Request Spec Example for Devise Token Auth Gem with Rails 5.1

create_spec.rb

# Example Request
# My Devise model is named Merchant
# Key lines to note are 16, 21, 27, 28, 29
require 'rails_helper'

RSpec.describe 'POST /api/v2/customer_groups', type: :request do
	let(:merchant) { FactoryGirl.create(:merchant) }
	let(:user) { FactoryGirl.create(:user) }
	let(:customer) { merchant.customers.create(user_id: user.id)}
	let(:params) {{
		group: {
			name: 'customers from office',
			customer_ids: [customer.id]
		}
	}}
	let(:auth_headers) { merchant.create_new_auth_token }

	before {
		BusinessType.create(name: 'Restaurants, Bars, & Cafes')
		FactoryGirl.create(:pricing_plan)
		sign_in merchant
		post "/api/v2/customer_groups",
		params: params.to_json,
		headers: {
			'CONTENT_TYPE' => 'application/json',
			'ACCEPT' => 'application/json',
			'Uid' => auth_headers['uid'],
      'Access-Token' => auth_headers['access-token'],
      'Client' => auth_headers['client']
		}
	}
	
	it 'creates groups with members' do
		expect(response.status).to eq(200)
	end
end

rails_helper.rb

# spec/rails_helper.rb
# uncomment the following line
Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
# incude the following line under the RSpec.configure block
config.include RequestSpecHelper, type: :request

request_spec_helper.rb

# spec/support/request_spec_helper.rb
module RequestSpecHelper
  include Warden::Test::Helpers

  def self.included(base)
    base.before(:each) { Warden.test_mode! }
    base.after(:each) { Warden.test_reset! }
  end

  def sign_in(resource)
    login_as(resource, scope: warden_scope(resource))
  end

  def sign_out(resource)
    logout(warden_scope(resource))
  end

  private

  def warden_scope(resource)
    resource.class.name.underscore.to_sym
  end

end