mirror of https://github.com/tikv/client-go.git
99 lines
2.8 KiB
Go
99 lines
2.8 KiB
Go
// Copyright 2021 TiKV Authors
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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 tikv_test
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import (
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"context"
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"time"
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"github.com/pingcap/kvproto/pkg/kvrpcpb"
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"github.com/pkg/errors"
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tikverr "github.com/tikv/client-go/v2/error"
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"github.com/tikv/client-go/v2/tikv"
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"github.com/tikv/client-go/v2/tikvrpc"
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"github.com/tikv/client-go/v2/util"
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)
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// mock TiKV RPC client that hooks message by failpoint
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type fpClient struct {
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tikv.Client
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}
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func (c fpClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.Request, timeout time.Duration) (*tikvrpc.Response, error) {
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switch req.Type {
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case tikvrpc.CmdPrewrite:
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if val, err := util.EvalFailpoint("rpcPrewriteResult"); err == nil && val != nil {
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switch val.(string) {
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case "timeout":
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return nil, errors.New("timeout")
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case "writeConflict":
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return &tikvrpc.Response{
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Resp: &kvrpcpb.PrewriteResponse{Errors: []*kvrpcpb.KeyError{{Conflict: &kvrpcpb.WriteConflict{}}}},
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}, nil
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}
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}
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case tikvrpc.CmdBatchGet:
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batchGetReq := req.BatchGet()
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if val, err := util.EvalFailpoint("rpcBatchGetResult"); err == nil {
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switch val.(string) {
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case "keyError":
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return &tikvrpc.Response{
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Resp: &kvrpcpb.BatchGetResponse{Error: &kvrpcpb.KeyError{
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Locked: &kvrpcpb.LockInfo{
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PrimaryLock: batchGetReq.Keys[0],
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LockVersion: batchGetReq.Version - 1,
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Key: batchGetReq.Keys[0],
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LockTtl: 50,
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TxnSize: 1,
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LockType: kvrpcpb.Op_Put,
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},
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}},
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}, nil
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}
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}
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case tikvrpc.CmdScan:
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kvScanReq := req.Scan()
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if val, err := util.EvalFailpoint("rpcScanResult"); err == nil {
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switch val.(string) {
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case "keyError":
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return &tikvrpc.Response{
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Resp: &kvrpcpb.ScanResponse{Error: &kvrpcpb.KeyError{
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Locked: &kvrpcpb.LockInfo{
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PrimaryLock: kvScanReq.StartKey,
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LockVersion: kvScanReq.Version - 1,
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Key: kvScanReq.StartKey,
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LockTtl: 50,
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TxnSize: 1,
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LockType: kvrpcpb.Op_Put,
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},
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}},
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}, nil
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}
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}
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}
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res, err := c.Client.SendRequest(ctx, addr, req, timeout)
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switch req.Type {
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case tikvrpc.CmdPrewrite:
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if val, err := util.EvalFailpoint("rpcPrewriteTimeout"); err == nil {
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if val.(bool) {
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return nil, tikverr.ErrResultUndetermined
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}
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}
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}
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return res, err
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}
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