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# Copyright (C) 2003 Python Software Foundation
import unittest
import shutil
import tempfile
import sys
import stat
import os
import os.path
from test import test_support
from test.test_support import TESTFN
class TestShutil(unittest.TestCase):
def test_rmtree_errors(self):
# filename is guaranteed not to exist
filename = tempfile.mktemp()
self.assertRaises(OSError, shutil.rmtree, filename)
# See bug #1071513 for why we don't run this on cygwin
# and bug #1076467 for why we don't run this as root.
if (hasattr(os, 'chmod') and sys.platform[:6] != 'cygwin'
and not (hasattr(os, 'geteuid') and os.geteuid() == 0)):
def test_on_error(self):
self.errorState = 0
os.mkdir(TESTFN)
self.childpath = os.path.join(TESTFN, 'a')
f = open(self.childpath, 'w')
f.close()
old_dir_mode = os.stat(TESTFN).st_mode
old_child_mode = os.stat(self.childpath).st_mode
# Make unwritable.
os.chmod(self.childpath, stat.S_IREAD)
os.chmod(TESTFN, stat.S_IREAD)
shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror)
# Test whether onerror has actually been called.
self.assertEqual(self.errorState, 2,
"Expected call to onerror function did not happen.")
# Make writable again.
os.chmod(TESTFN, old_dir_mode)
os.chmod(self.childpath, old_child_mode)
# Clean up.
shutil.rmtree(TESTFN)
def check_args_to_onerror(self, func, arg, exc):
if self.errorState == 0:
self.assertEqual(func, os.remove)
self.assertEqual(arg, self.childpath)
self.failUnless(issubclass(exc[0], OSError))
self.errorState = 1
else:
self.assertEqual(func, os.rmdir)
self.assertEqual(arg, TESTFN)
self.failUnless(issubclass(exc[0], OSError))
self.errorState = 2
def test_rmtree_dont_delete_file(self):
# When called on a file instead of a directory, don't delete it.
handle, path = tempfile.mkstemp()
os.fdopen(handle).close()
self.assertRaises(OSError, shutil.rmtree, path)
os.remove(path)
def test_dont_move_dir_in_itself(self):
src_dir = tempfile.mkdtemp()
try:
dst = os.path.join(src_dir, 'foo')
self.assertRaises(shutil.Error, shutil.move, src_dir, dst)
finally:
try:
os.rmdir(src_dir)
except:
pass
def test_copytree_simple(self):
src_dir = tempfile.mkdtemp()
dst_dir = os.path.join(tempfile.mkdtemp(), 'destination')
open(os.path.join(src_dir, 'test.txt'), 'w').write('123')
os.mkdir(os.path.join(src_dir, 'test_dir'))
open(os.path.join(src_dir, 'test_dir', 'test.txt'), 'w').write('456')
#
try:
shutil.copytree(src_dir, dst_dir)
self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test.txt')))
self.assertTrue(os.path.isdir(os.path.join(dst_dir, 'test_dir')))
self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test_dir', 'test.txt')))
self.assertEqual(open(os.path.join(dst_dir, 'test.txt')).read(), '123')
self.assertEqual(open(os.path.join(dst_dir, 'test_dir', 'test.txt')).read(), '456')
finally:
try:
os.remove(os.path.join(src_dir, 'test.txt'))
os.remove(os.path.join(dst_dir, 'test.txt'))
os.remove(os.path.join(src_dir, 'test_dir', 'test.txt'))
os.remove(os.path.join(dst_dir, 'test_dir', 'test.txt'))
os.removedirs(src_dir)
os.removedirs(dst_dir)
except:
pass
if hasattr(os, "symlink"):
def test_dont_copy_file_onto_link_to_itself(self):
# bug 851123.
os.mkdir(TESTFN)
src = os.path.join(TESTFN, 'cheese')
dst = os.path.join(TESTFN, 'shop')
try:
f = open(src, 'w')
f.write('cheddar')
f.close()
os.link(src, dst)
self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
self.assertEqual(open(src,'r').read(), 'cheddar')
os.remove(dst)
# Using `src` here would mean we end up with a symlink pointing
# to TESTFN/TESTFN/cheese, while it should point at
# TESTFN/cheese.
os.symlink('cheese', dst)
self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
self.assertEqual(open(src,'r').read(), 'cheddar')
os.remove(dst)
finally:
try:
shutil.rmtree(TESTFN)
except OSError:
pass
def test_main():
test_support.run_unittest(TestShutil)
if __name__ == '__main__':
test_main()
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