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describe FactoryBot::NullObject do
it "responds to the given methods" do
methods_to_respond_to = %w[id age name admin?]
null_object = FactoryBot::NullObject.new(methods_to_respond_to)
methods_to_respond_to.each do |method_name|
expect(null_object.__send__(method_name)).to be_nil
expect(null_object).to respond_to(method_name)
end
end
it "does not respond to other methods" do
methods_to_respond_to = %w[id age name admin?]
methods_to_not_respond_to = %w[email date_of_birth title]
null_object = FactoryBot::NullObject.new(methods_to_respond_to)
methods_to_not_respond_to.each do |method_name|
expect { null_object.__send__(method_name) }.to raise_error(NoMethodError)
expect(null_object).not_to respond_to(method_name)
end
end
end
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