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