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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
package telemetry
import (
"context"
"sync"
"testing"
"go.opentelemetry.io/otel/metric"
)
// Mock Int64Counter implementation
type MockInt64Counter struct {
metric.Int64Counter
addCalled bool
}
func (m *MockInt64Counter) Add(ctx context.Context, value int64, opts ...metric.AddOption) {
m.addCalled = true
}
// Mock Float64Histogram implementation
type MockFloat64Histogram struct {
metric.Float64Histogram
recordCalled bool
}
func (m *MockFloat64Histogram) Record(ctx context.Context, value float64, opts ...metric.RecordOption) {
m.recordCalled = true
}
// Mock Meter implementation
type MockMeter struct {
metric.Meter
counters map[string]metric.Int64Counter
histograms map[string]metric.Float64Histogram
}
func (m *MockMeter) Int64Counter(name string, opts ...metric.Int64CounterOption) (metric.Int64Counter, error) {
if counter, exists := m.counters[name]; exists {
return counter, nil
}
counter := &MockInt64Counter{}
m.counters[name] = counter
return counter, nil
}
func (m *MockMeter) Float64Histogram(name string, opts ...metric.Float64HistogramOption) (metric.Float64Histogram, error) {
if histogram, exists := m.histograms[name]; exists {
return histogram, nil
}
histogram := &MockFloat64Histogram{}
m.histograms[name] = histogram
return histogram, nil
}
func TestGetCounter(t *testing.T) {
mockMeter := &MockMeter{
counters: make(map[string]metric.Int64Counter),
histograms: make(map[string]metric.Float64Histogram),
}
metrics := &Metrics{
Meter: mockMeter,
Counters: make(map[string]metric.Int64Counter),
}
counter, err := metrics.GetCounter("test_counter", "A test counter")
if err != nil {
t.Fatalf("Expected no error, but got %v", err)
}
if counter == nil {
t.Fatalf("Expected a non-nil counter, but got nil")
}
counter2, err := metrics.GetCounter("test_counter", "A test counter")
if err != nil {
t.Fatalf("Expected no error, but got %v", err)
}
if counter != counter2 {
t.Fatalf("Expected the same counter instance to be returned")
}
}
// Run this test with the "-race" flag.
//
// go test -race -run ^TestGetCounterRace github.com/openfga/go-sdk/telemetry
func TestGetCounterRace(t *testing.T) {
mockMeter := &MockMeter{
counters: make(map[string]metric.Int64Counter),
histograms: make(map[string]metric.Float64Histogram),
}
metrics := &Metrics{
Meter: mockMeter,
Counters: make(map[string]metric.Int64Counter),
}
t.Parallel()
var wg sync.WaitGroup
for i := 0; i < 10; i++ {
wg.Add(1)
go func() {
defer wg.Done()
_, err := metrics.GetCounter("test_counter", "A test counter")
if err != nil {
t.Errorf("Expected no error, but got %v", err)
return
}
Get(TelemetryFactoryParameters{})
}()
}
wg.Wait()
}
func TestGetHistogram(t *testing.T) {
mockMeter := &MockMeter{
counters: make(map[string]metric.Int64Counter),
histograms: make(map[string]metric.Float64Histogram),
}
metrics := &Metrics{
Meter: mockMeter,
Histograms: make(map[string]metric.Float64Histogram),
}
histogram, err := metrics.GetHistogram("test_histogram", "A test histogram", "ms")
if err != nil {
t.Fatalf("Expected no error, but got %v", err)
}
if histogram == nil {
t.Fatalf("Expected a non-nil histogram, but got nil")
}
histogram2, err := metrics.GetHistogram("test_histogram", "A test histogram", "ms")
if err != nil {
t.Fatalf("Expected no error, but got %v", err)
}
if histogram != histogram2 {
t.Fatalf("Expected the same histogram instance to be returned")
}
}
// go test -race -run ^TestGetHistogramRace github.com/openfga/go-sdk/telemetry
func TestGetHistogramRace(t *testing.T) {
mockMeter := &MockMeter{
counters: make(map[string]metric.Int64Counter),
histograms: make(map[string]metric.Float64Histogram),
}
metrics := &Metrics{
Meter: mockMeter,
Histograms: make(map[string]metric.Float64Histogram),
}
t.Parallel()
var wg sync.WaitGroup
for i := 0; i < 10; i++ {
wg.Add(1)
go func() {
defer wg.Done()
_, err := metrics.GetHistogram("test_histogram", "A test histogram", "ms")
if err != nil {
t.Errorf("Expected no error, but got %v", err)
return
}
}()
}
wg.Wait()
}
func TestCredentialsRequest(t *testing.T) {
mockMeter := &MockMeter{
counters: make(map[string]metric.Int64Counter),
histograms: make(map[string]metric.Float64Histogram),
}
metrics := &Metrics{
Meter: mockMeter,
Counters: make(map[string]metric.Int64Counter),
}
attrs := make(map[*Attribute]string)
counter, err := metrics.CredentialsRequest(1, attrs)
if err != nil {
t.Fatalf("Expected no error, but got %v", err)
}
if counter == nil {
t.Fatalf("Expected a non-nil counter, but got nil")
}
mockCounter, ok := counter.(*MockInt64Counter)
if !ok || !mockCounter.addCalled {
t.Fatalf("Expected Add method to be called on counter")
}
}
func TestRequestDuration(t *testing.T) {
mockMeter := &MockMeter{
counters: make(map[string]metric.Int64Counter),
histograms: make(map[string]metric.Float64Histogram),
}
metrics := &Metrics{
Meter: mockMeter,
Histograms: make(map[string]metric.Float64Histogram),
}
attrs := make(map[*Attribute]string)
histogram, err := metrics.RequestDuration(1.0, attrs)
if err != nil {
t.Fatalf("Expected no error, but got %v", err)
}
if histogram == nil {
t.Fatalf("Expected a non-nil histogram, but got nil")
}
mockHistogram, ok := histogram.(*MockFloat64Histogram)
if !ok || !mockHistogram.recordCalled {
t.Fatalf("Expected Record method to be called on histogram")
}
}
func TestQueryDuration(t *testing.T) {
mockMeter := &MockMeter{
counters: make(map[string]metric.Int64Counter),
histograms: make(map[string]metric.Float64Histogram),
}
metrics := &Metrics{
Meter: mockMeter,
Histograms: make(map[string]metric.Float64Histogram),
}
attrs := make(map[*Attribute]string)
histogram, err := metrics.QueryDuration(1.0, attrs)
if err != nil {
t.Fatalf("Expected no error, but got %v", err)
}
if histogram == nil {
t.Fatalf("Expected a non-nil histogram, but got nil")
}
mockHistogram, ok := histogram.(*MockFloat64Histogram)
if !ok || !mockHistogram.recordCalled {
t.Fatalf("Expected Record method to be called on histogram")
}
}
|
