test: use asserts instead of manually checking stdout

Note that some printed checks failed expectedly (those that didn't
ignore whitespace or didn't compare diffs semantically) and thus are
removed without replacement.

Author: ibbem

src/test/java/VariationUnparserTest.java

@@ -14,6 +14,7 @@
 import org.variantsync.diffdetective.variation.VariationUnparser;
 import org.variantsync.diffdetective.variation.tree.source.VariationTreeSource;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.variantsync.diffdetective.experiments.thesis_es.UnparseAnalysis.removeWhitespace;
 
 public class VariationUnparserTest {
@@ -56,11 +57,8 @@ public void testTree() throws IOException, DiffParseException {
         VariationTree<DiffLinesLabel> tree = VariationTree.fromText(source, VariationTreeSource.Unknown,
                 VariationDiffParseOptions.Default);
         String temp = VariationUnparser.variationTreeUnparser(tree);
-        System.out.println(removeWhitespace(source, false).equals(removeWhitespace(temp, false)));
-        // System.out.println(removeWhitespace(source));
-        // System.out.println("Ende");
-        // System.out.println(removeWhitespace(temp));
-        // System.out.println("Ende");
+
+        assertEquals(removeWhitespace(source, false), removeWhitespace(temp, false));
     }
 
     @Test
@@ -69,47 +67,45 @@ public void testDiffSemEq() throws IOException, DiffParseException {
                 .readString(Path.of("src", "test", "resources", "unparser", "diff", "diff.diff"));
         VariationDiff<DiffLinesLabel> diff = VariationDiff.fromDiff(source, VariationDiffParseOptions.Default);
         String temp = VariationUnparser.variationDiffUnparser(diff);
-        System.out.println(removeWhitespace(source, true).equals(removeWhitespace(temp, true)));
-        System.out.println(removeWhitespace(VariationUnparser.undiff(source, Time.BEFORE), false)
-                .equals(removeWhitespace(VariationUnparser.undiff(temp, Time.BEFORE), false)));
-        System.out.println(removeWhitespace(VariationUnparser.undiff(source, Time.AFTER), false)
-                .equals(removeWhitespace(VariationUnparser.undiff(temp, Time.AFTER), false)));
-
-        // System.out.println(removeWhitespace(source));
-        // System.out.println("Ende");
-        // System.out.println(removeWhitespace(temp));
-        // System.out.println("Ende");
+
+        assertEquals(
+                removeWhitespace(VariationUnparser.undiff(source, Time.BEFORE), false),
+                removeWhitespace(VariationUnparser.undiff(temp, Time.BEFORE), false));
+        assertEquals(
+                removeWhitespace(VariationUnparser.undiff(source, Time.AFTER), false),
+                removeWhitespace(VariationUnparser.undiff(temp, Time.AFTER), false));
     }
 
     public static void testCaseTree(Path testCasePath) throws IOException, DiffParseException {
         String temp = Files.readString(testCasePath);
-        System.out.println(testCasePath);
         temp = temp.replaceAll("\\r\\n", "\n");
+
         String unparse1 = parseUnparseTree(testCasePath, new VariationDiffParseOptions(false, false));
         String unparse2 = parseUnparseTree(testCasePath, new VariationDiffParseOptions(false, true));
         String unparse3 = parseUnparseTree(testCasePath, new VariationDiffParseOptions(true, false));
         String unparse4 = parseUnparseTree(testCasePath, new VariationDiffParseOptions(true, true));
-        System.out.println(temp.equals(unparse1) + " " + temp.equals(unparse2) + " " + temp.equals(unparse3) + " "
-                + temp.equals(unparse4));
+
         temp = removeWhitespace(temp, false);
         unparse1 = removeWhitespace(unparse1, false);
         unparse2 = removeWhitespace(unparse2, false);
         unparse3 = removeWhitespace(unparse3, false);
         unparse4 = removeWhitespace(unparse4, false);
-        System.out.println(temp.equals(unparse1) + " " + temp.equals(unparse2) + " " + temp.equals(unparse3) + " "
-                + temp.equals(unparse4));
+
+        assertEquals(temp, unparse1);
+        assertEquals(temp, unparse2);
+        assertEquals(temp, unparse3);
+        assertEquals(temp, unparse4);
     }
 
     public static void testCaseDiff(Path testCasePath) throws IOException, DiffParseException {
         String temp = Files.readString(testCasePath);
-        System.out.println(testCasePath);
         temp = temp.replaceAll("\\r\\n", "\n");
+
         String unparse1 = parseUnparseDiff(testCasePath, new VariationDiffParseOptions(false, false));
         String unparse2 = parseUnparseDiff(testCasePath, new VariationDiffParseOptions(false, true));
         String unparse3 = parseUnparseDiff(testCasePath, new VariationDiffParseOptions(true, false));
         String unparse4 = parseUnparseDiff(testCasePath, new VariationDiffParseOptions(true, true));
-        System.out.println(temp.equals(unparse1) + " " + temp.equals(unparse2) + " " + temp.equals(unparse3) + " "
-                + temp.equals(unparse4));
+
         String temp1 = VariationUnparser.undiff(temp, Time.BEFORE);
         String temp2 = VariationUnparser.undiff(temp, Time.AFTER);
         String unparse11 = VariationUnparser.undiff(unparse1, Time.BEFORE);
@@ -118,26 +114,17 @@ public static void testCaseDiff(Path testCasePath) throws IOException, DiffParse
         String unparse22 = VariationUnparser.undiff(unparse2, Time.AFTER);
         String unparse31 = VariationUnparser.undiff(unparse3, Time.BEFORE);
         String unparse32 = VariationUnparser.undiff(unparse3, Time.AFTER);
-        String unparse41 = VariationUnparser.undiff(unparse1, Time.BEFORE);
-        String unparse42 = VariationUnparser.undiff(unparse1, Time.AFTER);
-        System.out.println(temp1.equals(unparse11) + " " + temp2.equals(unparse12) + " " + temp1.equals(unparse21) + " "
-                + temp2.equals(unparse22) + " " + temp1.equals(unparse31) + " " + temp2.equals(unparse32) + " "
-                + temp1.equals(unparse41) + " " + temp2.equals(unparse42));
-        System.out.println(removeWhitespace(temp1, false).equals(removeWhitespace(unparse11, false)) + " "
-                + removeWhitespace(temp2, false).equals(removeWhitespace(unparse12, false)) + " "
-                + removeWhitespace(temp1, false).equals(removeWhitespace(unparse21, false)) + " "
-                + removeWhitespace(temp2, false).equals(removeWhitespace(unparse22, false)) + " "
-                + removeWhitespace(temp1, false).equals(removeWhitespace(unparse31, false)) + " "
-                + removeWhitespace(temp2, false).equals(removeWhitespace(unparse32, false)) + " "
-                + removeWhitespace(temp1, false).equals(removeWhitespace(unparse41, false)) + " "
-                + removeWhitespace(temp2, false).equals(removeWhitespace(unparse42, false)));
-        temp = removeWhitespace(temp, true);
-        unparse1 = removeWhitespace(unparse1, true);
-        unparse2 = removeWhitespace(unparse2, true);
-        unparse3 = removeWhitespace(unparse3, true);
-        unparse4 = removeWhitespace(unparse4, true);
-        System.out.println(temp.equals(unparse1) + " " + temp.equals(unparse2) + " " + temp.equals(unparse3) + " "
-                + temp.equals(unparse4));
+        String unparse41 = VariationUnparser.undiff(unparse4, Time.BEFORE);
+        String unparse42 = VariationUnparser.undiff(unparse4, Time.AFTER);
+
+        assertEquals(removeWhitespace(temp1, false), removeWhitespace(unparse11, false));
+        assertEquals(removeWhitespace(temp2, false), removeWhitespace(unparse12, false));
+        assertEquals(removeWhitespace(temp1, false), removeWhitespace(unparse21, false));
+        assertEquals(removeWhitespace(temp2, false), removeWhitespace(unparse22, false));
+        assertEquals(removeWhitespace(temp1, false), removeWhitespace(unparse31, false));
+        assertEquals(removeWhitespace(temp2, false), removeWhitespace(unparse32, false));
+        assertEquals(removeWhitespace(temp1, false), removeWhitespace(unparse41, false));
+        assertEquals(removeWhitespace(temp2, false), removeWhitespace(unparse42, false));
     }
 
     public static String parseUnparseTree(Path path, VariationDiffParseOptions option) throws IOException, DiffParseException {