feature spec for user interacts with the queue

user_interact_with_queue_spec.rb

require 'spec_helper'

feature "User interact with the queue" do
  scenario "User adds and reorders videos in the queue" do
    comedies = Fabricate(:category)
    monk = Fabricate(:video, title: "Monk", categories: [comedies])
    south_park = Fabricate(:video, title: "South Park", categories: [comedies])
    futurama = Fabricate(:video, title: "Futurama", categories: [comedies])

    sign_in

    add_video_to_queue(monk)
    expect_video_to_be_in_queue(monk)

    visit video_path(monk)
    expect_link_not_to_be_seen("+ My Queue")

    add_video_to_queue(south_park)
    add_video_to_queue(futurama)

    set_video_position(monk, 3)
    set_video_position(south_park, 1)
    set_video_position(futurama, 2)
    update_queue

    expect_video_position(south_park, 1)
    expect_video_position(futurama, 2)
    expect_video_position(monk, 3)
  end


  def add_video_to_queue(video)
    visit home_path
    find("a[href='/videos/#{video.id}']").click
    click_link "+ My Queue"
  end

  def expect_video_to_be_in_queue(video)
    expect(page).to have_content video.title
  end

  def expect_link_not_to_be_seen(link_text)
    expect(page).not_to have_content link_text
  end

  def set_video_position(video, position)
    within(:xpath, "//tr[contains(., '#{video.title}')]") do
      fill_in "queue_videos[][position]", with: position
    end
  end

  def expect_video_position(video, position)
    expect(find(:xpath, "//tr[contains(., '#{video.title}')]//input[@type='text']").value).to eq(position.to_s)
  end

  def update_queue
    click_button "Update Instant Queue"
  end
end