Updated gem to work (and successfully test) with Rails 5.0

.gitignore

@@ -16,3 +16,4 @@ test/tmp
 test/version_tmp
 tmp
 .ruby-version
+gemfiles/*.gemfile.lock

.travis.yml

@@ -1,8 +1,29 @@
 language: ruby
+sudo: false
+cache: bundler
 rvm:
- - 1.9.3
-before_install: gem install bundler
-script: bundle exec rake test
+  - 1.9
+  - 2.0
+  - 2.1
+  - 2.2.4
+  - 2.3.0
+  - ruby-head
+gemfile:
+  - gemfiles/rails_4_0.gemfile
+  - gemfiles/rails_4_1.gemfile
+  - gemfiles/rails_4_2.gemfile
+  - gemfiles/rails_5_0.gemfile
+matrix: 
+  allow_failures:
+    - rvm: ruby-head
+  fast_finish: true
+  exclude:
+    - rvm: 1.9
+      gemfile: gemfiles/rails_5_0.gemfile
+    - rvm: 2.0
+      gemfile: gemfiles/rails_5_0.gemfile
+    - rvm: 2.1
+      gemfile: gemfiles/rails_5_0.gemfile
 notifications:
   email: false
   irc:

Gemfile

@@ -3,6 +3,4 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in active_record-observers.gemspec
 gemspec
 
-gem 'activerecord-deprecated_finders'
-
 gem 'mocha', require: false

Rakefile

@@ -23,7 +23,6 @@ deps = `git ls-files`.split("\n") - [specname]
 
 file specname => deps do
   files       = `git ls-files`.split("\n")
-  test_files  = `git ls-files -- {test,spec,features}/*`.split("\n")
   executables = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
 
   require 'erb'

gemfiles/rails_4_0.gemfile

@@ -0,0 +1,9 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal"
+gem "mocha", :require => false
+gem "rails", "~> 4.0.0"
+
+gemspec :path => "../"

gemfiles/rails_4_1.gemfile

@@ -0,0 +1,9 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal"
+gem "mocha", :require => false
+gem "rails", "~> 4.1.0"
+
+gemspec :path => "../"

gemfiles/rails_4_2.gemfile

@@ -0,0 +1,9 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal"
+gem "mocha", :require => false
+gem "rails", "~> 4.2.0"
+
+gemspec :path => "../"

gemfiles/rails_5_0.gemfile

@@ -0,0 +1,9 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal"
+gem "mocha", :require => false
+gem "rails", ">= 5.0.0.beta1", "< 5.1"
+
+gemspec :path => "../"

lib/rails/observers/action_controller/caching/sweeping.rb

@@ -39,9 +39,9 @@ def cache_sweeper(*sweepers)
             sweeper_instance = (sweeper.is_a?(Symbol) ? Object.const_get(sweeper.to_s.classify) : sweeper).instance
 
             if sweeper_instance.is_a?(Sweeper)
-              around_filter(sweeper_instance, :only => configuration[:only])
+              around_action(sweeper_instance, :only => configuration[:only])
             else
-              after_filter(sweeper_instance, :only => configuration[:only])
+              after_action(sweeper_instance, :only => configuration[:only])
             end
           end
         end

lib/rails/observers/railtie.rb

@@ -6,10 +6,8 @@ class Railtie < ::Rails::Railtie
       initializer "active_record.observer", :before => "active_record.set_configs" do |app|
         ActiveSupport.on_load(:active_record) do
           require "rails/observers/activerecord/active_record"
-
-          if observers = app.config.respond_to?(:active_record) && app.config.active_record.delete(:observers)
-            send :observers=, observers
-          end
+          observers = app.config.active_record.delete(:observers)
+          self.observers = observers if observers
         end
       end
 
@@ -21,8 +19,6 @@ class Railtie < ::Rails::Railtie
 
       config.after_initialize do |app|
         ActiveSupport.on_load(:active_record) do
-          ActiveRecord::Base.instantiate_observers
-
           ActionDispatch::Reloader.to_prepare do
             ActiveRecord::Base.instantiate_observers
           end

rails-observers.gemspec

@@ -11,17 +11,16 @@ Gem::Specification.new do |s|
   s.version     = Rails::Observers::VERSION
   s.license     = 'MIT'
 
-  s.files         = [".gitignore",".travis.yml","Gemfile","LICENSE","README.md","Rakefile","lib/generators/active_record/observer/observer_generator.rb","lib/generators/active_record/observer/templates/observer.rb","lib/generators/rails/observer/USAGE","lib/generators/rails/observer/observer_generator.rb","lib/generators/test_unit/observer/observer_generator.rb","lib/generators/test_unit/observer/templates/unit_test.rb","lib/rails-observers.rb","lib/rails/observers/action_controller/caching.rb","lib/rails/observers/action_controller/caching/sweeper.rb","lib/rails/observers/action_controller/caching/sweeping.rb","lib/rails/observers/active_model.rb","lib/rails/observers/active_model/active_model.rb","lib/rails/observers/active_model/observer_array.rb","lib/rails/observers/active_model/observing.rb","lib/rails/observers/activerecord/active_record.rb","lib/rails/observers/activerecord/base.rb","lib/rails/observers/activerecord/observer.rb","lib/rails/observers/railtie.rb","lib/rails/observers/version.rb","rails-observers.gemspec","rails-observers.gemspec.erb","test/configuration_test.rb","test/console_test.rb","test/fixtures/developers.yml","test/fixtures/minimalistics.yml","test/fixtures/topics.yml","test/generators/generators_test_helper.rb","test/generators/namespaced_generators_test.rb","test/generators/observer_generator_test.rb","test/helper.rb","test/isolation/abstract_unit.rb","test/lifecycle_test.rb","test/models/observers.rb","test/observer_array_test.rb","test/observing_test.rb","test/rake_test.rb","test/sweeper_test.rb","test/transaction_callbacks_test.rb"]
-  s.test_files    = ["test/configuration_test.rb","test/console_test.rb","test/fixtures/developers.yml","test/fixtures/minimalistics.yml","test/fixtures/topics.yml","test/generators/generators_test_helper.rb","test/generators/namespaced_generators_test.rb","test/generators/observer_generator_test.rb","test/helper.rb","test/isolation/abstract_unit.rb","test/lifecycle_test.rb","test/models/observers.rb","test/observer_array_test.rb","test/observing_test.rb","test/rake_test.rb","test/sweeper_test.rb","test/transaction_callbacks_test.rb"]
+  s.files         = [".gitignore",".travis.yml","Appraisals","Gemfile","LICENSE","README.md","Rakefile","gemfiles/rails_4_0.gemfile","gemfiles/rails_4_1.gemfile","gemfiles/rails_4_2.gemfile","gemfiles/rails_5_0.gemfile","lib/generators/active_record/observer/observer_generator.rb","lib/generators/active_record/observer/templates/observer.rb","lib/generators/rails/observer/USAGE","lib/generators/rails/observer/observer_generator.rb","lib/generators/test_unit/observer/observer_generator.rb","lib/generators/test_unit/observer/templates/unit_test.rb","lib/rails-observers.rb","lib/rails/observers/action_controller/caching.rb","lib/rails/observers/action_controller/caching/sweeper.rb","lib/rails/observers/action_controller/caching/sweeping.rb","lib/rails/observers/active_model.rb","lib/rails/observers/active_model/active_model.rb","lib/rails/observers/active_model/observer_array.rb","lib/rails/observers/active_model/observing.rb","lib/rails/observers/activerecord/active_record.rb","lib/rails/observers/activerecord/base.rb","lib/rails/observers/activerecord/observer.rb","lib/rails/observers/railtie.rb","lib/rails/observers/version.rb","rails-observers.gemspec","rails-observers.gemspec.erb","test/configuration_test.rb","test/console_test.rb","test/fixtures/developers.yml","test/fixtures/minimalistics.yml","test/fixtures/topics.yml","test/generators/generators_test_helper.rb","test/generators/namespaced_generators_test.rb","test/generators/observer_generator_test.rb","test/helper.rb","test/isolation/abstract_unit.rb","test/lifecycle_test.rb","test/models/observers.rb","test/observer_array_test.rb","test/observing_test.rb","test/rake_test.rb","test/sweeper_test.rb","test/transaction_callbacks_test.rb"]
   s.executables   = []
   s.require_paths = ["lib"]
 
-  s.add_dependency 'activemodel', '>= 4.0'
+  s.add_dependency 'activemodel', '>= 4.0', '< 5.1'
 
   s.add_development_dependency 'minitest',     '>= 3'
-  s.add_development_dependency 'railties', '>= 4.0'
-  s.add_development_dependency 'activerecord', '>= 4.0'
-  s.add_development_dependency 'actionmailer', '>= 4.0'
-  s.add_development_dependency 'actionpack', '>= 4.0'
+  s.add_development_dependency 'railties',     '>= 4.0', '< 5.1'
+  s.add_development_dependency 'activerecord', '>= 4.0', '< 5.1'
+  s.add_development_dependency 'actionmailer', '>= 4.0', '< 5.1'
+  s.add_development_dependency 'actionpack',   '>= 4.0', '< 5.1'
   s.add_development_dependency 'sqlite3',      '~> 1.3'
 end

rails-observers.gemspec.erb

@@ -12,16 +12,15 @@ Gem::Specification.new do |s|
   s.license     = 'MIT'
 
   s.files         = [<%= files.map(&:inspect).join ',' %>]
-  s.test_files    = [<%= test_files.map(&:inspect).join ',' %>]
   s.executables   = [<%= executables.map(&:inspect).join ',' %>]
   s.require_paths = ["lib"]
 
   s.add_dependency 'activemodel', '>= 4.0'
 
   s.add_development_dependency 'minitest',     '>= 3'
-  s.add_development_dependency 'railties', '>= 4.0'
-  s.add_development_dependency 'activerecord', '>= 4.0'
-  s.add_development_dependency 'actionmailer', '>= 4.0'
-  s.add_development_dependency 'actionpack', '>= 4.0'
+  s.add_development_dependency 'railties',     '>= 4.0', '< 5.1'
+  s.add_development_dependency 'activerecord', '>= 4.0', '< 5.1'
+  s.add_development_dependency 'actionmailer', '>= 4.0', '< 5.1'
+  s.add_development_dependency 'actionpack',   '>= 4.0', '< 5.1'
   s.add_development_dependency 'sqlite3',      '~> 1.3'
 end

test/fixtures/topics.yml

@@ -3,9 +3,7 @@ first:
   title: The First Topic
   author_name: David
   author_email_address: [email protected]
-  written_on: 2003-07-16t15:28:11.2233+01:00
   last_read: 2004-04-15
-  bonus_time: 2005-01-30t15:28:00.00+01:00
   content: Have a nice day
   approved: false
   replies_count: 1
@@ -14,7 +12,6 @@ second:
   id: 2
   title: The Second Topic of the day
   author_name: Mary
-  written_on: 2004-07-15t15:28:00.0099+01:00
   content: Have a nice day
   approved: true
   replies_count: 0
@@ -25,7 +22,6 @@ third:
   id: 3
   title: The Third Topic of the day
   author_name: Carl
-  written_on: 2012-08-12t20:24:22.129346+00:00
   content: I'm a troll
   approved: true
   replies_count: 1
@@ -34,7 +30,6 @@ fourth:
   id: 4
   title: The Fourth Topic of the day
   author_name: Carl
-  written_on: 2006-07-15t15:28:00.0099+01:00
   content: Why not?
   approved: true
   type: Reply

test/generators/generators_test_helper.rb

@@ -6,6 +6,8 @@
 require 'rails/generators'
 require 'rails/generators/test_case'
 
+ActiveSupport.test_order = :random if ActiveSupport.respond_to?(:test_order=)
+
 module TestApp
   class Application < Rails::Application
   end

test/helper.rb

@@ -1,16 +1,33 @@
 require 'minitest/autorun'
+require 'mocha/mini_test'
 require 'active_record'
 require 'rails'
 require 'rails/observers/activerecord/active_record'
 
 FIXTURES_ROOT = File.expand_path(File.dirname(__FILE__)) + "/fixtures"
 
+module Rails
+  class << self
+    def version_matches?(requirement_str)
+      ver = Gem::Version.new(version)
+      req = Gem::Requirement.new(requirement_str)
+      req.satisfied_by?(ver)
+    end
+  end
+end
+
 class ActiveSupport::TestCase
   include ActiveRecord::TestFixtures
 
+  self.test_order = :random if self.respond_to?(:test_order=)
   self.fixture_path = FIXTURES_ROOT
   self.use_instantiated_fixtures  = false
-  self.use_transactional_fixtures = true
+  self.use_transactional_fixtures = true if Rails.version_matches?('~> 4.0')
+  self.use_transactional_tests = true if self.respond_to?(:use_transactional_tests=)
+end
+
+if ActiveRecord::Base.respond_to?(:raise_in_transactional_callbacks=) && Rails.version_matches?('~> 4.0')
+  ActiveRecord::Base.raise_in_transactional_callbacks = true
 end
 
 ActiveRecord::Base.configurations = { "test" => { adapter: 'sqlite3', database: ':memory:' } }
@@ -33,7 +50,7 @@ class ActiveSupport::TestCase
     t.string   :parent_title
     t.string   :type
     t.string   :group
-    t.timestamps
+    t.timestamps :null => false
   end
 
   create_table :comments do |t|

test/lifecycle_test.rb

@@ -17,7 +17,12 @@ class SalaryChecker < ActiveRecord::Observer
   attr_accessor :last_saved
 
   def before_save(developer)
-    return developer.salary > 80000
+    should_abort = developer.salary <= 80000
+    begin
+      throw :abort if should_abort
+    rescue
+      return !should_abort
+    end
   end
 
   module Implementation
@@ -72,7 +77,8 @@ def observed_class_inherited_with_testing(subclass)
     @@last_inherited = subclass
   end
 
-  alias_method_chain :observed_class_inherited, :testing
+  alias_method :observed_class_inherited_without_testing, :observed_class_inherited
+  alias_method :observed_class_inherited, :observed_class_inherited_with_testing
 
   def after_find(record)
     @record = record

test/sweeper_test.rb

@@ -14,7 +14,11 @@ class SweeperTestController < ActionController::Base
   cache_sweeper :app_sweeper
 
   def show
-    render text: 'hello world'
+    if Rails.version_matches?('>= 5.0.0.beta1')
+      render plain: 'hello world'
+    else
+      render text: 'hello world'
+    end
   end
 
   def error
@@ -75,8 +79,16 @@ def test_sweeper_should_not_ignore_unknown_method_calls
 
   def test_process(controller, action = "show")
     @controller = controller.is_a?(Class) ? controller.new : controller
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
+    if ActionController::TestRequest.respond_to?(:create)
+      @request    = ActionController::TestRequest.create
+    else
+      @request    = ActionController::TestRequest.new
+    end
+    if ActionController.constants.include?(:TestResponse)
+      @response   = ActionController::TestResponse.new
+    else
+      @response   = ActionDispatch::TestResponse.new
+    end
 
     process(action)
   end

test/transaction_callbacks_test.rb

@@ -1,7 +1,8 @@
 require "helper"
 
 class TransactionCallbacksTest < ActiveSupport::TestCase
-  self.use_transactional_fixtures = false
+  self.use_transactional_fixtures = false if Rails.version_matches?('~> 4.0')
+  self.use_transactional_tests = false if self.respond_to?(:use_transactional_tests=)
   fixtures :topics
 
   class TopicWithCallbacks < ActiveRecord::Base
@@ -227,20 +228,37 @@ def @first.last_after_transaction_error; @last_transaction_error; end
     @second.after_commit_block{|r| r.history << :after_commit}
     @second.after_rollback_block{|r| r.history << :after_rollback}
 
-    Topic.transaction do
-      @first.save!
-      @second.save!
+    action_without_rollback = Proc.new do
+      Topic.transaction do
+        @first.save!
+        @second.save!
+      end
+    end
+
+    if Rails.version_matches?('>= 4.2')
+      assert_raises RuntimeError, &action_without_rollback
+    else
+      action_without_rollback.call
     end
     assert_equal :commit, @first.last_after_transaction_error
     assert_equal [:after_commit], @second.history
 
     @second.history.clear
-    Topic.transaction do
-      @first.save!
-      @second.save!
-      raise ActiveRecord::Rollback
+    action_with_rollback = Proc.new do
+      Topic.transaction do
+        @first.save!
+        @second.save!
+        raise ActiveRecord::Rollback
+      end
+    end
+    if Rails.version_matches?('>= 4.2')
+      assert_raises RuntimeError, &action_with_rollback
+      assert_equal :rollback, @first.last_after_transaction_error
+      assert_equal [], @second.history
+    else
+      action_with_rollback.call
+      assert_equal :rollback, @first.last_after_transaction_error
+      assert_equal [:after_rollback], @second.history
     end
-    assert_equal :rollback, @first.last_after_transaction_error
-    assert_equal [:after_rollback], @second.history
   end
 end