clash/common/picker/picker_test.go
2020-04-16 18:31:40 +08:00

40 lines
889 B
Go

package picker
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func sleepAndSend(ctx context.Context, delay int, input interface{}) func() (interface{}, error) {
return func() (interface{}, error) {
timer := time.NewTimer(time.Millisecond * time.Duration(delay))
select {
case <-timer.C:
return input, nil
case <-ctx.Done():
return nil, ctx.Err()
}
}
}
func TestPicker_Basic(t *testing.T) {
picker, ctx := WithContext(context.Background())
picker.Go(sleepAndSend(ctx, 30, 2))
picker.Go(sleepAndSend(ctx, 20, 1))
number := picker.Wait()
assert.NotNil(t, number)
assert.Equal(t, number.(int), 1)
}
func TestPicker_Timeout(t *testing.T) {
picker, ctx := WithTimeout(context.Background(), time.Millisecond*5)
picker.Go(sleepAndSend(ctx, 20, 1))
number := picker.Wait()
assert.Nil(t, number)
assert.NotNil(t, picker.Error())
}