require 'spec_helper'
require 'fileutils'

describe 'backbone-generator' do
  def clean!
    FileUtils.rm_rf 'public'
    FileUtils.rm_rf 'spec/javascripts'
    FileUtils.rm_rf 'app'
  end

  before { clean! }
  after { clean! }

  def should_generate_model
    File.file?(model = 'public/javascripts/models/section/model.js').should be_true
    File.file?(spec = 'spec/javascripts/models/section/model_spec.js').should be_true

    File.read(model).should match(/SectionModel/)
    File.read(spec).should match(/SectionModel/)
  end

  def should_generate_view
    File.file?(view = 'public/javascripts/views/section/model_view.js').should be_true
    File.file?(spec = 'spec/javascripts/views/section/model_view_spec.js').should be_true
    File.file?(template = 'app/views/section/models/view.jst').should be_true

    File.read(view).should match(/SectionModel/)
    File.read(view).should match(/return this/)
    File.read(view).should match(%r{template: JST\['section/models/view'\]})
    File.read(spec).should match(/SectionModel/)
  end

  def should_generate_collection
    File.file?(collection = 'public/javascripts/collections/section/models.js').should be_true
    File.file?(spec = 'spec/javascripts/collections/section/models_spec.js').should be_true

    File.read(collection).should match(/SectionModels/)
    File.read(collection).should_not match(/SectionModelss/)
    File.read(collection).should match(%r{section/model})
    File.read(spec).should match(/SectionModels/)
    File.read(spec).should_not match(/SectionModelss/)
  end

  def should_generate_collection_view
    File.file?(view = 'public/javascripts/views/section/models_view.js').should be_true
    File.file?(spec = 'spec/javascripts/views/section/models_view_spec.js').should be_true
    File.file?(template = 'app/views/section/models/list.jst').should be_true

    File.read(view).should match(/SectionModelsView/)
    File.read(view).should_not match(/SectionModelssView/)
    File.read(view).should match(/SectionModelView/)
    File.read(view).should match(/return this/)
    File.read(view).should match(%r{template: JST\['section/models/list'\]})
    File.read(spec).should match(/SectionModelsView/)
    File.read(spec).should_not match(/SectionModelssView/)
  end

  describe 'model' do
    it "should generate the model files" do
      system %{bin/backbone-generator model Section::Model}

      should_generate_model
    end
  end

  describe 'view' do
    it "should generate the view files" do
      system %{bin/backbone-generator view Section::Model}

      should_generate_view
    end
  end

  describe 'collection view' do
    context 'without trailing s' do
      it "should generate the collection view files" do
        system %{bin/backbone-generator collection-view Section::Model}

        should_generate_collection_view
      end
    end

    context 'with trailing s' do
      it "should generate the collection view files" do
        system %{bin/backbone-generator collection-view Section::Models}

        should_generate_collection_view
      end
    end
  end

  describe 'collection' do
    context 'without trailing s' do
      it "should generate the collection files" do
        system %{bin/backbone-generator collection Section::Model}

        should_generate_collection
      end
    end

    context 'with trailing s' do
      it "should generate the collection files" do
        system %{bin/backbone-generator collection Section::Models}

        should_generate_collection
      end
    end
  end

  describe 'scaffold' do
    it "should generate everything!" do
      system %{bin/backbone-generator scaffold Section::Model}

      should_generate_model
      should_generate_view
      should_generate_collection
      should_generate_collection_view
    end
  end

  describe 'spec helper' do
    it "should generate a spec helper" do
      system %{bin/backbone-generator spec-helper}

      File.file?(collection = 'spec/javascripts/helpers/backbone_spec_helper.js').should be_true
    end
  end

  describe 'app helper' do
    it "should generate an app helper" do
      system %{bin/backbone-generator app-helper}

      File.file?(collection = 'public/javascripts/applications/backbone_helper.js').should be_true
    end
  end
end