Files
bumble_mirror/tests/utils_test.py
Gilles Boccon-Gibod b50a48fed3 add pyee group util
2023-09-19 16:14:53 -07:00

123 lines
3.1 KiB
Python

# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import contextlib
from pyee import EventEmitter
from bumble.utils import event_emitter_once_for_group, event_emitters_once_for_group
# -----------------------------------------------------------------------------
def test_event_emitter_once_for_group():
results = {'event1': None, 'event2': None, 'released': 0}
def handler1(x):
results['event1'] = x
def handler2(y):
results['event2'] = y
emitter = EventEmitter()
event_emitter_once_for_group(
emitter,
{
'event1': handler1,
'event2': handler2,
},
)
emitter.emit('event1', 'hello')
assert results['event1'] == 'hello'
assert results['event2'] is None
results['event1'] = None
emitter.emit('event1', 'hello')
emitter.emit('event2', 1234)
assert results['event1'] is None
assert results['event2'] is None
@contextlib.contextmanager
def managed():
try:
yield 1234
finally:
results['released'] += 1
event_emitter_once_for_group(
emitter,
{
'event1': handler1,
'event2': handler2,
},
managed(),
)
assert results['released'] == 0
emitter.emit('event2', 7756)
assert results['event1'] is None
assert results['event2'] == 7756
assert results['released'] == 1
# -----------------------------------------------------------------------------
def test_event_emitters_once_for_group():
results = {'event1': None, 'event2': None, 'released': 0}
def handler1(x):
results['event1'] = x
def handler2(y):
results['event2'] = y
emitter1 = EventEmitter()
emitter2 = EventEmitter()
event_emitters_once_for_group(
{
(emitter1, 'event1'): handler1,
(emitter2, 'event2'): handler2,
},
)
emitter1.emit('event1', 'hello')
emitter2.emit('event1', 'foobar')
assert results['event1'] == 'hello'
assert results['event2'] is None
results['event1'] = None
emitter1.emit('event1', 'hello')
emitter1.emit('event2', 1234)
emitter2.emit('event1', 'hello')
emitter2.emit('event2', 1234)
assert results['event1'] is None
assert results['event2'] is None
# -----------------------------------------------------------------------------
if __name__ == '__main__':
test_event_emitter_once_for_group()
test_event_emitters_once_for_group()