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# frozen_string_literal: true
require 'spec_helper'
describe Grape::API::Helpers do
let(:app) do
Class.new(Grape::API) do
helpers Module.new do
extend Grape::API::Helpers
params :drink do
optional :beer
optional :wine
exactly_one_of :beer, :wine
end
end
format :json
params do
requires :orderType, type: String, values: %w[food drink]
given orderType: ->(val) { val == 'food' } do
optional :pasta
optional :pizza
exactly_one_of :pasta, :pizza
end
given orderType: ->(val) { val == 'drink' } do
use :drink
end
end
get do
declared(params, include_missing: true)
end
end
end
it 'defines parameters' do
get '/', orderType: 'food', pizza: 'mista'
expect(last_response.status).to eq 200
expect(last_response.body).to eq({ orderType: 'food',
pasta: nil, pizza: 'mista',
beer: nil, wine: nil }.to_json)
end
end
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