Any Controller test

product_controller_test.rb

require 'test_helper'

class ProductsControllerTest < ActionDispatch::IntegrationTest
  # This methods gets called before each test.
  def setup
    @shop = shops(:regular_shop)
    login_shop(@shop)
  end
  
  test "post should work" do
    post products_path, params: product_data
  end
  
  test "get should work" do
    get products_path
  end
  
  private

  # Be extra careful to not add a parameter "shop" in data hash you send as POST params, because it is verified in shopify omniauth and will redirect to login page if it does not match the shopify domain you try to log in (ShopifyApp::login_protection.rb L71) (ex: do not do "{shop: @shop, ...}")
  def product_data
    {
        product: {
            shopify_product_id: 100,
            secret_link: "https://secret-link.com",
            datetime: DateTime.now,
            enable_mail: true
        }
    }
  end
end