Contents

require 'test_helper'

module Vedeu

  describe Events do

    describe '#add' do
      it 'adds the event' do
        Events.add(:sulphur) { proc { |x| x } }
        Events.registered.must_include(:sulphur)
      end
    end

    describe '#remove' do
      it 'removes the event by name' do
        Events.add(:chlorine) { proc { |x| x } }
        Events.add(:argon)    { proc { |y| y } }
        Events.remove(:chlorine)

        Events.registered.wont_include(:chlorine)
      end

      it 'removes the event by name only if the name exists' do
        Events.add(:chlorine) { proc { |x| x } }
        Events.add(:argon)    { proc { |y| y } }

        Events.remove(:potassium).must_equal(false)
      end

      context 'alias method: #unevent' do
        it 'removes the event by name' do
          Events.add(:chlorine) { proc { |x| x } }
          Events.add(:argon)    { proc { |y| y } }
          Events.unevent(:chlorine)

          Events.registered.wont_include(:chlorine)
        end
      end
    end

    describe '#trigger' do
      it 'returns the result of triggering the event' do
        NastyException = Class.new(StandardError)

        Events.add(:_nasty_exception_) { fail NastyException }

        proc { Events.use(:_nasty_exception_) }.must_raise(NastyException)
      end

      it 'returns an empty collection when the event has not been registered' do
        Events.use(:_not_found_).must_be_empty
      end
    end

  end # Events

end # Vedeu

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
vedeu-0.2.12	test/lib/vedeu/repositories/events_test.rb
vedeu-0.2.11	test/lib/vedeu/repositories/events_test.rb
vedeu-0.2.10	test/lib/vedeu/repositories/events_test.rb
vedeu-0.2.9	test/lib/vedeu/repositories/events_test.rb
vedeu-0.2.8	test/lib/vedeu/repositories/events_test.rb