check that the options are correctly parsed from html (#53)

Author: nevinera

.ruby-gemset

@@ -0,0 +1 @@
+grape-swagger-rails

spec/features/swagger_spec.rb

@@ -16,6 +16,13 @@
     before do
       @options = GrapeSwaggerRails.options.dup
     end
+
+    it 'evaluates config options correctly' do
+      visit '/swagger'
+      page_options_json = page.evaluate_script("$('html').data('swagger-options')").to_json
+      expect(page_options_json).to eq(@options.marshal_dump.to_json)
+    end
+
     context '#headers' do
       before do
         GrapeSwaggerRails.options.headers['X-Test-Header'] = 'Test Value'