@Test
  public void testParse() throws Exception {

    File testFile =
        new File(this.getClass().getResource("appDevDebugProjectContainer.xml").getFile());

    XmlEventParser serviceMapParser = new XmlEventParser();
    serviceMapParser.parser(testFile);
    Map<String, String> tags = serviceMapParser.get();

    assertTrue(tags.containsKey("kernel.controller"));
    assertEquals("kernel.event_listener", tags.get("kernel.controller"));

    assertTrue(serviceMapParser.getEventSubscribers("kernel.controller").size() > 0);
    assertEquals(
        "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector",
        serviceMapParser.getEventSubscribers("kernel.controller").get(0).getFqnClassName());
  }