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countaggregator_test.go
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package stat
import (
"sync"
"testing"
"time"
gomock "github.com/golang/mock/gomock"
"github.com/stretchr/testify/assert"
)
func TestCountAggregator(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mockStater := NewMockStat(ctrl)
tests := []struct {
name string
ExecuteStatting func(stater CountAggregator, mockStater *MockStat)
}{
{
name: "simple aggregation",
ExecuteStatting: func(stater CountAggregator, mockStater *MockStat) {
mockStater.EXPECT().Count("stat1", float64(15), []string{"tag1"})
go stater.Count("stat1", 9, "tag1")
go stater.Count("stat1", 6, "tag1")
time.Sleep(200 * time.Millisecond)
},
},
{
name: "tag ordering aggregation",
ExecuteStatting: func(stater CountAggregator, mockStater *MockStat) {
mockStater.EXPECT().Count("stat1", float64(10), []string{"aTag", "bTab"})
go func() {
stater.Count("stat1", 9, "aTag", "bTab")
stater.Count("stat1", 1, "bTab", "aTag")
}()
time.Sleep(200 * time.Millisecond)
},
},
{
name: "complex stat aggregation",
ExecuteStatting: func(stater CountAggregator, mockStater *MockStat) {
mockStater.EXPECT().Count("stat1", float64(15), []string{"tag1"})
mockStater.EXPECT().Count("stat2", float64(4), []string{"tag2"})
go func() {
stater.Count("stat1", 9, "tag1")
stater.Count("stat2", 3, "tag2")
stater.Count("stat1", 6, "tag1")
stater.Count("stat2", 1, "tag2")
}()
time.Sleep(200 * time.Millisecond)
},
},
{
name: "multiple stat aggregation",
ExecuteStatting: func(stater CountAggregator, mockStater *MockStat) {
mockStater.EXPECT().Count("stat1", float64(15), []string{"tag1"})
mockStater.EXPECT().Count("stat2", float64(4), []string{"tag2"})
go func() {
stater.Count("stat1", 9, "tag1")
stater.Count("stat2", 3, "tag2")
stater.Count("stat1", 6, "tag1")
stater.Count("stat2", 1, "tag2")
}()
time.Sleep(200 * time.Millisecond)
mockStater.EXPECT().Count("stat1", float64(2), []string{"tag1"})
mockStater.EXPECT().Count("stat2", float64(2), []string{"tag2"})
go func() {
stater.Count("stat1", 1, "tag1")
stater.Count("stat2", 1, "tag2")
stater.Count("stat1", 1, "tag1")
stater.Count("stat2", 1, "tag2")
}()
time.Sleep(200 * time.Millisecond)
},
},
}
for _, test := range tests {
t.Run(test.name, func(tt *testing.T) {
countAggregator := CountAggregator{
Stater: mockStater,
Bucket: make(map[StatTagKey]float64),
lock: &sync.Mutex{},
flushJob: make(chan int, 1),
FlushInterval: 100 * time.Millisecond,
}
test.ExecuteStatting(countAggregator, mockStater)
})
}
}
func TestGauge(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mockStater := NewMockStat(ctrl)
stater := CountAggregator{
Stater: mockStater,
}
mockStater.EXPECT().Gauge("stat", float64(1), []string{"tag"})
stater.Gauge("stat", 1, "tag")
}
func TestHistogram(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mockStater := NewMockStat(ctrl)
stater := CountAggregator{
Stater: mockStater,
}
mockStater.EXPECT().Histogram("stat", float64(1), []string{"tag"})
stater.Histogram("stat", 1, "tag")
}
func TestTiming(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mockStater := NewMockStat(ctrl)
stater := CountAggregator{
Stater: mockStater,
}
mockStater.EXPECT().Timing("stat", 1*time.Millisecond, []string{"tag"})
stater.Timing("stat", 1*time.Millisecond, "tag")
}
func TestAddTags(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mockStater := NewMockStat(ctrl)
stater := CountAggregator{
Stater: mockStater,
}
mockStater.EXPECT().AddTags([]string{"tag1", "tag2"})
stater.AddTags("tag1", "tag2")
}
func TestGetTags(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
mockStater := NewMockStat(ctrl)
stater := CountAggregator{
Stater: mockStater,
}
mockStater.EXPECT().GetTags().Return([]string{"tag1", "tag2"})
tags := stater.GetTags()
assert.Equal(t, []string{"tag1", "tag2"}, tags)
}