Ruby on Rails using Rspec feature test, get id of object you create while the tests

Question

I am pretty new to Ruby On Rails and am wondering what is the best practice to get an object id (in my case it is a product id) that was created during the test.

I created a product in the feature test by filling in data in fields (not programmatically) and the product has been created successfully. How can I get the product id for other tests?

For example right now I need @product_id to provide to the following test:

expect(page.current_path).to eq(product_path)

I am getting the next Error because I can't provide @product_id:

 Failure/Error: expect(page.current_path).to eq(product_path)
 ActionController::UrlGenerationError:
   No route matches {:action=>"show", :controller=>"products"} missing required keys: [:id]

My Test:

    require 'rails_helper'

RSpec.feature 'Creating Products' do

  before do
    @user_test = User.create(email: 'test@test.com', password: 'password')
    @product_test_name = 'Test product'
    @product_test_price = '20'
  end

  scenario 'User creates a new product' do
    login_as(@seller_test)
    visit '/'
    have_link 'New Product'
    visit new_product_path

    fill_in 'Name', with: @product_test_name
    fill_in 'Price', with: @product_test_price

    click_button 'Create Product'

    expect(page).to have_content('Product has been created')

    expect(page).to have_content(@product_test_name)
    expect(page).to have_content(@product_test_description)
    expect(page).to have_content(@product_test_price)

    expect(page.current_path).to eq(product_path)
  end
  end

Please advice how to do it right.

Answer 1

Assuming that test inserts a product record into your database, perhaps you can do

product = Product.last

and only afterwards make the assertion

expect(page.current_path).to eq(product_path(product)) # or product.id

Or use have_current_path in lieu of eq as Tom Walpole suggests in the comments.