Rspec / shoulda: testing, that a custom validator is called

Question

I have a custom validator (located in app/validators/uri_validator.rb) which is used in:

validates :link, uri: true

How do I specify this in my

Answer 1

Another option is to use the allow_value matcher, although not ideal it can work in some circumstances.

it { should allow_value(value_which_is_valid).for(:link) }
it { should_not allow_value(value_which_is_invalid).for(:link) }