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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package syslog
import (
"io"
"log"
"net"
"testing"
)
var serverAddr string
func runSyslog(c net.PacketConn, done chan<- string) {
var buf [4096]byte
var rcvd string = ""
for {
n, _, err := c.ReadFrom(buf[0:])
if err != nil || n == 0 {
break
}
rcvd += string(buf[0:n])
}
done <- rcvd
}
func startServer(done chan<- string) {
c, e := net.ListenPacket("udp", "127.0.0.1:0")
if e != nil {
log.Exitf("net.ListenPacket failed udp :0 %v", e)
}
serverAddr = c.LocalAddr().String()
c.SetReadTimeout(100e6) // 100ms
go runSyslog(c, done)
}
func TestNew(t *testing.T) {
s, err := New(LOG_INFO, "")
if err != nil {
t.Fatalf("New() failed: %s", err)
}
// Don't send any messages.
s.Close()
}
func TestNewLogger(t *testing.T) {
f := NewLogger(LOG_INFO, 0)
if f == nil {
t.Error("NewLogger() failed")
}
}
func TestDial(t *testing.T) {
l, err := Dial("", "", LOG_ERR, "syslog_test")
if err != nil {
t.Fatalf("Dial() failed: %s", err)
}
l.Close()
}
func TestUDPDial(t *testing.T) {
done := make(chan string)
startServer(done)
l, err := Dial("udp", serverAddr, LOG_INFO, "syslog_test")
if err != nil {
t.Fatalf("syslog.Dial() failed: %s", err)
}
msg := "udp test"
l.Info(msg)
expected := "<6>syslog_test: udp test\n"
rcvd := <-done
if rcvd != expected {
t.Fatalf("s.Info() = '%q', but wanted '%q'", rcvd, expected)
}
}
func TestWrite(t *testing.T) {
done := make(chan string)
startServer(done)
l, err := Dial("udp", serverAddr, LOG_ERR, "syslog_test")
if err != nil {
t.Fatalf("syslog.Dial() failed: %s", err)
}
msg := "write test"
_, err = io.WriteString(l, msg)
if err != nil {
t.Fatalf("WriteString() failed: %s", err)
}
expected := "<3>syslog_test: write test\n"
rcvd := <-done
if rcvd != expected {
t.Fatalf("s.Info() = '%q', but wanted '%q'", rcvd, expected)
}
}
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