chore(CI): add gradle build to tests (#19)

.github/workflows/tests.yml

@@ -0,0 +1,25 @@
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 17
+      uses: actions/setup-java@v2
+      with:
+        java-version: '17'
+        distribution: 'adopt'
+    - name: Setup Gradle
+      uses: gradle/gradle-build-action@v2
+
+    - name: Execute Gradle build
+      run: ./gradlew build

code-transformation/build.gradle

@@ -60,7 +60,7 @@ spotless {
 		greclipse()
 	}
 	java {
-		eclipse().configFile('/src/main/resources/formatter-settings.xml')
+		eclipse().configFile(projectDir.toString() +'/src/main/resources/formatter-settings.xml')
 	}
 	allprojects {
 		repositories {

code-transformation/src/test/java/xyz/keksdose/spoon/code_solver/JunitTests.java

@@ -59,7 +59,7 @@ public void printerDoesNotCrash(@TempDir File tempRoot) throws IOException {
 		String resourcePath = "projects/bugs/AnnotationValuesTest.java";
 		File copy = TestHelper.createCopy(tempRoot, resourcePath, fileName);
 		List<TransformationCreator> transformations = createProcessorSupplier(v -> new TestAnnotation(v),
-				v -> new AssertionsTransformation(v));
+			v -> new AssertionsTransformation(v));
 		new TransformationHelper.Builder().path(tempRoot.getAbsolutePath())
 				.className("AnnotationValuesTest")
 				.processors(transformations)
@@ -77,7 +77,7 @@ public void printerDoesNotIncludeWhiteSpaceInInvocations(@TempDir File tempRoot)
 		String resourcePath = "projects/bugs/WhiteSpaces.java";
 		File copy = TestHelper.createCopy(tempRoot, resourcePath, fileName);
 		List<TransformationCreator> transformations = createProcessorSupplier(v -> new TestAnnotation(v),
-				v -> new AssertionsTransformation(v));
+			v -> new AssertionsTransformation(v));
 		new TransformationHelper.Builder().path(tempRoot.getAbsolutePath())
 				.className("WhiteSpaces")
 				.processors(transformations)