TestProf vs. Wisper

patch.rb

# frozen_string_literal: true

# Patch Wisper to disable broadcasting by default
# (to speed up tests).

# Profile Wisper publishing via EventProf
TestProf::EventProf.monitor(Wisper::Publisher, "wisper.publisher.broadcast", :broadcast)

module Wisper
  module Testing
    module PublisherExt
      def broadcast(...)
        return if Wisper::Testing.fake?
        super
      end
    end

    class << self
      def fake? = @mode == :fake
      def inline? = @mode == :inline

      def fake!
        unless block_given?
          @mode = :fake
          return
        end
        was_mode = @mode
        @mode = :fake
        yield
      ensure
        @mode = was_mode
      end

      def inline!
        unless block_given?
          @mode = :inline
          return
        end
        was_mode = @mode
        @mode = :inline
        yield
      ensure
        @mode = was_mode
      end
    end
  end
end

# Use inline! by default, switch to fake! when
# all specs are refactored.
Wisper::Testing.inline!

Wisper::Publisher.prepend(Wisper::Testing::PublisherExt)

RSpec.configure do |config|
  # TEMP: Switch to fake! for test types that have been refactored
  refactored_types = %i[model controller service].freeze

  config.around do |ex|
    next ex.run unless refactored_types.include?(ex.metadata[:type])
    Wisper::Testing.fake! { ex.run }
  end

  # Use tag `wisper: true` (or `:wisper`) to enable Wisper publishing
  config.around(:each, wisper: true) do |ex|
    Wisper::Testing.inline! { ex.run }
  end
end