brian-mann/backend_server.coffee

## backend_server.coffee
http       = require("http")
morgan     = require("morgan")
express    = require("express")
bodyParser = require("body-parser")

app = express()

srv = http.Server(app)

app.use(morgan("dev"))
app.use(bodyParser.json())

app.get "/", (req, res) ->
  res.send("<html>hi there</html>")

app.post "/login", (req, res) ->
  ## respond with JSON with exactly what the
  ## request body was and all of the request headers
  res.json({
    body: req.body
    headers: req.headers
  })

srv.listen 2222, ->
  console.log "listening on 2222"

## cypress_test.coffee
it "ensures that request headers go out and reach the server", ->
  cy
    .visit("http://localhost:2222")
    .window().then (win) ->
      new Cypress.Promise (resolve) ->
        xhr = new win.XMLHttpRequest
        xhr.open("POST", "/login")
        xhr.setRequestHeader("Content-Type", "application/json")
        xhr.setRequestHeader("X-CSRF-Token", "abc-123")
        xhr.send(JSON.stringify({foo: "bar"}))
        xhr.onload = ->
          resolve(JSON.parse(xhr.response))
    .then (resp) ->
      ## the server sends us back response JSON
      ## with the request details so we can verify
      ## that the backend server received exactly what we sent
      ## and the Cypress proxy did not modify this in any way
      expect(resp.body).to.deep.eq({foo: "bar"})
      expect(resp.headers).to.have.property("x-csrf-token", "abc-123")
      expect(resp.headers).to.have.property("content-type", "application/json")
	http = require("http")
	morgan = require("morgan")
	express = require("express")
	bodyParser = require("body-parser")

	app = express()

	srv = http.Server(app)

	app.use(morgan("dev"))
	app.use(bodyParser.json())

	app.get "/", (req, res) ->
	res.send("<html>hi there</html>")

	app.post "/login", (req, res) ->
	## respond with JSON with exactly what the
	## request body was and all of the request headers
	res.json({
	body: req.body
	headers: req.headers
	})

	srv.listen 2222, ->
	console.log "listening on 2222"
	it "ensures that request headers go out and reach the server", ->
	cy
	.visit("http://localhost:2222")
	.window().then (win) ->
	new Cypress.Promise (resolve) ->
	xhr = new win.XMLHttpRequest
	xhr.open("POST", "/login")
	xhr.setRequestHeader("Content-Type", "application/json")
	xhr.setRequestHeader("X-CSRF-Token", "abc-123")
	xhr.send(JSON.stringify({foo: "bar"}))
	xhr.onload = ->
	resolve(JSON.parse(xhr.response))
	.then (resp) ->
	## the server sends us back response JSON
	## with the request details so we can verify
	## that the backend server received exactly what we sent
	## and the Cypress proxy did not modify this in any way
	expect(resp.body).to.deep.eq({foo: "bar"})
	expect(resp.headers).to.have.property("x-csrf-token", "abc-123")
	expect(resp.headers).to.have.property("content-type", "application/json")