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Jean

2012-Feb-03 16:37 UTC

ruby on rails 3 tutorial book chapter9 Signin Failure

Hi I have problem trying to pass the signin failure test.

This is the test code of the sessions_controller.rb

       def create
     	user = User.authenticate(params[:session][:email],
                                params[:session][:password])
       if user.nil?
         flash.now[:error] = "Invalid email/password combination."
         @title = "Sign in"
         render ''new''
       else
         # Sign the user in and redirect to the user''s show page.
       end
     end

If I check in my browser and clic on submit with all fields empty, I
get the following error:

NoMethodError in SessionsController
#create undefined method `nil'' for nil:NilClass

I check the book many times and I have code exactly as the book, but I
still have the error. Any help???

You can check the code in this link listing 9.8
http://ruby.railstutorial.org/chapters/sign-in-sign-out#sec:signin_failure

What I doing wrong?

Thanks for any help.

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Aline de Oliveira Freitas

2012-Feb-03 16:45 UTC

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Re: ruby on rails 3 tutorial book chapter9 Signin Failure

The problem here is that your user object, isn''t retrieving any objects
on
precisely this line:
user = User.authenticate(params[:session][:email],
                               params[:session][:password])
:) Exactly what you where trying to do when this happened?

2012/2/3 Jean <josorioe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Hi I have problem trying to pass the signin failure test.
>
> This is the test code of the sessions_controller.rb
>
>       def create
>        user = User.authenticate(params[:session][:email],
>                                params[:session][:password])
>       if user.nil?
>         flash.now[:error] = "Invalid email/password combination."
>         @title = "Sign in"
>         render ''new''
>       else
>         # Sign the user in and redirect to the user''s show page.
>       end
>     end
>
> If I check in my browser and clic on submit with all fields empty, I
> get the following error:
>
> NoMethodError in SessionsController
> #create undefined method `nil'' for nil:NilClass
>
> I check the book many times and I have code exactly as the book, but I
> still have the error. Any help???
>
> You can check the code in this link listing 9.8
> http://ruby.railstutorial.org/chapters/sign-in-sign-out#sec:signin_failure
>
> What I doing wrong?
>
> Thanks for any help.
>
> --
> You received this message because you are subscribed to the Google Groups
> "Ruby on Rails: Talk" group.
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>
>
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Jean

2012-Feb-03 16:53 UTC

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Re: ruby on rails 3 tutorial book chapter9 Signin Failure

Well I tried two things. Go to localhost:3000/signin click on "sign
in" button with out any information on email and password field, and I
get this error. But if I fill the field with and user and password,
that exist in my db I get the same error. And in the book at this time
I suppost to see a flash error with something like a "invalid email/
password combination" but I get this error :s

On Feb 3, 11:45 am, Aline de Oliveira Freitas
<aline.do.frei...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:> The problem here is that your user object, isn''t retrieving any
objects on
> precisely this line:
> user = User.authenticate(params[:session][:email],
>                                params[:session][:password])
> :) Exactly what you where trying to do when this happened?
>
> 2012/2/3 Jean <josor...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>
>
>
>
>
>
>
> > Hi I have problem trying to pass the signin failure test.
>
> > This is the test code of the sessions_controller.rb
>
> >       def create
> >        user = User.authenticate(params[:session][:email],
> >                                params[:session][:password])
> >       if user.nil?
> >         flash.now[:error] = "Invalid email/password
combination."
> >         @title = "Sign in"
> >         render ''new''
> >       else
> >         # Sign the user in and redirect to the user''s show
page.
> >       end
> >     end
>
> > If I check in my browser and clic on submit with all fields empty, I
> > get the following error:
>
> > NoMethodError in SessionsController
> > #create undefined method `nil'' for nil:NilClass
>
> > I check the book many times and I have code exactly as the book, but I
> > still have the error. Any help???
>
> > You can check the code in this link listing 9.8
>
>http://ruby.railstutorial.org/chapters/sign-in-sign-out#sec:signin_fa...
>
> > What I doing wrong?
>
> > Thanks for any help.
>
> > --
> > You received this message because you are subscribed to the Google
Groups
> > "Ruby on Rails: Talk" group.
> > To post to this group, send email to
rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> > To unsubscribe from this group, send email to
> >
rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
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Dave Aronson

2012-Feb-03 16:53 UTC

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Re: ruby on rails 3 tutorial book chapter9 Signin Failure

On Fri, Feb 3, 2012 at 11:37, Jean
<josorioe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> NoMethodError in SessionsController
> #create undefined method `nil'' for nil:NilClass
>
> I check the book many times and I have code exactly as the book,
> but I still have the error. Any help???
It is a bit odd.  When we see "undefined method `some_method_name''
for
nil:NilClass" that usually means that something was nil unexpectedly.
This time though, the method called, according to the code, is "nil?",
which does indeed exist on NilClass, and the code is indeed properly
checking for a nil user.

BUT...

Then look a bit more closely at the error code.  It''s gritching about
"nil", not "nil?".  Are you absolutely sure that the code
you posted,
is what is executing?  Maybe you copied from the book into the post,
but when you copied by hand from the book into your actual app, you
forgot the question mark?  That''s an easy thing to miss, especially if
you''re not used to a question mark being a valid part of a method
name.

-Dave

-- 
Dave Aronson:  Available Cleared Ruby on Rails Freelancer
(NoVa/DC/Remote) -- see www.DaveAronson.com, and blogs at
www.Codosaur.us, www.Dare2XL.com, www.RecruitingRants.com

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Dave Aronson

2012-Feb-03 16:56 UTC

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Re: Re: ruby on rails 3 tutorial book chapter9 Signin Failure

On Fri, Feb 3, 2012 at 11:53, Jean
<josorioe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> if I fill the field with and user and password,
> that exist in my db I get the same error.
That also sounds like a forgotten question mark.  Ruby would try to
call it, and fail, either way.

-Dave

-- 
Dave Aronson:  Available Cleared Ruby on Rails Freelancer
(NoVa/DC/Remote) -- see www.DaveAronson.com, and blogs at
www.Codosaur.us, www.Dare2XL.com, www.RecruitingRants.com

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Jean

2012-Feb-03 17:13 UTC

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Re: ruby on rails 3 tutorial book chapter9 Signin Failure

No Dave, I copy from my code.  And this is the error:

NoMethodError in SessionsController#create

undefined method `nil'' for nil:NilClass
Rails.root: /Users/jeanosorio/rails_projects/sample_app

Application Trace | Framework Trace | Full Trace
app/models/user.rb:37:in `authenticate''
app/controllers/sessions_controller.rb:7:in `create''
Request

Parameters:

{"utf8"=>"âœ“",
 "authenticity_token"=>"1Dc0iARaC7tLF0Jwp7ZX9XJAOTtqHqavl0+x6qkHlEw=",
 "session"=>{"email"=>"",
 "password"=>"[FILTERED]"},
 "commit"=>"Sign in"}


And this is the code for user model

def self.authenticate(email, submitted_password)
		user = find_by_email(email)
		return nil if user.nil
		return user if user.has_password?(summitted_password)
end

I don''t understand what''s happen

On Feb 3, 11:56 am, Dave Aronson
<googlegroups2d...-BRiZGj7G2yRXqviUI+FSNg@public.gmane.org>
wrote:> On Fri, Feb 3, 2012 at 11:53, Jean
<josor...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > if I fill the field with and user and password,
> > that exist in my db I get the same error.
>
> That also sounds like a forgotten question mark.  Ruby would try to
> call it, and fail, either way.
>
> -Dave
>
> --
> Dave Aronson:  Available Cleared Ruby on Rails Freelancer
> (NoVa/DC/Remote) -- seewww.DaveAronson.com, and blogs
atwww.Codosaur.us,www.Dare2XL.com,www.RecruitingRants.com
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Prince Joseph

2012-Feb-03 17:33 UTC

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Re: Re: ruby on rails 3 tutorial book chapter9 Signin Failure

def self.authenticate(email, submitted_password)
               user = find_by_email(email)
               return nil if user.nil
               return user if user.has_password?(summitted_password)
end

Here ''user.nil'' in the third line should be
''user.nil?''. There is a typo
(''?'' missing).

On Fri, Feb 3, 2012 at 10:43 PM, Jean
<josorioe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> No Dave, I copy from my code.  And this is the error:
>
> NoMethodError in SessionsController#create
>
> undefined method `nil'' for nil:NilClass
> Rails.root: /Users/jeanosorio/rails_projects/sample_app
>
> Application Trace | Framework Trace | Full Trace
> app/models/user.rb:37:in `authenticate''
> app/controllers/sessions_controller.rb:7:in `create''
> Request
>
> Parameters:
>
> {"utf8"=>"âœ“",
> 
"authenticity_token"=>"1Dc0iARaC7tLF0Jwp7ZX9XJAOTtqHqavl0+x6qkHlEw=",
>  "session"=>{"email"=>"",
>  "password"=>"[FILTERED]"},
>  "commit"=>"Sign in"}
>
>
> And this is the code for user model
>
> def self.authenticate(email, submitted_password)
>                user = find_by_email(email)
>                return nil if user.nil
>                return user if user.has_password?(summitted_password)
> end
>
> I don''t understand what''s happen
>
> On Feb 3, 11:56 am, Dave Aronson
<googlegroups2d...-BRiZGj7G2yRXqviUI+FSNg@public.gmane.org>
> wrote:
> > On Fri, Feb 3, 2012 at 11:53, Jean
<josor...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > > if I fill the field with and user and password,
> > > that exist in my db I get the same error.
> >
> > That also sounds like a forgotten question mark.  Ruby would try to
> > call it, and fail, either way.
> >
> > -Dave
> >
> > --
> > Dave Aronson:  Available Cleared Ruby on Rails Freelancer
> > (NoVa/DC/Remote) -- seewww.DaveAronson.com, and blogs
atwww.Codosaur.us,
> www.Dare2XL.com,www.RecruitingRants.com
>
> --
> You received this message because you are subscribed to the Google Groups
> "Ruby on Rails: Talk" group.
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>
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>
>

-- 
Thanks,
Prince

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Colin Law

2012-Feb-03 17:33 UTC

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Re: Re: ruby on rails 3 tutorial book chapter9 Signin Failure

On 3 February 2012 17:13, Jean
<josorioe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:> No Dave, I copy from my code.  And this is the error:
>
> NoMethodError in SessionsController#create
>
> undefined method `nil'' for nil:NilClass
> Rails.root: /Users/jeanosorio/rails_projects/sample_app
>
> Application Trace | Framework Trace | Full Trace
> app/models/user.rb:37:in `authenticate''
> app/controllers/sessions_controller.rb:7:in `create''
> Request
>
> Parameters:
>
> {"utf8"=>"âœ“",
>
 "authenticity_token"=>"1Dc0iARaC7tLF0Jwp7ZX9XJAOTtqHqavl0+x6qkHlEw=",
>  "session"=>{"email"=>"",
>  "password"=>"[FILTERED]"},
>  "commit"=>"Sign in"}
>
>
> And this is the code for user model
>
> def self.authenticate(email, submitted_password)
>                user = find_by_email(email)
>                return nil if user.nil
Read the earlier posts from Dave carefully and look at the line above.

Colin

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Jean

2012-Feb-03 17:36 UTC

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Re: ruby on rails 3 tutorial book chapter9 Signin Failure

OMG thank you soooo much!!!

On Feb 3, 12:33 pm, Prince Joseph
<pri...-LNT+Ry0jrSDQT0dZR+AlfA@public.gmane.org>
wrote:> def self.authenticate(email, submitted_password)
>                user = find_by_email(email)
>                return nil if user.nil
>                return user if user.has_password?(summitted_password)
> end
>
> Here ''user.nil'' in the third line should be
''user.nil?''. There is a typo
> (''?'' missing).
>
>
>
>
>
>
>
>
>
> On Fri, Feb 3, 2012 at 10:43 PM, Jean
<josor...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > No Dave, I copy from my code.  And this is the error:
>
> > NoMethodError in SessionsController#create
>
> > undefined method `nil'' for nil:NilClass
> > Rails.root: /Users/jeanosorio/rails_projects/sample_app
>
> > Application Trace | Framework Trace | Full Trace
> > app/models/user.rb:37:in `authenticate''
> > app/controllers/sessions_controller.rb:7:in `create''
> > Request
>
> > Parameters:
>
> > {"utf8"=>"âœ“",
> >
 "authenticity_token"=>"1Dc0iARaC7tLF0Jwp7ZX9XJAOTtqHqavl0+x6qkHlEw=",
> >  "session"=>{"email"=>"",
> >  "password"=>"[FILTERED]"},
> >  "commit"=>"Sign in"}
>
> > And this is the code for user model
>
> > def self.authenticate(email, submitted_password)
> >                user = find_by_email(email)
> >                return nil if user.nil
> >                return user if user.has_password?(summitted_password)
> > end
>
> > I don''t understand what''s happen
>
> > On Feb 3, 11:56 am, Dave Aronson
<googlegroups2d...-BRiZGj7G2yRXqviUI+FSNg@public.gmane.org>
> > wrote:
> > > On Fri, Feb 3, 2012 at 11:53, Jean
<josor...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > > > if I fill the field with and user and password,
> > > > that exist in my db I get the same error.
>
> > > That also sounds like a forgotten question mark.  Ruby would try
to
> > > call it, and fail, either way.
>
> > > -Dave
>
> > > --
> > > Dave Aronson:  Available Cleared Ruby on Rails Freelancer
> > > (NoVa/DC/Remote) -- seewww.DaveAronson.com, and blogs
atwww.Codosaur.us,
> >www.Dare2XL.com,www.RecruitingRants.com
>
> > --
> > You received this message because you are subscribed to the Google
Groups
> > "Ruby on Rails: Talk" group.
> > To post to this group, send email to
rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> > To unsubscribe from this group, send email to
> >
rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> > For more options, visit this group at
> >http://groups.google.com/group/rubyonrails-talk?hl=en.
>
> --
> Thanks,
> Prince
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Dave Aronson

2012-Feb-03 17:54 UTC

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Re: Re: ruby on rails 3 tutorial book chapter9 Signin Failure

On Fri, Feb 3, 2012 at 12:13, Jean
<josorioe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> And this is the code for user model
>
> def self.authenticate(email, submitted_password)
>                user = find_by_email(email)
>                return nil if user.nil
Aha!  Right error, wrong place.  Here''s where you''re missing
the
question mark.  You had me worried that my awesome psychic powers were
on the blink.  ;-)

-Dave

-- 
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(NoVa/DC/Remote) -- see www.DaveAronson.com, and blogs at
www.Codosaur.us, www.Dare2XL.com, www.RecruitingRants.com

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Jean

2012-Feb-03 20:30 UTC

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Re: ruby on rails 3 tutorial book chapter9 Signin Failure

LOL thanks Dave!!

On Feb 3, 12:54 pm, Dave Aronson
<googlegroups2d...-BRiZGj7G2yRXqviUI+FSNg@public.gmane.org>
wrote:> On Fri, Feb 3, 2012 at 12:13, Jean
<josor...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> > And this is the code for user model
>
> > def self.authenticate(email, submitted_password)
> >                user = find_by_email(email)
> >                return nil if user.nil
>
> Aha!  Right error, wrong place.  Here''s where you''re
missing the
> question mark.  You had me worried that my awesome psychic powers were
> on the blink.  ;-)
>
> -Dave
>
> --
> Dave Aronson:  Available Cleared Ruby on Rails Freelancer
> (NoVa/DC/Remote) -- seewww.DaveAronson.com, and blogs
atwww.Codosaur.us,www.Dare2XL.com,www.RecruitingRants.com
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