Fix unitTests

Author: blacelle

README.md

@@ -84,7 +84,7 @@ lib('java.PalantirJavaFormatStep')               +'{{yes}}       | {{yes}}
 lib('java.RemoveUnusedImportsStep')              +'{{yes}}       | {{yes}}      | {{yes}}      | {{no}}  |',
 extra('java.EclipseJdtFormatterStep')            +'{{yes}}       | {{yes}}      | {{yes}}      | {{no}}  |',
 lib('java.FormatAnnotationsStep')                +'{{yes}}       | {{yes}}      | {{no}}       | {{no}}  |',
-lib('java.CleanthatJavaStep')                    +'{{no}}       | {{yes}}      | {{no}}       | {{no}}  |',
+lib('java.CleanthatJavaStep')                    +'{{yes}}       | {{yes}}      | {{no}}       | {{no}}  |',
 lib('json.gson.GsonStep')                        +'{{yes}}       | {{yes}}      | {{no}}       | {{no}}  |',
 lib('json.JacksonJsonStep')                      +'{{yes}}       | {{yes}}      | {{no}}       | {{no}}  |',
 lib('json.JsonSimpleStep')                       +'{{yes}}       | {{yes}}      | {{no}}       | {{no}}  |',

lib/build.gradle

@@ -40,6 +40,12 @@ versionCompatibility {
 			]
 			targetSourceSetName = 'ktlint'
 		}
+		namespaces.register('Cleanthat') {
+			versions = [
+				'2.1',
+			]
+			targetSourceSetName = 'cleanthat'
+		}
 	}
 }
 
@@ -103,9 +109,8 @@ dependencies {
 
 	gsonCompileOnly 'com.google.code.gson:gson:2.10.1'
 
-	// TODO How can one add a test module like 'compatKtLint0Dot48Dot0'?
-	// cleanthatCompileAndTestOnly 'io.github.solven-eu.cleanthat:java:2.1'
 	cleanthatCompileOnly 'io.github.solven-eu.cleanthat:java:2.1'
+	compatCleanthat2Dot1CompileAndTestOnly 'io.github.solven-eu.cleanthat:java:2.1'
 }
 
 // we'll hold the core lib to a high standard

lib/src/testCleanthat/java/com/diffplug/spotless/glue/java/JavaCleanthatRefactorerFuncTest.java

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2023 DiffPlug
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.diffplug.spotless.glue.java;
+
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import eu.solven.cleanthat.engine.java.refactorer.JavaRefactorer;
+
+public class JavaCleanthatRefactorerFuncTest {
+	@Test
+	public void testMutatorsDetection() {
+		Assertions.assertThat(JavaRefactorer.getAllIncluded()).isNotEmpty();
+	}
+}

lib/src/testCompatCleanthat2Dot1/java/com/diffplug/spotless/glue/java/JavaCleanthatRefactorerFuncTest

@@ -31,7 +31,7 @@ void integration() throws IOException {
 				"spotless {",
 				"    java {",
 				"        target file('test.java')",
-				"        cleanthat().sourceJdk('11')",
+				"        cleanthat().sourceCompatibility('11')",
 				"    }",
 				"}");