from data.database import LogEntryKind, LogEntry
class assert_action_logged(object):
""" Specialized assertion for ensuring that a log entry of a particular kind was added under the
context of this call.
"""
def __init__(self, log_kind):
self.log_kind = log_kind
self.existing_count = 0
def _get_log_count(self):
return LogEntry.select().where(LogEntry.kind == LogEntryKind.get(name=self.log_kind)).count()
def __enter__(self):
self.existing_count = self._get_log_count()
return self
def __exit__(self, exc_type, exc_val, exc_tb):
if exc_val is None:
updated_count = self._get_log_count()
error_msg = 'Missing new log entry of kind %s' % self.log_kind
assert self.existing_count == (updated_count - 1), error_msg
