Add line comments for missed coverage in pit results

src/main/java/edu/hm/hafner/grading/CommentBuilder.java

@@ -43,6 +43,10 @@ public enum CommentType {
 
     private final List<String> prefixes;
 
+    CommentBuilder() {
+        this(new String[0]);
+    }
+
     protected CommentBuilder(final String... prefixesToRemove) {
         prefixes = Arrays.asList(prefixesToRemove);
     }
@@ -231,6 +235,7 @@ private void createAnnotationsForSurvivedMutations(final FileNode file,
             final Set<String> sourcePaths) {
         file.getSurvivedMutationsPerLine().entrySet()
                 .forEach(entry -> createAnnotationForSurvivedMutation(file, entry, sourcePaths));
+        createAnnotationsForMissedLines(file, sourcePaths);
     }
 
     private void createAnnotationForSurvivedMutation(final FileNode file,

src/test/java/edu/hm/hafner/grading/AggregatedScoreTest.java

@@ -368,7 +368,7 @@ protected void assertThatRestoredInstanceEqualsOriginalInstance(
     void shouldGradeCoverageReport() {
         var aggregation = new AggregatedScore(COVERAGE_CONFIGURATION, new FilteredLog("Test"));
 
-        aggregation.gradeCoverage((tool, log) -> readReport(tool));
+        aggregation.gradeCoverage((tool, log) -> readCoverageReport("jacoco.xml", tool, CoverageParserType.JACOCO));
 
         var coveredFiles = new String[] {"ReportFactory.java",
                 "ReportFinder.java",
@@ -391,21 +391,6 @@ void shouldGradeCoverageReport() {
         assertThat(aggregation.getIssues()).isEmpty();
     }
 
-    private Node readReport(final ToolConfiguration tool) {
-        var parser = new ParserRegistry().get(CoverageParserType.JACOCO, ProcessingMode.FAIL_FAST);
-        var fileName = "jacoco.xml";
-        try (InputStream stream = createStream(fileName);
-                Reader reader = new InputStreamReader(Objects.requireNonNull(stream), StandardCharsets.UTF_8)) {
-            var root = parser.parse(reader, fileName, new FilteredLog("Test"));
-            var containerNode = new ModuleNode(tool.getDisplayName());
-            containerNode.addChild(root);
-            return containerNode;
-        }
-        catch (IOException e) {
-            throw new AssertionError(e);
-        }
-    }
-
     @Test
     void shouldGradeAnalysisReport() {
         var aggregation = new AggregatedScore(ANALYSIS_CONFIGURATION, new FilteredLog("Test"));
@@ -431,6 +416,21 @@ void shouldGradeAnalysisReport() {
                 "edu/hm/hafner/analysis/IssuesTest.java");
     }
 
+    static Node readCoverageReport(final String fileName, final ToolConfiguration tool,
+            final CoverageParserType type) {
+        var parser = new ParserRegistry().get(type, ProcessingMode.FAIL_FAST);
+        try (InputStream stream = createStream(fileName);
+                Reader reader = new InputStreamReader(Objects.requireNonNull(stream), StandardCharsets.UTF_8)) {
+            var root = parser.parse(reader, fileName, new FilteredLog("Test"));
+            var containerNode = new ModuleNode(tool.getDisplayName());
+            containerNode.addChild(root);
+            return containerNode;
+        }
+        catch (IOException e) {
+            throw new AssertionError(e);
+        }
+    }
+
     private Report readAnalysisReport(final ToolConfiguration tool) {
         try {
             var registry = new edu.hm.hafner.analysis.registry.ParserRegistry();
@@ -450,7 +450,7 @@ private Path createPath(final String fileName) throws URISyntaxException {
 
     @MustBeClosed
     @SuppressFBWarnings("OBL")
-    private InputStream createStream(final String fileName) {
+    private static InputStream createStream(final String fileName) {
         return Objects.requireNonNull(CoverageScoreTest.class.getResourceAsStream(fileName),
                 "File not found: " + fileName);
     }

src/test/java/edu/hm/hafner/grading/CommentBuilderTest.java

@@ -0,0 +1,46 @@
+package edu.hm.hafner.grading;
+
+import org.junit.jupiter.api.Test;
+
+import edu.hm.hafner.coverage.registry.ParserRegistry.CoverageParserType;
+import edu.hm.hafner.util.FilteredLog;
+
+import static org.mockito.Mockito.*;
+
+class CommentBuilderTest {
+    private static final String COVERAGE_CONFIGURATION = """
+            {
+              "coverage": [
+              {
+                  "tools": [
+                      {
+                        "id": "pit",
+                        "name": "Mutation Coverage",
+                        "metric": "mutation",
+                        "pattern": "**/src/**/mutations-dashboard.xml"
+                      }
+                    ],
+                "name": "PIT",
+                "maxScore": 100,
+                "coveredPercentageImpact": 1,
+                "missedPercentageImpact": -1
+              }
+              ]
+            }
+            """;
+
+    @Test
+    void shouldRunComments() {
+        var aggregation = new AggregatedScore(COVERAGE_CONFIGURATION, new FilteredLog("Test"));
+        aggregation.gradeCoverage((tool, log) -> AggregatedScoreTest.readCoverageReport(
+                "mutations-dashboard.xml", tool, CoverageParserType.PIT));
+
+        CommentBuilder builder = spy(CommentBuilder.class);
+
+        builder.createAnnotations(aggregation);
+
+        verify(builder, times(7))
+                .createComment(any(), anyString(), anyInt(), anyInt(), anyString(), anyString(),
+                        anyInt(), anyInt(), anyString(), anyString());
+    }
+}