mirror of https://github.com/python/cpython
103 lines
3.3 KiB
Python
103 lines
3.3 KiB
Python
# Copyright (C) 2003 Python Software Foundation
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import unittest
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import shutil
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import tempfile
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import stat
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import os
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import os.path
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from test import test_support
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from test.test_support import TESTFN
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class TestShutil(unittest.TestCase):
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def test_rmtree_errors(self):
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# filename is guaranteed not to exist
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filename = tempfile.mktemp()
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self.assertRaises(OSError, shutil.rmtree, filename)
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if hasattr(os, 'chmod'):
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def test_on_error(self):
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self.errorState = 0
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os.mkdir(TESTFN)
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self.childpath = os.path.join(TESTFN, 'a')
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f = open(self.childpath, 'w')
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f.close()
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old_dir_mode = os.stat(TESTFN).st_mode
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old_child_mode = os.stat(self.childpath).st_mode
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# Make unwritable.
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os.chmod(self.childpath, stat.S_IREAD)
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os.chmod(TESTFN, stat.S_IREAD)
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shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror)
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# Make writable again.
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os.chmod(TESTFN, old_dir_mode)
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os.chmod(self.childpath, old_child_mode)
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# Clean up.
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shutil.rmtree(TESTFN)
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def check_args_to_onerror(self, func, arg, exc):
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if self.errorState == 0:
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self.assertEqual(func, os.remove)
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self.assertEqual(arg, self.childpath)
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self.assertEqual(exc[0], OSError)
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self.errorState = 1
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else:
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self.assertEqual(func, os.rmdir)
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self.assertEqual(arg, TESTFN)
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self.assertEqual(exc[0], OSError)
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def test_rmtree_dont_delete_file(self):
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# When called on a file instead of a directory, don't delete it.
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handle, path = tempfile.mkstemp()
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os.fdopen(handle).close()
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self.assertRaises(OSError, shutil.rmtree, path)
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os.remove(path)
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def test_dont_move_dir_in_itself(self):
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src_dir = tempfile.mkdtemp()
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try:
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dst = os.path.join(src_dir, 'foo')
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self.assertRaises(shutil.Error, shutil.move, src_dir, dst)
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finally:
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try:
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os.rmdir(src_dir)
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except:
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pass
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if hasattr(os, "symlink"):
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def test_dont_copy_file_onto_link_to_itself(self):
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# bug 851123.
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os.mkdir(TESTFN)
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src = os.path.join(TESTFN, 'cheese')
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dst = os.path.join(TESTFN, 'shop')
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try:
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f = open(src, 'w')
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f.write('cheddar')
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f.close()
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os.link(src, dst)
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self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
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self.assertEqual(open(src,'r').read(), 'cheddar')
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os.remove(dst)
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# Using `src` here would mean we end up with a symlink pointing
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# to TESTFN/TESTFN/cheese, while it should point at
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# TESTFN/cheese.
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os.symlink('cheese', dst)
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self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
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self.assertEqual(open(src,'r').read(), 'cheddar')
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os.remove(dst)
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finally:
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try:
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shutil.rmtree(TESTFN)
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except OSError:
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pass
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def test_main():
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test_support.run_unittest(TestShutil)
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if __name__ == '__main__':
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test_main()
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