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|
package ifplugo
import (
"log"
"net"
"sync"
"testing"
"time"
)
func TestIface(t *testing.T) {
intfs, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
if len(intfs) == 0 {
log.Println("No interfaces present, skipping...")
t.SkipNow()
}
empty := true
for _, intf := range intfs {
stats, err := GetLinkStatus(intf.Name)
if err != nil {
continue
}
log.Println("Got status for ", intf.Name)
if stats != InterfaceErr {
empty = false
}
}
if empty {
t.Fatal("Unable to retrieve status from any interface of this system.")
}
}
func TestMonitor(t *testing.T) {
intfs, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
if len(intfs) == 0 {
log.Println("No interfaces present, skipping...")
t.SkipNow()
}
ifaces := make([]string, 0)
for _, intf := range intfs {
ifaces = append(ifaces, intf.Name)
}
waitChan := make(chan bool)
outChan := make(chan LinkStatusSample)
mon := MakeLinkStatusMonitor(2*time.Second, ifaces, outChan)
var resMutex sync.Mutex
cnt := 0
results := make(map[string]int)
go func(c *int) {
for o := range outChan {
resMutex.Lock()
for k, v := range o.Ifaces {
results[k]++
log.Printf("got status for %s: %s", k, v)
}
(*c)++
resMutex.Unlock()
}
close(waitChan)
}(&cnt)
mon.Run()
time.Sleep(5 * time.Second)
mon.Stop()
resMutex.Lock()
if cnt != 1 {
t.Fatalf("expected 1 output, got %d", cnt)
}
for _, v := range ifaces {
if results[v] == 0 {
t.Fatalf("unseen interface %s", v)
}
}
for k := range results {
found := false
for _, i := range ifaces {
if i == k {
found = true
break
}
}
if !found {
t.Fatalf("unknown result interface %s", k)
}
}
resMutex.Unlock()
close(outChan)
<-waitChan
}
|
