Files
tidb/br/pkg/backup/store_test.go

109 lines
2.9 KiB
Go

// Copyright 2024 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 backup
import (
"context"
"testing"
"time"
backuppb "github.com/pingcap/kvproto/pkg/brpb"
"github.com/stretchr/testify/require"
"google.golang.org/grpc"
)
type MockBackupClient struct {
backuppb.BackupClient
recvFunc func(context.Context) (*backuppb.BackupResponse, error)
}
func (mbc *MockBackupClient) Backup(ctx context.Context, _ *backuppb.BackupRequest, _ ...grpc.CallOption) (backuppb.Backup_BackupClient, error) {
return &MockBackupBackupClient{ctx: ctx, recvFunc: mbc.recvFunc}, nil
}
type MockBackupBackupClient struct {
backuppb.Backup_BackupClient
ctx context.Context
recvFunc func(context.Context) (*backuppb.BackupResponse, error)
}
func (mbbc *MockBackupBackupClient) CloseSend() error {
return nil
}
func (mbbc *MockBackupBackupClient) Recv() (*backuppb.BackupResponse, error) {
if mbbc.recvFunc != nil {
return mbbc.recvFunc(mbbc.ctx)
}
return &backuppb.BackupResponse{}, nil
}
func TestTimeoutRecv(t *testing.T) {
ctx := context.Background()
TimeoutOneResponse = time.Millisecond * 800
// Just Timeout Once
{
err := startBackup(ctx, 0, NewResourceMemoryLimiter(100), backuppb.BackupRequest{}, &MockBackupClient{
recvFunc: func(ctx context.Context) (*backuppb.BackupResponse, error) {
time.Sleep(time.Second)
require.Error(t, ctx.Err())
return nil, ctx.Err()
},
}, 1, nil)
require.Error(t, err)
}
// Timeout Not At First
{
count := 0
err := startBackup(ctx, 0, NewResourceMemoryLimiter(100), backuppb.BackupRequest{}, &MockBackupClient{
recvFunc: func(ctx context.Context) (*backuppb.BackupResponse, error) {
require.NoError(t, ctx.Err())
if count == 15 {
time.Sleep(time.Second)
require.Error(t, ctx.Err())
return nil, ctx.Err()
}
count += 1
time.Sleep(time.Millisecond * 80)
return &backuppb.BackupResponse{}, nil
},
}, 1, make(chan *ResponseAndStore, 15))
require.Error(t, err)
require.Equal(t, count, 15)
}
}
func TestTimeoutRecvCancel(t *testing.T) {
ctx := context.Background()
cctx, cancel := context.WithCancel(ctx)
_, trecv := StartTimeoutRecv(cctx, time.Hour, 0)
cancel()
trecv.wg.Wait()
}
func TestTimeoutRecvCanceled(t *testing.T) {
ctx := context.Background()
cctx, cancel := context.WithCancel(ctx)
defer cancel()
tctx, trecv := StartTimeoutRecv(cctx, time.Hour, 0)
trecv.Stop()
require.Equal(t, "context canceled", tctx.Err().Error())
}