Do not run validatins unless on reconfirmable branch, closes #1515.

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    devise (1.5.2)
+    devise (2.0.0.rc)
       bcrypt-ruby (~> 3.0)
       orm_adapter (~> 0.0.3)
       warden (~> 1.1)

lib/devise/models/confirmable.rb

@@ -40,15 +40,17 @@ module Devise
       # is already confirmed, add an error to email field. If the user is invalid
       # add errors
       def confirm!
-        unless_confirmed do
+        pending_any_confirmation do
           self.confirmation_token = nil
           self.confirmed_at = Time.now.utc
 
-          if self.class.reconfirmable
+          if self.class.reconfirmable && unconfirmed_email.present?
             @bypass_postpone = true
-            self.email = unconfirmed_email if unconfirmed_email.present?
+            self.email = unconfirmed_email
             self.unconfirmed_email = nil
-            save
+
+            # We need to validate in such cases to enforce e-mail uniqueness
+            save(:validate => true)
           else
             save(:validate => false)
           end
@@ -73,7 +75,7 @@ module Devise
 
       # Resend confirmation token. This method does not need to generate a new token.
       def resend_confirmation_token
-        unless_confirmed { send_confirmation_instructions }
+        pending_any_confirmation { send_confirmation_instructions }
       end
 
       # Overwrites active_for_authentication? for confirmation
@@ -133,10 +135,9 @@ module Devise
           confirmation_sent_at && confirmation_sent_at.utc >= self.class.allow_unconfirmed_access_for.ago
         end
 
-        # Checks whether the record is confirmed or not or a new email has been added, yielding to the block
-        # if it's already confirmed, otherwise adds an error to email.
-        def unless_confirmed
-          unless confirmed? && !pending_reconfirmation?
+        # Checks whether the record requires any confirmation.
+        def pending_any_confirmation
+          if !confirmed? || pending_reconfirmation?
             yield
           else
             self.errors.add(:email, :already_confirmed)

test/models/confirmable_test.rb

@@ -238,6 +238,12 @@ class ConfirmableTest < ActiveSupport::TestCase
 end
 
 class ReconfirmableTest < ActiveSupport::TestCase
+  test 'should not worry about validations on confirm even with reconfirmable' do
+    admin = create_admin
+    admin.reset_password_token = "a"
+    assert admin.confirm!
+  end
+
   test 'should generate confirmation token after changing email' do
     admin = create_admin
     assert admin.confirm!

test/rails_app/lib/shared_admin.rb

@@ -7,6 +7,7 @@ module SharedAdmin
            :unlock_strategy => :time, :lock_strategy => :none,
            :allow_unconfirmed_access_for => 2.weeks, :reconfirmable => true
 
+    validates_length_of     :reset_password_token, :minimum => 3, :allow_blank => true
     validates_uniqueness_of :email, :allow_blank => true, :if => :email_changed?
   end