[rspec-users] send_file testing

[Nick Hoffman]

On 24/02/2009, at 8:03 AM, vo.x wrote:
> On 23 Ún, 18:41, Nick Hoffman <n... at deadorange.com> wrote:
>> On 22/02/2009, at 3:34 PM, vo.x wrote:
>>
>>> Hello all,
>>
>>> Is there some best practice how to test Rails controller action  
>>> which
>>> is using send_file method? Could you help me please?
>>
>>> Vit
>>
>> On 23/02/2009, at 2:43 AM, vo.x wrote:
>>
>>> Just to be clear, this is how the action looks:
>>
>>>  def download
>>>    log = ActivityLog.find(params[:id])
>>>    if log
>>>      send_file log.path
>>>    else
>>>      flash[:notice] = _("Log file \"#{params[:id]}\" was not  
>>> found.")
>>>      redirect_to :action => 'index'
>>>    end
>>>  end
>>
>>> Vit
>>
>> Hi Vit. Just stub #send_file as normal. For example:
>>
>> before :each do
>>    controller.stub!(:send_file).and_return ...
>> end
>>
>> it "should send the requested file" do
>>    controller.should_receive(:send_file).with(...).and_return ...
>>    do_get
>> end
>>
>> Cheers,
>> Nick
>> _______________________________________________
>> rspec-users mailing list
>> rspec-us... at rubyforge.orghttp://rubyforge.org/mailman/listinfo/rspec-users
>
> Hello Nick,
>
> Thank you for your feedback, but your solution has one problem which
> actually led me to this question. If I will stub the send_file method
> as you recommend, then later on is automatically called render method
> and I will get following error:
>
> ActionView::MissingTemplate in 'LogsController handling GET /logs/
> test.log/download should find the log requested'
> Missing template logs/download.erb in view path app/views
>
> So there has to be set somewhere some flag, or provided some
> meaningful response ... Im out of ideas :/
>
>
> Vit

G'day Vit. ActionController is trying to render a view template for  
your "download" controller action because ActionController does that  
automatically. If you don't want anything to be rendered, you need to  
tell ActionController that.
-Nick