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# Copyright (C) 2018 Google Inc.
#
# 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.
"""Test the test utilities for Fire's tests."""
import sys
from fire import testutils
class TestTestUtils(testutils.BaseTestCase):
"""Let's get meta."""
def testNoCheckOnException(self):
with self.assertRaises(ValueError):
with self.assertOutputMatches(stdout='blah'):
raise ValueError()
def testCheckStdoutOrStderrNone(self):
with self.assertRaisesRegex(AssertionError, 'stdout:'):
with self.assertOutputMatches(stdout=None):
print('blah')
with self.assertRaisesRegex(AssertionError, 'stderr:'):
with self.assertOutputMatches(stderr=None):
print('blah', file=sys.stderr)
with self.assertRaisesRegex(AssertionError, 'stderr:'):
with self.assertOutputMatches(stdout='apple', stderr=None):
print('apple')
print('blah', file=sys.stderr)
def testCorrectOrderingOfAssertRaises(self):
# Check to make sure FireExit tests are correct.
with self.assertOutputMatches(stdout='Yep.*first.*second'):
with self.assertRaises(ValueError):
print('Yep, this is the first line.\nThis is the second.')
raise ValueError()
if __name__ == '__main__':
testutils.main()
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