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27 lines
808 B
Python
27 lines
808 B
Python
# test_which.py - Unit tests for swift_build_support.which -*- python -*-
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#
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# This source file is part of the Swift.org open source project
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#
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# Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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# Licensed under Apache License v2.0 with Runtime Library Exception
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#
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# See https://swift.org/LICENSE.txt for license information
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# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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import os
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import unittest
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from swift_build_support.which import which
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class WhichTestCase(unittest.TestCase):
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def test_when_cmd_not_found_returns_none(self):
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self.assertIsNone(which('a-tool-that-doesnt-exist'))
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def test_when_cmd_found_returns_path(self):
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self.assertEqual(os.path.split(which('ls'))[-1], 'ls')
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if __name__ == '__main__':
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unittest.main()
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