Contents

shared_context :middleware_test do
  include_context :rack_test

  let(:inner_app) do
    proc { [200, {}, []] }
  end

  subject(:app) do
    described_class.new(inner_app)
  end

  def collect_middleware(rack_app)
    middleware = [rack_app]
    while (rack_app = rack_app.instance_variable_get(:@app))
      middleware << rack_app
    end
    middleware
  end

  def find_middleware(rack_app, clazz)
    return rack_app if rack_app.is_a?(clazz)
    collect_middleware(rack_app).find { |middleware| middleware.is_a?(clazz) }
  end

  RSpec::Matchers.define :be_using do |expected, *_args|
    match do |actual|
      !find_middleware(actual, expected).nil?
    end
  end

  def create_middleware
    Class.new do
      attr_reader :app, :arg
      def initialize(app, arg = nil, &block)
        @app = app
        @arg = arg
        yield if block
      end

      def call(env)
        @app.call env
      end
    end
  end

  let(:middleware) do
    create_middleware
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
sitehub-0.4.3	spec/support/shared_contexts/middleware_context.rb