Replace email regex with EmailValidator gem

* Use Rails 3 `validates` method.
* Use Ruby 1.9 hash syntax.

Gemfile.lock

@@ -3,6 +3,7 @@ PATH
   specs:
     clearance (1.0.0.rc4)
       bcrypt-ruby
+      email_validator
       rails (>= 3.0)
 
 GEM
@@ -69,6 +70,8 @@ GEM
       nokogiri (>= 1.5.0)
     database_cleaner (0.8.0)
     diff-lcs (1.1.3)
+    email_validator (1.3.0)
+      activemodel
     erubis (2.7.0)
     factory_girl (3.5.0)
       activesupport (>= 3.0.0)
@@ -155,7 +158,7 @@ GEM
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (0.3.34)
+    tzinfo (0.3.35)
     xpath (0.1.4)
       nokogiri (~> 1.3)
 

clearance.gemspec

@@ -23,6 +23,7 @@ Gem::Specification.new do |s|
   s.required_ruby_version = Gem::Requirement.new('>= 1.9.2')
 
   s.add_dependency 'bcrypt-ruby'
+  s.add_dependency 'email_validator'
   s.add_dependency 'rails', '>= 3.0'
   s.add_development_dependency 'appraisal', '0.4.1'
   s.add_development_dependency 'aruba', '0.4.11'

gemfiles/3.0.20.gemfile.lock

@@ -3,6 +3,7 @@ PATH
   specs:
     clearance (1.0.0.rc4)
       bcrypt-ruby
+      email_validator
       rails (>= 3.0)
 
 GEM
@@ -68,6 +69,8 @@ GEM
       nokogiri (>= 1.5.0)
     database_cleaner (0.8.0)
     diff-lcs (1.1.3)
+    email_validator (1.3.0)
+      activemodel
     erubis (2.6.6)
       abstract (>= 1.0.0)
     factory_girl (3.5.0)

gemfiles/3.1.11.gemfile.lock

@@ -3,6 +3,7 @@ PATH
   specs:
     clearance (1.0.0.rc4)
       bcrypt-ruby
+      email_validator
       rails (>= 3.0)
 
 GEM
@@ -69,6 +70,8 @@ GEM
       nokogiri (>= 1.5.0)
     database_cleaner (0.8.0)
     diff-lcs (1.1.3)
+    email_validator (1.3.0)
+      activemodel
     erubis (2.7.0)
     factory_girl (3.5.0)
       activesupport (>= 3.0.0)

gemfiles/3.2.12.gemfile.lock

@@ -3,6 +3,7 @@ PATH
   specs:
     clearance (1.0.0.rc4)
       bcrypt-ruby
+      email_validator
       rails (>= 3.0)
 
 GEM
@@ -68,6 +69,8 @@ GEM
       nokogiri (>= 1.5.0)
     database_cleaner (0.8.0)
     diff-lcs (1.1.3)
+    email_validator (1.3.0)
+      activemodel
     erubis (2.7.0)
     factory_girl (3.5.0)
       activesupport (>= 3.0.0)

lib/clearance/user.rb

@@ -1,4 +1,5 @@
 require 'digest/sha1'
+require 'email_validator'
 
 module Clearance
   module User
@@ -36,11 +37,13 @@ module Validations
       extend ActiveSupport::Concern
 
       included do
-        validates_presence_of :email, :unless => :email_optional?
-        validates_uniqueness_of :email, :allow_blank => true
-        validates_format_of :email, :with => %r{\A[a-z0-9!#\$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#\$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\Z}i, :allow_blank => true
+        validates :email,
+          email: true,
+          presence: true,
+          uniqueness: { allow_blank: true },
+          unless: :email_optional?
 
-        validates_presence_of :password, :unless => :password_optional?
+        validates :password, presence: true, unless: :password_optional?
       end
     end
 

spec/models/password_strategies_spec.rb

@@ -2,10 +2,16 @@
 
 describe Clearance::User do
   subject do
+    class UniquenessValidator < ActiveModel::Validator
+      def validate(record)
+      end
+    end
+
     Class.new do
-      def self.validates_presence_of(*args); end
-      def self.validates_uniqueness_of(*args); end
-      def self.validates_format_of(*args); end
+      include ActiveModel::Validations
+
+      validates_with UniquenessValidator
+
       def self.before_validation(*args); end
       def self.before_create(*args); end