Added User#unconfirmed_email and #confirm_email_token with specs

app/models/user.rb

@@ -23,6 +23,7 @@ class User < ActiveRecord::Base
   validates_format_of :username, :with => /\A[A-Za-z0-9_]+\z/
   validates_length_of :username, :maximum => 32
   validates_inclusion_of :language, :in => AVAILABLE_LANGUAGE_CODES
+  validates_format_of :unconfirmed_email, :with  => Devise.email_regexp, :allow_blank => true
 
   validates_presence_of :person, :unless => proc {|user| user.invitation_token.present?}
   validates_associated :person
@@ -43,6 +44,7 @@ class User < ActiveRecord::Base
   before_save do
     person.save if person && person.changed?
   end
+  before_save :guard_unconfirmed_email
 
   attr_accessible :getting_started, :password, :password_confirmation, :language, :disable_mail
 
@@ -349,4 +351,12 @@ class User < ActiveRecord::Base
       mentioned_person.delete
     end
   end
+
+  def guard_unconfirmed_email
+    self.unconfirmed_email = nil if unconfirmed_email.blank? || unconfirmed_email == email
+    
+    if unconfirmed_email_changed?
+      self.confirm_email_token = unconfirmed_email ? ActiveSupport::SecureRandom.hex(15) : nil
+    end
+  end
 end

db/migrate/20110601083310_add_unconfirmed_email_to_users.rb

@@ -0,0 +1,9 @@
+class AddUnconfirmedEmailToUsers < ActiveRecord::Migration
+  def self.up
+    add_column :users, :unconfirmed_email, :string, :default => nil, :null => true
+  end
+
+  def self.down
+    remove_column :users, :unconfirmed_email
+  end
+end

db/migrate/20110601091059_add_confirm_email_token_to_users.rb

@@ -0,0 +1,9 @@
+class AddConfirmEmailTokenToUsers < ActiveRecord::Migration
+  def self.up
+    add_column :users, :confirm_email_token, :string, :limit => 30
+  end
+
+  def self.down
+    remove_column :users, :confirm_email_token
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20110527135552) do
+ActiveRecord::Schema.define(:version => 20110601091059) do
 
   create_table "aspect_memberships", :force => true do |t|
     t.integer  "aspect_id",  :null => false
@@ -369,6 +369,8 @@ ActiveRecord::Schema.define(:version => 20110527135552) do
     t.integer  "invited_by_id"
     t.string   "invited_by_type"
     t.string   "authentication_token",   :limit => 30
+    t.string   "unconfirmed_email"
+    t.string   "confirm_email_token",    :limit => 30
   end
 
   add_index "users", ["authentication_token"], :name => "index_users_on_authentication_token", :unique => true

spec/models/user_spec.rb

@@ -34,6 +34,7 @@ describe User do
       new_user.id.should_not == alice.id
     end
   end
+
   describe "validation" do
     describe "of associated person" do
       it "fails if person is not valid" do
@@ -119,6 +120,26 @@ describe User do
         alice.should_not be_valid
       end
     end
+    
+    describe "of unconfirmed_email" do
+      it "unconfirmed_email address can be nil/blank" do
+        alice.unconfirmed_email = nil
+        alice.should be_valid
+        alice.unconfirmed_email = ""
+        alice.should be_valid
+      end
+
+      it "does NOT require a unique unconfirmed_email address" do
+        eve.update_attribute :unconfirmed_email, "new@email.com"
+        alice.unconfirmed_email = "new@email.com"
+        alice.should be_valid
+      end
+      
+      it "requires a vaild unconfirmed_email address" do
+        alice.unconfirmed_email = "somebody@anywhere"
+        alice.should_not be_valid
+      end
+    end
 
     describe "of language" do
       after do
@@ -593,4 +614,64 @@ describe User do
       end
     end
   end
+
+  context 'change email' do
+    let(:user){ alice }
+
+    describe "#unconfirmed_email" do
+      it "is nil by default" do
+        user.unconfirmed_email.should eql(nil)
+      end
+
+      it "forces blank to nil" do
+        user.unconfirmed_email = ""
+        user.save!
+        user.unconfirmed_email.should eql(nil)
+      end
+
+      it "is ignored if it equals email" do
+        user.unconfirmed_email = user.email
+        user.save!
+        user.unconfirmed_email.should eql(nil)
+      end
+
+      it "allows change to valid new email" do
+        user.unconfirmed_email = "alice@newmail.com"
+        user.save!
+        user.unconfirmed_email.should eql("alice@newmail.com")
+      end
+    end
+
+    describe "#confirm_email_token" do
+      it "is nil by default" do
+        user.confirm_email_token.should eql(nil)
+      end
+
+      it "is autofilled when unconfirmed_email is set to new email" do
+        user.unconfirmed_email = "alice@newmail.com"
+        user.save!
+        user.confirm_email_token.should_not be_blank
+        user.confirm_email_token.size.should eql(30)
+      end
+
+      it "is set back to nil when unconfirmed_email is empty" do
+        user.unconfirmed_email = "alice@newmail.com"
+        user.save!
+        user.confirm_email_token.should_not be_blank
+        user.unconfirmed_email = nil
+        user.save!
+        user.confirm_email_token.should eql(nil)
+      end
+
+      it "generates new token on every new unconfirmed_email" do
+        user.unconfirmed_email = "alice@newmail.com"
+        user.save!
+        first_token = user.confirm_email_token
+        user.unconfirmed_email = "alice@andanotherone.com"
+        user.save!
+        user.confirm_email_token.should_not eql(first_token)
+        user.confirm_email_token.size.should eql(30)
+      end
+    end
+  end
 end