mirror of https://github.com/zulip/zulip.git
131 lines
6.4 KiB
Python
131 lines
6.4 KiB
Python
#!/usr/bin/env python
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from __future__ import absolute_import
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from __future__ import print_function
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import os
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import sys
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import unittest
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import logging
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import requests
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import mock
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from mock import MagicMock, patch
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from run import get_lib_module
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from bot_lib import StateHandler
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from bots_api import bot_lib
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from six.moves import zip
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from unittest import TestCase
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from typing import List, Dict, Any, Optional
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from types import ModuleType
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current_dir = os.path.dirname(os.path.abspath(__file__))
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class BotTestCase(TestCase):
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bot_name = '' # type: str
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def check_expected_responses(self, expectations, expected_method='send_reply',
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email="foo_sender@zulip.com", recipient="foo", subject="foo",
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type="all", http_request=None, http_response=None):
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# type: (Dict[str, Any], str, str, str, str, str, Dict[str, Any], Dict[str, Any]) -> None
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# To test send_message, Any would be a Dict type,
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# to test send_reply, Any would be a str type.
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if type not in ["private", "stream", "all"]:
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logging.exception("check_expected_response expects type to be 'private', 'stream' or 'all'")
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for m, r in expectations.items():
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if type != "stream":
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self.mock_test(
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messages={'content': m, 'type': "private", 'display_recipient': recipient,
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'sender_email': email}, bot_response=r, expected_method=expected_method,
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http_request=http_request, http_response=http_response)
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if type != "private":
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self.mock_test(
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messages={'content': m, 'type': "stream", 'display_recipient': recipient,
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'subject': subject, 'sender_email': email}, bot_response=r,
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expected_method=expected_method, http_request=http_request, http_response=http_response)
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def mock_test(self, messages, bot_response, expected_method,
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http_request=None, http_response=None):
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# type: (Dict[str, str], Any, str, Dict[str, Any], Dict[str, Any]) -> None
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if expected_method == "send_message":
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# Since send_message function uses bot_response of type Dict, no
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# further changes required.
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self.assert_bot_output(messages=[messages], bot_response=[bot_response], expected_method=expected_method,
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http_request=http_request, http_response=http_response)
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else:
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# Since send_reply function uses bot_response of type str, we
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# do convert the str type to a Dict type to have the same assert_bot_output function.
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bot_response_type_dict = {'content': bot_response}
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self.assert_bot_output(messages=[messages], bot_response=[bot_response_type_dict], expected_method=expected_method,
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http_request=http_request, http_response=http_response)
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def get_bot_message_handler(self):
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# type: () -> Any
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# message_handler is of type 'Any', since it can contain any bot's
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# handler class. Eventually, we want bot's handler classes to
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# inherit from a common prototype specifying the handle_message
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# function.
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bot_module = os.path.join(current_dir, "bots",
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self.bot_name, self.bot_name + ".py")
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message_handler = self.bot_to_run(bot_module)
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return message_handler
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def call_request(self, message_handler, message, expected_method,
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MockClass, response):
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# type: (Any, Dict[str, Any], str, Any, Optional[Dict[str, Any]]) -> None
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# Send message to the concerned bot
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message_handler.handle_message(message, MockClass(), StateHandler())
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# Check if the bot is sending a message via `send_message` function.
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# Where response is a dictionary here.
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instance = MockClass.return_value
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if expected_method == "send_message":
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instance.send_message.assert_called_with(response)
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else:
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instance.send_reply.assert_called_with(message, response['content'])
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def assert_bot_output(self, messages, bot_response, expected_method,
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http_request=None, http_response=None):
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# type: (List[Dict[str, Any]], List[Dict[str, str]], str, Optional[Dict[str, Any]], Optional[Dict[str, Any]]) -> None
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message_handler = self.get_bot_message_handler()
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# Mocking BotHandlerApi
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with patch('bots_api.bot_lib.BotHandlerApi') as MockClass:
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for (message, response) in zip(messages, bot_response):
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# If not mock http_request/http_response are provided,
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# just call the request normally (potentially using
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# the Internet)
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if http_response is None:
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assert http_request is None
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self.call_request(message_handler, message, expected_method,
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MockClass, response)
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continue
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# Otherwise, we mock requests, and verify that the bot
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# made the correct HTTP request to the third-party API
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# (and provide the correct third-party API response.
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# This allows us to test things that would require the
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# Internet without it).
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assert http_request is not None
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with patch('requests.get') as mock_get:
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mock_result = mock.MagicMock()
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mock_result.json.return_value = http_response
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mock_result.ok.return_value = True
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mock_get.return_value = mock_result
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self.call_request(message_handler, message, expected_method,
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MockClass, response)
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# Check if the bot is sending the correct http_request corresponding
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# to the given http_response.
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if http_request is not None:
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mock_get.assert_called_with(http_request['api_url'],
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params=http_request['params'])
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def bot_to_run(self, bot_module):
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# Returning Any, same argument as in get_bot_message_handler function.
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# type: (str) -> Any
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lib_module = get_lib_module(bot_module)
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message_handler = lib_module.handler_class()
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return message_handler
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