示例#1
0
func main() {
	// Create service
	service := goa.New("API")
	logger := log15.New()
	goa.Log = goalog15.New(logger)
	// Setup middleware
	service.Use(middleware.RequestID())
	service.Use(middleware.LogRequest(true))
	service.Use(middleware.Recover())

	cspec, err := cors.New(func() {
		cors.Origin("*", func() {
			cors.Resource("/*", func() {
				cors.Headers("Accept", "Content-Type", "Origin", "Authorization")
				cors.Methods("GET", "POST", "PUT", "DELETE", "OPTIONS")
				cors.MaxAge(600)
				cors.Credentials(true)
				cors.Vary("Http-Origin")
			})
		})
	})
	if err != nil {
		panic(err)
	}
	// mount the cors controller
	service.Use(cors.Middleware(cspec))
	cors.MountPreflightController(service, cspec)

	// Mount "authentication" controller
	c := NewAuthenticationController(service)
	app.MountAuthenticationController(service, c)
	// Mount "operands" controller
	c2 := NewOperandsController(service)
	app.MountOperandsController(service, c2)
	// Mount "ui" controller
	ui.MountController(service)
	// Mount Swagger spec provider controller
	swagger.MountController(service)

	// Start service, listen on port 8080
	service.ListenAndServe(":8080")
	fmt.Println("a ...interface{}")
}
		h := func(ctx *goa.Context) error {
			ctx.Respond(200, "ok")
			return nil
		}
		rg := middleware.RequestID()(h)
		Ω(rg(ctx)).ShouldNot(HaveOccurred())
		Ω(ctx.Value(middleware.ReqIDKey)).Should(Equal(reqID))
	})
})

var _ = Describe("Recover", func() {
	It("recovers", func() {
		h := func(ctx *goa.Context) error {
			panic("boom")
		}
		rg := middleware.Recover()(h)
		err := rg(goa.NewContext(nil, goa.New("test"), nil, nil, nil))
		Ω(err).Should(HaveOccurred())
		Ω(err.Error()).Should(Equal("panic: boom"))
	})
})

var _ = Describe("Timeout", func() {
	It("sets a deadline", func() {
		h := func(ctx *goa.Context) error {
			ctx.Respond(200, "ok")
			return nil
		}
		req, err := http.NewRequest("POST", "/goo", strings.NewReader(`{"payload":42}`))
		Ω(err).ShouldNot(HaveOccurred())
		t := middleware.Timeout(time.Duration(1))(h)