From: OnRails Ruby <zlai@...>
Date: 2007-09-03T13:13:08+09:00
Subject: Re: about assert_difference problem. help!!

I just want to do unit/test, test to creat person data into the table 
"people" of model person. and in model person, there is "def 
Person.newly_created(args)" method.
In fixtures file, there is
 test1:
  id: 1
  user_id: 1
  firstname: test1
  lastname: YY
 test2:
  id: 2
  user_id: 2
  firstname: test2
  lastname: TT
I want to use assert_difference to test creat all data into database. 
and now I modified as blow:
 def test_should_create_person
    assert_difference Person, :count do
  assert=Person.newly_created.valid?
    end
  end
but there is same error:
  1) Error:
test_should_create_person(PersonTest):
ArgumentError: wrong number of arguments (0 for 1)
    test/unit/person_test.rb:17:in `newly_created'
    test/unit/person_test.rb:17:in `test_should_create_person'
    D:/kisscafe/config/../lib/authenticated_test_helper.rb:42:in 
`assert_differe
nce'
    test/unit/person_test.rb:16:in `test_should_create_person'

1 tests, 0 assertions, 0 failures, 1 errors

So I don't know how to fix this problem.

By the way, I have read assert_latest, but I don't think that can 
perform my target.
ThanKs, Phlip

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