func TestStopIfNotStarted(t *testing.T) {
checker := New(time.Millisecond)
err := checker.Stop()
if err == nil {
t.Error("Stopped not started checker")
}
}
func TestRemoveHook(t *testing.T) {
checker := New(time.Millisecond)
counter := struct {
*sync.Mutex
called bool
}{
&sync.Mutex{},
false,
}
checker.AddHook("testHook", func(m map[string]bool) {
counter.Lock()
counter.called = true
counter.Unlock()
})
checker.Start()
time.Sleep(2 * time.Millisecond)
counter.Lock()
if !counter.called {
t.Error("Counter not called")
}
counter.called = false
counter.Unlock()
checker.RemoveHook("testHook")
time.Sleep(2 * time.Millisecond)
counter.Lock()
if counter.called {
t.Error("Counter should not be called")
}
counter.Unlock()
checker.Stop()
}
func TestStartAlreadyStartedChecker(t *testing.T) {
checker := New(time.Millisecond)
err := checker.Start()
if err != nil {
t.Error("Start checker failed")
}
err = checker.Start()
if err == nil {
t.Error("The already started checker cannot be started")
}
checker.Stop()
}
func TestBasicFunction(t *testing.T) {
checker := New(time.Millisecond)
checker.RegisterIndicator(&TestIndicator{
&sync.Mutex{},
true,
})
cond := make(chan bool, 0)
checker.AddHook("testHook", func(m map[string]bool) {
ok := m["test"]
select {
case cond <- ok:
log.Println("Condition has been written")
default:
log.Println("Cant write condition")
}
})
checker.Start()
if !<-cond {
t.Error("Helthchecker failed")
}
checker.Stop()
}
func TestUnregister(t *testing.T) {
checker := New(time.Millisecond)
indicator := &TestIndicator{
&sync.Mutex{},
false,
}
checker.RegisterIndicator(indicator)
checker.Start()
time.Sleep(2 * time.Millisecond)
checker.UnregisterIndicator(indicator)
indicator.Lock()
indicator.hasBeenCalled = false
indicator.Unlock()
time.Sleep(2 * time.Millisecond)
if indicator.hasBeenCalled {
t.Error("Unregistration not sucessfull")
}
}