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| # return true if 'old_file' is out-of-date with respect to any file |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