Rails model.valid? flushing custom errors and falsely returning true

Question

I am trying to add a custom error to an instance of my User model, but when I call valid? it is wiping the custom errors and returning true.

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Answer 1

A clean way to achieve your needs is contexts, but if you want a quick fix, do:

#in your model
attr_accessor :with_foo_validation
validate :foo_validation, if: :with_foo_validation

def foo_validation
  #code 
end

#where you need it
your_object.with_foo_validation = true
your_object.valid?