fix(inheritance): allow models inheritance without bugs

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Changelog
 All notable changes to this project made by Monade Team are documented in this file. For info refer to team@monade.io
 
+## [0.1.2]
+### Fixed
+- Bug with inheritance: attributes declared in parent classes where not propagated to child classes
+
 ## [0.1.1]
 ### Fixed
 - Name conflicts between columns and nosql attributes where not detected

acts_as_nosql.gemspec

@@ -17,8 +17,8 @@ Gem::Specification.new do |s|
   s.homepage    = 'https://rubygems.org/gems/acts_as_nosql'
   s.license     = 'MIT'
   s.add_dependency 'actionpack', ['>= 5', '< 8']
-  s.add_dependency 'activesupport', ['>= 5', '< 8']
   s.add_dependency 'activerecord', ['>= 5', '< 8']
+  s.add_dependency 'activesupport', ['>= 5', '< 8']
   s.add_development_dependency 'rspec', '~> 3'
   s.add_development_dependency 'rubocop'
 end

lib/acts_as_nosql.rb

@@ -1,12 +1,20 @@
+# frozen_string_literal: true
+
 require 'active_record'
 
+# ActsAsNosql
+#
+# This gem allows to handle JSON and JSONB fields as if they are proper
+# database columns, handling default values, type casting and simplifying
+# validation.
+# This module is the main entry point for the gem.
 module ActsAsNosql
   extend ActiveSupport::Concern
   extend ActiveSupport::Autoload
 
   class_methods do
     attr_accessor :_acts_as_nosql_options
-    # cattr_accessor :_acts_as_nosql_options
+
     def acts_as_nosql(field_name: nil)
       @_acts_as_nosql_options = { field_name: field_name }
 

lib/acts_as_nosql/attribute.rb

@@ -3,11 +3,15 @@ module ActsAsNosql
   class Attribute
     attr_reader :name, :type, :default, :path, :type_caster
 
+    # @param [String, Symbol] name
+    # @param [String, Symbol, nil] type
+    # @param [Object, nil] default
+    # @param [Array<String, Symbol>, nil] path
     def initialize(name, type: nil, default: nil, path: nil)
       @name = name.to_s
       @type = type
       @default = default
-      @path = path&.map { |p| p.to_s }
+      @path = path&.map(&:to_s)
       @type_caster = type ? "ActiveRecord::Type::#{type}".safe_constantize : nil
     end
 

lib/acts_as_nosql/attributes.rb

@@ -29,6 +29,11 @@ def nosql_attr(*names, type: nil, default: nil, path: nil)
         end
       end
 
+      def inherited(subclass)
+        subclass._acts_as_nosql_options = self._acts_as_nosql_options.deep_dup
+        super
+      end
+
       def nosql_attributes
         self._acts_as_nosql_options[:attributes] ||= {}
       end

lib/acts_as_nosql/querying.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 
 module ActsAsNosql
   module Querying

lib/acts_as_nosql/version.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ActsAsNosql
-  VERSION = '0.1.1'.freeze
+  VERSION = '0.1.2'.freeze
 end

spec/acts_as_nosql/inheritance_spec.rb

@@ -0,0 +1,22 @@
+require 'spec_helper'
+
+describe 'Inheritance' do
+  subject { InheritedSetting.new }
+  it 'inherits all methods from Settings' do
+    expect(subject).to respond_to(:user_auth_token)
+    expect(subject).to respond_to(:user_auth_token=)
+
+    subject.user_auth_token = '3'
+    expect(subject.user_auth_token).to eq('3')
+    subject.save!
+    expect do
+      expect(InheritedSetting.where(user_auth_token: '3')).to eq([subject])
+    end.to_not raise_error
+  end
+
+  it 'can be estended without affecting the parent' do
+    InheritedSetting.nosql_attrs :hello, type: :String
+    expect(subject).to respond_to(:hello)
+    expect(Setting.new).not_to respond_to(:hello)
+  end
+end

spec/support/schema.rb

@@ -44,6 +44,9 @@ class Setting < ActiveRecord::Base
   nosql_attrs :user_auth_providers, type: Array, default: [], path: [:user, :auth, :providers]
 end
 
+class InheritedSetting < Setting
+end
+
 module Schema
   def self.create
     ActiveRecord::Migration.verbose = false
@@ -60,6 +63,12 @@ def self.create
         t.json     :config
         t.timestamps null: false
       end
+
+      create_table :inherited_settings, force: true do |t|
+        t.string   :title
+        t.json     :config
+        t.timestamps null: false
+      end
     end
   end
 end