annotate tests/test-atomictempfile.py @ 19710:887ffa22fd0d

lrucachedict: implement clear()
author Siddharth Agarwal <sid0@fb.com>
date Fri, 06 Sep 2013 13:16:21 -0700
parents fb9d1c2805ff
children f00f1de16454
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d764463b433e atomictempfile: avoid infinite recursion in __del__().
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1 import os
d764463b433e atomictempfile: avoid infinite recursion in __del__().
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2 import glob
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3 import unittest
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4 import silenttestrunner
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5
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6 from mercurial.util import atomictempfile
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7
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8 class testatomictempfile(unittest.TestCase):
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9 def test1_simple(self):
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10 if os.path.exists('foo'):
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11 os.remove('foo')
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12 file = atomictempfile('foo')
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13 (dir, basename) = os.path.split(file._tempname)
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14 self.assertFalse(os.path.isfile('foo'))
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15 self.assertTrue(basename in glob.glob('.foo-*'))
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16
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17 file.write('argh\n')
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18 file.close()
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19
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20 self.assertTrue(os.path.isfile('foo'))
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21 self.assertTrue(basename not in glob.glob('.foo-*'))
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22
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23 # discard() removes the temp file without making the write permanent
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24 def test2_discard(self):
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25 if os.path.exists('foo'):
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26 os.remove('foo')
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27 file = atomictempfile('foo')
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28 (dir, basename) = os.path.split(file._tempname)
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29
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30 file.write('yo\n')
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31 file.discard()
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32
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33 self.assertFalse(os.path.isfile('foo'))
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34 self.assertTrue(basename not in os.listdir('.'))
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35
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36 # if a programmer screws up and passes bad args to atomictempfile, they
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37 # get a plain ordinary TypeError, not infinite recursion
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38 def test3_oops(self):
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39 self.assertRaises(TypeError, atomictempfile)
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40
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41 if __name__ == '__main__':
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42 silenttestrunner.main(__name__)