How to Test a Concern in Rails

Question

Given that I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec?

Answer 1

In response to the comments I've received, here's what I've ended up doing (if anyone has improvements please feel free to post them):

spec/concerns/personable_spec.rb

require 'spec_helper'

describe Personable do
  let(:test_class) { Struct.new(:first_name, :last_name) { include Personable } }
  let(:personable) { test_class.new("Stewart", "Home") }

  it "has a full_name" do
    expect(personable.full_name).to eq("#{personable.first_name} #{personable.last_name}")
  end
end