6aa9de447e
Now that we no longer support py27, we can use the standard library unittest.mock module instead of the third party mock lib. Change-Id: Ibb42643faf23bba4a91019b87e7d23e8b36ce1a7
51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
# (c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import subprocess
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import unittest
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from unittest import mock
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from unittest.mock import patch
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from freezer.utils import exec_cmd
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class TestExec(unittest.TestCase):
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def test_exec_cmd(self):
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cmd = "echo test > test.txt"
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popen = patch('freezer.utils.exec_cmd.subprocess.Popen')
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mock_popen = popen.start()
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mock_popen.return_value = mock.Mock()
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mock_popen.return_value.communicate = mock.Mock()
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mock_popen.return_value.communicate.return_value = ['some stderr']
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mock_popen.return_value.returncode = 0
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exec_cmd.execute(cmd)
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assert (mock_popen.call_count == 1)
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mock_popen.assert_called_with(['echo', 'test', '>', 'test.txt'],
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shell=False,
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stderr=subprocess.PIPE,
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stdout=subprocess.PIPE)
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popen.stop()
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def test__exec_cmd_with_pipe(self):
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cmd = "echo test|wc -l"
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popen = patch('freezer.utils.exec_cmd.subprocess.Popen')
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mock_popen = popen.start()
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mock_popen.return_value = mock.Mock()
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mock_popen.return_value.communicate = mock.Mock()
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mock_popen.return_value.communicate.return_value = ['some stderr']
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mock_popen.return_value.returncode = 0
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exec_cmd.execute(cmd)
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assert (mock_popen.call_count == 2)
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popen.stop()
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