C0 code coverage information

Generated on Tue May 30 23:34:44 CEST 2006 with rcov 0.5.0

Code reported as executed by Ruby looks like this...
and this: this line is also marked as covered.
Lines considered as run by rcov, but not reported by Ruby, look like this,
and this: these lines were inferred by rcov (using simple heuristics).
Finally, here's a line marked as not executed.

 1 require 'digest/sha1'
 2 
 3 # this model expects a certain database layout and its based on the name/login pattern. 
 4 class User < ActiveRecord::Base
 5 
 6   # echo "typo" | sha1sum -
 7   @@salt = '20ac4d290c2293702c64b3b287ae5ea79b26a5c1'
 8   cattr_accessor :salt
 9 
10   # Authenticate a user. 
11   #
12   # Example:
13   #   @user = User.authenticate('bob', 'bobpass')
14   #
15   def self.authenticate(login, pass)
16     find_first(["login = ? AND password = ?", login, sha1(pass)])
17   end
18   
19   def self.authenticate?(login, pass)
20     user = self.authenticate(login, pass)
21     return false if user.nil?
22     return true if user.login == login
23     
24     false
25   end
26   
27   protected
28 
29   # Apply SHA1 encryption to the supplied password. 
30   # We will additionally surround the password with a salt 
31   # for additional security. 
32   def self.sha1(pass)
33     Digest::SHA1.hexdigest("#{salt}--#{pass}--")
34   end
35     
36   before_create :crypt_password
37   
38   # Before saving the record to database we will crypt the password 
39   # using SHA1. 
40   # We never store the actual password in the DB.
41   def crypt_password
42     write_attribute "password", self.class.sha1(password)
43   end
44   
45   before_update :crypt_unless_empty
46   
47   # If the record is updated we will check if the password is empty.
48   # If its empty we assume that the user didn't want to change his
49   # password and just reset it to the old value.
50   def crypt_unless_empty
51     if password.empty?      
52       user = self.class.find(self.id)
53       self.password = user.password
54     else
55       write_attribute "password", self.class.sha1(password)
56     end        
57   end  
58   
59   validates_uniqueness_of :login, :on => :create
60   validates_length_of :password, :within => 5..40, :on => :create
61   validates_presence_of :login
62 
63   validates_confirmation_of :password, :if=> Proc.new { |u| u.password.size > 0}
64   validates_length_of :login, :within => 3..40
65 end

Generated using the rcov code coverage analysis tool for Ruby version 0.5.0.