@Test
public void test_GetHostAssigmentForComponents() throws Exception {

  TestTopologyRequest request = new TestTopologyRequest(TopologyRequest.Type.PROVISION);
  TopologyValidator validator = createStrictMock(TopologyValidator.class);
  topologyValidators.add(validator);
  validator.validate((ClusterTopology) notNull());
  replayAll();
  replay(validator);
  new ClusterTopologyImpl(null, request).getHostAssignmentsForComponent("component1");
}