Desenvolvimento web com Ruby on Rails (parte 2)

Desenvolvimento Web com Ruby on

Rails

João Lucas Pereira de Santanagtalk | linkedin | twitter: jlucasps

Layouts e Partials

@jlucasps

<!DOCTYPE html><html><head> <title>FirstApp</title> <%= stylesheet_link_tag "application", :media => "all" %> <%= javascript_include_tag "application" %> <%= csrf_meta_tags %></head><body> <%= yield %> </body></html>

Layouts e Partials

Alterar application.js

@jlucasps

//= require jquery//= require jquery_ujs//= require_tree .

//= require jquery//= require jquery_ujs//= require bootstrap.js

Layouts e Partials

Alterar application.css

@jlucasps

*= require_self*= require_tree .

*= require bootstrap.css*= require bootstrap-responsive.css*= require custom.css

Layouts e Partials

$ git add .$ git commit -m "Especificando arquivos no application.js e application.css"

@jlucasps

Layouts e Partials

Criar novo arquivo de layout/app/views/layouts/application_black.html.erb

Adicionar atributo style à tag body<body style='background-color:black;'>

Criar nova action 'black' no controller Welcome

@jlucasps

def black render :layout => 'application_black'end

Layouts e Partials

Criar rota para action 'black'match 'black' => 'welcome#black', :via => :get,

:as => :blackCriar template para a nova action:

/app/views/welcome/index.html.erbAcessar URL http://localhost:3000/black

@jlucasps

Layouts e Partials

$ git add .$ git commit -m "Utilizando mais de 1 layout"

Tente definir um layout para várias actionsDica: layout 'application_black', :only => :black

@jlucasps

Layouts e PartialsUtilizando o content_forAtualizem o layout application.html.erb

@jlucasps

<!DOCTYPE html><html><head> <title>FirstApp</title> <%= stylesheet_link_tag "application", :media => "all" %> <%= javascript_include_tag "application" %> <%= csrf_meta_tags %></head><body> <div class='row-fluid'> <div class='span3'> <%= yield :sidebar %> </div> <div class='span9'> <%= yield %> </div> </div> </body></html>

Layouts e Partials

Atualizem o template welcome/index.html.erb

@jlucasps

<h1>Conteúdo central</h1> <%= content_for :sidebar do %> <h4>sidebar</h4><% end %>

Layouts e Partials

@jlucasps

$ git add .$ git commit -m "Configurando a sidebar"

Layouts e Partials

@jlucasps

Configurar layout para que fique como no exemplo abaixo utilizando partials e content_for

Layouts e Partials

@jlucasps

Criar arquivo /app/assets/stylesheets/custom.css

body { padding-top: 60px; padding-bottom: 40px;}.sidebar-nav { padding: 9px 0;} @media (max-width: 980px) { /* Enable use of floated navbar text */ .navbar-text.pull-right { float: none; padding-left: 5px; padding-right: 5px; }}

Layouts e Partials

@jlucasps

Alterar layout /app/views/layouts/application.html.erb

<!DOCTYPE html><html><head> <title>FirstApp</title> <%= stylesheet_link_tag "application", :media => "all" %> <%= javascript_include_tag "application" %> <%= csrf_meta_tags %></head> <body> <%= render :partial => 'shared/menu_top' %> <div class="container-fluid"> <div class="row-fluid"> <%= yield :sidebar %> <%= yield %> </div> <%= render :partial => 'shared/footer' %> </div> </body></html>

Layouts e Partials

@jlucasps

Criar partial views/shared/_footer.html.erb

<hr> <footer> <p>© Company 2013</p></footer>

Layouts e Partials

@jlucasps

Criar partial views/shared/_menu_top.html.erb<div class="navbar navbar-inverse navbar-fixed-top"> <div class="navbar-inner"> <div class="container-fluid"> <button type="button" class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="brand" href="#">Project name</a> <div class="nav-collapse collapse"> <p class="navbar-text pull-right"> Logged in as <a href="#" class="navbar-link">Username</a> </p> <ul class="nav"> <li class="active"><a href="#">Home</a></li> <li><a href="#about">About</a></li> <li><a href="#contact">Contact</a></li> </ul> </div> </div> </div></div>

Layouts e Partials

@jlucasps

Criar partial views/shared/_sidebar.html.erb

<div class="span3"> <div class="well sidebar-nav"> <ul class="nav nav-list"> <li class="nav-header">Sidebar</li> <li class="active"><a href="#">Link</a></li> <li><a href="#">Link</a></li> <li><a href="#">Link</a></li> <li><a href="#">Link</a></li> </ul> </div></div>

Layouts e Partials

@jlucasps

Alterar template /app/views/welcome/index.html.erb<div class="span9"> <div class="hero-unit"> <h1>Hello, world!</h1> <p>This is a template for a simple marketing or informational website. It includes a large callout called the hero unit and three supporting pieces of content. Use it as a starting point to create something more unique.</p> <p><a href="#" class="btn btn-primary btn-large">Learn more »</a></p> </div> <div class="row-fluid"> <div class="span6"> <h2>Heading</h2> <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p> <p><a class="btn" href="#">View details »</a></p> </div> <div class="span6"> <h2>Heading</h2> <p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p> <p><a class="btn" href="#">View details »</a></p> </div> </div></div> <%= content_for :sidebar do %> <%= render :partial => 'shared/sidebar' %><% end %>

Layouts e Partials

@jlucasps

$ git add .$ git commit -m "Configurando layout com partial e content_for"

Primeiros Testes

Antes.....Configurar arquivo Gemfile com links e

documentações

Adicionar ao Gemfilegroup :test do gem 'capybara' gem rspec-rails'end

Executar $ bundle installRemover diretório /testExecutar $ rails g rspec:install

@jlucasps

Primeiros Testes

@jlucasps

$ rails generate rspec:install create .rspec create spec create spec/spec_helper.rb

Modificar o arquivo spec/spec_helper.rb

Primeiros Testes

@jlucasps

Adicionar as linhas em negrito ao arquivo

require File.expand_path("../../config/environment", __FILE__)require 'rspec/rails'require 'rspec/autorun'require 'capybara/rails'require 'capybara/rspec' # Requires supporting ruby files with custom matchers and macros, etc,# in spec/support/ and its subdirectories.Dir[Rails.root.join("spec/support/**/*.rb")].each { |f| require f }

Primeiros Testes

@jlucasps

Adicionar as linhas em negrito ao bloco config do arquivoRSpec.configure do |config| # ## Mock Framework # If you prefer to use mocha, flexmock or RR, uncomment the appropriate line: # config.mock_with :mocha # config.mock_with :flexmock # config.mock_with :rr config.include Capybara::DSL config.include Rails.application.routes.url_helpers # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures config.fixture_path = "#{::Rails.root}/spec/fixtures"# .......# ......

Primeiros Testes

@jlucasps

$ git add .$ git commit -m "Setup RSpec"

Criar o primeiro Teste/spec/features/welcome/index.html.erb_spec.rb

Primeiros Testes

@jlucasps

require 'spec_helper' describe ".index", :type => :feature do it "access index page" do visit index_path page.should have_content("Hello, world!") end end

/spec/features/welcome/index.html.erb_spec.rb

Primeiros Testes

@jlucasps

jlucasps@lotus:/media/first_app$ rspec.Finished in 0.18264 seconds1 example, 0 failuresRandomized with seed 64721jlucasps@lotus:/media/first_app$

$ git add .$ git commit -m "Primeiro teste com sucesso"

Primeiros Testes

@jlucasps

require 'spec_helper' describe ".about", :type => :feature do it "access about page" do visit about_path page.should have_content("About us") end end

/spec/features/welcome/about.html.erb_spec.rb

Primeiros Testes

@jlucasps

jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$ rspecF.Failures: 1) .about access about page Failure/Error: visit about_path NameError: undefined local variable or method `about_path' for #<RSpec::Core::ExampleGroup::Nested_1:0x00000003991378> # ./spec/features/welcome/about.html.erb_spec.rb:6:in `block (2 levels) in <top (required)>'Finished in 0.18221 seconds2 examples, 1 failureFailed examples:rspec ./spec/features/welcome/about.html.erb_spec.rb:5 # .about access about pageRandomized with seed 10191jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$

Primeiros Testes

Criar uma nova rota para action about

@jlucasps

FirstApp::Application.routes.draw do root :to => 'welcome#index', :as => :index match 'about' => 'welcome#about', :as => :about match 'black' => 'welcome#black', :via => :get, :as => :black end

Primeiros Testes

@jlucasps

jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$ rspecF.Failures: 1) .about access about page Failure/Error: visit about_path AbstractController::ActionNotFound: The action 'about' could not be found for WelcomeController # ./spec/features/welcome/about.html.erb_spec.rb:6:in `block (2 levels) in <top (required)>'Finished in 0.19052 seconds2 examples, 1 failureFailed examples:rspec ./spec/features/welcome/about.html.erb_spec.rb:5 # .about access about pageRandomized with seed 45018jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$

@jlucasps

Primeiros Testes

class WelcomeController < ApplicationController def index end def black render :layout => 'application_black' end def about end end

Primeiros Testes

@jlucasps

jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$ rspec.FFailures: 1) .about access about page Failure/Error: visit about_path ActionView::MissingTemplate: Missing template welcome/about, application/about with {:locale=>[:en], :formats=>[:html], :handlers=>[:erb, :builder, :coffee]}. Searched in: * "/media/truecrypt1/handsonrails/first_app/app/views" # ./spec/features/welcome/about.html.erb_spec.rb:6:in `block (2 levels) in <top (required)>'Finished in 0.21562 seconds2 examples, 1 failureFailed examples:rspec ./spec/features/welcome/about.html.erb_spec.rb:5 # .about access about pageRandomized with seed 15753jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$

Primeiros Testes

Criar arquivo /app/views/welcome/about.html.erb e executar $ rspec

@jlucasps

jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$ rspecF.Failures: 1) .about access about page Failure/Error: page.should have_content("About us") expected to find text "About us" in "Project name Logged in as Username Home About Contact © Company 2013" # ./spec/features/welcome/about.html.erb_spec.rb:7:in `block (2 levels) in <top (required)>'Finished in 0.21174 seconds2 examples, 1 failureFailed examples:rspec ./spec/features/welcome/about.html.erb_spec.rb:5 # .about access about pageRandomized with seed 30415jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$

Primeiros Testes

Criar conteúdo para /app/views/welcome/about.html.erb

@jlucasps

Primeiros Testes

Executar $ rspec

@jlucasps

jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$ rspec.. Finished in 0.19564 seconds2 examples, 0 failures Randomized with seed 30993 jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$

Primeiros Testes

Executar mesmos procedimento para página /app/views/welcome/contact.html.erb

@jlucasps

jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$ rspec...Finished in 0.20856 seconds3 examples, 0 failuresRandomized with seed 28272jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$

$ git add .$ git commit -m "Páginas index, about e contact"

Primeiros TestesAdicionar mais um bloco it .... do

@jlucasps

require 'spec_helper'describe ".index", :type => :feature do it "access index page" do visit index_path page.should have_content("Hello, world!") end it "access public pages" do visit index_path page.should have_content("Hello, world!") click_link "About" page.should have_content("About us") click_link "Contact" page.should have_content("How to find us") click_link "Home" page.should have_content("Hello, world!") endend

Primeiros Testes

@jlucasps

jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$ rspec.F..Failures: 1) .index access public pages Failure/Error: page.should have_content("About us") expected to find text "About us" in "Project name Logged in as Username Home About Contact Sidebar Link Link Link Link Hello, world! This is a template for a simple marketing or informational website. It includes a large callout called the hero unit and three supporting pieces of content. Use it as a starting point to create something more unique. Learn more » Heading Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. View details » Heading Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. View details » © Company 2013" # ./spec/features/welcome/index.html.erb_spec.rb:15:in `block (2 levels) in <top (required)>'Finished in 0.30914 seconds4 examples, 1 failureFailed examples:rspec ./spec/features/welcome/index.html.erb_spec.rb:10 # .index access public pagesRandomized with seed 34047jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$

Primeiros TestesAlterar o partial /app/views/shared/_menu_top.html.erb

@jlucasps

<div class="navbar navbar-inverse navbar-fixed-top"> <div class="navbar-inner"> <div class="container-fluid"> <button type="button" class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <%= link_to "Project name", index_path, :class => "brand" %> <div class="nav-collapse collapse"> <p class="navbar-text pull-right"> Logged in as <a href="#" class="navbar-link">Username</a> </p> <ul class="nav"> <li class="active"><%= link_to "Home", index_path %></li> <li><%= link_to "About", about_path %></li> <li><%= link_to "Contact", contact_path %></li> </ul> </div> </div> </div></div>

Primeiros Testes

@jlucasps

jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$ rspec....Finished in 0.3571 seconds4 examples, 0 failuresRandomized with seed 51426jlucasps@lotus:/media/truecrypt1/handsonrails/first_app$

$ git add .$ git commit -m "Navegação em páginas públicas"$ git push

Desenvolvimento Web com Ruby on

Rails

João Lucas Pereira de Santanagtalk | linkedin | twitter: jlucasps

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Desenvolvimento web com Ruby on Rails (parte 2)

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