@Test
public void start_errorThenRestarted() throws Exception {
startAndVerify();
replicator.stop();
Assert.assertEquals(Replicator.State.STOPPING, replicator.getState());
ErrorInfo err = new ErrorInfo(new RuntimeException("Mocked error"));
ReplicationStrategyErrored rse = new ReplicationStrategyErrored(mockStrategy, err);
ReplicationErrored re = new ReplicationErrored(replicator, err);
replicator.error(rse);
Assert.assertEquals(Replicator.State.ERROR, replicator.getState());
verify(mockListener).error(re);
verify(mockListener, never()).complete(any(ReplicationCompleted.class));
doAnswer(
new Answer() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
Thread.sleep(1000); // sleep for a second, will give enough time to check state
return null;
}
})
.when(mockStrategy)
.run();
replicator.start();
Assert.assertEquals(Replicator.State.STARTED, replicator.getState());
Assert.assertTrue(replicator.strategyThread().isAlive());
replicator.await();
Assert.assertFalse(replicator.strategyThread().isAlive());
verify(mockStrategy, times(2)).run();
}
private void startAndVerify() throws Exception {
Assert.assertEquals(Replicator.State.PENDING, replicator.getState());
Assert.assertNull(replicator.strategyThread());
replicator.getEventBus().register(mockListener);
replicator.start();
Assert.assertNotNull(replicator.strategyThread());
Assert.assertEquals(Replicator.State.STARTED, replicator.getState());
// Make sure the strategy returned before move on, other wise
// the mock strategy might not be called when you try to verify
replicator.await();
Assert.assertFalse(replicator.strategyThread().isAlive());
verify(mockStrategy).run();
// No interaction to listener yet
verifyZeroInteractions(mockListener);
}