def test_get_events_raises_exception_if_both_timestamp_and_id_are_specified(self):
event_log = EventLog(filename='my_fake_eventlog.log')
with self.assertRaises(ValueError,
msg='get_events() should raise erro if both id and timestamp '
'are specified'):
event_log.get_events(since_timestamp=0.0, since_id=0)
def test_get_events_should_return_all_events_when_no_params_specified_with_cache(self):
event_log = EventLog(filename='my_fake_eventlog.log')
cache_events = [json.loads(line)
for line in self._FAKE_EVENTLOG_CONTENTS.strip().splitlines()]
event_log._log_cache = cache_events
events = event_log.get_events()
returned_event_ids = [event['__id__'] for event in events]
self.assertListEqual(returned_event_ids, [1, 2, 3],
'get_events() with no params should return all events '
'as ordered in the cache')
def test_get_events_should_return_all_events_when_no_params_specified(self):
open_mock = mock_open(read_data=self._FAKE_EVENTLOG_CONTENTS)
self.patch('app.util.event_log.open', new=open_mock, create=True)
event_log = EventLog(filename='my_fake_eventlog.log')
events = event_log.get_events()
returned_event_ids = [event['__id__'] for event in events]
self.assertListEqual(returned_event_ids, [1, 2, 3],
'get_events() with no params should return all events '
'as ordered in eventlog file')
def test_oldest_cache_event_is_stale_should_be_false_if_event_timestamp_is_less_than_expire_time(self):
event_log = EventLog(filename='my_fake_eventlog.log')
cache_events = [json.loads(line)
for line in self._FAKE_EVENTLOG_CONTENTS.strip().splitlines()]
event_log._log_cache = cache_events
# set the new time to 1 second past the expiration time
new_timestamp = event_log._log_cache[0]['__timestamp__'] + 45
time_mock = self.patch('app.util.event_log.time')
time_mock.time.return_value = new_timestamp
self.assertFalse(event_log._oldest_cache_event_is_stale())
def test_oldest_cache_event_is_stale_should_be_true_if_event_timestamp_is_greater_than_expire_time(self):
event_log = EventLog(filename='my_fake_eventlog.log')
cache_events = [json.loads(line)
for line in self._FAKE_EVENTLOG_CONTENTS.strip().splitlines()]
event_log._log_cache = cache_events
events = event_log.get_events()
# set the new time to 1 second past the expiration time
new_timestamp = event_log._log_cache[0]['__timestamp__'] + LOG_CACHE_EXPIRE_TIME_IN_HOURS * 60 * 60 + 1
new_event = {'__id__': 4, '__tag__': 'NETWORK_REQUEST_RECEIVED', '__timestamp__': new_timestamp}
event_log._log_cache.append(new_event)
self.assertTrue(event_log._oldest_cache_event_is_stale())
def test_get_events_should_return_all_events_since_a_specified_timestamp(self):
open_mock = mock_open(read_data=self._FAKE_EVENTLOG_CONTENTS)
self.patch('app.util.event_log.open', new=open_mock, create=True)
event_log = EventLog(filename='my_fake_eventlog.log')
since_timestamp = 1410902723.979315 # timestamp of the first event
events = event_log.get_events(since_timestamp=since_timestamp)
returned_event_ids = [event['__id__'] for event in events]
self.assertListEqual(returned_event_ids, [2, 3],
'get_events() with since_timestamp param should return '
'all events since specified timestamp')
def test_get_events_should_return_all_events_since_a_specified_event_id(self):
open_mock = mock_open(read_data=self._FAKE_EVENTLOG_CONTENTS)
self.patch('app.util.event_log.open', new=open_mock, create=True)
event_log = EventLog(filename='my_fake_eventlog.log')
since_id = 2 # id of second event
events = event_log.get_events(since_id=since_id)
returned_event_ids = [event['__id__'] for event in events]
self.assertListEqual(returned_event_ids, [3],
'get_events() with since_id should return all events '
'since an id')
def test_get_events_should_return_events_from_file_if_timestamp_not_in_range(self):
log_lines = self._FAKE_EVENTLOG_CONTENTS.strip().splitlines()
open_mock = mock_open(read_data=self._FAKE_EVENTLOG_CONTENTS)
self.patch('app.util.event_log.open', new=open_mock, create=True)
event_log = EventLog(filename='my_fake_eventlog.log')
event_log._log_cache = [json.loads(line) for line in log_lines[2:]]
since_timestamp = 1410902723.979315 # timestamp of the first event
events = event_log.get_events(since_timestamp=since_timestamp)
returned_event_ids = [event['__id__'] for event in events]
self.assertListEqual(returned_event_ids, [2, 3],
'get_events() with since_timestamp param should return '
'all events since specified timestamp')
def initialize(eventlog_file=None):
"""
Initialize the analytics output. This will cause analytics events to be output to either a file or stdout.
If this function is not called, analytics events will not be output. If it is called with a filename, the events
will be output to that file. If it is called with 'STDOUT' or None, the events will be output to stdout.
:param eventlog_file: The filename to output events to, 'STDOUT' to output to stdout, None to disable event logging
:type eventlog_file: str | None
"""
global _event_log
_event_log = EventLog(filename=eventlog_file)
def test_get_events_should_write_to_cache(self):
self.patch('app.util.event_log.TaggingLogger')
event_log = EventLog(filename='my_fake_eventlog.log')
event_log.record_event('my_tag', message='foo')
event = event_log._log_cache[0]
self.assertEqual(event['message'], 'foo')
