82 lines
3.1 KiB
Python
Executable File
82 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2020 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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"""Tests the python_packages module."""
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import collections
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import io
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import unittest
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from unittest import mock
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from pw_env_setup import python_packages
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def _subprocess_run_stdout(stdout=b'foo==1.0\nbar==2.0\npw-foo @ file:...\n'):
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def subprocess_run(*unused_args, **unused_kwargs):
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CompletedProcess = collections.namedtuple('CompletedProcess', 'stdout')
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return CompletedProcess(stdout=stdout)
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return subprocess_run
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class TestPythonPackages(unittest.TestCase):
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"""Tests the python_packages module."""
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@mock.patch('pw_env_setup.python_packages.subprocess.run',
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side_effect=_subprocess_run_stdout())
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def test_list(self, unused_mock):
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buf = io.StringIO()
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python_packages.ls(buf)
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self.assertIn('foo==1.0', buf.getvalue())
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self.assertIn('bar==2.0', buf.getvalue())
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self.assertNotIn('pw-foo', buf.getvalue())
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@mock.patch('pw_env_setup.python_packages.subprocess.run',
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side_effect=_subprocess_run_stdout())
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@mock.patch('pw_env_setup.python_packages._stderr')
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def test_diff_removed(self, stderr_mock, unused_mock):
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expected = io.StringIO('foo==1.0\nbar==2.0\nbaz==3.0\n')
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expected.name = 'test.name'
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self.assertFalse(python_packages.diff(expected))
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stderr_mock.assert_any_call('Removed packages')
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stderr_mock.assert_any_call(' baz==3.0')
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@mock.patch('pw_env_setup.python_packages.subprocess.run',
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side_effect=_subprocess_run_stdout())
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@mock.patch('pw_env_setup.python_packages._stderr')
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def test_diff_updated(self, stderr_mock, unused_mock):
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expected = io.StringIO('foo==1.0\nbar==1.9\n')
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expected.name = 'test.name'
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self.assertTrue(python_packages.diff(expected))
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stderr_mock.assert_any_call('Updated packages')
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stderr_mock.assert_any_call(' bar==2.0 (from 1.9)')
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stderr_mock.assert_any_call("Package versions don't match!")
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@mock.patch('pw_env_setup.python_packages.subprocess.run',
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side_effect=_subprocess_run_stdout())
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@mock.patch('pw_env_setup.python_packages._stderr')
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def test_diff_new(self, stderr_mock, unused_mock):
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expected = io.StringIO('foo==1.0\n')
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expected.name = 'test.name'
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self.assertTrue(python_packages.diff(expected))
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stderr_mock.assert_any_call('New packages')
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stderr_mock.assert_any_call(' bar==2.0')
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stderr_mock.assert_any_call("Package versions don't match!")
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if __name__ == '__main__':
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unittest.main()
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