RSpec define inline class to test modules
It can be useful to define an inline disposable class in the spec so you can test a module/concern or a middleware cleanly and separately.
let(:plain_worker) do Class.new do include Sidekiq::Worker include SomeAwesomeMagic def perform "..." end end end before do stub_const("PlainWorker", plain_worker) end it "works" do Sidekiq::Testing.inline! do PlainWorker.perform_async # PlainWorker is the one we defined above end end
We define a class with
Class.new and then use RSpec
stub_const to pair the class object to the constant you want.
stub_const will remove the stubbed constant after the life cycle of the spec, so it won't be exposed to the outer scope. ✅
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