gistfile1.txt

bundle exec rubocop
Inspecting 77 files
..............................W........C..............................W......

Offenses:

bin/spring:11:13: W: Assignment in condition - you probably meant to use ==.
  if spring = lockfile.specs.find {|spec| spec.name == 'spring' }
            ^
test/test_helper.rb:5:7: C: Use nested module/class definitions instead of compact style.
class ActiveSupport::TestCase
      ^^^^^^^^^^^^^^^^^^^^^^^
app/controllers/sessions_controller.rb:6:13: W: Assignment in condition - you probably meant to use ==.
    if user = User.authenticate(params[:username], params[:password])
            ^

77 files inspected, 3 offenses detected

sessions_controller.rb

class SessionsController < ApplicationController
  def new
  end

  def create
    if user = User.authenticate(params[:username], params[:password])
      session[:user_id] = user.id
      flash[:notice] = t('sessions.success_html')
      redirect_to(session[:intended_url] || root_path)
      session[:intended_url] = nil
    else
      render :new, error: t('sessions.failure')
    end
  end

  def destroy
    reset_session
    redirect_to root_path, notice: t('sessions.signedout')
  end
end

spring.rb

#!/usr/bin/env ruby

# This file loads spring without using Bundler, in order to be fast.
# It gets overwritten when you run the `spring binstub` command.

unless defined?(Spring)
  require 'rubygems'
  require 'bundler'

  lockfile = Bundler::LockfileParser.new(Bundler.default_lockfile.read)
  if spring = lockfile.specs.find {|spec| spec.name == 'spring' }
    Gem.use_paths Gem.dir, Bundler.bundle_path.to_s, *Gem.path
    gem 'spring', spring.version
    require 'spring/binstub'
  end
end

test_helper.rb

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

class ActiveSupport::TestCase
  # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order.
  fixtures :all

  # Add more helper methods to be used by all tests here...
end