github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/logstore/driver/entry/mock.go (about)

     1  // Copyright 2021 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 entry
    16  
    17  import (
    18  	"bytes"
    19  	"math/rand"
    20  
    21  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/logstore/entry"
    22  )
    23  
    24  var buf []byte
    25  
    26  func init() {
    27  	var bs bytes.Buffer
    28  	for i := 0; i < 3000; i++ {
    29  		bs.WriteString("helloyou")
    30  	}
    31  	buf = bs.Bytes()
    32  }
    33  
    34  func MockEntry() *Entry {
    35  	payloadSize := 100
    36  
    37  	e := entry.GetBase()
    38  	e.SetType(entry.IOET_WALEntry_Test)
    39  	info := &entry.Info{GroupLSN: uint64(rand.Intn(1000))}
    40  	e.SetInfo(info)
    41  	payload := make([]byte, payloadSize)
    42  	copy(payload, buf)
    43  	err := e.SetPayload(payload)
    44  	if err != nil {
    45  		panic(err)
    46  	}
    47  	e.PrepareWrite()
    48  	return NewEntry(e)
    49  }
    50  
    51  func MockEntryWithPayload(payload []byte) *Entry {
    52  	e := entry.GetBase()
    53  	e.SetType(entry.IOET_WALEntry_Test)
    54  	info := &entry.Info{GroupLSN: uint64(rand.Intn(1000))}
    55  	e.SetInfo(info)
    56  	err := e.SetPayload(payload)
    57  	if err != nil {
    58  		panic(err)
    59  	}
    60  	e.PrepareWrite()
    61  	return NewEntry(e)
    62  
    63  }