require 'spec_helper'

module Calagator
  describe GoogleEventExportHelper, type: :helper do
    describe 'google_event_export_link' do
      let(:params) { Rack::Utils.parse_query(@export) }

      def escape(string)
        Regexp.escape(CGI.escape(string))
      end

      shared_context 'exported event setup' do
        before do
          @venue = Venue.create!(title: 'My venue', address: '1930 SW 4th Ave, Portland, Oregon 97201')
          @event = Event.create!(title: 'My event', start_time: '2010-01-01 12:00:00', end_time: '2010-01-01 13:00:00', venue: @venue, description: event_description)
          @export = helper.google_event_export_link(@event)
        end
      end

      shared_examples_for 'exported event' do
        it 'should have title' do
          params['text'].should == @event.title
        end

        it 'should have time range in utc' do
          format = '%Y%m%dT%H%M%SZ'
          params['dates'].should == [
            @event.start_time.utc.strftime(format),
            @event.end_time.utc.strftime(format)
          ].join('/')
        end

        it 'should have venue title and address' do
          params['location'].should == "#{@event.venue.title}, #{@event.venue.geocode_address}"
        end
      end

      describe "an event's text doesn't need truncation" do
        let(:event_description) { 'My event description.' }
        include_context 'exported event setup'

        it_should_behave_like 'exported event'

        it 'should have a complete event description' do
          params['details'].should include event_description
        end
      end

      describe "an event's text needs truncation" do
        let(:event_description) { 'My event description. ' * 100 }
        include_context 'exported event setup'

        it_should_behave_like 'exported event'

        it 'should have a truncated event description' do
          params['details'].should include event_description[0..100]
        end

        it 'should have a truncated URL' do
          expect(@export.size).to be < event_description.size
        end
      end
    end
  end
end