itsmeurbi

-- LATERAL was introduced in PostgreSQL 9.3

-- Considering the last submission
SELECT employees.*, 
	   COALESCE(scores.value, -6) value
FROM employees
LEFT JOIN LATERAL (
    SELECT scores.*
    FROM scores
    WHERE scores.employee_id = employees.id

itsmeurbi

Install Redis with Homebrew

brew install redis

Create symbolic link in /LaunchAgents to the default redis .plist file

ln -sfv /usr/local/opt/redis/*.plist ~/Library/LaunchAgents/

itsmeurbi

require 'test_helper'

class CommentsControllerTest < ActionDispatch::IntegrationTest
  test '#create stores a comment for a given post' do
    my_post = Post.create(title: 'My post', content: 'My new blog post')

    post post_comments_path(my_post), params: { comment: { content: 'Nice post!' } }

    assert_redirected_to post_path(my_post)
    assert_equal 'Comment created!', flash[:notice]

itsmeurbi

require 'test_helper'

class CommentTest < ActiveSupport::TestCase
  test 'it is not valid without a post' do
    comment = Comment.new

    refute comment.valid?
    assert_equal ['must exist'], comment.errors.messages[:post]
  end

itsmeurbi

require 'test_helper'

class PostsControllerTest < ActionDispatch::IntegrationTest
  test '#index returns a list of all available posts' do
    get posts_path

    assert_response :success
  end

  test '#new returns a posts form' do

itsmeurbi

require 'test_helper'

class PostTest < ActiveSupport::TestCase
  test 'it is not valid without title' do
    post = Post.new

    refute post.valid?
    assert_equal ["can't be blank"], post.errors.messages[:title]
  end