evcc-io/util/monitor_test.go

54 lines
759 B
Go

package util
import (
"math/rand"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestMonitorRacyMaps(t *testing.T) {
m := NewMonitor[map[int]int](0)
done := make(chan struct{})
time.AfterFunc(time.Second, func() { close(done) })
go func() {
for {
select {
case <-done:
return
default:
m.SetFunc(func(mm map[int]int) map[int]int {
if mm == nil {
mm = make(map[int]int)
}
i := rand.Int()
mm[i] = i
return mm
})
}
}
}()
<-m.Done()
go func() {
for {
select {
case <-done:
return
default:
err := m.GetFunc(func(mm map[int]int) {
for k, v := range mm {
require.Equal(t, k, v)
}
})
require.NoError(t, err)
}
}
}()
<-done
}