DIY fixture base class

fixture.rb

class BaseFixture
  def self.create(opts={})
    fixture = self.new(opts)
    fixture.save!
    fixture
  end
end

class UserFixture < BaseFixture
  def self.new(opts={})
    User.new({:first_name => 'Joe', :last_name => 'Bob'}.merge(opts))
  end
end