/** Test the Rewind Operation. */
@Test
public void testRewind() {
// state2.equals(state3)
StateVertex state2 = new StateVertex("state2", "<table><div>state2</div></table>");
StateVertex state3 = new StateVertex("state3", "<table><div>state2</div></table>");
StateVertex state4 = new StateVertex("state4", "<table><div>state4</div></table>");
/** Can not change to state2 because not inserted yet. */
assertFalse(sm.changeState(state2));
assertNotSame(sm.getCurrentState(), state2);
Eventable c = new Eventable(new Identification(How.xpath, "/bla"), EventType.click);
assertTrue(sm.updateAndCheckIfClone(c, state2, dummyBrowser, new CrawlSession(dummyPool)));
/** Name is correctly changed */
assertEquals("State name changed correctly", "state1", state2.getName());
// can not change to state2 because we are already in state2
assertFalse(sm.changeState(state2));
assertSame(sm.getCurrentState(), state2);
// state2.equals(state3)
assertEquals("state2 equals state3", state2, state3);
// !state2.equals(state4)
assertFalse("state2 not equals state4", state2.equals(state4));
Eventable c2 = new Eventable(new Identification(How.xpath, "/bla2"), EventType.click);
// False because its CLONE!
assertFalse(sm.updateAndCheckIfClone(c2, state3, dummyBrowser, new CrawlSession(dummyPool)));
Eventable c3 = new Eventable(new Identification(How.xpath, "/bla2"), EventType.click);
// True because its not yet known
assertTrue(sm.updateAndCheckIfClone(c3, state4, dummyBrowser, new CrawlSession(dummyPool)));
sm.rewind();
assertEquals("CurrentState == index", index, sm.getCurrentState());
// Now we can go from index -> state2
assertTrue(sm.changeState(state2));
// Now we can go from state2 -> state2
assertTrue(sm.changeState(state2));
// Now we can go from state2 -> state4
assertTrue(sm.changeState(state4));
sm.rewind();
assertEquals("CurrentState == index", index, sm.getCurrentState());
// Now we can not go from index -> state4
assertFalse(sm.changeState(state4));
}
