| 1 | n/a | """Tests for distutils.file_util.""" |
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| 2 | n/a | import unittest |
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| 3 | n/a | import os |
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| 4 | n/a | import errno |
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| 5 | n/a | from unittest.mock import patch |
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| 6 | n/a | |
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| 7 | n/a | from distutils.file_util import move_file, copy_file |
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| 8 | n/a | from distutils import log |
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| 9 | n/a | from distutils.tests import support |
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| 10 | n/a | from distutils.errors import DistutilsFileError |
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| 11 | n/a | from test.support import run_unittest |
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| 12 | n/a | |
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| 13 | n/a | class FileUtilTestCase(support.TempdirManager, unittest.TestCase): |
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| 14 | n/a | |
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| 15 | n/a | def _log(self, msg, *args): |
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| 16 | n/a | if len(args) > 0: |
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| 17 | n/a | self._logs.append(msg % args) |
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| 18 | n/a | else: |
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| 19 | n/a | self._logs.append(msg) |
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| 20 | n/a | |
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| 21 | n/a | def setUp(self): |
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| 22 | n/a | super(FileUtilTestCase, self).setUp() |
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| 23 | n/a | self._logs = [] |
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| 24 | n/a | self.old_log = log.info |
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| 25 | n/a | log.info = self._log |
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| 26 | n/a | tmp_dir = self.mkdtemp() |
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| 27 | n/a | self.source = os.path.join(tmp_dir, 'f1') |
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| 28 | n/a | self.target = os.path.join(tmp_dir, 'f2') |
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| 29 | n/a | self.target_dir = os.path.join(tmp_dir, 'd1') |
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| 30 | n/a | |
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| 31 | n/a | def tearDown(self): |
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| 32 | n/a | log.info = self.old_log |
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| 33 | n/a | super(FileUtilTestCase, self).tearDown() |
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| 34 | n/a | |
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| 35 | n/a | def test_move_file_verbosity(self): |
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| 36 | n/a | f = open(self.source, 'w') |
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| 37 | n/a | try: |
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| 38 | n/a | f.write('some content') |
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| 39 | n/a | finally: |
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| 40 | n/a | f.close() |
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| 41 | n/a | |
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| 42 | n/a | move_file(self.source, self.target, verbose=0) |
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| 43 | n/a | wanted = [] |
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| 44 | n/a | self.assertEqual(self._logs, wanted) |
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| 45 | n/a | |
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| 46 | n/a | # back to original state |
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| 47 | n/a | move_file(self.target, self.source, verbose=0) |
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| 48 | n/a | |
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| 49 | n/a | move_file(self.source, self.target, verbose=1) |
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| 50 | n/a | wanted = ['moving %s -> %s' % (self.source, self.target)] |
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| 51 | n/a | self.assertEqual(self._logs, wanted) |
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| 52 | n/a | |
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| 53 | n/a | # back to original state |
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| 54 | n/a | move_file(self.target, self.source, verbose=0) |
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| 55 | n/a | |
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| 56 | n/a | self._logs = [] |
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| 57 | n/a | # now the target is a dir |
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| 58 | n/a | os.mkdir(self.target_dir) |
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| 59 | n/a | move_file(self.source, self.target_dir, verbose=1) |
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| 60 | n/a | wanted = ['moving %s -> %s' % (self.source, self.target_dir)] |
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| 61 | n/a | self.assertEqual(self._logs, wanted) |
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| 62 | n/a | |
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| 63 | n/a | def test_move_file_exception_unpacking_rename(self): |
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| 64 | n/a | # see issue 22182 |
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| 65 | n/a | with patch("os.rename", side_effect=OSError("wrong", 1)), \ |
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| 66 | n/a | self.assertRaises(DistutilsFileError): |
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| 67 | n/a | with open(self.source, 'w') as fobj: |
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| 68 | n/a | fobj.write('spam eggs') |
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| 69 | n/a | move_file(self.source, self.target, verbose=0) |
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| 70 | n/a | |
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| 71 | n/a | def test_move_file_exception_unpacking_unlink(self): |
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| 72 | n/a | # see issue 22182 |
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| 73 | n/a | with patch("os.rename", side_effect=OSError(errno.EXDEV, "wrong")), \ |
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| 74 | n/a | patch("os.unlink", side_effect=OSError("wrong", 1)), \ |
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| 75 | n/a | self.assertRaises(DistutilsFileError): |
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| 76 | n/a | with open(self.source, 'w') as fobj: |
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| 77 | n/a | fobj.write('spam eggs') |
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| 78 | n/a | move_file(self.source, self.target, verbose=0) |
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| 79 | n/a | |
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| 80 | n/a | def test_copy_file_hard_link(self): |
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| 81 | n/a | with open(self.source, 'w') as f: |
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| 82 | n/a | f.write('some content') |
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| 83 | n/a | st = os.stat(self.source) |
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| 84 | n/a | copy_file(self.source, self.target, link='hard') |
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| 85 | n/a | st2 = os.stat(self.source) |
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| 86 | n/a | st3 = os.stat(self.target) |
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| 87 | n/a | self.assertTrue(os.path.samestat(st, st2), (st, st2)) |
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| 88 | n/a | self.assertTrue(os.path.samestat(st2, st3), (st2, st3)) |
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| 89 | n/a | with open(self.source, 'r') as f: |
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| 90 | n/a | self.assertEqual(f.read(), 'some content') |
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| 91 | n/a | |
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| 92 | n/a | def test_copy_file_hard_link_failure(self): |
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| 93 | n/a | # If hard linking fails, copy_file() falls back on copying file |
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| 94 | n/a | # (some special filesystems don't support hard linking even under |
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| 95 | n/a | # Unix, see issue #8876). |
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| 96 | n/a | with open(self.source, 'w') as f: |
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| 97 | n/a | f.write('some content') |
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| 98 | n/a | st = os.stat(self.source) |
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| 99 | n/a | with patch("os.link", side_effect=OSError(0, "linking unsupported")): |
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| 100 | n/a | copy_file(self.source, self.target, link='hard') |
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| 101 | n/a | st2 = os.stat(self.source) |
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| 102 | n/a | st3 = os.stat(self.target) |
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| 103 | n/a | self.assertTrue(os.path.samestat(st, st2), (st, st2)) |
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| 104 | n/a | self.assertFalse(os.path.samestat(st2, st3), (st2, st3)) |
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| 105 | n/a | for fn in (self.source, self.target): |
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| 106 | n/a | with open(fn, 'r') as f: |
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| 107 | n/a | self.assertEqual(f.read(), 'some content') |
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| 108 | n/a | |
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| 109 | n/a | |
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| 110 | n/a | def test_suite(): |
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| 111 | n/a | return unittest.makeSuite(FileUtilTestCase) |
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| 112 | n/a | |
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| 113 | n/a | if __name__ == "__main__": |
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| 114 | n/a | run_unittest(test_suite()) |
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