test.coffee

postDigest = (shouldBehaveThusly) ->
  request(app).post("/api/digest", "myfirstdigest").end shouldBehaveThusly
getDigest = (path, shouldBehaveThusly) ->
  request(app).get(path).end shouldBehaveThusly
chai = require("chai")
should = chai.should()
express = require("express")
app = express()
chai = require("chai")
sinon = require("sinon")
sinonChai = require("sinon-chai")
request = require("supertest")
proxyquire = require("proxyquire")
hypermediaResponseStub = digest: sinon.spy()
controller = proxyquire("../../api/digestController",
  "./hypermediaResponse": hypermediaResponseStub
)
chai.use sinonChai
chai.config.includeStack = true
controller.init app

describe "digestController", ->
  describe "when creating a digest", ->
    it "should request digest hypermedia", (done) ->
      postDigest (err, res) ->
        hypermediaResponseStub.digest.should.have.been.calledOnce
        done()

  describe "when requesting a digest", ->
    describe "with an invalid, non-uuid digest identifier", ->
      get = (shouldBehaveThusly) ->
        getDigest "/api/digest/not_a_uuid", shouldBehaveThusly
      it "it returns a 400 status code", (done) ->
        get (err, res) ->
          res.statusCode.should.equal 400
          done()

      it "it returns a meaningful error message in the body", (done) ->
        get (err, res) ->
          res.text.should.equal "The value \"not_a_uuid\" is not recognized as a valid digest identifier."
          done()

    describe "with a valid, uuid digest identifier", ->
      get = (shouldBehaveThusly) ->
        getDigest "/api/digest/" + uuid, shouldBehaveThusly
      uuid = "e9be4a71-f6ca-4f02-b431-d74489dee5d0"
      it "it returns a 200 status code", (done) ->
        get (err, res) ->
          res.statusCode.should.equal 200
          done()