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| author | Bogdan Gusiev <agresso@gmail.com> | 2012-08-06 13:45:27 +0300 |
|---|---|---|
| committer | Bogdan Gusiev <agresso@gmail.com> | 2012-08-06 13:45:27 +0300 |
| commit | 2e4f7986b8ec90d7b41c385388be21b8cee79b9c (patch) | |
| tree | d7dd64e1c97b9dcf1c263ebd2bd408b7fd7c9208 /guides/source/active_record_validations_callbacks.textile | |
| parent | 5edfc463484827df364a1e589677d5c84dfac282 (diff) | |
| download | rails-2e4f7986b8ec90d7b41c385388be21b8cee79b9c.tar.gz rails-2e4f7986b8ec90d7b41c385388be21b8cee79b9c.tar.bz2 rails-2e4f7986b8ec90d7b41c385388be21b8cee79b9c.zip | |
AM::Validation#validates: ability to pass custom exception to `:strict` option
Diffstat (limited to 'guides/source/active_record_validations_callbacks.textile')
| -rw-r--r-- | guides/source/active_record_validations_callbacks.textile | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/guides/source/active_record_validations_callbacks.textile b/guides/source/active_record_validations_callbacks.textile index cf7293bd9e..b866337e3f 100644 --- a/guides/source/active_record_validations_callbacks.textile +++ b/guides/source/active_record_validations_callbacks.textile @@ -532,6 +532,16 @@ end Person.new.valid? => ActiveModel::StrictValidationFailed: Name can't be blank </ruby> +There is also an ability to pass custom exception to +:strict+ option + +<ruby> +class Person < ActiveRecord::Base + validates :token, :presence => true, :uniqueness => true, :strict => TokenGenerationException +end + +Person.new.valid? => TokenGenerationException: Token can't be blank +</ruby> + h3. Conditional Validation Sometimes it will make sense to validate an object just when a given predicate is satisfied. You can do that by using the +:if+ and +:unless+ options, which can take a symbol, a string, a +Proc+ or an +Array+. You may use the +:if+ option when you want to specify when the validation *should* happen. If you want to specify when the validation *should not* happen, then you may use the +:unless+ option. |