From: Rick DeNatale <rick.denatale@...>
Date: 2009-03-03T03:04:58+09:00
Subject: Re: passing a method as a paramter

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On Mon, Mar 2, 2009 at 10:16 AM, Sarah Allen <sarah@ultrasaurus.com> wrote:

> Michael Fellinger wrote:
> > On Mon, Mar 2, 2009 at 7:44 PM, Sarah Allen <sarah@ultrasaurus.com>
> > wrote:
> >>>>      assert_not_nil record.errors.on(field)
> >>>>    end
> >>>>  end
> >>
> >> Any thoughts on how that could be called?
> >
> > It's the second example, you cannot obtain an instance of Method like
> > you would do in Python or JavaScript by simply omitting the
> > parenthesis, you have to use the Object#method method.
> >
> > All of these are equivalent:
> >
> > User.create
> > User.create()
> > User.method(:create).call
> > User.send(:create)
> >
> > ^ manveru
>
> I get the error: (ActiveRecord::Base).create> is not a symbol
> calling:
>  assert_required_fields User.method(:create), :create, :email,
> :lastname, :password
>
> the code in my library uses send, not call
>
> Of course, I could just change the definition of assert_required_fields,
> but since it is part of a plugin
> (
> http://topfunky.net/svn/plugins/topfunky_power_tools/lib/topfunky/test_helper.rb
> ), I figure there must be some standard way to call it


Yes, you need to pass a symbol, just as the error is trying to tell you:

 def test_should_not_create_user_unless_default_fields
   assert_required_fields :create, :email, :lastname, :password
 end

I'm assuming that this is in the unit test for the User model.


-- 
Rick DeNatale

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