1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
# Copyright 2012-2015 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Testing helpers for `provisioningserver.logger`."""
__all__ = [
"find_log_lines",
"make_event",
"make_log_text",
"pick_log_level",
"pick_log_time",
]
import random
import re
import time
from maastesting.factory import factory
from twisted.logger import LogLevel
def make_event(log_text=None, log_level=None, log_time=None, **other):
"""Make a minimal event dict for use with Twisted."""
event = {
"log_format": "{log_text}",
"log_level": pick_log_level() if log_level is None else log_level,
"log_text": make_log_text() if log_text is None else log_text,
"log_time": pick_log_time() if log_time is None else log_time,
}
event.update(other)
return event
def make_log_text():
"""Make some random log text."""
return factory.make_unicode_string(size=50, spaces=True)
_log_levels = tuple(LogLevel.iterconstants())
def pick_log_level():
"""Pick a random `LogLevel`."""
return random.choice(_log_levels)
def pick_log_time(noise=float(60 * 60)):
"""Pick a random time based on now, but with some noise."""
return time.time() + (random.random() * noise) - (noise / 2)
# Matches lines like: 2016-10-18 14:23:55 namespace: [level] message
find_log_lines_re = re.compile(
r"^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}) (.*?): [[](.*)[]] (.*)$",
re.MULTILINE)
def find_log_lines(text):
"""Find logs in `text` that match `find_log_lines_re`.
Checks for well-formed date/times but throws them away.
"""
return [
(ns, level, line) for (ts, ns, level, line) in
find_log_lines_re.findall(text)
]
|