require 'spec_helper'
require 'json'
require 'sinatra'
require 'snowball/sinatra'

require 'fixtures/snowball_app'

describe "SnowballApp" do
  include Rack::Test::Methods

  def app
    SnowballApp
  end

  describe "endpoints" do
    it "serves js-files with the correct status code and content-type" do
      get "/js/dummy.js"
      last_response.status.should eq 200
      last_response.content_type.should match /application\/javascript(;.+)?/
    end

    it "locates a js-file in the load path" do
      get "/js/dummy.js"
      last_response.body.should match Regexp.escape('alert("Hello world")')
    end

    it "resolves a coffee-script entry file and serves it compiled" do
      get "/js/some.js"
      last_response.status.should eq 200
      compiled = Regexp.escape("var func;\n\n  func = function(arg) {\n    return alert(\"Arg is \" + arg);\n  };\n\n}")
      last_response.body.should match compiled
    end

    it "serves the coffee-script file raw if requested with .coffee as extension" do
      get "/js/require.coffee"
      last_response.status.should eq 200
      last_response.body.should match Regexp.escape("test = ->")
    end

    it "includes transitive dependencies" do
      get "/js/require.js"
      last_response.status.should eq 200
      last_response.body.should match Regexp.escape('console.log("Chunky bacon")')
    end

    it "returns 404 for files not found" do
      get "/js/thisdoesntexists.js"
      last_response.status.should eq 404
    end

    it "forwards errors to the browser by throwing them in the bundle" do
      get "/js/will-fail.js"
      last_response.status.should eq 200

      last_response.body.should match /throw new Error\(\"Cannot find module\: \\"this\-module\-doesnt\-exist\\" from directory (.*) while processing file (.*)will\-fail\.js/
    end

    it "also forwards parse/syntax errors" do
      get "/js/syntax-error.js"
      last_response.status.should eq 200
      last_response.body.should match /throw new Error\(\"In (.*)syntax\-error\.coffee\, Parse error on line 1\: Unexpected \'\.\.\.\'\"/
    end

    it "forwards parse/syntax errors even if the error occurs in a require()'d file" do
      get "/js/require-error.js"
      last_response.status.should eq 200
      last_response.body.should match /throw new Error\(\"In (.*)syntax\-error\.coffee\, Parse error on line 1\: Unexpected \'\.\.\.\'\"/
    end

    it "can specify a glob string of files that should be served raw" do
      get "/js/food/steak.js"
      last_response.status.should eq 200
      last_response.body.should match 'var steak = "raw"'
    end
  end

  describe "sinatra helpers" do
    it "inserts a <script tag into the template" do
      get "/javascript_tag"
      last_response.body.should include '<script src="/js/some.js"></script>'
    end
    it "inserts a <script tag into the template" do
      get "/javascript_tag_async"
      last_response.body.should include '<script src="/js/pastry/tart.js" async></script>'
    end
    it "inserts a <script tag into the template" do
      get "/javascript_path"
      last_response.body.should include "<script src='/js/food/steak.js'></script>"
    end
  end
end