[rspec-users] [Cucumber] Successive requests with xml Content-Type fail?

David Chelimsky dchelimsky at gmail.com
Mon Jun 22 04:22:32 EDT 2009

On Mon, Jun 22, 2009 at 1:53 AM, Wolfram Arnold<lists at ruby-forum.com> wrote:
> I'm writing a cucumber test for an xml webservice.  When making POST's
> the Content-Type in the header is set to "application/xml" and for any
> request, the Accept header is set to "application/xml" (aka
> Mime::XML.to_s)
> I'm running into the following issue:
> When I make two successive requests, the first one being a POST to log
> the user in; the second one a GET to retrieve some data, the second
> request always seems to fail with this error:
>      private method `split' called for #<Mime::Type:0x7f60a708ff70>
> (NoMethodError)
>      /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/mime_type.rb:206:in
> `method_missing'
>      /usr/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/request.rb:51:in
> `media_type'
>      /usr/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/request.rb:117:in
> `parseable_data?'
>      /usr/lib/ruby/gems/1.8/gems/rack-1.0.0/lib/rack/request.rb:138:in
> `POST'
>      /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/request.rb:428:in
> `request_parameters'
>      /usr/lib/ruby/gems/1.8/gems/actionpack-2.3.2/lib/action_controller/request.rb:381:in
> `parameters'
> This started happening only in Rails 2.3.  It previously worked fine
> with Rails 2.0
> Now, I dug into this some more; the Session class in webrat core seems
> to get instantiated once for the entire scenario and the instance sticks
> around for all of the requests.  I noticed by checking with the
> debugger, that the header object gets transformed into a Rack header
> object and acquires things like the referrer field from the first
> request.  On the second request (the GET), the Content-Type is set but
> it probably shouldn't--as there is no payload data, it's a GET--and that
> causes havoc.  I'm kind of lost as to whether this is a bug in Rack or
> Rails or Webrat or whether I'm doing something wrong.
> Any advice is appreciated.

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