[FIXED JENKINS-6545] support nested test suites

changelog.html

@@ -68,6 +68,9 @@ Upcoming changes</a>
   <li class=rfe>
     Performance: Specify image sizes for faster page loading
     (<a href="http://issues.jenkins-ci.org/browse/JENKINS-9182">issue 9182</a>)
+  <li class=rfe>
+    Support nested testsuites in the JUnit test result
+    (<a href="http://issues.jenkins-ci.org/browse/JENKINS-6545">issue 6545</a>)
   <li class=rfe>
     Added an extension point to allow associating custom properties with views.
   <li class=rfe>

core/src/main/java/hudson/tasks/junit/SuiteResult.java

@@ -101,18 +101,21 @@ public final class SuiteResult implements Serializable {
         Document result = saxReader.read(xmlReport);
         Element root = result.getRootElement();
 
-        if(root.getName().equals("testsuites")) {
-            // multi-suite file
-            for (Element suite : (List<Element>)root.elements("testsuite"))
-                r.add(new SuiteResult(xmlReport, suite, keepLongStdio));
-        } else {
-            // single suite file
-            r.add(new SuiteResult(xmlReport, root, keepLongStdio));
-        }
+        parseSuite(xmlReport,keepLongStdio,r,root);
 
         return r;
     }
 
+    private static void parseSuite(File xmlReport, boolean keepLongStdio, List<SuiteResult> r, Element root) throws DocumentException, IOException {
+        // nested test suites
+        for (Element suite : (List<Element>)root.elements("testsuite"))
+            parseSuite(xmlReport, keepLongStdio, r, suite);
+
+        // child test cases
+        if (root.element("testcase")!=null)
+            r.add(new SuiteResult(xmlReport, root, keepLongStdio));
+    }
+
     /**
      * @param xmlReport
      *      A JUnit XML report file whose top level element is 'testsuite'.