spur-common/test/unit/http/HTTPServiceSpec.coffee

A Node.JS library of common modules used as a base to most Node.JS applications.

nock = require "nock"
_    = require "lodash"

describe "HTTPService", ->

  beforeEach ->
    injector().inject (@HTTPService, @Timer, @HTTPPlugin, @HTTPTiming)=>

    @Timer.mockDuration(33)

    nock.disableNetConnect()

    @containsText = (text, arr)->
      _.every arr, (expectedText)->
        text.indexOf(expectedText) > -1

  afterEach ->
    nock.cleanAll()

  it "should exist", ->
    expect(@HTTPService).to.exist

  it "http success", (done)->
    nock("http://someurl")
      .get("/")
      .reply(200, {
        message:"response"
      })

    @HTTPService.setGlobalPlugins([@HTTPTiming])

    # Testing against dupe add
    @HTTPService.setGlobalPlugins([@HTTPTiming])

    logs = []

    class HTTPLogging extends @HTTPPlugin
      start:()->
      end:()->
        logs.push @request.name,@request.url

    class HTTPFakePlugin extends @HTTPPlugin
      start:()->
      end:()->

    @HTTPService.addGlobalPlugin(HTTPFakePlugin)

    @HTTPService
      .get("http://someurl")
      .named("LoginService")
      .tagged({endpoint: "EndpointName", tag2: "Some tag value"})
      .plugin(HTTPLogging)
      .promise().then (res)=>
        expect(res.request.name).to.equal "LoginService"
        expect(res.request.tags).to.deep.equal {endpoint: "EndpointName", tag2: "Some tag value"}
        expect(res.request.duration).to.equal 33
        expect(logs).to.deep.equal [ 'LoginService', 'http://someurl' ]
        expect(@HTTPService.getGlobalPlugins()).to.deep.contain(HTTPFakePlugin)
        expect(@HTTPService.getGlobalPlugins().length).to.equal(2)
        done()

  it "http error",(done)->
    nock("http://someurl")
      .get("/")
      .reply(400, {
        message:"response"
      })
    logs = []

    class HTTPLogging extends @HTTPPlugin
      start:()->
      end:()->
        logs.push @request.name,@request.url, @request.error.data

    @HTTPService
      .get("http://someurl")
      .named("LoginService")
      .plugin(HTTPLogging)
      .promise().catch (e)->
        expect(e.statusCode).to.equal 400
        expect(e.data).to.deep.equal {message:"response"}
        expect(logs).to.deep.equal [
          'LoginService', 'http://someurl', {"message":"response"}
        ]
        done()


  it "unknown http error",(done)->
    nock("http://someurl")
      .get("/")
      .reply(423, {
        message:"response"
      })
    logs = []

    class HTTPLogging extends @HTTPPlugin
      start:()->
      end:()->
        logs.push @request.name,@request.url, @request.error.data

    @HTTPService
      .get("http://someurl")
      .named("LoginService")
      .plugin(HTTPLogging)
      .promise().catch (e)->
        expect(e.statusCode).to.equal 423
        expect(e.data).to.deep.equal {message:"response"}
        expect(e.message).to.equal "HTTP Error: 423 GET http://someurl"
        expect(logs).to.deep.equal [
          'LoginService', 'http://someurl', {"message":"response"}
        ]
        done()

  it "http append file", (done)->
    nock("http://someurl")
      .filteringRequestBody((@requestBody)=>)
      .post("/")
      .reply(200)

    @HTTPService.post("http://someurl/")
      .appendFile("file", new Buffer("hello world"), {
        filename:"hello.json"
        contentType:"application/json"
      }).promise().then ()=>

        valid = @containsText @requestBody, [
          'Content-Disposition: form-data; name="file"; filename="hello.json"'
          'Content-Type: application/json'
          'hello world'
        ]
        expect(valid).to.equal true
        done()

  describe "headers", ->

    beforeEach ->
      nock.enableNetConnect()
      nock.restore()

      @createServer = ()->
        http = require("http")
        http.createServer((request, response) =>
          response.writeHead(200, {'Content-Type': 'text/plain'})
          response.end(JSON.stringify(request.headers))
        ).listen 1234, =>
          console.log('Server running at http://127.0.0.1:1234/')

    beforeEach ->
      nock.enableNetConnect()
      nock.restore()

      @createServer = ()->
        http = require("http")
        http.createServer((request, response) =>
          response.writeHead(200, {'Content-Type': 'text/plain'})
          response.end(JSON.stringify(request.headers))
        ).listen 1234, =>
          console.log('Server running at http://127.0.0.1:1234/')

    it "should pass in the headers when using GET", (done)->
      server = @createServer()
      @HTTPService
        .get("http://localhost:1234/get-me")
        .set("spur-http-header", "spur-http-header-value")
        .promise().then (response)=>
          headers = JSON.parse(response.text)
          console.log("Headers:", headers)

          expect(headers["spur-http-header"]).to.equal("spur-http-header-value")
          expect(response.statusCode).to.equal 200

          server.close(done)

    it "should pass in the headers when using POST", (done)->
      server = @createServer()
      @HTTPService
        .post("http://localhost:1234/get-me")
        .set("spur-http-header", "spur-http-header-value")
        .promise().then (response)=>
          headers = JSON.parse(response.text)
          console.log("Headers:", headers)

          expect(headers["spur-http-header"]).to.equal("spur-http-header-value")
          expect(response.statusCode).to.equal 200

          server.close(done)