[T8-183] Allow to work with ApplicationRecord (#6)

* Allow ApplicationRecord as the superclass also

* Bump version

* Needed for version bump

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    active_record_deprecate_columns (0.2.0)
+    active_record_deprecate_columns (0.3.0)
 
 GEM
   remote: https://rubygems.org/

lib/active_record_deprecate_columns.rb

@@ -15,7 +15,7 @@
 
 module ActiveRecordDeprecateColumns
   def deprecate_column(column_name, with_block: nil, fallback: nil)
-    raise "You can only deprecate columns on the superclass" if self.superclass != ActiveRecord::Base
+    raise "You can only deprecate columns on the superclass" unless (self.superclass == ActiveRecord::Base || self.superclass == ApplicationRecord)
 
     deprecated_columns << column_name.to_s
 

lib/active_record_deprecate_columns/version.rb

@@ -1,3 +1,3 @@
 module ActiveRecordDeprecateColumns
-  VERSION = "0.2.0"
+  VERSION = "0.3.0"
 end

spec/models.rb

@@ -1,7 +1,10 @@
-class BrandNewObject < ActiveRecord::Base
+class ApplicationRecord < ActiveRecord::Base;
+  self.abstract_class = true
 end
 
-class User < ActiveRecord::Base
+class BrandNewObject < ApplicationRecord; end
+
+class User < ApplicationRecord
   attr_accessor :attribute
   deprecate_column :nothing
   deprecate_column :old_name, with_block: Proc.new { raise NoMethodError }
@@ -10,6 +13,6 @@ class User < ActiveRecord::Base
   deprecate_column :with_block_and_fallback, with_block: Proc.new {|object| object.attribute = "SET" }, fallback: :attribute
 end
 
-class Vehicle < ActiveRecord::Base
+class Vehicle < ApplicationRecord
   deprecate_column :not_used, with_block: Proc.new { raise NoMethodError }
 end