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tests.py
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tests.py
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import logging
import json
import tornado_logging_slack
from mock import patch
from tornado.testing import AsyncTestCase, gen_test
from tornado.httpclient import AsyncHTTPClient, HTTPResponse
from six import BytesIO
from six.moves import urllib
class MockHTTPClient(AsyncHTTPClient):
def initialize(self, *args, **kwargs):
super(MockHTTPClient, self).initialize(*args, **kwargs)
self.called_requests = []
self.code = 200
self.body = b'{"ok": true}'
def fetch_impl(self, request, callback):
self.called_requests.append(request)
callback(HTTPResponse(
request=request,
code=self.code,
buffer=BytesIO(self.body),
))
@property
def call_count(self):
return len(self.called_requests)
class TornadoSlackHandlerTestCase(AsyncTestCase):
maxDiff = None
def setUp(self):
AsyncTestCase.setUp(self)
self.http_client = MockHTTPClient(force_instance=True)
self.handler = tornado_logging_slack.TornadoSlackHandler(
'my-key', 'my-channel', 'my-username',
http_client=self.http_client
)
self.logger = logging.Logger('test')
self.logger.addHandler(self.handler)
def test_disabled_loglevels(self):
self.logger.debug('debug message')
self.logger.info('info message')
self.logger.warn('warn message')
self.assertEqual(self.http_client.call_count, 0)
@gen_test
def test_simple_error(self):
self.logger.error('error message')
self.assertEqual(self.http_client.call_count, 1)
request = self.http_client.called_requests[0]
self.assertEqual(request.url, 'https://slack.com/api/chat.postMessage')
self.assertEqual(request.method, 'POST')
form_data = urllib.parse.parse_qs(request.body.decode('utf-8'))
self.assertEqual(form_data, {
'text': ['error message'],
'channel': ['my-channel'],
'token': ['my-key'],
'username': ['my-username'],
'icon_emoji': [':heavy_exclamation_mark:'],
})
self.assertEqual(request.proxy_host, None)
self.assertEqual(request.proxy_port, None)
self.assertEqual(request.proxy_username, None)
# I don't know what's the reason of tornado sets default password
# to be empty string
self.assertEqual(request.proxy_password, '')
@gen_test
def test_error_with_traceback(self):
try:
raise RuntimeError('My exception')
except RuntimeError as err:
self.logger.exception(err)
self.assertEqual(self.http_client.call_count, 1)
request = self.http_client.called_requests[0]
self.assertEqual(request.url, 'https://slack.com/api/chat.postMessage')
self.assertEqual(request.method, 'POST')
form_data = urllib.parse.parse_qs(request.body.decode('utf-8'))
self.assertEqual(form_data['text'][0], 'My exception')
attachments = json.loads(form_data['attachments'][0])
self.assertEqual(len(attachments), 1)
self.assertEqual(attachments[0]['color'], 'danger')
self.assertEqual(attachments[0]['fallback'], 'My exception')
self.assertRegexpMatches(attachments[0]['text'], 'Traceback')
self.assertRegexpMatches(attachments[0]['text'], 'RuntimeError')
@gen_test
def test_error_posting_into_slack(self):
self.http_client.code = 500
self.http_client.body = b'{"ok": false, "error": "unhandled_error"}'
self.logger.error('error message')
self.assertEqual(self.http_client.call_count, 1)
@gen_test
def test_error_decoding_slack_response(self):
self.http_client.code = 200
self.http_client.body = b'Access denied'
self.logger.error('error message')
self.assertEqual(self.http_client.call_count, 1)
@gen_test
def test_proxy(self):
self.handler.proxy_host = 'my-proxy.com'
self.handler.proxy_port = 2831
self.handler.proxy_username = 'my-user'
self.handler.proxy_password = 'my-password'
self.logger.error('error message')
self.assertEqual(self.http_client.call_count, 1)
request = self.http_client.called_requests[0]
self.assertEqual(request.proxy_host, 'my-proxy.com')
self.assertEqual(request.proxy_port, 2831)
self.assertEqual(request.proxy_username, 'my-user')
self.assertEqual(request.proxy_password, 'my-password')
@patch('tornado_logging_slack.SLACK_APIKEY', new='my-api-key')
@patch('tornado_logging_slack.SLACK_CHANNEL', new='my-channel')
@patch('tornado_logging_slack.SLACK_USERNAME', new='my-username')
@patch('tornado_logging_slack.SLACK_PROXY_HOST', new='proxy-host')
@patch('tornado_logging_slack.SLACK_PROXY_USERNAME', new='proxy-username')
@patch('tornado_logging_slack.SLACK_PROXY_PASSWORD', new='proxy-password')
def test_auto_setup_if_enabled(self):
tornado_logging_slack.auto_setup('enabledLogger')
logger = logging.getLogger('enabledLogger')
self.assertEqual(len(logger.handlers), 1)
handler = logger.handlers[0]
self.assertIsInstance(
handler, tornado_logging_slack.TornadoSlackHandler)
self.assertEqual(handler.api_key, 'my-api-key')
self.assertEqual(handler.channel, 'my-channel')
self.assertEqual(handler.username, 'my-username')
self.assertEqual(handler.proxy_host, 'proxy-host')
self.assertEqual(handler.proxy_port, 3128)
self.assertEqual(handler.proxy_username, 'proxy-username')
self.assertEqual(handler.proxy_password, 'proxy-password')
@patch('tornado_logging_slack.SLACK_APIKEY', new=None)
def test_auto_setup_if_disabled(self):
tornado_logging_slack.auto_setup('disabled')
logger = logging.getLogger('disabledLogger')
self.assertEqual(len(logger.handlers), 0)