52 lines
1014 B
Go
52 lines
1014 B
Go
package metrics
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import (
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"sync"
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"testing"
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)
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func BenchmarkGaugeFloat64(b *testing.B) {
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g := NewGaugeFloat64()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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g.Update(float64(i))
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}
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}
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func BenchmarkGaugeFloat64Parallel(b *testing.B) {
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c := NewGaugeFloat64()
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var wg sync.WaitGroup
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for i := 0; i < 10; i++ {
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wg.Add(1)
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go func() {
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for i := 0; i < b.N; i++ {
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c.Update(float64(i))
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}
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wg.Done()
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}()
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}
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wg.Wait()
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if have, want := c.Snapshot().Value(), float64(b.N-1); have != want {
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b.Fatalf("have %f want %f", have, want)
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}
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}
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func TestGaugeFloat64Snapshot(t *testing.T) {
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g := NewGaugeFloat64()
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g.Update(47.0)
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snapshot := g.Snapshot()
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g.Update(float64(0))
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if v := snapshot.Value(); v != 47.0 {
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t.Errorf("g.Value(): 47.0 != %v\n", v)
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}
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}
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func TestGetOrRegisterGaugeFloat64(t *testing.T) {
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r := NewRegistry()
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NewRegisteredGaugeFloat64("foo", r).Update(47.0)
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t.Logf("registry: %v", r)
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if g := GetOrRegisterGaugeFloat64("foo", r).Snapshot(); g.Value() != 47.0 {
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t.Fatal(g)
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}
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}
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