Merge pull request #238 from maio/maio/support-kotlin-dynamic-tests

Add support for dynamic tests written in Kotlin

Author: LarsEckart

approvaltests-tests/src/test/java/org/approvaltests/namer/AttributeStackSelectorTest.java

@@ -13,7 +13,7 @@ public class AttributeStackSelectorTest
   @Test
   void unrollLambda()
   {
-    String[] methodNames = {"doStuff", "lambda$handleCallback$0"};
+    String[] methodNames = {"doStuff", "lambda$handleCallback$0", "test_in_kotlin$lambda-1$lambda-0"};
     Approvals.verifyAll("unroll lambda", methodNames,
         m -> String.format("%s -> %s", m, TestUtils.unrollLambda(m)));
   }

approvaltests-tests/src/test/java/org/approvaltests/namer/AttributeStackSelectorTest.unrollLambda.approved.txt

@@ -3,3 +3,4 @@ unroll lambda
 
 doStuff -> doStuff
 lambda$handleCallback$0 -> handleCallback
+test_in_kotlin$lambda-1$lambda-0 -> test_in_kotlin

approvaltests-util/src/main/java/com/spun/util/tests/TestUtils.java

@@ -221,12 +221,18 @@ private static String handleInnerClasses(String className)
   {
     return className.replaceAll("\\$", ".");
   }
+
   public static String unrollLambda(String methodName)
   {
-    Pattern p = Pattern.compile("lambda\\$(.*)\\$\\d+");
-    Matcher m = p.matcher(methodName);
-    if (m.matches())
-    { return m.group(1); }
+    Matcher javaMatcher = unrollJavaLambdaPattern.matcher(methodName);
+    if (javaMatcher.matches())
+    { return javaMatcher.group(1); }
+
+    Matcher kotlinMatcher = unrollKotlinLambdaPattern.matcher(methodName);
+    if (kotlinMatcher.matches())
+    { return kotlinMatcher.group(1); }
     return methodName;
   }
+  private static final Pattern unrollJavaLambdaPattern = Pattern.compile("lambda\\$(.*)\\$\\d+");
+  private static final Pattern unrollKotlinLambdaPattern = Pattern.compile("(.*?)(\\$lambda-\\d+)+");
 }