def test_group_by(self, file_content):
parser = AccessLogParser()
parser._parse_file_content(file_content['data'])
group_by = file_content["group_by"]
parser.group_by(group_by['param'])
parsed_data = parser.access_events
rez = group_by['rez']
assert len(parsed_data) == len(rez)
for item in rez:
assert item['requests'] == len(parsed_data[item['host']])
