def testCopy(self):
gfile.MkDir(self.tmp + "dir1")
gfile.MkDir(self.tmp + "dir2")
with gfile.GFile(self.tmp + "dir1/file1", "w"):
pass # Create file
with gfile.GFile(self.tmp + "dir2/file2", "w"):
pass # Create file
# Dest file already exists, overwrite=False (default).
self.assertRaises(
OSError, lambda: gfile.Copy(self.tmp + "dir1/file1", self.tmp +
"dir2/file2"))
# Overwrite succeeds
gfile.Copy(self.tmp + "dir1/file1",
self.tmp + "dir2/file2",
overwrite=True)
self.assertTrue(gfile.Exists(self.tmp + "dir2/file2"))
# Normal copy.
gfile.Rename(self.tmp + "dir1/file1", self.tmp + "dir2/file1")
self.assertTrue(gfile.Exists(self.tmp + "dir2/file1"))
# Normal copy to non-existent dir
self.assertRaises(
OSError, lambda: gfile.Rename(self.tmp + "dir1/file1", self.tmp +
"newdir/file1"))
def testRename(self):
gfile.MkDir(self.tmp + "dir1")
gfile.MkDir(self.tmp + "dir2")
with gfile.GFile(self.tmp + "file1", "w"):
pass # Create file
with gfile.GFile(self.tmp + "file2", "w"):
pass # Create file
# Dest file already exists, overwrite=False (default).
self.assertRaises(
OSError,
lambda: gfile.Rename(self.tmp + "file1", self.tmp + "file2"))
gfile.Rename(self.tmp + "file1", self.tmp + "file2", overwrite=True)
self.assertFalse(gfile.Exists(self.tmp + "file1"))
gfile.Rename(self.tmp + "file2", self.tmp + "newfile")
self.assertTrue(gfile.Exists(self.tmp + "newfile"))
gfile.Rename(self.tmp + "dir1", self.tmp + "dir2")
self.assertFalse(gfile.Exists(self.tmp + "dir1"))
gfile.Rename(self.tmp + "dir2", self.tmp + "newdir")
self.assertTrue(gfile.Exists(self.tmp + "newdir"))
def _write_with_backup(filename, content):
if gfile.Exists(filename):
gfile.Rename(filename, filename + '.old', overwrite=True)
with gfile.Open(filename, 'w') as f:
f.write(content)