package health import ( "fmt" "golang.org/x/net/context" "math/rand" "testing" "time" ) type A struct { } func (A) Check(ctx context.Context) (interface{}, error) { fmt.Println("check A") if rand.Int()%5 == 0 { return "出错A", fmt.Errorf("错误:%s", "123") } return "正常A", nil } type B struct { } func (B) Check(ctx context.Context) (interface{}, error) { fmt.Println("check B") if rand.Int()%5 == 0 { return "出错B", fmt.Errorf("错误:%s", "123B") } return "正常B", nil } func TestNew(t *testing.T) { ctx, cancel := context.WithCancel(context.TODO()) cm := New(ctx) cm.RegisterChecker(NewChecker("A", A{}, WithInterval(time.Second), WithInterval(time.Second))) cm.RegisterChecker(NewChecker("B", B{}, WithInterval(time.Second), WithInterval(time.Second))) cm.Start() go func() { w := cm.NewWatcher() s := cm.GetStatus() fmt.Println("----", s) defer w.Close() for i := range w.Ch { fmt.Println("--->>", i, cm.GetStatus(i)) } }() time.Sleep(time.Second * 20) cm.Stop() t.Log("-----=") time.Sleep(time.Second * 5) cancel() }