// 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 testutil

import (
	"context"
	"sync"
	"sync/atomic"
	"testing"

	"github.com/pingcap/tidb/pkg/testkit"
	"github.com/tikv/client-go/v2/util"
	"go.uber.org/mock/gomock"
)

// TestContext defines shared variables for disttask tests.
type TestContext struct {
	// for basic tests.
	M sync.Map
	// for rollback tests.
	RollbackCnt atomic.Int32
	// for plan err handling tests.
	CallTime int
}

// InitTestContext inits test context for disttask tests.
func InitTestContext(t *testing.T, nodeNum int) (context.Context, *gomock.Controller, *TestContext, *testkit.DistExecutionContext) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()
	ctx := context.Background()
	ctx = util.WithInternalSourceType(ctx, "dispatcher")

	return ctx, ctrl, &TestContext{}, testkit.NewDistExecutionContext(t, nodeNum)
}