[rspec-users] Problem with rendering JSON

Matt Wynne matt at mattwynne.net
Fri Feb 11 17:45:20 EST 2011


On 11 Feb 2011, at 16:04, Ants Pants wrote:

> You are my last resort for solving this issue as I have tried and tried to solve it myself but can't.
> 
> I'm not even sure if it's an RSpec issue but the thing is, if I run the request from the browser, it works. Sadly, my test fails. So either there's something about Rails I don't know about (but should) or I'm doing something wrong in RSpec.
> 
> Here is my test ....
> 
> let(:charity) { mock_model(Charity).as_null_object }
> ...
> context "params[:term] has data" do
>   it "calls Charity::fulltext_search" do
>     Charity.should_receive(:fulltext_search).with(String).and_return([charity])

Why are you using the class String here, instead of an actual sample term?

>     xhr :get, :autocomplete_index, :term => String, :format => :json

ditto.

>   end
> end
> 
> And this is my controller ....
> 
> def autocomplete_index
>   @charities = (params[:term].blank?) ? [] : Charity.fulltext_search(params[:term])
>   render :json => @charities   ##.to_json(:only => [:name, :official_website])
> end
> 
> As I said, this works from the browser but I get into a 'stack level too deep' with RSpec.
> 
> I looked in to gems/actionpack-2.3.8/lib/action_view/paths.rb and it's responsible for finding the template.
> 
> It raises MissingTemplate.new(self, original_template_path, format) and I printed the original_template_path (charities/) and the format (json)
> 
> If anyone can me in the right direction, I would be v grateful. Thank you.
> 
> -ants
> 
> This is a snippet of the output (the bit between [[ ]] is repeated until the program quits with the 'stack level too deep' message. 
> 
> [[
> gems/activesupport-2.3.8/lib/active_support/json/encoders/hash.rb:37:in `each'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/hash.rb:37:in `map'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/hash.rb:37:in `to_json'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:79:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `__send__'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/object.rb:4:in `to_json'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:79:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `__send__'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/hash.rb:38:in `to_json'
> gems/actionpack-2.3.8/lib/action_view/paths.rb:74:in `map'
> ]]
> gems/activesupport-2.3.8/lib/active_support/json/encoders/hash.rb:37:in `each'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/hash.rb:37:in `map'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/hash.rb:37:in `to_json'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:79:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `__send__'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/object.rb:4:in `to_json'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:79:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `__send__'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/enumerable.rb:11:in `to_json'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/enumerable.rb:11:in `map'
> gems/activesupport-2.3.8/lib/active_support/json/encoders/enumerable.rb:11:in `to_json'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:79:in `encode'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `__send__'
> gems/activesupport-2.3.8/lib/active_support/json/encoding.rb:18:in `encode'
> gems/actionpack-2.3.8/lib/action_controller/base.rb:954:in `render_without_benchmark'
> gems/actionpack-2.3.8/lib/action_controller/benchmarking.rb:51:in `render'
> gems/activesupport-2.3.8/lib/active_support/core_ext/benchmark.rb:17:in `ms'
> gems/activesupport-2.3.8/lib/active_support/core_ext/benchmark.rb:17:in `ms'
> gems/actionpack-2.3.8/lib/action_controller/benchmarking.rb:51:in `render'
> /home/anthony/Development/websites/ruby/project/trunk/app/controllers/charities_controller.rb:23:in `autocomplete_index'
> gems/actionpack-2.3.8/lib/action_controller/base.rb:1331:in `send'
> gems/actionpack-2.3.8/lib/action_controller/base.rb:1331:in `perform_action_without_filters'
> gems/actionpack-2.3.8/lib/action_controller/filters.rb:617:in `call_filters'
> gems/actionpack-2.3.8/lib/action_controller/filters.rb:610:in `perform_action_without_benchmark'
> gems/actionpack-2.3.8/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
> gems/activesupport-2.3.8/lib/active_support/core_ext/benchmark.rb:17:in `ms'
> gems/activesupport-2.3.8/lib/active_support/core_ext/benchmark.rb:17:in `ms'
> gems/actionpack-2.3.8/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
> gems/actionpack-2.3.8/lib/action_controller/rescue.rb:160:in `perform_action_without_flash'
> gems/actionpack-2.3.8/lib/action_controller/flash.rb:151:in `perform_action'
> gems/actionpack-2.3.8/lib/action_controller/base.rb:532:in `send'
> gems/actionpack-2.3.8/lib/action_controller/base.rb:532:in `process_without_filters'
> gems/actionpack-2.3.8/lib/action_controller/filters.rb:606:in `process'
> gems/actionpack-2.3.8/lib/action_controller/test_process.rb:567:in `process_with_test'
> gems/actionpack-2.3.8/lib/action_controller/test_process.rb:447:in `process'
> gems/actionpack-2.3.8/lib/action_controller/test_process.rb:398:in `get'
> gems/actionpack-2.3.8/lib/action_controller/test_process.rb:453:in `__send__'
> gems/actionpack-2.3.8/lib/action_controller/test_process.rb:453:in `xhr'
> 
> 
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cheers,
Matt

matt at mattwynne.net
07974 430184

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