| 1 | # Copyright (C) 2003 Python Software Foundation
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| 2 |
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| 3 | import unittest
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| 4 | import shutil
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| 5 | import tempfile
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| 6 | import sys
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| 7 | import stat
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| 8 | import os
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| 9 | import os.path
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| 10 | from test import test_support
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| 11 | from test.test_support import TESTFN
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| 12 |
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| 13 | class TestShutil(unittest.TestCase):
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| 14 | def test_rmtree_errors(self):
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| 15 | # filename is guaranteed not to exist
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| 16 | filename = tempfile.mktemp()
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| 17 | self.assertRaises(OSError, shutil.rmtree, filename)
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| 18 |
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| 19 | # See bug #1071513 for why we don't run this on cygwin
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| 20 | # and bug #1076467 for why we don't run this as root.
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| 21 | if (hasattr(os, 'chmod') and sys.platform[:6] != 'cygwin'
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| 22 | and not (hasattr(os, 'geteuid') and os.geteuid() == 0)):
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| 23 | def test_on_error(self):
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| 24 | self.errorState = 0
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| 25 | os.mkdir(TESTFN)
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| 26 | self.childpath = os.path.join(TESTFN, 'a')
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| 27 | f = open(self.childpath, 'w')
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| 28 | f.close()
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| 29 | old_dir_mode = os.stat(TESTFN).st_mode
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| 30 | old_child_mode = os.stat(self.childpath).st_mode
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| 31 | # Make unwritable.
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| 32 | os.chmod(self.childpath, stat.S_IREAD)
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| 33 | os.chmod(TESTFN, stat.S_IREAD)
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| 34 |
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| 35 | shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror)
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| 36 | # Test whether onerror has actually been called.
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| 37 | self.assertEqual(self.errorState, 2,
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| 38 | "Expected call to onerror function did not happen.")
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| 39 |
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| 40 | # Make writable again.
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| 41 | os.chmod(TESTFN, old_dir_mode)
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| 42 | os.chmod(self.childpath, old_child_mode)
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| 43 |
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| 44 | # Clean up.
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| 45 | shutil.rmtree(TESTFN)
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| 46 |
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| 47 | def check_args_to_onerror(self, func, arg, exc):
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| 48 | if self.errorState == 0:
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| 49 | self.assertEqual(func, os.remove)
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| 50 | self.assertEqual(arg, self.childpath)
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| 51 | self.failUnless(issubclass(exc[0], OSError))
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| 52 | self.errorState = 1
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| 53 | else:
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| 54 | self.assertEqual(func, os.rmdir)
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| 55 | self.assertEqual(arg, TESTFN)
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| 56 | self.failUnless(issubclass(exc[0], OSError))
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| 57 | self.errorState = 2
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| 58 |
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| 59 | def test_rmtree_dont_delete_file(self):
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| 60 | # When called on a file instead of a directory, don't delete it.
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| 61 | handle, path = tempfile.mkstemp()
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| 62 | os.fdopen(handle).close()
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| 63 | self.assertRaises(OSError, shutil.rmtree, path)
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| 64 | os.remove(path)
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| 65 |
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| 66 | def test_dont_move_dir_in_itself(self):
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| 67 | src_dir = tempfile.mkdtemp()
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| 68 | try:
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| 69 | dst = os.path.join(src_dir, 'foo')
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| 70 | self.assertRaises(shutil.Error, shutil.move, src_dir, dst)
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| 71 | finally:
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| 72 | try:
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| 73 | os.rmdir(src_dir)
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| 74 | except:
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| 75 | pass
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| 76 |
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| 77 | def test_copytree_simple(self):
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| 78 | def write_data(path, data):
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| 79 | f = open(path, "w")
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| 80 | f.write(data)
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| 81 | f.close()
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| 82 |
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| 83 | def read_data(path):
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| 84 | f = open(path)
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| 85 | data = f.read()
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| 86 | f.close()
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| 87 | return data
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| 88 |
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| 89 | src_dir = tempfile.mkdtemp()
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| 90 | dst_dir = os.path.join(tempfile.mkdtemp(), 'destination')
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| 91 |
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| 92 | write_data(os.path.join(src_dir, 'test.txt'), '123')
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| 93 |
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| 94 | os.mkdir(os.path.join(src_dir, 'test_dir'))
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| 95 | write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456')
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| 96 |
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| 97 | try:
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| 98 | shutil.copytree(src_dir, dst_dir)
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| 99 | self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test.txt')))
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| 100 | self.assertTrue(os.path.isdir(os.path.join(dst_dir, 'test_dir')))
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| 101 | self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test_dir',
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| 102 | 'test.txt')))
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| 103 | actual = read_data(os.path.join(dst_dir, 'test.txt'))
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| 104 | self.assertEqual(actual, '123')
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| 105 | actual = read_data(os.path.join(dst_dir, 'test_dir', 'test.txt'))
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| 106 | self.assertEqual(actual, '456')
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| 107 | finally:
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| 108 | for path in (
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| 109 | os.path.join(src_dir, 'test.txt'),
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| 110 | os.path.join(dst_dir, 'test.txt'),
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| 111 | os.path.join(src_dir, 'test_dir', 'test.txt'),
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| 112 | os.path.join(dst_dir, 'test_dir', 'test.txt'),
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| 113 | ):
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| 114 | if os.path.exists(path):
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| 115 | os.remove(path)
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| 116 | for path in (
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| 117 | os.path.join(src_dir, 'test_dir'),
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| 118 | os.path.join(dst_dir, 'test_dir'),
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| 119 | ):
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| 120 | if os.path.exists(path):
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| 121 | os.removedirs(path)
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| 122 |
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| 123 |
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| 124 | if hasattr(os, "symlink"):
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| 125 | def test_dont_copy_file_onto_link_to_itself(self):
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| 126 | # bug 851123.
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| 127 | os.mkdir(TESTFN)
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| 128 | src = os.path.join(TESTFN, 'cheese')
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| 129 | dst = os.path.join(TESTFN, 'shop')
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| 130 | try:
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| 131 | f = open(src, 'w')
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| 132 | f.write('cheddar')
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| 133 | f.close()
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| 134 |
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| 135 | os.link(src, dst)
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| 136 | self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
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| 137 | self.assertEqual(open(src,'r').read(), 'cheddar')
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| 138 | os.remove(dst)
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| 139 |
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| 140 | # Using `src` here would mean we end up with a symlink pointing
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| 141 | # to TESTFN/TESTFN/cheese, while it should point at
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| 142 | # TESTFN/cheese.
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| 143 | os.symlink('cheese', dst)
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| 144 | self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
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| 145 | self.assertEqual(open(src,'r').read(), 'cheddar')
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| 146 | os.remove(dst)
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| 147 | finally:
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| 148 | try:
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| 149 | shutil.rmtree(TESTFN)
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| 150 | except OSError:
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| 151 | pass
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| 152 |
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| 153 | def test_main():
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| 154 | test_support.run_unittest(TestShutil)
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| 155 |
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| 156 | if __name__ == '__main__':
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| 157 | test_main()
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