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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
# -*- coding: utf-8 -*-
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.metrics import InFlightGauge
from tests import unittest
class TestMauLimit(unittest.TestCase):
def test_basic(self):
gauge = InFlightGauge(
"test1", "",
labels=["test_label"],
sub_metrics=["foo", "bar"],
)
def handle1(metrics):
metrics.foo += 2
metrics.bar = max(metrics.bar, 5)
def handle2(metrics):
metrics.foo += 3
metrics.bar = max(metrics.bar, 7)
gauge.register(("key1",), handle1)
self.assert_dict({
"test1_total": {("key1",): 1},
"test1_foo": {("key1",): 2},
"test1_bar": {("key1",): 5},
}, self.get_metrics_from_gauge(gauge))
gauge.unregister(("key1",), handle1)
self.assert_dict({
"test1_total": {("key1",): 0},
"test1_foo": {("key1",): 0},
"test1_bar": {("key1",): 0},
}, self.get_metrics_from_gauge(gauge))
gauge.register(("key1",), handle1)
gauge.register(("key2",), handle2)
self.assert_dict({
"test1_total": {("key1",): 1, ("key2",): 1},
"test1_foo": {("key1",): 2, ("key2",): 3},
"test1_bar": {("key1",): 5, ("key2",): 7},
}, self.get_metrics_from_gauge(gauge))
gauge.unregister(("key2",), handle2)
gauge.register(("key1",), handle2)
self.assert_dict({
"test1_total": {("key1",): 2, ("key2",): 0},
"test1_foo": {("key1",): 5, ("key2",): 0},
"test1_bar": {("key1",): 7, ("key2",): 0},
}, self.get_metrics_from_gauge(gauge))
def get_metrics_from_gauge(self, gauge):
results = {}
for r in gauge.collect():
results[r.name] = {
tuple(labels[x] for x in gauge.labels): value
for _, labels, value in r.samples
}
return results
|
