Organize rspec integration testing

authentication_pages_spec.rb

require 'spec_helper'

describe "Authentication" do
    subject { page }

    describe "Signin" do
        describe "Page" do
            before :each do
                visit signin_path
            end 

            it "should have the title with 'Sign in'" do
                should have_selector('title', :text => 'Sign in')
            end 

            it "should have h1 with 'Sign in'" do
                should have_selector('h1', :text => 'Sign in')
            end 
        end 

        describe "Form" do
            before :each do
                visit signin_path
            end

            describe "@valid" do
                let (:user) { FactoryGirl.create(:user) }

                before :each do
                    fill_in 'Email', :with => user.email
                    fill_in 'Password', :with => user.password

                    click_button 'Sign in'
                end

                it "should have the title with user name" do
                    should have_selector('title', :text => user.name)
                end

                it "should have profile link" do
                    should have_link('Profile', :href => user_path(user))
                end

                it "should have sign out link" do
                    should have_link('Sign out', :href => signout_path)
                end

                it "should not have sign in link" do
                    should_not have_link('Sign in', :href => signin_path)
                end
            end

            describe "@invalid" do
                before :each do
                    click_button 'Sign in'
                end

                it "should have the title with 'Sign in'" do
                    should have_selector('title', :text => 'Sign in')
                end

                it "should have error message with 'Invalid'" do
                    should have_selector('div.alert.alert-error', :text => 'Invalid')
                end

                it "should not have error message after visit other link anymore" do
                    click_link 'Home'

                    should_not have_selector('div.alert.alert-error')
                end
            end
        end
    end
end