODIFY MANUALLY */
+/** This class is generated by {@link GenerateNewCompilerTests.kt}. DO NOT MODIFY MANUALLY */
 @SuppressWarnings("all")
 @TestMetadata("plugins/kapt3/kapt3-cli/testData/argumentParsing")
 @TestDataPath("$PROJECT_ROOT")
-@RunWith(JUnit3RunnerWithInners.class)
 public class ArgumentParsingTestGenerated extends AbstractArgumentParsingTest {
-    private void runTest(String testDataFilePath) throws Exception {
+    @Test
-        KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
-    }
-
     public void testAllFilesPresentInArgumentParsing() throws Exception {
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("plugins/kapt3/kapt3-cli/testData/argumentParsing"), Pattern.compile("^(.+)\\.txt$"), null, true);
     }
 
+    @Test
     @TestMetadata("errorFlag.txt")
     public void testErrorFlag() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/argumentParsing/errorFlag.txt");
     }
 
+    @Test
     @TestMetadata("errorKeyValue.txt")
     public void testErrorKeyValue() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/argumentParsing/errorKeyValue.txt");
     }
 
+    @Test
     @TestMetadata("errorValue.txt")
     public void testErrorValue() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/argumentParsing/errorValue.txt");
     }
 
+    @Test
     @TestMetadata("kotlincHelp.txt")
     public void testKotlincHelp() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/argumentParsing/kotlincHelp.txt");
     }
 
+    @Test
     @TestMetadata("simple.txt")
     public void testSimple() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/argumentParsing/simple.txt");

plugins/kapt3/kapt3-cli/tests-gen/org/jetbrains/kotlin/kapt/cli/test/KaptToolIntegrationTestGenerated.java

@@ -6,79 +6,85 @@
 package org.jetbrains.kotlin.kapt.cli.test;
 
 import com.intellij.testFramework.TestDataPath;
-import org.jetbrains.kotlin.test.JUnit3RunnerWithInners;
-import org.jetbrains.kotlin.test.KotlinTestUtils;
 import org.jetbrains.kotlin.test.util.KtTestUtil;
 import org.jetbrains.kotlin.test.TestMetadata;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
 
 import java.io.File;
 import java.util.regex.Pattern;
 
-/** This class is generated by {@link org.jetbrains.kotlin.generators.tests.TestsPackage}. DO NOT MODIFY MANUALLY */
+/** This class is generated by {@link GenerateNewCompilerTests.kt}. DO NOT MODIFY MANUALLY */
 @SuppressWarnings("all")
 @TestMetadata("plugins/kapt3/kapt3-cli/testData/integration")
 @TestDataPath("$PROJECT_ROOT")
-@RunWith(JUnit3RunnerWithInners.class)
 public class KaptToolIntegrationTestGenerated extends AbstractKaptToolIntegrationTest {
-    private void runTest(String testDataFilePath) throws Exception {
+    @Test
-        KotlinTestUtils.runTest(this::doTest, this, testDataFilePath);
-    }
-
     public void testAllFilesPresentInIntegration() throws Exception {
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("plugins/kapt3/kapt3-cli/testData/integration"), Pattern.compile("^([^\\.]+)$"), null, false);
     }
 
+    @Test
     @TestMetadata("argfile")
     public void testArgfile() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/argfile/");
     }
 
+    @Test
     @TestMetadata("correctErrorTypesOff")
     public void testCorrectErrorTypesOff() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/correctErrorTypesOff/");
     }
 
+    @Test
     @TestMetadata("correctErrorTypesOn")
     public void testCorrectErrorTypesOn() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/correctErrorTypesOn/");
     }
 
+    @Test
     @TestMetadata("defaultPackage")
     public void testDefaultPackage() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/defaultPackage/");
     }
 
+    @Test
     @TestMetadata("kotlinFileGeneration")
     public void testKotlinFileGeneration() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/kotlinFileGeneration/");
     }
 
+    @Test
     @TestMetadata("kotlinFileGenerationCorrectErrorTypes")
     public void testKotlinFileGenerationCorrectErrorTypes() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/kotlinFileGenerationCorrectErrorTypes/");
     }
 
+    @Test
     @TestMetadata("kotlinFileGenerationDefaultOutput")
     public void testKotlinFileGenerationDefaultOutput() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/kotlinFileGenerationDefaultOutput/");
     }
 
+    @Test
     @TestMetadata("kt33800")
     public void testKt33800() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/kt33800/");
     }
 
+    @Test
     @TestMetadata("separateStubAptCompilation")
     public void testSeparateStubAptCompilation() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/separateStubAptCompilation/");
     }
 
+    @Test
     @TestMetadata("simple")
     public void testSimple() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/simple/");
     }
 
+    @Test
     @TestMetadata("withoutService")
     public void testWithoutService() throws Exception {
         runTest("plugins/kapt3/kapt3-cli/testData/integration/withoutService/");