test_node.py 文件源码

def test_request_block_whenIndexIsLatest_thenRequestsLatestBlockFromNode(self):
        mock_response = Mock()
        mock_response.status_code = 200
        mock_response.json.return_value = '{"nonce": 12345, "index": 35, "transactions": [], "timestamp": 1234567890, "current_hash": "current_hash", "previous_hash": "previous_hash"}'

        with patch.object(FullNode, '__init__', return_value=None) as patched_init, \
                patch("crankycoin.node.Block.current_hash", new_callable=PropertyMock) as patched_block_current_hash, \
                patch("crankycoin.requests.get", return_value=mock_response) as patched_requests:
            patched_block_current_hash.return_value = "current_hash"
            node = FullNode("127.0.0.1", "reward_address")

            block = node.request_block("127.0.0.2", "30013", "latest")

            self.assertIsNotNone(block)
            self.assertEqual(block.index, 35)
            self.assertEqual(block.transactions, [])
            self.assertEqual(block.previous_hash, "previous_hash")
            self.assertEqual(block.current_hash, "current_hash")
            self.assertEqual(block.timestamp, 1234567890)
            self.assertEqual(block.nonce, 12345)
            patched_requests.assert_called_once_with('http://127.0.0.2:30013/block/latest')