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Fix JSON caching regression

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Disable jQuery's AJAX caching to prevent the browser's
back button from dumping the stream in JSON format.

Includes a test for the jquery_include_tag helper to
ensure that the necessary line of javascript doesn't
go missing again.

closes #3094
This commit is contained in:
Steven Hancock 2012-04-02 21:13:16 -07:00
parent 4ba3ec0b42
commit a8843c1036
2 changed files with 5 additions and 0 deletions
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1
app/helpers/application_helper.rb
View file

@ -48,6 +48,7 @@ module ApplicationHelper
buf << [ javascript_include_tag('jquery') ] buf << [ javascript_include_tag('jquery') ]
end end
buf << [ javascript_include_tag('jquery_ujs') ] buf << [ javascript_include_tag('jquery_ujs') ]
buf << [ javascript_tag("jQuery.ajaxSetup({'cache': false});") ]
buf.join("\n").html_safe buf.join("\n").html_safe
end end
end end

4
spec/helpers/application_helper_spec.rb
View file

@ -78,5 +78,9 @@ describe ApplicationHelper do
it 'inclues jquery_ujs.js' do it 'inclues jquery_ujs.js' do
jquery_include_tag.should match(/jquery_ujs\.js/) jquery_include_tag.should match(/jquery_ujs\.js/)
end end
it "disables ajax caching" do
jquery_include_tag.should match(/jQuery\.ajaxSetup/)
end
end end
end end