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78 lines
1.2 KiB
Go
78 lines
1.2 KiB
Go
package queue
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import (
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"errors"
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"math"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/zeromicro/go-zero/core/logx"
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"github.com/zeromicro/go-zero/core/mathx"
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)
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var (
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proba = mathx.NewProba()
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failProba = 0.01
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)
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func init() {
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logx.Disable()
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}
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func TestGenerateName(t *testing.T) {
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pushers := []Pusher{
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&mockedPusher{name: "first"},
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&mockedPusher{name: "second"},
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&mockedPusher{name: "third"},
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}
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assert.Equal(t, "first,second,third", generateName(pushers))
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}
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func TestGenerateNameNil(t *testing.T) {
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var pushers []Pusher
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assert.Equal(t, "", generateName(pushers))
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}
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func calcMean(vals []int) float64 {
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if len(vals) == 0 {
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return 0
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}
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var result float64
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for _, val := range vals {
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result += float64(val)
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}
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return result / float64(len(vals))
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}
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func calcVariance(mean float64, vals []int) float64 {
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if len(vals) == 0 {
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return 0
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}
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var result float64
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for _, val := range vals {
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result += math.Pow(float64(val)-mean, 2)
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}
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return result / float64(len(vals))
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}
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type mockedPusher struct {
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name string
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count int
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}
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func (p *mockedPusher) Name() string {
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return p.name
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}
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func (p *mockedPusher) Push(s string) error {
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if proba.TrueOnProba(failProba) {
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return errors.New("dummy")
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}
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p.count++
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return nil
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}
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