added test checking that NOT NULL is properly reflected on [nathaniel@talbott.ws] closes #4125

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3885 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/test/reflection_test.rb

@@ -3,14 +3,21 @@
 require 'fixtures/customer'
 require 'fixtures/company'
 require 'fixtures/company_in_module'
+require 'fixtures/subscriber'
 
 class ReflectionTest < Test::Unit::TestCase
-  fixtures :topics, :customers, :companies
+  fixtures :topics, :customers, :companies, :subscribers
 
   def setup
     @first = Topic.find(1)
   end
 
+  def test_column_null_not_null
+    subscriber = Subscriber.find(:first)
+    assert subscriber.column_for_attribute("name").null
+    assert !subscriber.column_for_attribute("nick").null
+  end
+
   def test_read_attribute_names
     assert_equal(
       %w( id title author_name author_email_address bonus_time written_on last_read content approved replies_count parent_id type ).sort,