package observer

import (
	"github.com/stretchr/testify/assert"
	"testing"
	"time"
)

type Test struct {
	Id string
}

func TestAddNotifyObserver(t *testing.T) {

	// others package notify call
	go func() {
		time.Sleep(1 * time.Second)
		Notify("test", Test{Id: "test"})
	}()

	ch := make(chan interface{},0)
	Add("test", ch)

	dd := <-ch
	bb := dd.(Test)
	assert.Equal(t, "test", bb.Id)
}

func TestRemoveObserver(t *testing.T) {

	ch := make(chan interface{},0)
	Add("test", ch)

	err := Remove("test", ch)
	assert.Equal(t, nil, err)
}

// +build ignore
func TestMultiAddObserver(t *testing.T) {
	ch1 := make(chan interface{},0)
	ch2 := make(chan interface{},0)
	ch3 := make(chan interface{},0)
	ch4 := make(chan interface{},0)
	ch5 := make(chan interface{},0)
	
	go func() {
		d:=<-ch1
		dd := d.(Test)
		assert.Equal(t, dd.Id,"test")
	}()
	
	go func() {
		d:=<-ch2
		dd := d.(Test)
		assert.Equal(t, dd.Id,"test")
	}()
	
	go func() {
		d:=<-ch3
		dd := d.(Test)
		assert.Equal(t, dd.Id,"test")
	}()
	
	go func() {
		d:=<-ch4
		dd := d.(Test)
		assert.Equal(t, dd.Id,"test")
	}()
	
	go func() {
		d:=<-ch4
		dd := d.(Test)
		assert.Equal(t, dd.Id,"test")
	}()
	
	Add("test", ch1)
	Add("test", ch2)
	Add("test", ch3)
	Add("test", ch4)
	Add("test", ch5)
	
	// others package notify call
	go func() {
		time.Sleep(1 * time.Second)
		Notify("test", Test{Id: "test"})

		time.Sleep(2 * time.Second)
		Remove("test", ch1)
		Remove("test", ch2)
		Remove("test", ch3)
		Remove("test", ch4)
		Remove("test", ch5)
	}()
	
	time.Sleep(1 * time.Second)
	
}