AppPkg/Applications/Python/Python-2.7.2/Lib/distutils/tests/test_dep_util.py

   1 """Tests for distutils.dep_util."""
   2 import unittest
   3 import os
   4 import time
   5
   6 from distutils.dep_util import newer, newer_pairwise, newer_group
   7 from distutils.errors import DistutilsFileError
   8 from distutils.tests import support
   9 from test.test_support import run_unittest
  10
  11 class DepUtilTestCase(support.TempdirManager, unittest.TestCase):
  12
  13     def test_newer(self):
  14
  15         tmpdir = self.mkdtemp()
  16         new_file = os.path.join(tmpdir, 'new')
  17         old_file = os.path.abspath(__file__)
  18
  19         # Raise DistutilsFileError if 'new_file' does not exist.
  20         self.assertRaises(DistutilsFileError, newer, new_file, old_file)
  21
  22         # Return true if 'new_file' exists and is more recently modified than
  23         # 'old_file', or if 'new_file' exists and 'old_file' doesn't.
  24         self.write_file(new_file)
  25         self.assertTrue(newer(new_file, 'I_dont_exist'))
  26         self.assertTrue(newer(new_file, old_file))
  27
  28         # Return false if both exist and 'old_file' is the same age or younger
  29         # than 'new_file'.
  30         self.assertFalse(newer(old_file, new_file))
  31
  32     def test_newer_pairwise(self):
  33         tmpdir = self.mkdtemp()
  34         sources = os.path.join(tmpdir, 'sources')
  35         targets = os.path.join(tmpdir, 'targets')
  36         os.mkdir(sources)
  37         os.mkdir(targets)
  38         one = os.path.join(sources, 'one')
  39         two = os.path.join(sources, 'two')
  40         three = os.path.abspath(__file__)    # I am the old file
  41         four = os.path.join(targets, 'four')
  42         self.write_file(one)
  43         self.write_file(two)
  44         self.write_file(four)
  45
  46         self.assertEqual(newer_pairwise([one, two], [three, four]),
  47                          ([one],[three]))
  48
  49     def test_newer_group(self):
  50         tmpdir = self.mkdtemp()
  51         sources = os.path.join(tmpdir, 'sources')
  52         os.mkdir(sources)
  53         one = os.path.join(sources, 'one')
  54         two = os.path.join(sources, 'two')
  55         three = os.path.join(sources, 'three')
  56         old_file = os.path.abspath(__file__)
  57
  58         # return true if 'old_file' is out-of-date with respect to any file
  59         # listed in 'sources'.
  60         self.write_file(one)
  61         self.write_file(two)
  62         self.write_file(three)
  63         self.assertTrue(newer_group([one, two, three], old_file))
  64         self.assertFalse(newer_group([one, two, old_file], three))
  65
  66         # missing handling
  67         os.remove(one)
  68         self.assertRaises(OSError, newer_group, [one, two, old_file], three)
  69
  70         self.assertFalse(newer_group([one, two, old_file], three,
  71                                      missing='ignore'))
  72
  73         self.assertTrue(newer_group([one, two, old_file], three,
  74                                     missing='newer'))
  75
  76
  77 def test_suite():
  78     return unittest.makeSuite(DepUtilTestCase)
  79
  80 if __name__ == "__main__":
  81     run_unittest(test_suite())