352 lines
14 KiB
Go
352 lines
14 KiB
Go
// Copyright 2023 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package framework_test
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import (
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"context"
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"fmt"
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"math/rand"
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"testing"
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"time"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/pkg/disttask/framework/proto"
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"github.com/pingcap/tidb/pkg/disttask/framework/scheduler"
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"github.com/pingcap/tidb/pkg/disttask/framework/storage"
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"github.com/pingcap/tidb/pkg/disttask/framework/testutil"
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"github.com/pingcap/tidb/pkg/testkit"
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"github.com/pingcap/tidb/pkg/util"
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"github.com/stretchr/testify/require"
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)
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func submitTaskAndCheckSuccessForBasic(ctx context.Context, t *testing.T, taskKey string, testContext *testutil.TestContext) {
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submitTaskAndCheckSuccess(ctx, t, taskKey, testContext, map[proto.Step]int{
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proto.StepOne: 3,
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proto.StepTwo: 1,
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})
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}
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func submitTaskAndCheckSuccess(ctx context.Context, t *testing.T, taskKey string,
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testContext *testutil.TestContext, subtaskCnts map[proto.Step]int) {
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task := testutil.SubmitAndWaitTask(ctx, t, taskKey)
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require.Equal(t, proto.TaskStateSucceed, task.State)
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for step, cnt := range subtaskCnts {
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require.Equal(t, cnt, testContext.CollectedSubtaskCnt(task.ID, step))
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}
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}
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func TestRandomOwnerChangeWithMultipleTasks(t *testing.T) {
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nodeCnt := 5
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, nodeCnt)
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defer ctrl.Finish()
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seed := time.Now().UnixNano()
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t.Logf("seed: %d", seed)
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random := rand.New(rand.NewSource(seed))
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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var wg util.WaitGroupWrapper
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for i := 0; i < 10; i++ {
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taskKey := fmt.Sprintf("key%d", i)
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wg.Run(func() {
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submitTaskAndCheckSuccessForBasic(ctx, t, taskKey, testContext)
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})
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}
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wg.Run(func() {
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for i := 0; i < 3; i++ {
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time.Sleep(time.Duration(random.Intn(2000)) * time.Millisecond)
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idx := int(random.Int31n(int32(nodeCnt)))
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distContext.SetOwner(idx)
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require.Eventually(t, func() bool {
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return distContext.GetDomain(idx).DDL().OwnerManager().IsOwner()
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}, 2*time.Second, 100*time.Millisecond)
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}
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})
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wg.Wait()
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distContext.Close()
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}
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func TestFrameworkScaleInAndOut(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 5)
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defer ctrl.Finish()
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seed := time.Now().UnixNano()
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t.Logf("seed: %d", seed)
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random := rand.New(rand.NewSource(seed))
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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var wg util.WaitGroupWrapper
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for i := 0; i < 12; i++ {
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taskKey := fmt.Sprintf("key%d", i)
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wg.Run(func() {
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submitTaskAndCheckSuccessForBasic(ctx, t, taskKey, testContext)
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})
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}
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wg.Run(func() {
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for i := 0; i < 3; i++ {
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if random.Intn(2) == 0 {
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distContext.AddDomain()
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} else {
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// TODO: it's not real scale-in, delete domain doesn't stop task executor
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// closing domain will reset storage.TaskManager which will cause
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// test fail.
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distContext.DeleteDomain(int(random.Int31n(int32(distContext.GetDomainCnt()-1))) + 1)
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}
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time.Sleep(time.Duration(random.Intn(2000)) * time.Millisecond)
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idx := int(random.Int31n(int32(distContext.GetDomainCnt())))
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distContext.SetOwner(idx)
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require.Eventually(t, func() bool {
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return distContext.GetDomain(idx).DDL().OwnerManager().IsOwner()
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}, 2*time.Second, 100*time.Millisecond)
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}
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})
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wg.Wait()
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distContext.Close()
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}
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func TestFrameworkWithQuery(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 2)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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var wg util.WaitGroupWrapper
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wg.Run(func() {
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submitTaskAndCheckSuccessForBasic(ctx, t, "key1", testContext)
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})
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tk := testkit.NewTestKit(t, distContext.Store)
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tk.MustExec("use test")
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tk.MustExec("drop table if exists t")
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tk.MustExec("create table t(a int not null, b int not null)")
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rs, err := tk.Exec("select ifnull(a,b) from t")
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require.NoError(t, err)
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fields := rs.Fields()
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require.Greater(t, len(fields), 0)
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require.Equal(t, "ifnull(a,b)", rs.Fields()[0].Column.Name.L)
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require.NoError(t, rs.Close())
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wg.Wait()
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distContext.Close()
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}
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func TestFrameworkCancelTask(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 2)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/MockExecutorRunCancel", "1*return(1)"))
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defer func() {
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/MockExecutorRunCancel"))
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}()
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task := testutil.SubmitAndWaitTask(ctx, t, "key1")
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require.Equal(t, proto.TaskStateReverted, task.State)
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distContext.Close()
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}
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func TestFrameworkSubTaskFailed(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 1)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/MockExecutorRunErr", "1*return(true)"))
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defer func() {
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/MockExecutorRunErr"))
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}()
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task := testutil.SubmitAndWaitTask(ctx, t, "key1")
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require.Equal(t, proto.TaskStateReverted, task.State)
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distContext.Close()
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}
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func TestFrameworkSubTaskInitEnvFailed(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 1)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockExecSubtaskInitEnvErr", "return()"))
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defer func() {
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockExecSubtaskInitEnvErr"))
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}()
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task := testutil.SubmitAndWaitTask(ctx, t, "key1")
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require.Equal(t, proto.TaskStateReverted, task.State)
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distContext.Close()
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}
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func TestOwnerChangeWhenSchedule(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 3)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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scheduler.MockOwnerChange = func() {
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distContext.SetOwner(0)
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}
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/mockOwnerChange", "1*return(true)"))
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submitTaskAndCheckSuccessForBasic(ctx, t, "😊", testContext)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/mockOwnerChange"))
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distContext.Close()
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}
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func TestTaskExecutorDownBasic(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 4)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockCleanExecutor", "return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockStopManager", "4*return(\":4000\")"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockTiDBDown", "return(\":4000\")"))
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submitTaskAndCheckSuccess(ctx, t, "😊", testContext, map[proto.Step]int{
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proto.StepOne: 3,
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proto.StepTwo: 1,
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})
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockCleanExecutor"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockTiDBDown"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockStopManager"))
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distContext.Close()
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}
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func TestTaskExecutorDownManyNodes(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 30)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockCleanExecutor", "return()"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockStopManager", "30*return(\":4000\")"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockTiDBDown", "return(\":4000\")"))
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submitTaskAndCheckSuccess(ctx, t, "😊", testContext, map[proto.Step]int{
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proto.StepOne: 3,
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proto.StepTwo: 1,
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})
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockCleanExecutor"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockTiDBDown"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/mockStopManager"))
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distContext.Close()
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}
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func TestGC(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 3)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/storage/subtaskHistoryKeepSeconds", "return(1)"))
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/historySubtaskTableGcInterval", "return(1)"))
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defer func() {
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/storage/subtaskHistoryKeepSeconds"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/historySubtaskTableGcInterval"))
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}()
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submitTaskAndCheckSuccessForBasic(ctx, t, "😊", testContext)
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mgr, err := storage.GetTaskManager()
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require.NoError(t, err)
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var historySubTasksCnt int
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require.Eventually(t, func() bool {
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historySubTasksCnt, err = testutil.GetSubtasksFromHistory(ctx, mgr)
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if err != nil {
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return false
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}
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return historySubTasksCnt == 4
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}, 10*time.Second, 500*time.Millisecond)
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scheduler.WaitTaskFinished <- struct{}{}
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require.Eventually(t, func() bool {
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historySubTasksCnt, err := testutil.GetSubtasksFromHistory(ctx, mgr)
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if err != nil {
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return false
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}
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return historySubTasksCnt == 0
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}, 10*time.Second, 500*time.Millisecond)
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distContext.Close()
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}
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func TestFrameworkSubtaskFinishedCancel(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 3)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/MockSubtaskFinishedCancel", "1*return(true)"))
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defer func() {
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/MockSubtaskFinishedCancel"))
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}()
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task := testutil.SubmitAndWaitTask(ctx, t, "key1")
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require.Equal(t, proto.TaskStateReverted, task.State)
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distContext.Close()
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}
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func TestFrameworkRunSubtaskCancel(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 3)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/MockRunSubtaskCancel", "1*return(true)"))
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task := testutil.SubmitAndWaitTask(ctx, t, "key1")
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require.Equal(t, proto.TaskStateReverted, task.State)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/taskexecutor/MockRunSubtaskCancel"))
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distContext.Close()
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}
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func TestFrameworkCleanUpRoutine(t *testing.T) {
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bak := scheduler.DefaultCleanUpInterval
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defer func() {
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scheduler.DefaultCleanUpInterval = bak
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}()
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scheduler.DefaultCleanUpInterval = 500 * time.Millisecond
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 3)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/WaitCleanUpFinished", "return()"))
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// normal
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submitTaskAndCheckSuccessForBasic(ctx, t, "key1", testContext)
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<-scheduler.WaitCleanUpFinished
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mgr, err := storage.GetTaskManager()
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require.NoError(t, err)
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tasks, err := mgr.GetTaskByKeyWithHistory(ctx, "key1")
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require.NoError(t, err)
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require.NotEmpty(t, tasks)
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subtasks, err := testutil.GetSubtasksFromHistory(ctx, mgr)
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require.NoError(t, err)
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require.NotEmpty(t, subtasks)
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// transfer err
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/mockTransferErr", "1*return()"))
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submitTaskAndCheckSuccessForBasic(ctx, t, "key2", testContext)
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<-scheduler.WaitCleanUpFinished
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mgr, err = storage.GetTaskManager()
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require.NoError(t, err)
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tasks, err = mgr.GetTaskByKeyWithHistory(ctx, "key1")
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require.NoError(t, err)
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require.NotEmpty(t, tasks)
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subtasks, err = testutil.GetSubtasksFromHistory(ctx, mgr)
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require.NoError(t, err)
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require.NotEmpty(t, subtasks)
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distContext.Close()
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/mockTransferErr"))
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/WaitCleanUpFinished"))
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}
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func TestTaskCancelledBeforeUpdateTask(t *testing.T) {
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ctx, ctrl, testContext, distContext := testutil.InitTestContext(t, 1)
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defer ctrl.Finish()
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testutil.RegisterTaskMeta(t, ctrl, testutil.GetMockBasicSchedulerExt(ctrl), testContext, nil)
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/cancelBeforeUpdateTask", "1*return(true)"))
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task := testutil.SubmitAndWaitTask(ctx, t, "key1")
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require.Equal(t, proto.TaskStateReverted, task.State)
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/disttask/framework/scheduler/cancelBeforeUpdateTask"))
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distContext.Close()
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}
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