mihomo/common/batch/batch_test.go

82 lines
1.6 KiB
Go

package batch
import (
"context"
"errors"
"strconv"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestBatch(t *testing.T) {
b := New()
now := time.Now()
b.Go("foo", func() (interface{}, error) {
time.Sleep(time.Millisecond * 100)
return "foo", nil
})
b.Go("bar", func() (interface{}, error) {
time.Sleep(time.Millisecond * 150)
return "bar", nil
})
result, err := b.WaitAndGetResult()
assert.Nil(t, err)
duration := time.Since(now)
assert.Less(t, duration, time.Millisecond*200)
assert.Equal(t, 2, len(result))
for k, v := range result {
assert.NoError(t, v.Err)
assert.Equal(t, k, v.Value.(string))
}
}
func TestBatchWithConcurrencyNum(t *testing.T) {
b := New(
WithConcurrencyNum(3),
)
now := time.Now()
for i := 0; i < 7; i++ {
idx := i
b.Go(strconv.Itoa(idx), func() (interface{}, error) {
time.Sleep(time.Millisecond * 100)
return strconv.Itoa(idx), nil
})
}
result, _ := b.WaitAndGetResult()
duration := time.Since(now)
assert.Greater(t, duration, time.Millisecond*260)
assert.Equal(t, 7, len(result))
for k, v := range result {
assert.NoError(t, v.Err)
assert.Equal(t, k, v.Value.(string))
}
}
func TestBatchContext(t *testing.T) {
b, ctx := WithContext(context.Background())
b.Go("error", func() (interface{}, error) {
time.Sleep(time.Millisecond * 100)
return nil, errors.New("test error")
})
b.Go("ctx", func() (interface{}, error) {
<-ctx.Done()
return nil, ctx.Err()
})
result, err := b.WaitAndGetResult()
assert.NotNil(t, err)
assert.Equal(t, "error", err.Key)
assert.Equal(t, ctx.Err(), result["ctx"].Err)
}