From: Grary Stimon <grary.stimon@...>
Date: 2011-12-12T03:59:33+09:00
Subject: enforcing module contract with self.included?

Hey,

What is the corresponding code in the AgeBasedApprovable module to beget
the behavior in the test below? If it is use of self.included, I've not
been able to get it to work...

describe AgeBasedApprovable do
  it "requires host object to provide a 'birthdate' method" do
    host = Object.new
    expect do
      host.extend(AgeBasedApprovable)
    end.to raise_error(/Objects that extend AgeBasedApprovable must
provide a 'birthdate' method/)
  end
end

Thanks,

Grar

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