Suppress IDEA's "malformed declaration" warning for TestCase classes

Author: marcphilipp

documentation/src/test/java/example/TempDirectoryDemo.java

@@ -63,6 +63,7 @@ void copyFileFromSourceToTarget(@TempDir Path source, @TempDir Path target) thro
 	}
 	// end::user_guide_multiple_directories[]
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	static
 	// tag::user_guide_field_injection[]
 	class SharedTempDirectoryDemo {
@@ -87,6 +88,7 @@ void anotherTestThatUsesTheSameTempDir() {
 	}
 	// end::user_guide_field_injection[]
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	static
 	// tag::user_guide_cleanup_mode[]
 	class CleanupModeDemo {
@@ -99,6 +101,7 @@ void fileTest(@TempDir(cleanup = ON_SUCCESS) Path tempDir) {
 	}
 	// end::user_guide_cleanup_mode[]
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	static
 	// tag::user_guide_factory_name_prefix[]
 	class TempDirFactoryDemo {
@@ -121,6 +124,7 @@ public Path createTempDirectory(AnnotatedElementContext elementContext, Extensio
 	}
 	// end::user_guide_factory_name_prefix[]
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	static
 	// tag::user_guide_factory_jimfs[]
 	class InMemoryTempDirDemo {
@@ -158,6 +162,7 @@ public void close() throws IOException {
 	}
 	// end::user_guide_composed_annotation[]
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	static
 	// tag::user_guide_composed_annotation_usage[]
 	class JimfsTempDirAnnotationDemo {

junit-vintage-engine/src/test/java/org/junit/vintage/engine/discovery/VintageDiscovererTests.java

@@ -125,6 +125,7 @@ private TestDescriptor discover(EngineDiscoveryRequest request) {
 		return new VintageDiscoverer().discover(request, engineId());
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	public static class Foo {
 
 		@org.junit.Test
@@ -133,6 +134,7 @@ public void test() {
 
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	public static class Bar {
 
 		@org.junit.Test

junit-vintage-engine/src/testFixtures/java/org/junit/vintage/engine/samples/junit3/JUnit3ParallelSuiteWithSubsuites.java

@@ -14,6 +14,7 @@
 import junit.framework.TestCase;
 import junit.framework.TestSuite;
 
+@SuppressWarnings("JUnitMalformedDeclaration")
 public class JUnit3ParallelSuiteWithSubsuites extends TestCase {
 	private final String arg;
 

junit-vintage-engine/src/testFixtures/java/org/junit/vintage/engine/samples/junit3/JUnit3SuiteWithSubsuites.java

@@ -13,6 +13,7 @@
 import junit.framework.TestCase;
 import junit.framework.TestSuite;
 
+@SuppressWarnings("JUnitMalformedDeclaration")
 public class JUnit3SuiteWithSubsuites extends TestCase {
 	private final String arg;
 

jupiter-tests/src/test/java/org/junit/jupiter/api/DisplayNameGenerationInheritanceTestCase.java

@@ -26,6 +26,7 @@ void this_is_a_test() {
 		}
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	static class StaticNestedTestCase {
 
 		@Test

jupiter-tests/src/test/java/org/junit/jupiter/api/DisplayNameGenerationTests.java

@@ -287,6 +287,7 @@ static class UnderscoreStyleInheritedFromSuperClassTestCase extends UnderscoreSt
 
 	// -------------------------------------------------------------------
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	@DisplayName("A stack")
 	@DisplayNameGeneration(DisplayNameGenerator.ReplaceUnderscores.class)
 	static class StackTestCase {
@@ -353,6 +354,7 @@ void peek_returns_that_element_without_removing_it_from_the_stack() {
 
 	// -------------------------------------------------------------------
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	@DisplayName("A stack")
 	@IndicativeSentencesGeneration(generator = DisplayNameGenerator.ReplaceUnderscores.class)
 	static class IndicativeGeneratorTestCase {
@@ -397,6 +399,7 @@ void is_no_longer_empty() {
 
 	// -------------------------------------------------------------------
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	@DisplayName("A stack")
 	@IndicativeSentencesGeneration(separator = " >> ", generator = DisplayNameGenerator.ReplaceUnderscores.class)
 	static class IndicativeGeneratorWithCustomSeparatorTestCase {

jupiter-tests/src/test/java/org/junit/jupiter/api/IndicativeSentencesGenerationInheritanceTestCase.java

@@ -26,6 +26,7 @@ void this_is_a_test() {
 		}
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	static class StaticNestedTestCase {
 
 		@Test

jupiter-tests/src/test/java/org/junit/jupiter/api/extension/CloseableResourceIntegrationTests.java

@@ -35,6 +35,7 @@ void closesCloseableResourcesInReverseInsertOrder() {
 					reportEntry(Map.of("1", "closed")));
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	@ExtendWith(ExtensionContextParameterResolver.class)
 	static class TestCase {
 		@Test
@@ -64,6 +65,7 @@ void exceptionsDuringCloseAreReportedAsSuppressed() {
 						))));
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	@ExtendWith(ThrowingOnCloseExtension.class)
 	static class ExceptionInCloseableResourceTestCase {
 

jupiter-tests/src/test/java/org/junit/jupiter/api/extension/ExecutableInvokerIntegrationTests.java

@@ -39,11 +39,13 @@ void invokeMethodViaExtensionContext() {
 		assertEquals(2, ExecuteTestsTwiceTestCase.testInvocations);
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	@ExtendWith(ExecuteTestsTwiceExtension.class)
 	static class ExecuteTestsTwiceTestCase {
 
 		static int testInvocations = 0;
 
+		@SuppressWarnings("JUnitMalformedDeclaration")
 		@Test
 		void testWithResolvedParameter(TestInfo testInfo,
 				@ExtendWith(ExtensionContextParameterResolver.class) ExtensionContext extensionContext) {
@@ -54,6 +56,7 @@ void testWithResolvedParameter(TestInfo testInfo,
 
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	@ExtendWith(ExecuteConstructorTwiceExtension.class)
 	static class ExecuteConstructorTwiceTestCase {
 

jupiter-tests/src/test/java/org/junit/jupiter/engine/BeforeAllAndAfterAllComposedAnnotationTests.java

@@ -39,6 +39,7 @@ void beforeAllAndAfterAllAsMetaAnnotations() {
 		assertThat(methodsInvoked).containsExactly("beforeAll", "test", "afterAll");
 	}
 
+	@SuppressWarnings("JUnitMalformedDeclaration")
 	static class TestCase {
 
 		@CustomBeforeAll