forked from github-mirrors/zerolog
85 lines
1.4 KiB
Go
85 lines
1.4 KiB
Go
// +build !binary_log
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package zlog
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import (
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"testing"
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"time"
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)
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var samplers = []struct {
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name string
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sampler func() Sampler
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total int
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wantMin int
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wantMax int
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}{
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{
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"BasicSampler_1",
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func() Sampler {
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return &BasicSampler{N: 1}
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},
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100, 100, 100,
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},
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{
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"BasicSampler_5",
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func() Sampler {
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return &BasicSampler{N: 5}
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},
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100, 20, 20,
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},
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{
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"RandomSampler",
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func() Sampler {
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return RandomSampler(5)
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},
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100, 10, 30,
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},
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{
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"BurstSampler",
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func() Sampler {
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return &BurstSampler{Burst: 20, Period: time.Second}
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},
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100, 20, 20,
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},
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{
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"BurstSamplerNext",
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func() Sampler {
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return &BurstSampler{Burst: 20, Period: time.Second, NextSampler: &BasicSampler{N: 5}}
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},
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120, 40, 40,
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},
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}
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func TestSamplers(t *testing.T) {
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for i := range samplers {
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s := samplers[i]
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t.Run(s.name, func(t *testing.T) {
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sampler := s.sampler()
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got := 0
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for t := s.total; t > 0; t-- {
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if sampler.Sample(0) {
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got++
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}
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}
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if got < s.wantMin || got > s.wantMax {
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t.Errorf("%s.Sample(0) == true %d on %d, want [%d, %d]", s.name, got, s.total, s.wantMin, s.wantMax)
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}
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})
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}
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}
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func BenchmarkSamplers(b *testing.B) {
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for i := range samplers {
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s := samplers[i]
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b.Run(s.name, func(b *testing.B) {
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sampler := s.sampler()
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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sampler.Sample(0)
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}
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})
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})
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}
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}
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