Golang设计模式——03外观模式

package Facade
import "fmt"
type CarModel struct {
}
func NewCarModel() *CarModel {
  return &CarModel{}
}
func (c *CarModel) SetModel() {
  fmt.Println("CarModel - SetModel")
}
func (c *CarModel) ModelBroke() {
  fmt.Println("Model was Broke")
}
type CarEngine struct {
}
func NewCarEngine() *CarEngine {
  return &CarEngine{}
}
func (c *CarEngine) SetEngine() {
  fmt.Println("CarEngine - SetEngine")
}
func (c *CarEngine) EngineBroke() {
  fmt.Println("Engine was Broke")
}
type CarBody struct {
}
func NewCarBody() *CarBody {
  return &CarBody{}
}
func (c *CarBody) SetCarBody() {
  fmt.Println("CarBody - SetBody")
}
func (c *CarBody) BodyBroke() {
  fmt.Println("Body was Broke")
}
type CarFacade struct {
  model  CarModel
  engine CarEngine
  body   CarBody
}
func NewCarFacade() *CarFacade {
  return &CarFacade{
    model:  CarModel{},
    engine: CarEngine{},
    body:   CarBody{},
  }
}
func (c *CarFacade) CreateCompleteCar() {
  c.model.SetModel()
  c.body.SetCarBody()
  c.engine.SetEngine()
}
func (c *CarFacade) MethodA() {
  c.model.SetModel()
  c.body.BodyBroke()
  c.engine.SetEngine()
  c.model.ModelBroke()
}
func (c *CarFacade) MethodB() {
  c.model.ModelBroke()
  c.body.BodyBroke()
  c.engine.EngineBroke()
}

package Facade
import "testing"
func TestCarFacade_CreateCompleteCar(t *testing.T) {
  car:=NewCarFacade()
  car.CreateCompleteCar()
  car.MethodA()
  car.MethodB()
}