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# coding: utf-8
#
# Copyright 2011 Yesudeep Mangalapilly <yesudeep@gmail.com>
# Copyright 2012 Google, Inc & contributors.
#
# 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
#
# http://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.
import time
from pathlib import Path
import pytest
from watchdog.events import LoggingEventHandler, FileModifiedEvent
from watchdog.observers.api import (
BaseObserver,
EventEmitter,
ObservedWatch,
EventDispatcher,
EventQueue
)
def test_observer_constructor():
ObservedWatch(Path('/foobar'), True)
def test_observer__eq__():
watch1 = ObservedWatch('/foobar', True)
watch2 = ObservedWatch('/foobar', True)
watch_ne1 = ObservedWatch('/foo', True)
watch_ne2 = ObservedWatch('/foobar', False)
assert watch1 == watch2
assert watch1.__eq__(watch2)
assert not watch1.__eq__(watch_ne1)
assert not watch1.__eq__(watch_ne2)
def test_observer__ne__():
watch1 = ObservedWatch('/foobar', True)
watch2 = ObservedWatch('/foobar', True)
watch_ne1 = ObservedWatch('/foo', True)
watch_ne2 = ObservedWatch('/foobar', False)
assert not watch1.__ne__(watch2)
assert watch1.__ne__(watch_ne1)
assert watch1.__ne__(watch_ne2)
def test_observer__repr__():
observed_watch = ObservedWatch('/foobar', True)
repr_str = '<ObservedWatch: path=/foobar, is_recursive=True>'
assert observed_watch.__repr__() == repr(observed_watch)
assert repr(observed_watch) == repr_str
def test_event_emitter():
event_queue = EventQueue()
watch = ObservedWatch('/foobar', True)
event_emitter = EventEmitter(event_queue, watch, timeout=1)
event_emitter.queue_event(FileModifiedEvent('/foobar/blah'))
def test_event_dispatcher():
event = FileModifiedEvent('/foobar')
watch = ObservedWatch('/path', True)
class TestableEventDispatcher(EventDispatcher):
def dispatch_event(self, event, watch):
assert True
event_dispatcher = TestableEventDispatcher()
event_dispatcher.event_queue.put((event, watch))
event_dispatcher.start()
time.sleep(1)
event_dispatcher.stop()
def test_observer_basic():
observer = BaseObserver(EventEmitter)
handler = LoggingEventHandler()
watch = observer.schedule(handler, '/foobar', True)
observer.add_handler_for_watch(handler, watch)
observer.add_handler_for_watch(handler, watch)
observer.remove_handler_for_watch(handler, watch)
with pytest.raises(KeyError):
observer.remove_handler_for_watch(handler, watch)
observer.unschedule(watch)
with pytest.raises(KeyError):
observer.unschedule(watch)
watch = observer.schedule(handler, '/foobar', True)
observer.event_queue.put((FileModifiedEvent('/foobar'), watch))
observer.start()
time.sleep(1)
observer.unschedule_all()
observer.stop()
observer.join()
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