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137 lines
4.7 KiB
137 lines
4.7 KiB
#!/usr/bin/env python3
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# Copyright 2016 The Android Open Source Project
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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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"""Unittests for the shell module."""
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import difflib
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import os
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import sys
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import unittest
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_path = os.path.realpath(__file__ + '/../..')
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if sys.path[0] != _path:
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sys.path.insert(0, _path)
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del _path
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# We have to import our local modules after the sys.path tweak. We can't use
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# relative imports because this is an executable program, not a module.
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# pylint: disable=wrong-import-position
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import rh.shell
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class DiffTestCase(unittest.TestCase):
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"""Helper that includes diff output when failing."""
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def setUp(self):
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self.differ = difflib.Differ()
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def _assertEqual(self, func, test_input, test_output, result):
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"""Like assertEqual but with built in diff support."""
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diff = '\n'.join(list(self.differ.compare([test_output], [result])))
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msg = ('Expected %s to translate %r to %r, but got %r\n%s' %
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(func, test_input, test_output, result, diff))
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self.assertEqual(test_output, result, msg)
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def _testData(self, functor, tests, check_type=True):
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"""Process a dict of test data."""
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for test_output, test_input in tests.items():
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result = functor(test_input)
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self._assertEqual(functor.__name__, test_input, test_output, result)
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if check_type:
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# Also make sure the result is a string, otherwise the %r
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# output will include a "u" prefix and that is not good for
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# logging.
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self.assertEqual(type(test_output), str)
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class ShellQuoteTest(DiffTestCase):
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"""Test the shell_quote & shell_unquote functions."""
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def testShellQuote(self):
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"""Basic ShellQuote tests."""
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# Dict of expected output strings to input lists.
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tests_quote = {
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"''": '',
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'a': u'a',
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"'a b c'": u'a b c',
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"'a\tb'": 'a\tb',
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"'/a$file'": '/a$file',
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"'/a#file'": '/a#file',
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"""'b"c'""": 'b"c',
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"'a@()b'": 'a@()b',
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'j%k': 'j%k',
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r'''"s'a\$va\\rs"''': r"s'a$va\rs",
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r'''"\\'\\\""''': r'''\'\"''',
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r'''"'\\\$"''': r"""'\$""",
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}
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# Expected input output specific to ShellUnquote. This string cannot
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# be produced by ShellQuote but is still a valid bash escaped string.
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tests_unquote = {
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r'''\$''': r'''"\\$"''',
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}
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def aux(s):
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return rh.shell.shell_unquote(rh.shell.shell_quote(s))
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self._testData(rh.shell.shell_quote, tests_quote)
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self._testData(rh.shell.shell_unquote, tests_unquote)
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# Test that the operations are reversible.
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self._testData(aux, {k: k for k in tests_quote.values()}, False)
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self._testData(aux, {k: k for k in tests_quote}, False)
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class CmdToStrTest(DiffTestCase):
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"""Test the cmd_to_str function."""
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def testCmdToStr(self):
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# Dict of expected output strings to input lists.
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tests = {
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r"a b": ['a', 'b'],
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r"'a b' c": ['a b', 'c'],
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r'''a "b'c"''': ['a', "b'c"],
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r'''a "/'\$b" 'a b c' "xy'z"''':
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[u'a', "/'$b", 'a b c', "xy'z"],
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'': [],
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}
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self._testData(rh.shell.cmd_to_str, tests)
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class BooleanShellTest(unittest.TestCase):
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"""Test the boolean_shell_value function."""
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def testFull(self):
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"""Verify nputs work as expected"""
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for v in (None,):
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self.assertTrue(rh.shell.boolean_shell_value(v, True))
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self.assertFalse(rh.shell.boolean_shell_value(v, False))
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for v in (1234, '', 'akldjsf', '"'):
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self.assertRaises(ValueError, rh.shell.boolean_shell_value, v, True)
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for v in ('yes', 'YES', 'YeS', 'y', 'Y', '1', 'true', 'True', 'TRUE',):
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self.assertTrue(rh.shell.boolean_shell_value(v, True))
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self.assertTrue(rh.shell.boolean_shell_value(v, False))
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for v in ('no', 'NO', 'nO', 'n', 'N', '0', 'false', 'False', 'FALSE',):
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self.assertFalse(rh.shell.boolean_shell_value(v, True))
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self.assertFalse(rh.shell.boolean_shell_value(v, False))
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if __name__ == '__main__':
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unittest.main()
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