121 lines
5.3 KiB
Python
121 lines
5.3 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 json
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import logging
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import mock
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import requests
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import unittest
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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 contextlib import contextmanager
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from unittest import TestCase
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from typing import List, Dict, Any, Optional, Callable
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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"):
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# type: (Dict[str, Any], str, str, str, str, str) -> 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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# For calls with send_reply, r is a string (the content of a message),
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# so we need to add it to a Dict as the value of 'content'.
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# For calls with send_message, r is already a Dict.
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response = {'content': r} if expected_method == 'send_reply' else r
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if type != "stream":
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message = {'content': m, 'type': "private", 'display_recipient': recipient,
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'sender_email': email}
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self.assert_bot_response(message=message, response=response, expected_method=expected_method)
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if type != "private":
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message = {'content': m, 'type': "stream", 'display_recipient': recipient,
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'subject': subject, 'sender_email': email}
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self.assert_bot_response(message=message, response=response, expected_method=expected_method)
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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, 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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@contextmanager
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def mock_http_conversation(self, test_name):
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# type: (str) -> Any
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"""
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Use this context manager to mock and verify a bot's HTTP
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requests to the third-party API (and provide the correct
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third-party API response. This allows us to test things
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that would require the Internet without it).
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"""
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assert test_name is not None
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base_path = os.path.realpath(os.path.join(os.path.dirname(
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os.path.abspath(__file__)), '..', 'bots', self.bot_name, 'fixtures'))
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http_request_path = os.path.join(base_path, '{}_request.json'.format(test_name))
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http_response_path = os.path.join(base_path, '{}_response.json'.format(test_name))
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with open(http_request_path, 'r') as http_request_file, \
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open(http_response_path, 'r') as http_response_file:
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http_request = json.load(http_request_file)
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http_response = json.load(http_response_file)
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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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yield
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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 assert_bot_response(self, message, response, expected_method):
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# type: (Dict[str, Any], Dict[str, Any], str) -> 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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self.call_request(message_handler, message, expected_method,
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MockClass, response)
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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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