On Oct 1, 2010, at 6:11 AM, Zhi-Qiang Lei wrote:
> Dear All,
>
> I meet a strange issue when I test my Rack Middleware. Could anyone help me
> to point the error out? Thanks.
>
> This is the code.
>
> class EIOUAuthorization
> def initialize(app)
> @app = app
> end
> def call(env)
> request = Rack::Request.new(env)
> path_strings = request.path_info.split('/', 4)
> if path_strings[1] == 'people'
> user = User.get(path_strings[2])
> return not_found if user.nil?
> digest_authentication(user).call(env)
> else
> @app.call(env)
> end
> end
> #private
> def not_found
> [404, {'Content-Type' => 'text/plain', 'Content-Length' => '0'}, []]
> end
> def digest_authentication(user)
> auth = Rack::Auth::Digest::MD5.new(@app, user.realm) do |email|
> {user.person.email => user.ha1}[email]
> end
> auth.passwords_hashed = true
> auth.opaque = 'opaque-for-' + user.realm
> auth
> end
> end
>
> And this is my test case.
>
> describe '#call' do
> it 'should call digest_authentication method with id when get
> /people/{person-id}' do
> app.should_receive(:digest_authentication).with(@user).once
> get "/people/#[email protected]}"
> end
> end
>
> describe '#digest_authentication' do
> it 'should respond to call' do
> app.digest_authentication(@user).should respond_to(:call)
> end
> end
>
>> From the result we can see the #digest_authentication is called, and the
>> result should respond to call. But the fact is that it return a nil object
>> in the code.
>
> F.
>
> 1)
> NoMethodError in 'EIOUAuthorization#call should call digest_authentication
> method with id when get /people/{person-id}'
> undefined method `call' for nil:NilClass
> ./spec/../main.rb:21:in `call'
> /Library/Ruby/Gems/1.8/gems/rack-test-0.5.4/lib/rack/mock_session.rb:30:in
> `request'
> /Library/Ruby/Gems/1.8/gems/rack-test-0.5.4/lib/rack/test.rb:207:in
> `process_request'
> /Library/Ruby/Gems/1.8/gems/rack-test-0.5.4/lib/rack/test.rb:57:in `get'
> ./spec/eiou_authorization.rb:34:
>
> Finished in 0.024267 seconds
>
> 2 examples, 1 failure
How are you initializing the app object?
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