python-zulip-api/bots_api/bots_test_lib.py

139 lines
6 KiB
Python

#!/usr/bin/env python
from __future__ import absolute_import
from __future__ import print_function
import os
import sys
import json
import logging
import mock
import requests
import unittest
from mock import MagicMock, patch
from run import get_lib_module
from bot_lib import StateHandler
from bots_api import bot_lib
from six.moves import zip
from contextlib import contextmanager
from unittest import TestCase
from typing import List, Dict, Any, Optional, Callable
from types import ModuleType
current_dir = os.path.dirname(os.path.abspath(__file__))
class BotTestCase(TestCase):
bot_name = '' # type: str
def get_bot_message_handler(self):
# type: () -> Any
# message_handler is of type 'Any', since it can contain any bot's
# handler class. Eventually, we want bot's handler classes to
# inherit from a common prototype specifying the handle_message
# function.
bot_module_path = os.path.normpath(os.path.join(
current_dir, '..', 'bots', self.bot_name, self.bot_name + '.py'))
lib_module = get_lib_module(bot_module_path)
return lib_module.handler_class()
def setUp(self):
# type: () -> None
# Mocking ExternalBotHandler
self.patcher = patch('bots_api.bot_lib.ExternalBotHandler')
self.MockClass = self.patcher.start()
self.message_handler = self.get_bot_message_handler()
def tearDown(self):
# type: () -> None
self.patcher.stop()
def initialize_bot(self):
# type: () -> None
self.message_handler.initialize(self.MockClass())
def check_expected_responses(self, expectations, expected_method='send_reply',
email="foo_sender@zulip.com", recipient="foo", subject="foo",
sender_id=0, sender_full_name="Foo Bar", type="all"):
# type: (Dict[str, Any], str, str, str, str, int, str, str) -> None
# To test send_message, Any would be a Dict type,
# to test send_reply, Any would be a str type.
if type not in ["private", "stream", "all"]:
logging.exception("check_expected_response expects type to be 'private', 'stream' or 'all'")
for m, r in expectations.items():
# For calls with send_reply, r is a string (the content of a message),
# so we need to add it to a Dict as the value of 'content'.
# For calls with send_message, r is already a Dict.
response = {'content': r} if expected_method == 'send_reply' else r
if type != "stream":
message = {'content': m, 'type': "private", 'display_recipient': recipient,
'sender_email': email, 'sender_id': sender_id,
'sender_full_name': sender_full_name}
self.assert_bot_response(message=message, response=response, expected_method=expected_method)
if type != "private":
message = {'content': m, 'type': "stream", 'display_recipient': recipient,
'subject': subject, 'sender_email': email, 'sender_id': sender_id,
'sender_full_name': sender_full_name}
self.assert_bot_response(message=message, response=response, expected_method=expected_method)
def call_request(self, message, expected_method, response):
# type: (Dict[str, Any], str, Dict[str, Any]) -> None
# Send message to the concerned bot
self.message_handler.handle_message(message, self.MockClass(), StateHandler())
# Check if the bot is sending a message via `send_message` function.
# Where response is a dictionary here.
instance = self.MockClass.return_value
if expected_method == "send_message":
instance.send_message.assert_called_with(response)
else:
instance.send_reply.assert_called_with(message, response['content'])
@contextmanager
def mock_config_info(self, config_info):
# type: (Dict[str, str]) -> Any
self.MockClass.return_value.get_config_info.return_value = config_info
yield
self.MockClass.return_value.get_config_info.return_value = None
@contextmanager
def mock_http_conversation(self, test_name):
# type: (str) -> Any
"""
Use this context manager to mock and verify a bot's HTTP
requests to the third-party API (and provide the correct
third-party API response. This allows us to test things
that would require the Internet without it).
"""
assert test_name is not None
base_path = os.path.realpath(os.path.join(os.path.dirname(
os.path.abspath(__file__)), '..', 'bots', self.bot_name, 'fixtures'))
http_data_path = os.path.join(base_path, '{}.json'.format(test_name))
with open(http_data_path, 'r') as http_data_file:
http_data = json.load(http_data_file)
http_request = http_data.get('request')
http_response = http_data.get('response')
http_headers = http_data.get('response-headers')
with patch('requests.get') as mock_get:
mock_result = mock.MagicMock()
mock_result.json.return_value = http_response
mock_result.status_code = http_headers.get('status', 200)
mock_result.ok.return_value = http_headers.get('ok', True)
mock_get.return_value = mock_result
yield
params = http_request.get('params', None)
if params is None:
mock_get.assert_called_with(http_request['api_url'])
else:
mock_get.assert_called_with(http_request['api_url'], params=params)
def assert_bot_response(self, message, response, expected_method):
# type: (Dict[str, Any], Dict[str, Any], str) -> None
# Strictly speaking, this function is not needed anymore,
# kept for now for legacy reasons.
self.call_request(message, expected_method, response)