seaweedfs/weed/util/log_buffer/log_buffer_test.go
2023-11-09 08:02:39 -08:00

61 lines
1.4 KiB
Go

package log_buffer
import (
"crypto/rand"
"fmt"
"io"
"sync"
"testing"
"time"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
)
func TestNewLogBufferFirstBuffer(t *testing.T) {
flushInterval := time.Second
lb := NewLogBuffer("test", flushInterval, func(startTime, stopTime time.Time, buf []byte) {
fmt.Printf("flush from %v to %v %d bytes\n", startTime, stopTime, len(buf))
}, func() {
})
startTime := time.Now()
messageSize := 1024
messageCount := 5000
receivedMessageCount := 0
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
lastProcessedTime, isDone, err := lb.LoopProcessLogData("test", startTime, 0, func() bool {
// stop if no more messages
return receivedMessageCount < messageCount
}, func(logEntry *filer_pb.LogEntry) error {
receivedMessageCount++
if receivedMessageCount >= messageCount {
println("processed all messages")
return io.EOF
}
return nil
})
fmt.Printf("before flush: sent %d received %d\n", messageCount, receivedMessageCount)
fmt.Printf("lastProcessedTime %v isDone %v err: %v\n", lastProcessedTime, isDone, err)
if err != nil && err != io.EOF {
t.Errorf("unexpected error %v", err)
}
}()
var buf = make([]byte, messageSize)
for i := 0; i < messageCount; i++ {
rand.Read(buf)
lb.AddToBuffer(nil, buf, 0)
}
wg.Wait()
if receivedMessageCount != messageCount {
t.Errorf("expect %d messages, but got %d", messageCount, receivedMessageCount)
}
}