/** 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));
}
/**
* Make sure InvariantViolationPlugin executed.
*
* @throws ConfigurationException when failure configuring Properties
*/
@Test
public void testInvariantFailurePlugin() throws ConfigurationException {
hit = false;
CrawljaxConfigurationBuilder builder =
CrawljaxConfiguration.builderFor("http://localhost")
.addPlugin(
new OnInvariantViolationPlugin() {
@Override
public void onInvariantViolation(Invariant invariant, CrawlSession session) {
hit = true;
}
});
builder
.crawlRules()
.addInvariant(
new Invariant(
"Test123",
new Condition() {
@Override
public NodeList getAffectedNodes() {
return null;
}
@Override
public boolean check(EmbeddedBrowser browser) {
return false;
}
}));
setStateMachineForConfig(builder.build());
// state2.equals(state3)
StateVertex state2 = new StateVertex("state2", "<table><div>state2</div></table>");
StateVertex state3 = new StateVertex("state3", "<table><div>state2</div></table>");
Eventable c = new Eventable(new Identification(How.xpath, "/bla"), EventType.click);
assertTrue(sm.updateAndCheckIfClone(c, state2, dummyBrowser, new CrawlSession(dummyPool)));
// New State so hit must be true;
assertTrue("InvariantViolationPlugin are exeucted", hit);
hit = false;
assertFalse("Hit reseted", hit);
Eventable c2 = new Eventable(new Identification(How.xpath, "/bla"), EventType.click);
assertFalse(sm.updateAndCheckIfClone(c2, state3, dummyBrowser, new CrawlSession(dummyPool)));
// New State so plugin execution
assertTrue("InvariantViolationPlugin are exeucted", hit);
}
/** Make sure Invariants are executed! */
@Test
public void testInvariants() {
// state2.equals(state3)
StateVertex state2 = new StateVertex("state2", "<table><div>state2</div></table>");
StateVertex state3 = new StateVertex("state3", "<table><div>state2</div></table>");
hit = false;
ImmutableList<Invariant> iList =
ImmutableList.of(
new Invariant(
"Test123",
new Condition() {
@Override
public NodeList getAffectedNodes() {
return null;
}
@Override
public boolean check(EmbeddedBrowser browser) {
hit = true;
return false;
}
}));
StateMachine smLocal =
new StateMachine(new StateFlowGraph(index), index, iList, Plugins.noPlugins());
Eventable c = new Eventable(new Identification(How.xpath, "/bla"), EventType.click);
assertTrue(smLocal.updateAndCheckIfClone(c, state2, dummyBrowser, new CrawlSession(dummyPool)));
// New State so hit must be true;
assertTrue("Invariants are exeucted", hit);
hit = false;
assertFalse("Hit reseted", hit);
Eventable c2 = new Eventable(new Identification(How.xpath, "/bla"), EventType.click);
assertFalse(
smLocal.updateAndCheckIfClone(c2, state3, dummyBrowser, new CrawlSession(dummyPool)));
// CLONE State so hit must be true;
assertTrue("Invariants are exeucted", hit);
}
/** Test the Clone state behaviour. */
@Test
public void testCloneState() {
// state2.equals(state3)
StateVertex state2 = new StateVertex("state2", "<table><div>state2</div></table>");
StateVertex state3 = new StateVertex("state3", "<table><div>state2</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 != state3 because other objects.
assertNotSame("state2 != state3", state2, state3);
Eventable c2 = new Eventable(new Identification(How.xpath, "/bla2"), EventType.click);
// False because its CLONE!
assertFalse(sm.updateAndCheckIfClone(c2, state3, dummyBrowser, new CrawlSession(dummyPool)));
// state2.equals(state3)
assertEquals("state2 equals state3", state2, state3);
// state2 == sm.getCurrentState() because changed in update.
assertSame("state2 == state3", state2, sm.getCurrentState());
/** Name is correctly changed */
assertEquals("State name changed correctly", "state1", sm.getCurrentState().getName());
}
/**
* Make sure On new State Plugin executed.
*
* @throws ConfigurationException when failure configuring Properties
*/
@Test
public void testOnNewStatePlugin() throws ConfigurationException {
hit = false;
CrawljaxConfiguration config =
CrawljaxConfiguration.builderFor("http://localhost")
.addPlugin(
new OnNewStatePlugin() {
@Override
public void onNewState(CrawlSession session) {
hit = true;
}
})
.build();
setStateMachineForConfig(config);
// state2.equals(state3)
StateVertex state2 = new StateVertex("state2", "<table><div>state2</div></table>");
StateVertex state3 = new StateVertex("state3", "<table><div>state2</div></table>");
Eventable c = new Eventable(new Identification(How.xpath, "/bla"), EventType.click);
assertTrue(sm.updateAndCheckIfClone(c, state2, dummyBrowser, new CrawlSession(dummyPool)));
// New State so hit must be true;
assertTrue("Plugins are exeucted", hit);
hit = false;
assertFalse("Hit reseted", hit);
Eventable c2 = new Eventable(new Identification(How.xpath, "/bla"), EventType.click);
assertFalse(sm.updateAndCheckIfClone(c2, state3, dummyBrowser, new CrawlSession(dummyPool)));
// CLONE State so no plugin execution
assertFalse("Plugins are NOT exeucted", hit);
}
/** Test the Change State operation. */
@Test
public void testChangeState() {
StateVertex state2 = new StateVertex("state2", "<table><div>state2</div></table>");
/** Can not change index because not added. */
assertFalse(sm.changeState(state2));
assertNotSame(sm.getCurrentState(), state2);
/** Add index. */
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());
/** Current index is the new index */
assertEquals(sm.getCurrentState(), state2);
/** Change back. */
assertTrue(sm.changeState(index));
assertEquals(sm.getCurrentState(), index);
}