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-rw-r--r--Lib/test/test_shutil.py31
1 files changed, 21 insertions, 10 deletions
diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py
index 308f4f2..7f88500 100644
--- a/Lib/test/test_shutil.py
+++ b/Lib/test/test_shutil.py
@@ -18,7 +18,8 @@ from shutil import (_make_tarball, _make_zipfile, make_archive,
register_archive_format, unregister_archive_format,
get_archive_formats, Error, unpack_archive,
register_unpack_format, RegistryError,
- unregister_unpack_format, get_unpack_formats)
+ unregister_unpack_format, get_unpack_formats,
+ SameFileError)
import tarfile
import warnings
@@ -739,7 +740,7 @@ class TestShutil(unittest.TestCase):
with open(src, 'w') as f:
f.write('cheddar')
os.link(src, dst)
- self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
+ self.assertRaises(shutil.SameFileError, shutil.copyfile, src, dst)
with open(src, 'r') as f:
self.assertEqual(f.read(), 'cheddar')
os.remove(dst)
@@ -759,7 +760,7 @@ class TestShutil(unittest.TestCase):
# to TESTFN/TESTFN/cheese, while it should point at
# TESTFN/cheese.
os.symlink('cheese', dst)
- self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
+ self.assertRaises(shutil.SameFileError, shutil.copyfile, src, dst)
with open(src, 'r') as f:
self.assertEqual(f.read(), 'cheddar')
os.remove(dst)
@@ -1266,6 +1267,16 @@ class TestShutil(unittest.TestCase):
self.assertTrue(os.path.exists(rv))
self.assertEqual(read_file(src_file), read_file(dst_file))
+ def test_copyfile_same_file(self):
+ # copyfile() should raise SameFileError if the source and destination
+ # are the same.
+ src_dir = self.mkdtemp()
+ src_file = os.path.join(src_dir, 'foo')
+ write_file(src_file, 'foo')
+ self.assertRaises(SameFileError, shutil.copyfile, src_file, src_file)
+ # But Error should work too, to stay backward compatible.
+ self.assertRaises(Error, shutil.copyfile, src_file, src_file)
+
def test_copytree_return_value(self):
# copytree returns its destination path.
src_dir = self.mkdtemp()
@@ -1557,7 +1568,7 @@ class TestCopyFile(unittest.TestCase):
self._exited_with = exc_type, exc_val, exc_tb
if self._raise_in_exit:
self._raised = True
- raise IOError("Cannot close")
+ raise OSError("Cannot close")
return self._suppress_at_exit
def tearDown(self):
@@ -1571,12 +1582,12 @@ class TestCopyFile(unittest.TestCase):
def test_w_source_open_fails(self):
def _open(filename, mode='r'):
if filename == 'srcfile':
- raise IOError('Cannot open "srcfile"')
+ raise OSError('Cannot open "srcfile"')
assert 0 # shouldn't reach here.
self._set_shutil_open(_open)
- self.assertRaises(IOError, shutil.copyfile, 'srcfile', 'destfile')
+ self.assertRaises(OSError, shutil.copyfile, 'srcfile', 'destfile')
def test_w_dest_open_fails(self):
@@ -1586,14 +1597,14 @@ class TestCopyFile(unittest.TestCase):
if filename == 'srcfile':
return srcfile
if filename == 'destfile':
- raise IOError('Cannot open "destfile"')
+ raise OSError('Cannot open "destfile"')
assert 0 # shouldn't reach here.
self._set_shutil_open(_open)
shutil.copyfile('srcfile', 'destfile')
self.assertTrue(srcfile._entered)
- self.assertTrue(srcfile._exited_with[0] is IOError)
+ self.assertTrue(srcfile._exited_with[0] is OSError)
self.assertEqual(srcfile._exited_with[1].args,
('Cannot open "destfile"',))
@@ -1615,7 +1626,7 @@ class TestCopyFile(unittest.TestCase):
self.assertTrue(srcfile._entered)
self.assertTrue(destfile._entered)
self.assertTrue(destfile._raised)
- self.assertTrue(srcfile._exited_with[0] is IOError)
+ self.assertTrue(srcfile._exited_with[0] is OSError)
self.assertEqual(srcfile._exited_with[1].args,
('Cannot close',))
@@ -1633,7 +1644,7 @@ class TestCopyFile(unittest.TestCase):
self._set_shutil_open(_open)
- self.assertRaises(IOError,
+ self.assertRaises(OSError,
shutil.copyfile, 'srcfile', 'destfile')
self.assertTrue(srcfile._entered)
self.assertTrue(destfile._entered)