86 lines
2.6 KiB
Go
86 lines
2.6 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 testutil
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import (
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"context"
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"fmt"
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"sync"
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"sync/atomic"
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"testing"
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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/testkit"
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"github.com/stretchr/testify/require"
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"github.com/tikv/client-go/v2/util"
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"go.uber.org/mock/gomock"
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)
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// TestContext defines shared variables for disttask tests.
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type TestContext struct {
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sync.RWMutex
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// taskID/step -> subtask map.
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subtasksHasRun map[string]map[int64]struct{}
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// for rollback tests.
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RollbackCnt atomic.Int32
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// for plan err handling tests.
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CallTime int
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}
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// InitTestContext inits test context for disttask tests.
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func InitTestContext(t *testing.T, nodeNum int) (context.Context, *gomock.Controller, *TestContext, *testkit.DistExecutionContext) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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ctx := context.Background()
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ctx = util.WithInternalSourceType(ctx, "dispatcher")
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require.NoError(t, failpoint.Enable("github.com/pingcap/tidb/pkg/util/cpu/mockNumCpu", "return(8)"))
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t.Cleanup(func() {
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require.NoError(t, failpoint.Disable("github.com/pingcap/tidb/pkg/util/cpu/mockNumCpu"))
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})
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executionContext := testkit.NewDistExecutionContext(t, nodeNum)
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testCtx := &TestContext{
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subtasksHasRun: make(map[string]map[int64]struct{}),
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}
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return ctx, ctrl, testCtx, executionContext
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}
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// CollectSubtask collects subtask info
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func (c *TestContext) CollectSubtask(subtask *proto.Subtask) {
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key := getTaskStepKey(subtask.TaskID, subtask.Step)
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c.Lock()
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defer c.Unlock()
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m, ok := c.subtasksHasRun[key]
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if !ok {
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m = make(map[int64]struct{})
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c.subtasksHasRun[key] = m
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}
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m[subtask.ID] = struct{}{}
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}
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// CollectedSubtaskCnt returns the collected subtask count.
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func (c *TestContext) CollectedSubtaskCnt(taskID int64, step proto.Step) int {
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key := getTaskStepKey(taskID, step)
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c.RLock()
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defer c.RUnlock()
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return len(c.subtasksHasRun[key])
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}
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// getTaskStepKey returns the key of a task step.
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func getTaskStepKey(id int64, step proto.Step) string {
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return fmt.Sprintf("%d/%d", id, step)
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}
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