156 lines
6.9 KiB
Python
Executable file
156 lines
6.9 KiB
Python
Executable file
#!/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 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 zulip_bots.lib import StateHandler
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import zulip_bots.lib
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from six.moves import zip
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from contextlib import contextmanager
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from importlib import import_module
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from unittest import TestCase
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from typing import List, Dict, Any, Optional, Callable, Tuple
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from types import ModuleType
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from copy import deepcopy
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class BotTestCase(TestCase):
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bot_name = '' # type: str
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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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lib_module = import_module('zulip_bots.bots.{bot}.{bot}'.format(bot=self.bot_name)) # type: Any
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return lib_module.handler_class()
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def setUp(self):
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# type: () -> None
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# Mocking ExternalBotHandler
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self.patcher = patch('zulip_bots.lib.ExternalBotHandler', autospec=True)
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self.MockClass = self.patcher.start()
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self.mock_bot_handler = self.MockClass(None, None)
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self.mock_bot_handler.storage = StateHandler()
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self.message_handler = self.get_bot_message_handler()
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def tearDown(self):
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# type: () -> None
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self.patcher.stop()
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def initialize_bot(self):
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# type: () -> None
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self.message_handler.initialize(self.mock_bot_handler)
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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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sender_id=0, sender_full_name="Foo Bar", type="all"):
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# type: (List[Tuple[str, Any]], str, str, str, str, int, 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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private_message_template = {'type': "private", 'display_recipient': recipient,
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'sender_email': email, 'sender_id': sender_id,
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'sender_full_name': sender_full_name}
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stream_message_template = {'type': "stream", 'display_recipient': recipient,
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'subject': subject, 'sender_email': email, 'sender_id': sender_id,
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'sender_full_name': sender_full_name}
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message_templates = []
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if type in ["private", "all"]:
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message_templates.append(private_message_template)
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if type in ["stream", "all"]:
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message_templates.append(stream_message_template)
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initial_storage = deepcopy(self.mock_bot_handler.storage)
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for message_template in message_templates:
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# A new copy of the StateHandler is used for every new conversation with a
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# different base template. This avoids type="all" failing if the created state
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# of a prior conversation influences the current one.
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self.mock_bot_handler.storage = deepcopy(initial_storage)
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for m, r in expectations:
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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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message = dict(message_template, content = m)
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response = {'content': r} if expected_method == 'send_reply' else r
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self.assert_bot_response(message=message, response=response,
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expected_method=expected_method)
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def call_request(self, message, expected_method, response):
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# type: (Dict[str, Any], str, Dict[str, Any]) -> None
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# Send message to the concerned bot
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self.message_handler.handle_message(message, self.mock_bot_handler)
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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 = self.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_config_info(self, config_info):
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# type: (Dict[str, str]) -> Any
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self.MockClass.return_value.get_config_info.return_value = config_info
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yield
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self.MockClass.return_value.get_config_info.return_value = None
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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_data_path = os.path.join(base_path, '{}.json'.format(test_name))
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with open(http_data_path, 'r') as http_data_file:
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http_data = json.load(http_data_file)
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http_request = http_data.get('request')
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http_response = http_data.get('response')
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http_headers = http_data.get('response-headers')
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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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if 'text' in http_response:
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mock_result.text = http_response.get('text', None)
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mock_result.status_code = http_headers.get('status', 200)
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mock_result.ok.return_value = http_headers.get('ok', True)
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mock_get.return_value = mock_result
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yield
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if 'params' in http_request:
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params = http_request.get('params', None)
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mock_get.assert_called_with(http_request['api_url'], params=params)
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elif 'headers' in http_request:
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headers = http_request.get('headers', None)
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mock_get.assert_called_with(http_request['api_url'], headers=headers)
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else:
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mock_get.assert_called_with(http_request['api_url'])
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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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# Strictly speaking, this function is not needed anymore,
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# kept for now for legacy reasons.
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self.call_request(message, expected_method, response)
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