helpers_v2.rb

module Helpers
  def assert_body
    expect(response.body).to eq message # raw body
  end

  def assert_response_object
    expect(response_object).to have_attributes(resp_attrs) # object
  end

  def assert_response_body
    expect(response_body).to eq(resp_attrs) # collection
  end

  %i(get post put delete).each do |http_verb|
    define_method :"do_#{http_verb}" do
      public_send(http_verb, path, valid_params, valid_headers)
    end

    { text: 'text/plain', json: 'application/json'}.each do |type, mime_type|
      { not_found: 404, unprocessable_entity: 422, ok: 200 }.each do |status, code|
        %i(body response_object parsed_body).each do |resp_assertion|
          define_method :"assert_#{code}_#{type}_#{resp_assertion}" do
            expect(response).to have_http_status(status)
            expect(response.content_type).to eq mime_type
            public_send(:"assert_#{resp_assertion}")
          end

          define_method :"do_#{http_verb}_and_assert_#{code}_#{type}_#{resp_assertion}" do
            public_send(:"do_#{http_verb}")
            public_send(:"assert_#{code}_#{type}_#{resp_assertion}")
          end
        end
      end
    end
  end
end