On Oct 1, 2010, at 8:48 PM, David Chelimsky wrote:
> 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/#...@person.id}"
>> 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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As follow.
$:.unshift File.join(File.dirname(__FILE__), '..')
require 'main'
require 'rack/test'
describe EIOUAuthorization do
include Rack::Test::Methods
before :all do
@person = Person.create(:email => 'zhiqiang....@gmail.com')
@user = User.new
@user.name = 'levin'
@user.person = @person
@user.password = 'password'
@user.save
end
def unprotected_app
lambda do |env|
[200, {'Content-Type' => 'text/plain'}, ['Hello World!']]
end
end
def protected_app
@protected_app ||= EIOUAuthorization.new(unprotected_app)
end
alias :app :protected_app
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/#...@person.id}"
end
end
describe '#digest_authentication' do
it 'should respond to call' do
app.digest_authentication(@user).should respond_to(:call)
end
end
after :all do
Person.all.destroy
User.all.destroy
end
end
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