milvus/pkg/util/conc/pool_test.go
congqixia 31880ab427
Use conc.PoolOption instead of ants.Option (#24585)
- Add conc.PoolOption to setup conc.Pool
- Change panic default behavior
- Make future has error when job panicks

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2023-06-01 15:52:31 +08:00

69 lines
1.9 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package conc
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestPool(t *testing.T) {
pool := NewDefaultPool[any]()
taskNum := pool.Cap() * 2
futures := make([]*Future[any], 0, taskNum)
for i := 0; i < taskNum; i++ {
res := i
future := pool.Submit(func() (any, error) {
time.Sleep(500 * time.Millisecond)
return res, nil
})
futures = append(futures, future)
}
assert.Greater(t, pool.Running(), 0)
AwaitAll(futures...)
for i, future := range futures {
res, err := future.Await()
assert.NoError(t, err)
assert.Equal(t, err, future.Err())
assert.True(t, future.OK())
assert.Equal(t, res, future.Value())
assert.Equal(t, i, res.(int))
// Await() should be idempotent
<-future.Inner()
resDup, errDup := future.Await()
assert.Equal(t, res, resDup)
assert.Equal(t, err, errDup)
}
}
func TestPoolWithPanic(t *testing.T) {
pool := NewPool[any](1, WithConcealPanic(true))
future := pool.Submit(func() (any, error) {
panic("mocked panic")
})
// make sure error returned when conceal panic
_, err := future.Await()
assert.Error(t, err)
}