package goshutdowner

import (
	"os"
	"testing"
	"time"
)

func Test_shutdowner(t *testing.T) {
	t.Run("Simple test", func(t *testing.T) {
		var s Shutdowner
		var testBool1, testBool2, testBool3 bool
		s.Add(func() {
			testBool1 = true
		})
		s.Add(func() {
			testBool2 = true
		})
		s.ShutdownAndWait()
		if testBool1 != true {
			t.Fail()
		}
		if testBool2 != true {
			t.Fail()
		}
		if testBool3 != false {
			t.Fail()
		}
	})
	t.Run("Signal test", func(t *testing.T) {
		var s Shutdowner
		var testBool1 bool
		s.Add(func() {
			time.Sleep(1 * time.Second)
			testBool1 = true
		})
		s.quit <- os.Interrupt
		s.Wait()
		if testBool1 != true {
			t.Fail()
		}
	})
	t.Run("Cancel shutdown", func(t *testing.T) {
		var s Shutdowner
		var testBool1 bool
		s.Add(func() {
			time.Sleep(10 * time.Second)
			testBool1 = true
		})
		go func() {
			time.Sleep(1 * time.Second)
			s.Shutdown()
		}()
		s.ShutdownAndWait()
		if testBool1 == true {
			t.Fail()
		}
	})
	t.Run("Cancel shutdown using signal", func(t *testing.T) {
		var s Shutdowner
		var testBool1 bool
		s.Add(func() {
			time.Sleep(10 * time.Second)
			testBool1 = true
		})
		go func() {
			time.Sleep(1 * time.Second)
			s.quit <- os.Interrupt
		}()
		s.ShutdownAndWait()
		if testBool1 == true {
			t.Fail()
		}
	})
}