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svn+ssh://pythondev@svn.python.org/python/trunk ........ r76746 | tarek.ziade | 2009-12-10 16:29:03 +0100 (Thu, 10 Dec 2009) | 1 line added test coverage for distutils.dep_util, and cleaned up the module ........
101 lines
3.4 KiB
Python
101 lines
3.4 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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# XXX needs to be tuned for the various platforms
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_ST_MIME_TIMER = 1
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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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target = os.path.join(tmpdir, 'target')
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source = os.path.join(tmpdir, 'source')
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# Raise DistutilsFileError if 'source' does not exist.
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self.assertRaises(DistutilsFileError, newer, target, source)
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# Return true if 'source' exists and is more recently modified than
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# 'target', or if 'source' exists and 'target' doesn't.
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self.write_file(target)
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self.assertTrue(newer(target, source))
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self.write_file(source, 'xox')
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time.sleep(_ST_MIME_TIMER) # ensures ST_MTIME differs
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self.write_file(target, 'xhx')
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self.assertTrue(newer(target, source))
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# Return false if both exist and 'target' is the same age or younger
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# than 'source'.
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self.write_file(source, 'xox'); self.write_file(target, 'xhx')
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self.assertFalse(newer(target, source))
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self.write_file(target, 'xox')
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time.sleep(_ST_MIME_TIMER)
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self.write_file(source, 'xhx')
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self.assertFalse(newer(target, source))
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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.join(targets, 'three')
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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(three)
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self.write_file(four)
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time.sleep(_ST_MIME_TIMER)
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self.write_file(two)
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self.assertEquals(newer_pairwise([one, two], [three, four]),
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([two],[four]))
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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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target = os.path.join(tmpdir, 'target')
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# return true if 'target' is out-of-date with respect to any file
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# listed in 'sources'.
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self.write_file(target)
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time.sleep(_ST_MIME_TIMER)
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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], target))
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self.write_file(one)
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self.write_file(three)
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self.write_file(two)
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time.sleep(0.1)
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self.write_file(target)
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self.assertFalse(newer_group([one, two, three], target))
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# missing handling
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os.remove(one)
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self.assertRaises(OSError, newer_group, [one, two, three], target)
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self.assertFalse(newer_group([one, two, three], target,
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missing='ignore'))
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self.assertTrue(newer_group([one, two, three], target,
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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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unittest.main(defaultTest="test_suite")
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