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# pyOCD debugger
# Copyright (c) 2017-2019 Arm Limited
# SPDX-License-Identifier: Apache-2.0
#
# 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.
from time import (time, sleep)
import pytest
from unittest.mock import Mock
from pyocd.utility.timeout import Timeout
@pytest.fixture(scope='function')
def mock_time(monkeypatch):
mtime = Mock()
mtime.return_value = 0
monkeypatch.setattr('pyocd.utility.timeout.time', mtime)
return mtime
@pytest.fixture(scope='function')
def mock_sleep(monkeypatch, mock_time):
def inc_time(offset):
mock_time.return_value += offset
msleep = Mock()
msleep.side_effect = inc_time
msleep.return_value = None
monkeypatch.setattr('pyocd.utility.timeout.sleep', msleep)
return msleep
class TestTimeout:
def test_no_timeout(self, mock_time, mock_sleep):
with Timeout(0.05) as to:
cnt = 0
while to.check():
mock_sleep(0.01)
cnt += 1
if cnt == 2:
break
else:
assert False
assert not to.did_time_out
def test_timeout_a(self, mock_time, mock_sleep):
with Timeout(0.05) as to:
while to.check():
mock_sleep(0.01)
assert to.did_time_out
def test_timeout_b(self, mock_time, mock_sleep):
timedout = False
print(repr(time))
with Timeout(0.05) as to:
cnt = 0
while cnt < 10:
if to.did_time_out:
timedout = True
mock_sleep(0.02)
cnt += 1
assert timedout
assert to.did_time_out
def test_timeout_c(self, mock_time, mock_sleep):
timedout = False
with Timeout(0.05) as to:
cnt = 0
while cnt < 10:
if to.did_time_out:
timedout = True
cnt += 1
assert not timedout
assert not to.did_time_out
def test_timeout_reset(self, mock_time, mock_sleep):
cnt = 0
cnta = 0
with Timeout(0.05) as to:
cnta = 0
while cnta < 3:
cnt = 0
while to.check():
mock_sleep(0.01)
if cnta > 1:
break
cnt += 1
else:
assert to.did_time_out
to.clear()
to.start()
cnta += 1
assert cnta == 3 and cnt == 0
assert not to.did_time_out
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