strip more than 5 tags when updating profile so people with broken profiles can update again

app/models/profile.rb

@@ -40,7 +40,9 @@ class Profile < ActiveRecord::Base
     :image_url_small, :birthday, :gender, :bio, :location, :searchable, :date, :tag_string
 
   belongs_to :person
-
+  before_validation do
+    self.tag_string = self.tag_string.split[0..4].join(' ')
+  end
   before_save do
     self.build_tags
   end

spec/models/profile_spec.rb

@@ -188,9 +188,11 @@ describe Profile do
 
       @object.should be_valid
     end
-    it 'allows no more than 5 tags' do
+    it 'strips more than 5 tags' do
       @object.tag_string = '#one #two #three #four #five #six'
-      @object.should_not be_valid
+      @object.save
+      @object.tags.count.should == 5
+      puts @object.tag_string
     end
     it_should_behave_like 'it is taggable'
   end