require 'spec_helper' describe 'Float Params' do def app Class.new(Grape::API) do format :json params do requires :a_float, type: Float end post :splines do end add_swagger_documentation end end subject do get '/swagger_doc/splines' expect(last_response.status).to eq 200 body = JSON.parse last_response.body body['apis'].first['operations'].first['parameters'] end it 'converts float types' do expect(subject).to eq [ { 'paramType' => 'form', 'name' => 'a_float', 'description' => nil, 'type' => 'float', 'required' => true, 'allowMultiple' => false } ] end end