github.com/matrixorigin/matrixone@v1.2.0/pkg/txn/client/testutil.go (about)

     1  // Copyright 2023 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package client
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  	"sync"
    21  	"sync/atomic"
    22  
    23  	"github.com/matrixorigin/matrixone/pkg/common/runtime"
    24  	"github.com/matrixorigin/matrixone/pkg/pb/txn"
    25  	"github.com/matrixorigin/matrixone/pkg/txn/rpc"
    26  )
    27  
    28  // RunTxnTests runs txn tests.
    29  func RunTxnTests(fn func(TxnClient, rpc.TxnSender), opts ...TxnClientCreateOption) {
    30  	runtime.SetupProcessLevelRuntime(runtime.DefaultRuntime())
    31  	ts := newTestTxnSender()
    32  	c := NewTxnClient(ts, opts...)
    33  	c.Resume()
    34  	fn(c, ts)
    35  }
    36  
    37  func newTestTxnSender() *testTxnSender {
    38  	return &testTxnSender{auto: true}
    39  }
    40  
    41  type testTxnSender struct {
    42  	sync.Mutex
    43  	lastRequests []txn.TxnRequest
    44  	auto         bool
    45  	manualFunc   func(*rpc.SendResult, error) (*rpc.SendResult, error)
    46  }
    47  
    48  func (ts *testTxnSender) Close() error {
    49  	return nil
    50  }
    51  
    52  func (ts *testTxnSender) Send(ctx context.Context, requests []txn.TxnRequest) (*rpc.SendResult, error) {
    53  	ts.Lock()
    54  	defer ts.Unlock()
    55  	ts.lastRequests = requests
    56  
    57  	responses := make([]txn.TxnResponse, 0, len(requests))
    58  	for _, req := range requests {
    59  		resp := txn.TxnResponse{
    60  			Txn:    &req.Txn,
    61  			Method: req.Method,
    62  			Flag:   req.Flag,
    63  		}
    64  		switch resp.Method {
    65  		case txn.TxnMethod_Read:
    66  			resp.CNOpResponse = &txn.CNOpResponse{Payload: []byte(fmt.Sprintf("r-%d", req.CNRequest.OpCode))}
    67  		case txn.TxnMethod_Write:
    68  			resp.CNOpResponse = &txn.CNOpResponse{Payload: []byte(fmt.Sprintf("w-%d", req.CNRequest.OpCode))}
    69  		case txn.TxnMethod_DEBUG:
    70  			resp.CNOpResponse = &txn.CNOpResponse{Payload: req.CNRequest.Payload}
    71  		case txn.TxnMethod_Rollback:
    72  			resp.Txn.Status = txn.TxnStatus_Aborted
    73  		case txn.TxnMethod_Commit:
    74  			resp.Txn.CommitTS = resp.Txn.SnapshotTS.Next()
    75  			resp.Txn.Status = txn.TxnStatus_Committed
    76  		}
    77  
    78  		responses = append(responses, resp)
    79  	}
    80  
    81  	result := &rpc.SendResult{Responses: responses}
    82  	if !ts.auto {
    83  		return ts.manualFunc(result, nil)
    84  	}
    85  	return result, nil
    86  }
    87  
    88  func (ts *testTxnSender) setManual(manualFunc func(*rpc.SendResult, error) (*rpc.SendResult, error)) {
    89  	ts.Lock()
    90  	defer ts.Unlock()
    91  	ts.manualFunc = manualFunc
    92  	ts.auto = false
    93  }
    94  
    95  func (ts *testTxnSender) getLastRequests() []txn.TxnRequest {
    96  	ts.Lock()
    97  	defer ts.Unlock()
    98  	return ts.lastRequests
    99  }
   100  
   101  type counter struct {
   102  	enter atomic.Uint64
   103  	exit  atomic.Uint64
   104  }
   105  
   106  func (count *counter) addEnter() {
   107  	count.enter.Add(1)
   108  }
   109  
   110  func (count *counter) addExit() {
   111  	count.exit.Add(1)
   112  }
   113  
   114  func (count *counter) more() bool {
   115  	return count.enter.Load() > count.exit.Load()
   116  }
   117  
   118  func (count *counter) String() string {
   119  	return fmt.Sprintf("enter:%d, exit:%d", count.enter.Load(), count.exit.Load())
   120  }