Merge pull request #147 from jenkinsci/deterministic-JENKINS-73635

[JENKINS-73635] Add support for deterministic Cobertura reports

Author: uhafner

src/main/java/edu/hm/hafner/coverage/parser/CoberturaParser.java

@@ -41,6 +41,8 @@ public class CoberturaParser extends CoverageParser {
     private static final Pattern BRANCH_PATTERN = Pattern.compile(".*\\((?<covered>\\d+)/(?<total>\\d+)\\)");
     private static final PathUtil PATH_UTIL = new PathUtil();
 
+    private static final String DETERMINISTIC_PATH_PREFIX = "/_/";
+
     private static final Coverage DEFAULT_BRANCH_COVERAGE = new CoverageBuilder(Metric.BRANCH).withCovered(2).withMissed(0).build();
     private static final Coverage LINE_COVERED = new CoverageBuilder(Metric.LINE).withCovered(1).withMissed(0).build();
     private static final Coverage LINE_MISSED = new CoverageBuilder(Metric.LINE).withCovered(0).withMissed(1).build();
@@ -141,7 +143,8 @@ else if (event.isEndElement()) {
 
     private FileNode createFileNode(final StartElement element, final PackageNode packageNode) {
         var fileName = getValueOf(element, FILE_NAME);
-        var path = getTreeStringBuilder().intern(PATH_UTIL.getRelativePath(fileName));
+        var relativePath = StringUtils.removeStart(PATH_UTIL.getRelativePath(fileName), DETERMINISTIC_PATH_PREFIX);
+        var path = getTreeStringBuilder().intern(relativePath);
 
         return packageNode.findOrCreateFileNode(getFileName(fileName), path);
     }

src/test/java/edu/hm/hafner/coverage/parser/CoberturaParserTest.java

@@ -38,6 +38,24 @@ protected String getFolder() {
         return "cobertura";
     }
 
+    @Test
+    @Issue("JENKINS-73635")
+    void shouldRemovePrefixOfDeterministicCoverageReport() {
+        var root = readReport("c#-cobertura.xml");
+
+        assertThat(root.getAllFileNodes()).hasSize(20).map(FileNode::getRelativePath)
+                .allSatisfy(
+                        file -> assertThat(file)
+                                .doesNotStartWith("/_/")
+                                .startsWith("Lib.LicenseScanner/"));
+
+        assertThat(root.getAllFileNodes()).hasSize(20)
+                .first().satisfies(
+                        file -> assertThat(file)
+                                .hasName("IssueKeys.cs")
+                                .hasRelativePath("Lib.LicenseScanner/IssueKeys.cs"));
+    }
+
     @Test
     @Issue("JENKINS-73325")
     void shouldUseFullPathWhenParsingFileNodes() {