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|
package csm
import (
"encoding/json"
"fmt"
"net"
"testing"
)
func startUDPServer(done chan struct{}, fn func([]byte)) (string, error) {
addr, err := net.ResolveUDPAddr("udp", "127.0.0.1:0")
if err != nil {
return "", err
}
conn, err := net.ListenUDP("udp", addr)
if err != nil {
return "", err
}
buf := make([]byte, 1024)
go func() {
defer conn.Close()
for {
select {
case <-done:
return
default:
}
n, _, err := conn.ReadFromUDP(buf)
fn(buf[:n])
if err != nil {
panic(err)
}
}
}()
return conn.LocalAddr().String(), nil
}
func TestDifferentParams(t *testing.T) {
defer func() {
if r := recover(); r == nil {
t.Errorf("expected panic with different parameters")
}
}()
Start("clientID2", ":0")
}
var MetricsCh = make(chan map[string]interface{}, 1)
var Done = make(chan struct{})
func init() {
url, err := startUDPServer(Done, func(b []byte) {
m := map[string]interface{}{}
if err := json.Unmarshal(b, &m); err != nil {
panic(fmt.Sprintf("expected no error, but received %v", err))
}
MetricsCh <- m
})
if err != nil {
panic(err)
}
_, err = Start("clientID", url)
if err != nil {
panic(err)
}
}
|
