Files
edx-platform/common/djangoapps/track/backends/tests/test_logger.py
2016-01-20 18:40:09 +05:00

79 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
"""Tests for Event tracker backend."""
from __future__ import absolute_import
import json
import logging
import datetime
from django.test import TestCase
from track.backends.logger import LoggerBackend
class TestLoggerBackend(TestCase):
def setUp(self):
super(TestLoggerBackend, self).setUp()
self.handler = MockLoggingHandler()
self.handler.setLevel(logging.INFO)
logger_name = 'track.backends.logger.test'
logger = logging.getLogger(logger_name)
logger.addHandler(self.handler)
self.backend = LoggerBackend(name=logger_name)
def test_logger_backend(self):
self.handler.reset()
# Send a couple of events and check if they were recorded
# by the logger. The events are serialized to JSON.
event = {
'test': True,
'time': datetime.datetime(2012, 05, 01, 07, 27, 01, 200),
'date': datetime.date(2012, 05, 07),
}
self.backend.send(event)
self.backend.send(event)
saved_events = [json.loads(e) for e in self.handler.messages['info']]
unpacked_event = {
'test': True,
'time': '2012-05-01T07:27:01.000200+00:00',
'date': '2012-05-07'
}
self.assertEqual(saved_events[0], unpacked_event)
self.assertEqual(saved_events[1], unpacked_event)
class MockLoggingHandler(logging.Handler):
"""
Mock logging handler.
Stores records in a dictionry of lists by level.
"""
def __init__(self, *args, **kwargs):
super(MockLoggingHandler, self).__init__(*args, **kwargs)
self.messages = None
self.reset()
def emit(self, record):
level = record.levelname.lower()
message = record.getMessage()
self.messages[level].append(message)
def reset(self):
self.messages = {
'debug': [],
'info': [],
'warning': [],
'error': [],
'critical': [],
}