Minitest setup and exemple

gistfile1.rb

# Environment
ENV["RAILS_ENV"] ||= 'test'

require File.expand_path('../../config/environment', __FILE__)

# Factories
require File.expand_path('../factories', __FILE__)

# Minitest
require 'minitest/autorun'
require 'turn/autorun'
Turn.config.format = :outline

# Sidekiq integration
require 'sidekiq/testing'

# Base class

class Spec < Minitest::Spec
  def t(*args)
    I18n.t(*args)
  end
end

gistfile2.rb

require_relative '../spec_helper'

class UserSpec < Spec
  it 'must create a new user' do
    user = FactoryGirl.create(:user)
    user.first_name.wont_be_empty
    user.last_name.wont_be_empty
    user.email.wont_be_empty
  end

  it 'must require first name' do
    user = FactoryGirl.build(:user, :first_name => nil)
    user.valid?.must_equal false
  end

  it 'must require last name' do
    user = FactoryGirl.build(:user, :last_name => nil)
    user.valid?.must_equal false
  end

  it 'must validate email uniqueness' do
    user = FactoryGirl.create(:user)
    user = FactoryGirl.build(:user, email: user.email)
    user.valid?.must_equal false
  end
end