Example tests and the equivalent specs

Gemfile

gem 'rspec'

person.rb

class Person

  attr_reader :forename, :surname
  
  def initialize(forename, surname)
    @forename, @surname = forename, surname
  end
  
  def name_complete?
    forename && surname
  end
  
end

person_spec.rb

require 'person'
require 'spec'

describe Person do
  
  it 'should indicate that the name is complete' do
    person = Person.new('chris', 'roos')
    person.name_complete?.should_not be_false
  end
  
  it 'should indicate that the name is incomplete when the forename is missing' do
    person = Person.new(nil, 'roos')
    person.name_complete?.should_not be_true
  end
  
  it 'should indicate that the name is incomplete when the surname is missing' do
    person = Person.new('chris', nil)
    person.name_complete?.should_not be_true
  end
  
end

person_test.rb

require 'person'
require 'test/unit'

class PersonTest < Test::Unit::TestCase

  def test_should_indicate_that_the_name_is_complete
    person = Person.new('chris', 'roos')
    assert person.name_complete?
  end
  
  def test_should_indicate_that_the_name_is_incomplete_when_the_forename_is_missing
    person = Person.new(nil, 'roos')
    assert_not_equal true, person.name_complete?
  end
  
  def test_should_indicate_that_the_name_is_incomplete_when_the_surname_is_missing
    person = Person.new('chris', nil)
    assert_not_equal true, person.name_complete?
  end
  
end

Rakefile

require 'rake/testtask'
require 'spec/rake/spectask'

task :default => [:test, :examples]

Rake::TestTask.new(:test) do |t|
  t.test_files = FileList['*_test.rb']
  t.verbose = true
end

Spec::Rake::SpecTask.new(:examples) do |t|
  t.spec_files = FileList['*_spec.rb']
end