# encoding: UTF-8
require 'spec_helper'

describe Admin::ListsController do
  before :each do
    @administrator = Administrator.find_by_email('administrator@qwaiter.com') || Administrator.create(email: 'administrator@qwaiter.com', password: 'secret')
    sign_in @administrator
  end

  describe "GET #index" do
    it "populates an array of lists" do
      list = create :list
      get :index
      assigns(:lists).should eq([list])
    end

    it "should render without errors when no objects are present" do
      get :index
      expect{ render_template :index }.not_to raise_error
    end

    it "renders the :index view" do
      get :index
      response.should render_template :index
    end
  end

  describe "GET #show" do
    it "assigns the requested list to @list" do
      list = create :list
      get :show, id: list
      assigns(:list).should eq(list)
    end

    it "renders the #show view" do
      list = create :list
      get :show, id: list
      response.should render_template :show
    end
  end

  describe "GET #new" do
    it "assigns a new list to @list" do
      get :new
      assigns(:list).should be_a List
    end

    it "renders the #show view" do
      get :new
      response.should render_template :new
    end
  end

  describe "POST #create" do
    context "with valid attributes" do
      it "creates a new list" do
        expect{
          post :create, list: attributes_for(:list)
        }.to change(List, :count).by(1)
      end

      it "redirects to the new list" do
        post :create, list: attributes_for(:list)
        response.should redirect_to [:admin, List.last]
      end
    end

    context "with invalid attributes" do
      it "does not save the new list" do
        expect{
          post :create, list: {}
        }.to_not change(List, :count)
      end

      it "re-renders the new method" do
        post :create, list: {}
        response.should render_template :new
      end
    end
  end

  describe 'PUT update' do
    before :each do
      @list = create :list
    end

    context "valid attributes" do
      it "located the requested list" do
        put :update, id: @list, list: attributes_for(:list)
        @list.reload
        assigns(:list).should eq(@list)
      end

      it "changes @list's attributes" do
        put :update, id: @list, list: attributes_for(:list, price: 2.71)
        @list.reload
        @list.price.should eq(2.71)
      end

      it "redirects to the updated list" do
        put :update, id: @list, list: attributes_for(:list)
        response.should redirect_to [:admin, @list]
      end
    end

    context "invalid attributes" do
      it "locates the requested list" do
        put :update, id: @list, list: {table_id: ''}
        assigns(:list).should eq(@list)
      end

      it "re-renders the edit method" do
        put :update, id: @list, list: {table_id: ''}
        response.should render_template :edit
      end
    end
  end

  describe 'DELETE destroy' do
    before :each do
      @list = create :list
    end

    it "deletes the list" do
      expect{
        delete :destroy, id: @list        
      }.to change(List, :count).by(-1)
    end

    it "redirects to lists#index" do
      delete :destroy, id: @list
      response.should redirect_to [:admin, :lists]
    end
  end
end