[rspec-users] NameError when passing a URL helper to a method

Pat Maddox pergesu at gmail.com
Thu Dec 4 19:56:37 EST 2008

Nick Hoffman <nick at deadorange.com> writes:

> On 2008-12-04, at 17:43, Nick Hoffman wrote:
>> The only solution that I can think of is to do this:
>>  before :each do
>>    @account_url = account_url
>>  end
>>  it_should_redirect_to 'the account page', @account_url
> Actually, that suggestion above of mine doesn't work. It fails with:
>   You have a nil object when you didn't expect it!
>   The error occurred while evaluating nil.rewrite
>   (eval):17:in `account_url'
> I thought of it while writing that last email, but didn't test it
> before hitting send.
> -Nick
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> rspec-users mailing list
> rspec-users at rubyforge.org
> http://rubyforge.org/mailman/listinfo/rspec-users

It's the same as

class Foo
  @class_instance_variable = "blah"

  def foo
    puts @class_instance_variable

Foo.foo will print nothing, because @class_instance_variable is nil in
the object instance.

Anyway, I thought of an even cleaner way to do things than using a
block, assuming you only care about calling one method:


def do_something(helper_name)


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