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# Copyright 2018 ARM Limited
#
# 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 logging
import unittest
from nose.tools import assert_equal, assert_true, assert_false
import wa.framework.signal as signal
class Callable(object):
def __init__(self, val):
self.val = val
def __call__(self):
return self.val
class TestPriorityDispatcher(unittest.TestCase):
def setUp(self):
# Stop logger output interfering with nose output in the console.
logger = logging.getLogger('signal')
logger.setLevel(logging.CRITICAL)
def test_ConnectNotify(self):
one = Callable(1)
two = Callable(2)
three = Callable(3)
signal.connect(
two,
'test',
priority=200
)
signal.connect(
one,
'test',
priority=100
)
signal.connect(
three,
'test',
priority=300
)
result = [i[1] for i in signal.send('test')]
assert_equal(result, [3, 2, 1])
def test_wrap_propagate(self):
d = {'before': False, 'after': False, 'success': False}
def before():
d['before'] = True
def after():
d['after'] = True
def success():
d['success'] = True
signal.connect(before, signal.BEFORE_WORKLOAD_SETUP)
signal.connect(after, signal.AFTER_WORKLOAD_SETUP)
signal.connect(success, signal.SUCCESSFUL_WORKLOAD_SETUP)
caught = False
try:
with signal.wrap('WORKLOAD_SETUP'):
raise RuntimeError()
except RuntimeError:
caught=True
assert_true(d['before'])
assert_true(d['after'])
assert_true(caught)
assert_false(d['success'])
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