# 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()