/** Tests parsing valid strings */
  @Test
  public void parseValidString() {
    String[] validValues = {
      CLUSTER.getValue(),
      DC.getValue(),
      OTHER_DC.getValue(),
      CLUSTER.getValue() + "," + DC.getValue() + "," + OTHER_DC.getValue()
    };

    for (String invalidValue : validValues) {
      FenceProxySourceTypeHelper.parseFromString(invalidValue);
    }
  }