gistfile1.rb

  def test_sets_settings_with_hash
    user = User.create :name => 'Mr. Foo'
    user.settings[:three] = 3
    user.settings = { :one => 1, :two => 2 }
    assert_equal 1, user.settings[:one]
    assert_equal 2, user.settings[:two]
    assert_equal 3, user.settings[:three] # ensure existing settings remain intact
  end