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# encoding: utf-8
require 'spec_helper'
require File.expand_path('../../fixtures/classes', __FILE__)
describe Memoizable::InstanceMethods, '#memoize' do
subject { object.memoize(method => value) }
let(:described_class) { Class.new(Fixture::Object) }
let(:object) { described_class.new }
let(:method) { :test }
before do
described_class.memoize(method)
end
context 'when the method is not memoized' do
let(:value) { String.new }
it 'sets the memoized value for the method to the value' do
subject
expect(object.send(method)).to be(value)
end
it_should_behave_like 'a command method'
end
context 'when the method is already memoized' do
let(:value) { double }
let(:original) { nil }
before do
object.memoize(method => original)
end
it 'raises an exception' do
expect { subject }.to raise_error(ArgumentError)
end
end
end
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