test validation in console

gistfile1.txt

Loading development environment (Rails 2.3.11)
>> i = Item.find_by_id(50568)
=> #<Item id: 50568, character_id: 20370, created_at: "2012-02-12 18:13:16", updated_at: "2012-02-12 18:13:16", name: "New Item", url: "", quantity: 2, price: "", weight: "", itemDescription: "">
>> i.quantity = nil
=> nil
>> i.save
=> false
>> i.errors
=> #<ActiveRecord::Errors:0x1035eea08 @base=#<Item id: 50568, character_id: 20370, created_at: "2012-02-12 18:13:16", updated_at: "2012-02-12 18:13:16", name: "New Item", url: "", quantity: nil, price: "", weight: "", itemDescription: "">, @errors=#<OrderedHash {"quantity"=>[#<ActiveRecord::Error:0x1035edd38 @type=:blank, @base=#<Item id: 50568, character_id: 20370, created_at: "2012-02-12 18:13:16", updated_at: "2012-02-12 18:13:16", name: "New Item", url: "", quantity: nil, price: "", weight: "", itemDescription: "">, @attribute=:quantity, @options={:default=>nil}, @message=:blank>]}>>
>>