twitter-status-bot/.gems/gems/equalizer-0.0.9/spec/unit/equalizer/included_spec.rb

41 lines
1.2 KiB
Ruby

# encoding: utf-8
require 'spec_helper'
describe Equalizer, '#included' do
subject { descendant.instance_exec(object) { |mod| include mod } }
let(:object) { described_class.new }
let(:descendant) { Class.new }
let(:superclass) { described_class.superclass }
before do
# Prevent Module.included from being called through inheritance
described_class::Methods.stub(:included)
end
around do |example|
# Restore included method after each example
superclass.class_eval do
alias_method :original_included, :included
example.call
undef_method :included
alias_method :included, :original_included
end
end
it 'delegates to the superclass #included method' do
# This is the most succinct approach I could think of to test whether the
# superclass#included method is called. All of the built-in rspec helpers
# did not seem to work for this.
included = false
superclass.class_eval { define_method(:included) { |_| included = true } }
expect { subject }.to change { included }.from(false).to(true)
end
it 'includes methods into the descendant' do
subject
expect(descendant.included_modules).to include(described_class::Methods)
end
end