TDD practice - www.jamesyoun.com

test_integration_routes_test.rb

require 'test_helper'

class RoutesTest < ActionDispatch::IntegrationTest
  test 'should create new post' do
    assert_routing({ path: 'posts', method: :post }, { controller: 'posts',
                                                       action: 'create' })
  end 

  test 'should get post' do
    assert_routing '/posts/1', { controller: 'posts', action: 'show', id: '1' }
  end 
end

test_models_post_test.rb

# == Schema Information
#
# Table name: posts
#   
#  id         :integer          not null, primary key
#  title      :string
#  text       :text
#  created_at :datetime         not null
#  updated_at :datetime         not null
#  user_id    :integer
# 
    
require 'test_helper'
  
class PostTest < ActiveSupport::TestCase
  def setup
    @post = posts(:valid_post)
  end

  test 'should be valid' do
    assert @post.valid?
  end

  test 'title should be present' do
    @post.title = ""
    assert_not @post.valid?
  end

  test 'text should be present' do
    @post.text = ""
    assert_not @post.valid?
  end

  test 'most recent should be first' do
    assert_equal posts(:most_recent), Post.first
  end
end

test_policies_post_policy_test.rb

require 'test_helper'

class PostPolicyTest < PolicyTest
  def setup
    @regular = users(:steve)
    @admin = users(:james)
  end
  # check test_helper.rb for Pundit test methods

  test 'should create post if admin' do
    assert permit(@admin, Post.new, :new)
  end

  test 'should not create post if regular user' do
    assert_not permit(@regular, Post.new, :new)
  end
end

tests_integration_posts_test.rb

require 'test_helper'                                                                                                                                                                                                                                                          
require 'database_cleaner'                                                                                                                                                                                                                                                     
                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                               
class PostsTest < ActionDispatch::IntegrationTest                                                                                                                                                                                                                              
                                                                                                                                                                                                                                                                               
  # for setup and tear down each time we run tests                                                                                                                                                                                                                             
  self.use_transactional_fixtures = false                                                                                                                                                                                                                                      
                                                                                                                                                                                                                                                                               
  setup do                                                                                                                                                                                                                                                                     
    # comment in if you want to run tests with selenium                                                                                                                                                                                                                        
    # Capybara.default_driver = :selenium                                                                                                                                                                                                                                      
  end                                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                               
  def setup                                                                                                                                                                                                                                                                    
    @post = posts(:valid_post)                                                                                                                                                                                                                                                 
    @admin = users(:james)                                                                                                                                                                                                                                                     
    @regular = users(:steve)                                                                                                                                                                                                                                                   
  end                                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                               
  test 'display comments' do                                                                                                                                                                                                                                                   
    assert @post.comments.first.body == 'hello'                                                                                                                                                                                                                                
  end                                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                               
  test 'visit contact page' do                                                                                                                                                                                                                                                 
    visit '/contact'                                                                                                                                                                                                                                                           
    assert page.has_text?('jamesyoun710')                                                                                                                                                                                                                                      
  end                                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                               
  test 'login successfully' do                                                                                                                                                                                                                                                 
    visit new_user_session_path                                                                                                                                                                                                                                                
    assert page.has_field?('Email', type: 'email')                                                                                                                                                                                                                             
    assert page.has_content?('Forgot your password?')                                                                                                                                                                                                                          
    fill_in('Email', with: '[email protected]')                                                                                                                                                                                                                                  
    fill_in('Password', with: 'password1234')                                                                                                                                                                                                                                  
    find_button('Log in')                                                                                                                                                                                                                                                      
    click_on 'Log in'                                                                                                                                                                                                                                                          
    assert page.has_content?('Logout'), 'not logged in'                                                                                                                                                                                                                        
  end                                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                               
  test 'create post as admin' do                                                                                                                                                                                                                                               
    login_as(@admin)                                                                                                                                                                                                                                                           
    visit root_path                                                                                                                                                                                                                                                            
    assert page.has_link?('Logout')                                                                                                                                                                                                                                            
    assert page.has_link?('New Post')                                                                                                                                                                                                                                          
    click_on('New Post')                                                                                                                                                                                                                                                       
    assert page.has_field?('Title', type: 'text')                                                                                                                                                                                                                              
    fill_in('Title', with: 'Test Post')                                                                                                                                                                                                                                        
    fill_in('Text', with: 'Just another post')                                                                                                                                                                                                                                 
    click_on('Create Post')                                                                                                                                                                                                                                                    
    assert page.has_content?('Just another post')                                                                                                                                                                                                                              
  end                                                                                                                                                                                                                                                                          
end