Files
tidb/pkg/dxf/framework/proto/subtask_test.go

74 lines
1.9 KiB
Go

// Copyright 2023 PingCAP, Inc.
//
// Licensed 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 proto
import (
"math/rand"
"sync"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestSubtaskIsDone(t *testing.T) {
cases := []struct {
state SubtaskState
done bool
}{
{SubtaskStatePending, false},
{SubtaskStateRunning, false},
{SubtaskStateSucceed, true},
{SubtaskStateFailed, true},
{SubtaskStatePaused, false},
{SubtaskStateCanceled, true},
}
for _, c := range cases {
require.Equal(t, c.done, (&Subtask{SubtaskBase: SubtaskBase{State: c.state}}).IsDone())
}
}
func TestAllocatable(t *testing.T) {
allocatable := NewAllocatable(123456)
require.Equal(t, int64(123456), allocatable.Capacity())
require.Equal(t, int64(0), allocatable.Used())
require.False(t, allocatable.Alloc(123457))
require.Equal(t, int64(0), allocatable.Used())
require.True(t, allocatable.Alloc(123))
require.Equal(t, int64(123), allocatable.Used())
allocatable.Free(123)
require.Equal(t, int64(0), allocatable.Used())
var wg sync.WaitGroup
for i := range 10 {
wg.Add(1)
go func() {
defer wg.Done()
seed := time.Now().UnixNano()
t.Logf("routine: %d, seed: %d", i, seed)
rand.New(rand.NewSource(seed))
for range 10000 {
n := rand.Int63n(1000)
if allocatable.Alloc(n) {
allocatable.Free(n)
}
}
}()
}
wg.Wait()
require.Equal(t, int64(0), allocatable.Used())
}