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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 pytest
from watchdog.utils.bricks import SkipRepeatsQueue
from .markers import cpython_only
def basic_actions():
q = SkipRepeatsQueue()
e1 = (2, 'fred')
e2 = (2, 'george')
e3 = (4, 'sally')
q.put(e1)
q.put(e2)
q.put(e3)
assert e1 == q.get()
assert e2 == q.get()
assert e3 == q.get()
assert q.empty()
def test_basic_queue():
basic_actions()
def test_allow_nonconsecutive():
q = SkipRepeatsQueue()
e1 = (2, 'fred')
e2 = (2, 'george')
q.put(e1)
q.put(e2)
q.put(e1) # repeat the first entry
assert e1 == q.get()
assert e2 == q.get()
assert e1 == q.get()
assert q.empty()
def test_prevent_consecutive():
q = SkipRepeatsQueue()
e1 = (2, 'fred')
e2 = (2, 'george')
q.put(e1)
q.put(e1) # repeat the first entry (this shouldn't get added)
q.put(e2)
assert e1 == q.get()
assert e2 == q.get()
assert q.empty()
def test_consecutives_allowed_across_empties():
q = SkipRepeatsQueue()
e1 = (2, 'fred')
q.put(e1)
q.put(e1) # repeat the first entry (this shouldn't get added)
assert e1 == q.get()
assert q.empty()
q.put(e1) # this repeat is allowed because 'last' added is now gone from queue
assert e1 == q.get()
assert q.empty()
@cpython_only
def test_eventlet_monkey_patching():
try:
import eventlet
except Exception:
pytest.skip("eventlet not installed")
eventlet.monkey_patch()
basic_actions()
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