test_shutil.py 文件源码

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)