def test__listeners(self):
def listener(e):
event_list.append(e.type)
## Testing the `listener` list and the `event` function
event_list = []
hkshell.event(0)
hkshell.listeners.append(listener)
hkshell.event(1)
hkshell.listeners.append(listener)
# The following event will be received by the `listener` function twice
hkshell.event(2)
hkshell.listeners.remove(listener)
hkshell.event(3)
hkshell.listeners.remove(listener)
hkshell.event(4)
self.assertEqual(event_list, [1, 2, 2, 3])
## Testing the `append_listener` and `remove_listener` functions
event_list = []
hkshell.event(0)
hkshell.append_listener(listener)
# a listener cannot be appended if it's in the list
self.assertRaises(
hkutils.HkException,
lambda: hkshell.append_listener(listener))
hkshell.event(1)
hkshell.remove_listener(listener)
# a listener cannot be removed if it's not in the list
self.assertRaises(
hkutils.HkException,
lambda: hkshell.remove_listener(listener))
hkshell.event(2)
self.assertEqual(event_list, [1])
## Testing instance variables of Event
def listener2(e):
event_list.append(e)
event_list = []
hkshell.append_listener(listener2)
hkshell.event(type='mytype')
hkshell.event(type='mytype', command='mycommand')
hkshell.remove_listener(listener2)
self.assertEqual(event_list[0].type, 'mytype')
self.assertEqual(event_list[0].command, None)
self.assertEqual(event_list[1].type, 'mytype')
self.assertEqual(event_list[1].command, 'mycommand')
def touch_posts_cmd(self, postindices):
hkshell.event(type='before', command='touch_posts_cmd')
for postindex in postindices:
self.p(postindex).touch()
hkshell.event(type='after')
def my_cmd(self, fun):
hkshell.event(type='before', command='my_cmd')
fun()
hkshell.event(type='after')
def my_cmd(fun):
hkshell.event(type='before')
fun()
hkshell.event(type='after')
def f():
# function already defined # pylint: disable=E0102
hkshell.event(type='f_body', command='f_cmd2')
return 1
def f():
hkshell.event(type='f_body', command='f')
return 1
