mirror of https://github.com/python/cpython
82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
"""Tests for distutils.dep_util."""
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import unittest
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import os
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import time
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from distutils.dep_util import newer, newer_pairwise, newer_group
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from distutils.errors import DistutilsFileError
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from distutils.tests import support
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from test.test_support import run_unittest
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class DepUtilTestCase(support.TempdirManager, unittest.TestCase):
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def test_newer(self):
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tmpdir = self.mkdtemp()
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new_file = os.path.join(tmpdir, 'new')
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old_file = os.path.abspath(__file__)
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# Raise DistutilsFileError if 'new_file' does not exist.
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self.assertRaises(DistutilsFileError, newer, new_file, old_file)
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# Return true if 'new_file' exists and is more recently modified than
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# 'old_file', or if 'new_file' exists and 'old_file' doesn't.
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self.write_file(new_file)
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self.assertTrue(newer(new_file, 'I_dont_exist'))
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self.assertTrue(newer(new_file, old_file))
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# Return false if both exist and 'old_file' is the same age or younger
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# than 'new_file'.
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self.assertFalse(newer(old_file, new_file))
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def test_newer_pairwise(self):
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tmpdir = self.mkdtemp()
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sources = os.path.join(tmpdir, 'sources')
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targets = os.path.join(tmpdir, 'targets')
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os.mkdir(sources)
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os.mkdir(targets)
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one = os.path.join(sources, 'one')
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two = os.path.join(sources, 'two')
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three = os.path.abspath(__file__) # I am the old file
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four = os.path.join(targets, 'four')
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self.write_file(one)
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self.write_file(two)
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self.write_file(four)
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self.assertEqual(newer_pairwise([one, two], [three, four]),
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([one],[three]))
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def test_newer_group(self):
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tmpdir = self.mkdtemp()
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sources = os.path.join(tmpdir, 'sources')
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os.mkdir(sources)
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one = os.path.join(sources, 'one')
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two = os.path.join(sources, 'two')
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three = os.path.join(sources, 'three')
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old_file = os.path.abspath(__file__)
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# return true if 'old_file' is out-of-date with respect to any file
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# listed in 'sources'.
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self.write_file(one)
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self.write_file(two)
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self.write_file(three)
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self.assertTrue(newer_group([one, two, three], old_file))
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self.assertFalse(newer_group([one, two, old_file], three))
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# missing handling
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os.remove(one)
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self.assertRaises(OSError, newer_group, [one, two, old_file], three)
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self.assertFalse(newer_group([one, two, old_file], three,
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missing='ignore'))
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self.assertTrue(newer_group([one, two, old_file], three,
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missing='newer'))
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def test_suite():
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return unittest.makeSuite(DepUtilTestCase)
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if __name__ == "__main__":
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run_unittest(test_suite())
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