require 'test/unit/assertions' World(Test::Unit::Assertions) Given(/^(\w+) = (\w+)$/) do |var, value| instance_variable_set("@#{var}", value) end Then(/^I can assert that (\w+) == (\w+)$/) do |var_a, var_b| a = instance_variable_get("@#{var_a}") b = instance_variable_get("@#{var_b}") assert_equal(a, b) end