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