Fix paranoia soft delete record still exits bug

lib/second_level_cache/mixin.rb

@@ -71,6 +71,9 @@ def expire_second_level_cache
 
     def write_second_level_cache
       return unless klass.second_level_cache_enabled?
+      # Avoid rewrite cache again, when record has been soft deleted
+      return if self.respond_to?(:deleted?) && self.send(:deleted?)
+
       marshal = RecordMarshal.dump(self)
       expires_in = klass.second_level_cache_options[:expires_in]
       expire_changed_association_uniq_keys

test/base_test.rb

@@ -8,7 +8,7 @@ def setup
   end
 
   def test_should_update_cache_when_update_attributes
-    @user.update_attributes name: "change"
+    @user.update! name: "change"
     assert_equal @user.name, User.read_second_level_cache(@user.id).name
   end
 
@@ -18,13 +18,16 @@ def test_should_update_cache_when_update_attribute
   end
 
   def test_should_expire_cache_when_destroy
+    @user = User.create name: "csdn", email: "test@csdn.com"
     @user.destroy
+    assert_nil User.find_by_id(@user.id)
+    assert_nil SecondLevelCache.cache_store.read(@user.second_level_cache_key)
     assert_nil User.read_second_level_cache(@user.id)
   end
 
   def test_should_expire_cache_when_update_counters
     assert_equal 0, @user.books_count
-    @user.books.create
+    @user.books.create!
     assert_nil User.read_second_level_cache(@user.id)
     user = User.find(@user.id)
     assert_equal 1, user.books_count