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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
// Copyright 2018, OpenCensus Authors
//
// 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.
package trace
import (
"reflect"
"testing"
)
func TestApplyConfig(t *testing.T) {
cfg := config.Load().(*Config)
defaultCfg := Config{
DefaultSampler: cfg.DefaultSampler,
IDGenerator: cfg.IDGenerator,
MaxAttributesPerSpan: DefaultMaxAttributesPerSpan,
MaxAnnotationEventsPerSpan: DefaultMaxAnnotationEventsPerSpan,
MaxMessageEventsPerSpan: DefaultMaxMessageEventsPerSpan,
MaxLinksPerSpan: DefaultMaxLinksPerSpan,
}
testCases := []struct {
name string
newCfg Config
wantCfg Config
}{
{
name: "Initialize to default config",
newCfg: defaultCfg,
wantCfg: defaultCfg,
},
{
name: "Empty Config",
newCfg: Config{},
wantCfg: defaultCfg,
},
{
name: "Valid non-default config",
newCfg: Config{
MaxAttributesPerSpan: 1,
MaxAnnotationEventsPerSpan: 2,
MaxMessageEventsPerSpan: 3,
MaxLinksPerSpan: 4,
},
wantCfg: Config{
DefaultSampler: cfg.DefaultSampler,
IDGenerator: cfg.IDGenerator,
MaxAttributesPerSpan: 1,
MaxAnnotationEventsPerSpan: 2,
MaxMessageEventsPerSpan: 3,
MaxLinksPerSpan: 4,
},
},
{
name: "Partially invalid config",
newCfg: Config{
MaxAttributesPerSpan: -1,
MaxAnnotationEventsPerSpan: 3,
MaxMessageEventsPerSpan: -3,
MaxLinksPerSpan: 5,
},
wantCfg: Config{
DefaultSampler: cfg.DefaultSampler,
IDGenerator: cfg.IDGenerator,
MaxAttributesPerSpan: 1,
MaxAnnotationEventsPerSpan: 3,
MaxMessageEventsPerSpan: 3,
MaxLinksPerSpan: 5,
},
},
}
for i, tt := range testCases {
newCfg := tt.newCfg
ApplyConfig(newCfg)
gotCfg := config.Load().(*Config)
wantCfg := tt.wantCfg
if got, want := reflect.ValueOf(gotCfg.DefaultSampler).Pointer(), reflect.ValueOf(wantCfg.DefaultSampler).Pointer(); got != want {
t.Fatalf("testId = %d, testName = %s: config.DefaultSampler = %#v; want %#v", i, tt.name, got, want)
}
if got, want := gotCfg.IDGenerator, wantCfg.IDGenerator; got != want {
t.Fatalf("testId = %d, testName = %s: config.IDGenerator = %#v; want %#v", i, tt.name, got, want)
}
if got, want := gotCfg.MaxAttributesPerSpan, wantCfg.MaxAttributesPerSpan; got != want {
t.Fatalf("testId = %d, testName = %s: config.MaxAttributesPerSpan = %#v; want %#v", i, tt.name, got, want)
}
if got, want := gotCfg.MaxLinksPerSpan, wantCfg.MaxLinksPerSpan; got != want {
t.Fatalf("testId = %d, testName = %s: config.MaxLinksPerSpan = %#v; want %#v", i, tt.name, got, want)
}
if got, want := gotCfg.MaxAnnotationEventsPerSpan, wantCfg.MaxAnnotationEventsPerSpan; got != want {
t.Fatalf("testId = %d, testName = %s: config.MaxAnnotationEventsPerSpan = %#v; want %#v", i, tt.name, got, want)
}
if got, want := gotCfg.MaxMessageEventsPerSpan, wantCfg.MaxMessageEventsPerSpan; got != want {
t.Fatalf("testId = %d, testName = %s: config.MaxMessageEventsPerSpan = %#v; want %#v", i, tt.name, got, want)
}
}
}
|
