invoice_pages_spec.rb

require 'spec_helper'

describe "InvoicePages" do
  let(:user) { FactoryGirl.create(:user) }
	let(:client) { FactoryGirl.create(:client) }
  before(:each) do
      visit new_user_session_path
      fill_in "user_email", with: user.email
      fill_in "user_password", with: user.password
      click_button "Sign in"
  end

  after(:all) do
    # User.delete_all
  end

  subject { page }

  describe "index" do

    before(:all) { 30.times { FactoryGirl.create(:invoice) } }

	  before(:each) do
      visit invoices_path
    end

    it { should have_selector('title', text: 'All Invoices') }
    it { should have_selector('h1', text: 'All Invoices') }
    it { should have_link('New Invoice', href: new_invoice_path) }

    describe "lists invoices" do
    	it "should list each invoice" do
        Invoice.all.each do |invoice|
          page.should have_selector('li>a', text: invoice.created_at.to_s)
        end
      end
    end
	end

  describe "invoice creation" do

    before(:each) do
      visit new_invoice_path
    end

    it { should have_selector('title', text: 'New Invoice') }
    it { should have_selector('h1', text: 'New Invoice') }

    describe "with invalid information" do

      it "should not create a invoice" do
        expect { click_button "Create Invoice" }.not_to change(Invoice, :count)
      end

      describe "error messages" do
        before { click_button "Create Invoice" }
        it { should have_content('Error') }
      end
    end

    describe "with valid information" do
      FactoryGirl.create(:client, name: "Invoice client")
      let(:invoice) { FactoryGirl.create(:invoice) }

      before(:each) do
        visit new_invoice_path
        select "Invoice client", from: "invoice_client_id"
      end

      after(:all) { Client.delete_all }

      it "should create a invoice" do
        expect { click_button "Create Invoice" }.to change(Invoice, :count)
      end

      describe "success messages" do
        before { click_button "Create Invoice" }
        it { should have_content('created') }
      end
    end
  end

end