Time Period Refactor

time_period_spec.rb

# before
describe "<=>" do                                                                                                                
  it "first compares days" do                                                                                                    
    l = TimePeriod.create(:start_day => 1, :start_time => 10.hours.to_i, :duration => 1.hours.to_i)                              
    r = TimePeriod.create(:start_day => 2, :start_time => 10.hours.to_i, :duration => 1.hours.to_i)                              
    (l <=> r).should == -1                                                                                                       
    (r <=> l).should == 1                                                                                                        
  end                
end

# after
describe "<=>" do                                                                                                                
  it "first compares days" do                                                                                                    
    l = TimePeriod.new(:start_day => 1, :start_time => 10.hours.to_i, :duration => 1.hours.to_i)                              
    r = TimePeriod.new(:start_day => 2, :start_time => 10.hours.to_i, :duration => 1.hours.to_i)                              
    (l <=> r).should == -1                                                                                                       
    (r <=> l).should == 1                                                                                                        
  end                
end