require 'rails_helper' require_dependency 'method_profiler' describe MethodProfiler do class Sneetch def beach end end it "can transfer data between threads" do MethodProfiler.patch(Sneetch, [:beach], :at_beach) MethodProfiler.start Sneetch.new.beach data = MethodProfiler.transfer result = nil Thread.new do MethodProfiler.start(data) Sneetch.new.beach result = MethodProfiler.stop end.join expect(result[:at_beach][:calls]).to eq(2) end end