103 lines
1.8 KiB
Go
103 lines
1.8 KiB
Go
package model_test
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import (
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"errors"
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"fmt"
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"sync"
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"testing"
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"time"
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"github.com/derailed/k9s/internal/model"
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"github.com/stretchr/testify/assert"
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)
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func TestFlash(t *testing.T) {
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const delay = 1 * time.Millisecond
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uu := map[string]struct {
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level model.FlashLevel
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e string
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}{
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"info": {level: model.FlashInfo, e: "blee"},
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"warn": {level: model.FlashWarn, e: "blee"},
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"err": {level: model.FlashErr, e: "blee"},
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}
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for k := range uu {
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u := uu[k]
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t.Run(k, func(t *testing.T) {
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f := model.NewFlash(delay)
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v := newFlash()
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go v.listen(f.Channel())
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switch u.level {
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case model.FlashInfo:
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f.Info(u.e)
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case model.FlashWarn:
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f.Warn(u.e)
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case model.FlashErr:
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f.Err(errors.New(u.e))
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}
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time.Sleep(5 * delay)
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s, c, l, m := v.getMetrics()
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assert.Equal(t, 1, s)
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assert.Equal(t, u.level, l)
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assert.Equal(t, u.e, m)
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assert.Equal(t, 1, c)
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})
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}
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}
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func TestFlashBurst(t *testing.T) {
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const delay = 1 * time.Millisecond
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f := model.NewFlash(delay)
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v := newFlash()
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go v.listen(f.Channel())
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count := 5
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for i := 1; i <= count; i++ {
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f.Info(fmt.Sprintf("test-%d", i))
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}
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time.Sleep(2 * delay)
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s, _, l, m := v.getMetrics()
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assert.Equal(t, count, s)
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assert.Equal(t, model.FlashInfo, l)
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assert.Equal(t, fmt.Sprintf("test-%d", count), m)
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}
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type flash struct {
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set, clear int
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level model.FlashLevel
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msg string
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mx sync.RWMutex
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}
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func newFlash() *flash {
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return &flash{}
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}
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func (f *flash) getMetrics() (int, int, model.FlashLevel, string) {
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f.mx.RLock()
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defer f.mx.RUnlock()
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return f.set, f.clear, f.level, f.msg
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}
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func (f *flash) listen(c model.FlashChan) {
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for m := range c {
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f.mx.Lock()
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{
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if m.IsClear() {
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f.clear++
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} else {
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f.set++
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f.level, f.msg = m.Level, m.Text
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}
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}
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f.mx.Unlock()
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}
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}
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