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3f37ee7897
--HG-- rename : testing/mozbase/mozfile/tests/is_url.py => testing/mozbase/mozfile/tests/test_url.py
84 lines
2.4 KiB
Python
84 lines
2.4 KiB
Python
#!/usr/bin/env python
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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"""
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tests for mozfile.NamedTemporaryFile
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"""
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import mozfile
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import os
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import unittest
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class TestNamedTemporaryFile(unittest.TestCase):
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def test_iteration(self):
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"""ensure the line iterator works"""
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# make a file and write to it
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tf = mozfile.NamedTemporaryFile()
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notes = ['doe', 'rae', 'mi']
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for note in notes:
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tf.write('%s\n' % note)
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tf.flush()
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# now read from it
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tf.seek(0)
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lines = [line.rstrip('\n') for line in tf.readlines()]
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self.assertEqual(lines, notes)
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# now read from it iteratively
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lines = []
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for line in tf:
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lines.append(line.strip())
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self.assertEqual(lines, []) # because we did not seek(0)
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tf.seek(0)
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lines = []
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for line in tf:
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lines.append(line.strip())
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self.assertEqual(lines, notes)
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def test_delete(self):
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"""ensure ``delete=True/False`` works as expected"""
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# make a deleteable file; ensure it gets cleaned up
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path = None
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with mozfile.NamedTemporaryFile(delete=True) as tf:
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path = tf.name
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self.assertTrue(isinstance(path, basestring))
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self.assertFalse(os.path.exists(path))
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# it is also deleted when __del__ is called
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# here we will do so explicitly
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tf = mozfile.NamedTemporaryFile(delete=True)
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path = tf.name
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self.assertTrue(os.path.exists(path))
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del tf
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self.assertFalse(os.path.exists(path))
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# Now the same thing but we won't delete the file
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path = None
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try:
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with mozfile.NamedTemporaryFile(delete=False) as tf:
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path = tf.name
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self.assertTrue(os.path.exists(path))
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finally:
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if path and os.path.exists(path):
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os.remove(path)
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path = None
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try:
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tf = mozfile.NamedTemporaryFile(delete=False)
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path = tf.name
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self.assertTrue(os.path.exists(path))
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del tf
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self.assertTrue(os.path.exists(path))
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finally:
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if path and os.path.exists(path):
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os.remove(path)
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if __name__ == '__main__':
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unittest.main()
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