| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| # |
| |
| from __future__ import absolute_import |
| |
| import unittest |
| |
| from mock import patch |
| |
| from apache_beam.examples.snippets.util import * |
| |
| |
| class UtilTest(unittest.TestCase): |
| def test_parse_example_empty(self): |
| # python path/to/snippets.py |
| argv = [] |
| with self.assertRaises(SystemExit): |
| self.assertEqual(parse_example(argv), 'example()') |
| |
| def test_parse_example_no_arguments(self): |
| # python path/to/snippets.py example |
| argv = ['example'] |
| self.assertEqual(parse_example(argv), 'example()') |
| |
| def test_parse_example_one_argument(self): |
| # python path/to/snippets.py example A |
| argv = ['example', 'A'] |
| self.assertEqual(parse_example(argv), "example('A')") |
| |
| def test_parse_example_multiple_arguments(self): |
| # python path/to/snippets.py example A B "C's" |
| argv = ['example', 'A', 'B', "C's"] |
| self.assertEqual(parse_example(argv), "example('A', 'B', \"C's\")") |
| |
| @patch('subprocess.call', lambda cmd: None) |
| def test_run_shell_commands(self): |
| commands = [ |
| ' # this is a comment ', |
| ' ! echo this is a shell command ', |
| ' !echo {variable} ', |
| ' echo "quoted arguments work" # trailing comment ', |
| ] |
| actual = list(run_shell_commands(commands, variable='hello world')) |
| expected = [ |
| ['echo', 'this', 'is', 'a', 'shell', 'command'], |
| ['echo', 'hello', 'world'], |
| ['echo', 'quoted arguments work'], |
| ] |
| self.assertEqual(actual, expected) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |