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annotate Lib/test/test_dircache.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents 614c84670c63
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 """
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2 Test cases for the dircache module
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3 Nick Mathewson
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4 """
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5
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6 import unittest
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7 from test.test_support import run_unittest, import_module
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8 dircache = import_module('dircache', deprecated=True)
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9 import os, time, sys, tempfile
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10
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11
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12 class DircacheTests(unittest.TestCase):
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13 def setUp(self):
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14 self.tempdir = tempfile.mkdtemp()
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15
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16 def tearDown(self):
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17 for fname in os.listdir(self.tempdir):
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18 self.delTemp(fname)
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19 os.rmdir(self.tempdir)
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20
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21 def writeTemp(self, fname):
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22 f = open(os.path.join(self.tempdir, fname), 'w')
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23 f.close()
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24
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25 def mkdirTemp(self, fname):
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26 os.mkdir(os.path.join(self.tempdir, fname))
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27
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28 def delTemp(self, fname):
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29 fname = os.path.join(self.tempdir, fname)
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30 if os.path.isdir(fname):
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31 os.rmdir(fname)
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32 else:
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33 os.unlink(fname)
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34
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35 def test_listdir(self):
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36 ## SUCCESSFUL CASES
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37 entries = dircache.listdir(self.tempdir)
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38 self.assertEqual(entries, [])
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39
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40 # Check that cache is actually caching, not just passing through.
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41 self.assertTrue(dircache.listdir(self.tempdir) is entries)
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42
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43 # Directories aren't "files" on Windows, and directory mtime has
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44 # nothing to do with when files under a directory get created.
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45 # That is, this test can't possibly work under Windows -- dircache
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46 # is only good for capturing a one-shot snapshot there.
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47
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48 if sys.platform[:3] not in ('win', 'os2'):
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49 # Sadly, dircache has the same granularity as stat.mtime, and so
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50 # can't notice any changes that occurred within 1 sec of the last
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51 # time it examined a directory.
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52 time.sleep(1)
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53 self.writeTemp("test1")
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54 entries = dircache.listdir(self.tempdir)
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55 self.assertEqual(entries, ['test1'])
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56 self.assertTrue(dircache.listdir(self.tempdir) is entries)
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57
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58 ## UNSUCCESSFUL CASES
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59 self.assertRaises(OSError, dircache.listdir, self.tempdir+"_nonexistent")
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60
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61 def test_annotate(self):
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62 self.writeTemp("test2")
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63 self.mkdirTemp("A")
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64 lst = ['A', 'test2', 'test_nonexistent']
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65 dircache.annotate(self.tempdir, lst)
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66 self.assertEqual(lst, ['A/', 'test2', 'test_nonexistent'])
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67
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68
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69 def test_main():
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70 try:
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71 run_unittest(DircacheTests)
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72 finally:
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73 dircache.reset()
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76 if __name__ == "__main__":
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77 test_main()