1) Failure:
UserFriendshipTest#test_: a new instance should have a pending state.  [test/models/user_friendship_test.rb:24]:
Expected: "pending"
  Actual: nil


  2) Failure:
UserFriendshipTest#test_that_creating_a_friendship_based_on_user_id_and_friend_id_works [test/models/user_friendship_test.rb:15]:
Expected false to be truthy.

5 runs, 4 assertions, 2 failures, 0 errors, 0 skips

class UserFriendship < ActiveRecord::Base
  belongs_to :user
  belongs_to :friend, class_name: 'User', foreign_key: "friend_id"

  state_machine :state, initial: :pending do
  end
end

require 'test_helper'

class UserFriendshipTest < ActiveSupport::TestCase
  should belong_to(:user)
  should belong_to(:friend)

  test "that creating a friendship works without raising an exception" do
    assert_nothing_raised do
      UserFriendship.create user: users(:jason), friend: users(:mike)
    end
  end

  test "that creating a friendship based on user id and friend id works" do
    UserFriendship.create user_id: users(:jason).id, friend_id: users(:mike).id
    assert users(:jason).friends.include?(users(:mike))
  end

  context "a new instance" do
    setup do
      user_friendship = UserFriendship.new user: users(:jason), friend: users(:mike)
    end

    should "have a pending state" do
      assert_equal 'pending', @user_friendship.state
    end
  end
end

class UserFriendshipsController < ApplicationController
  before_filter :authenticate_user!, only: [:new]


  def new
    if params[:friend_id]
      @friend = User.where(profile_name: params[:friend_id]).first
      raise ActiveRecord::RecordNotFound if @friend.nil?
      @user_friendship = current_user.user_friendships.new(friend: @friend)
    else
      flash[:error] ="Friend requiered"
    end
  rescue ActiveRecord::RecordNotFound
    render file: 'public/404', status: :not_found
  end

 def create
   if params[:user_friendship] && params[:user_friendship].has_key?(:friend_id)
     @friend = User.where(profile_name: params[:user_friendship][:friend_id]).first
     @user_friendship = current_user.user_friendships.new(friend: @friend)
     @user_friendship.save
     flash[:success] = "You are now friends with #{@friend.full_name}"
     redirect_to profile_path(@friend)
   else
     flash[:error] = "Friend requiered"
     redirect_to root_path
   end
 end


  private
  def params_user_friendship
    params.require(:friendship).permit(:user, :friend, :user_id, :friend_id)
  end
end