test_shutil.py 文件源码

def test_unpack_archive(self):
        formats = ['tar', 'gztar', 'zip']
        if BZ2_SUPPORTED:
            formats.append('bztar')

        for format in formats:
            tmpdir = self.mkdtemp()
            base_dir, root_dir, base_name =  self._create_files()
            tmpdir2 = self.mkdtemp()
            filename = make_archive(base_name, format, root_dir, base_dir)

            # let's try to unpack it now
            unpack_archive(filename, tmpdir2)
            diff = self._compare_dirs(tmpdir, tmpdir2)
            self.assertEqual(diff, [])

            # and again, this time with the format specified
            tmpdir3 = self.mkdtemp()
            unpack_archive(filename, tmpdir3, format=format)
            diff = self._compare_dirs(tmpdir, tmpdir3)
            self.assertEqual(diff, [])
        self.assertRaises(shutil.ReadError, unpack_archive, TESTFN)
        self.assertRaises(ValueError, unpack_archive, TESTFN, format='xxx')