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|
package signal
import (
"io/ioutil"
"os"
"sync"
"syscall"
"testing"
"time"
"github.com/mpolden/zdns/log"
)
type reloaderCloser struct {
mu sync.RWMutex
reloaded bool
closed bool
}
func (rc *reloaderCloser) Reload() {
rc.mu.Lock()
defer rc.mu.Unlock()
rc.reloaded = true
}
func (rc *reloaderCloser) Close() error {
rc.mu.Lock()
defer rc.mu.Unlock()
rc.closed = true
return nil
}
func (rc *reloaderCloser) isReloaded() bool {
rc.mu.RLock()
defer rc.mu.RUnlock()
return rc.reloaded
}
func (rc *reloaderCloser) isClosed() bool {
rc.mu.RLock()
defer rc.mu.RUnlock()
return rc.closed
}
func (rc *reloaderCloser) reset() {
rc.mu.Lock()
defer rc.mu.Unlock()
rc.reloaded = false
rc.closed = false
}
func TestHandler(t *testing.T) {
logger, err := log.New(ioutil.Discard, "", log.RecordOptions{})
if err != nil {
t.Fatal(err)
}
h := NewHandler(make(chan os.Signal, 1), logger)
rc := &reloaderCloser{}
h.OnReload(rc)
h.OnClose(rc)
var tests = []struct {
signal syscall.Signal
value func() bool
}{
{syscall.SIGHUP, rc.isReloaded},
{syscall.SIGTERM, rc.isClosed},
{syscall.SIGINT, rc.isClosed},
}
for _, tt := range tests {
rc.reset()
h.signal <- tt.signal
ts := time.Now()
for !tt.value() {
time.Sleep(10 * time.Millisecond)
if time.Since(ts) > 2*time.Second {
t.Fatalf("timed out waiting for handler of signal %s", tt.signal)
}
}
}
}
|
