method

test_to_key

rails latest stable - Class: ActiveModel::Lint::Tests

test_to_key()

public

Passes if the object’s model responds to to_key and if calling this method returns nil when the object is not persisted. Fails otherwise.

to_key returns an Enumerable of all (primary) key attributes of the model, and is used to a generate unique DOM id for the object.

# File activemodel/lib/active_model/lint.rb, line 31
      def test_to_key
        assert_respond_to model, :to_key
        def model.persisted?() false end
        assert model.to_key.nil?, "to_key should return nil when `persisted?` returns false"
      end

test_to_key

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