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['paths']['/splines']['post']['parameters'] end it 'converts float types' do expect(subject).to eq [ {"in"=>"formData", "name"=>"a_float", "description"=>nil, "type"=>"number", "required"=>true, "format"=>"float"} ] end end