milvus/internal/storage/binlog_writer_test.go

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package storage
import (
"fmt"
"strconv"
"testing"
"github.com/stretchr/testify/assert"
"github.com/zilliztech/milvus-distributed/internal/proto/schemapb"
)
func TestBinlogWriterReader(t *testing.T) {
binlogWriter := NewInsertBinlogWriter(schemapb.DataType_INT32)
defer binlogWriter.Close()
eventWriter, err := binlogWriter.NextInsertEventWriter()
assert.Nil(t, err)
err = eventWriter.AddInt32ToPayload([]int32{1, 2, 3})
assert.Nil(t, err)
assert.Nil(t, nil, binlogWriter.GetBuffer())
err = binlogWriter.Close()
assert.Nil(t, err)
assert.EqualValues(t, 1, binlogWriter.GetEventNums())
nums, err := binlogWriter.GetRowNums()
assert.Nil(t, err)
assert.EqualValues(t, 3, nums)
err = eventWriter.AddInt32ToPayload([]int32{1, 2, 3})
assert.NotNil(t, err)
nums, err = binlogWriter.GetRowNums()
assert.Nil(t, err)
assert.EqualValues(t, 3, nums)
buffer := binlogWriter.GetBuffer()
fmt.Println("reader offset : " + strconv.Itoa(len(buffer)))
binlogReader, err := NewBinlogReader(buffer)
assert.Nil(t, err)
eventReader, err := binlogReader.NextEventReader()
assert.Nil(t, err)
_, err = eventReader.GetInt8FromPayload()
assert.NotNil(t, err)
payload, err := eventReader.GetInt32FromPayload()
assert.Nil(t, err)
assert.EqualValues(t, 3, len(payload))
assert.EqualValues(t, 1, payload[0])
assert.EqualValues(t, 2, payload[1])
assert.EqualValues(t, 3, payload[2])
reader, err := binlogReader.NextEventReader()
assert.Nil(t, err)
fmt.Println("reader offset : " + strconv.Itoa(int(binlogReader.currentOffset)))
assert.Nil(t, reader)
}