def test_veto_stopping(self):
""" veto stopping """
application = TestApplication()
# This listener will veto the 'stopping' event.
application.on_trait_change(vetoer, 'stopping')
tracker = EventTracker(subscriptions=[(
application,
'starting'), (application,
'started'), (application,
'stopping'), (application, 'stopped')])
# Start the application.
started = application.start()
self.assertEqual(['starting', 'started'], tracker.event_names)
self.assertEqual(True, started)
# Stop the application.
stopped = application.stop()
self.assertEqual(False, stopped)
self.assertTrue('stopped' not in tracker.event_names)
return
def test_no_plugins(self):
""" no plugins """
application = TestApplication()
tracker = EventTracker(
subscriptions = [
(application, 'starting'),
(application, 'started'),
(application, 'stopping'),
(application, 'stopped')
]
)
# Start the application.
started = application.start()
self.assertEqual(True, started)
self.assertEqual(['starting', 'started'], tracker.event_names)
# Stop the application.
stopped = application.stop()
self.assertEqual(True, stopped)
self.assertEqual(
['starting', 'started', 'stopping', 'stopped'], tracker.event_names
)
def test_veto_starting(self):
""" veto starting """
application = TestApplication()
# This listener will veto the 'starting' event.
application.on_trait_change(vetoer, "starting")
tracker = EventTracker(subscriptions=[
(application, "starting"),
(application, "started"),
(application, "stopping"),
(application, "stopped"),
])
# Start the application.
started = application.start()
self.assertEqual(False, started)
self.assertTrue("started" not in tracker.event_names)