test_storage_uri.py 文件源码

def testPropertiesUpdated(self):
        b = self._MakeBucket()
        bucket_uri = storage_uri("gs://%s" % b.name)
        key_uri = bucket_uri.clone_replace_name("obj")
        key_uri.set_contents_from_string("data1")

        self.assertRegexpMatches(str(key_uri.generation), r"[0-9]+")
        k = b.get_key("obj")
        self.assertEqual(k.generation, key_uri.generation)
        self.assertEquals(k.get_contents_as_string(), "data1")

        key_uri.set_contents_from_stream(StringIO.StringIO("data2"))
        self.assertRegexpMatches(str(key_uri.generation), r"[0-9]+")
        self.assertGreater(key_uri.generation, k.generation)
        k = b.get_key("obj")
        self.assertEqual(k.generation, key_uri.generation)
        self.assertEquals(k.get_contents_as_string(), "data2")

        key_uri.set_contents_from_file(StringIO.StringIO("data3"))
        self.assertRegexpMatches(str(key_uri.generation), r"[0-9]+")
        self.assertGreater(key_uri.generation, k.generation)
        k = b.get_key("obj")
        self.assertEqual(k.generation, key_uri.generation)
        self.assertEquals(k.get_contents_as_string(), "data3")