let(:client) { Rubyidescat::Client.new }
    describe 'poblacio' do
        it 'should set format correctly' do
            client.poblacio('v1','json','dades')
            expect (client.instance_variable_get(:format)).to be_equal('json')
        end
    end


module Rubyidescat
    class Client
        BASE_URL = 'http://api.idescat.cat/'

        def initialize(attributes = {})
            attributes.each do |attr, value|
                self.send("#{attr}=", value)
            end
        end

        def poblacio version, format, operation, *args
            @format = format
        end

    end
end