def test_add_watches_to_udf_ancestors(self):
"""Test that the ancestor watches are not added."""
class FakeVolume(object):
"""A fake UDF."""
def __init__(self, ancestors):
"""Create a new instance."""
self.ancestors = ancestors
ancestors = ['~', '~\\Pictures', '~\\Pictures\\Home', ]
volume = FakeVolume(ancestors)
monitor = FilesystemMonitor(None, None)
added = yield monitor.add_watches_to_udf_ancestors(volume)
self.assertTrue(added, 'We should always return true.')
# lets ensure that we never added the watches
self.assertEqual(0, len(monitor._watch_manager._wdm.values()),
'No watches should have been added.')
def test_add_watch_twice(self):
"""Check the deferred returned by a second add_watch."""
self.patch(Watch, "start_watching", lambda self: self.started)
monitor = FilesystemMonitor(None, None)
# no need to stop watching because start_watching is fake
parent_path = 'C:\\test' # a valid windows path in utf-8 bytes
child_path = parent_path + "\\child"
d1 = monitor.add_watch(parent_path)
d2 = monitor.add_watch(child_path)
self.assertFalse(d1.called, "Should not be called yet.")
self.assertFalse(d2.called, "Should not be called yet.")
monitor._watch_manager._wdm.values()[0].started.callback(True)
self.assertTrue(d1.called, "Should already be called.")
self.assertTrue(d2.called, "Should already be called.")
