Rails - Nov 2008 - stuck on a validates_presence_of unless issue

i have a person object. Persons don''t need to have addresses, but if
they have any address field value, they must have them all. So I have
something like this:

validates_presence_of :street_address, :city, :state, :postal_code
unless :address_blank?

address_blank? checks whether all of the address fields are blank.

If I run a test like this, it works:

  describe "given attributes" do
    before(:each) do
      @valid_attributes = {
        :first_name => "Jonny",
        :middle_name => "D",
        :last_name => "Miller",
        :street_address => "123 This Street",
        :street_address2 => "Suite 200",
        :city => "Baltimore",
        :state => "MD",
        :postal_code => "23993",
        :salutation => "Mr.",
        :home_phone => "373-333-9999",
        :cell_phone => "373-444-5555"
      }
    end
    it "given attributes containing valid address values,
address_blank? should return false" do
      it = Person.new(@valid_attributes)
      it.address_blank?.should == false
    end

However, if I do the following,

   it "must have a street_address" do
      @valid_attributes[:street_address] = ""
      it = Person.new(@valid_attributes)
      it.save
      it.errors.on(:street_address).should == "can''t be
blank"
    end

I get the following result.

''Person must have a street_address'' FAILED
expected: "can''t be blank",
     got: nil (using ==)

So it appears that :address_blank? in the validates_presence_of is
evaluating to true.

Can anyone give me an idea of how I can detect why this is so?

I apologize in advance if this should be an rspec question, and will
take it there if advised as such.

best,
Tom

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On Sat, Nov 1, 2008 at 5:29 AM, hoenth
<hoenth-/E1597aS9LQAvxtiuMwx3w@public.gmane.org> wrote:
>
> i have a person object. Persons don''t need to have addresses, but
if
> they have any address field value, they must have them all. So I have
> something like this:
>
> validates_presence_of :street_address, :city, :state, :postal_code
> unless :address_blank?

Instead of

unless :address_blank?

use

:unless => :address_blank?

since you need to pass options to validates_presence_of as opposed to
writing a normal conditional. See the API docs for validates_presence_of for
more details if you need them.

Regards,
Craig

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I must have looked at those API docs 10 times and didn''t see it. Would
have bitten...and all that.

Thanks for the quick response Craig. Worked like a charm.
Tom

On Nov 1, 9:05 am, "Craig Demyanovich"
<cdemyanov...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On Sat, Nov 1, 2008 at 5:29 AM, hoenth
<hoe...-/E1597aS9LQAvxtiuMwx3w@public.gmane.org> wrote:
>
> > i have a person object. Persons don''t need to have addresses,
but if
> > they have any address field value, they must have them all. So I have
> > something like this:
>
> > validates_presence_of :street_address, :city, :state, :postal_code
> > unless :address_blank?
>
> Instead of
>
> unless :address_blank?
>
> use
>
> :unless => :address_blank?
>
> since you need to pass options to validates_presence_of as opposed to
> writing a normal conditional. See the API docs for validates_presence_of
for
> more details if you need them.
>
> Regards,
> Craig
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