require 'spec_helper' describe Browser::DOM::MutationObserver do html <<-HTML
HTML it 'notifies additions' do promise = Browser::Promise.new obs = Browser::DOM::MutationObserver.new {|mutations| expect(mutations.first.added.first.name).to eq('DIV') promise.resolve obs.disconnect } obs.observe $document[:mutate] $document[:mutate].add_child $document.create_element('div') promise.for_rspec end it 'notifies removals' do promise = Browser::Promise.new obs = Browser::DOM::MutationObserver.new {|mutations| expect(mutations.first.removed.first.name).to eq('SPAN') promise.resolve obs.disconnect } obs.observe $document[:mutate] $document[:mutate].first_element_child.remove promise.for_rspec end end if Browser::DOM::MutationObserver.supported?