Begin testing against AR 5

.gitignore

@@ -1,3 +1,4 @@
+gemfiles/*.lock
 NOTES
 test/debug.log
 test/paper_trail_plugin.sqlite3.db

.travis.yml

@@ -1,6 +1,6 @@
 language: ruby
 rvm:
-  - 2.0.0
+  - 2.2.4
   - 1.9.3
   - jruby-19mode
 env:
@@ -24,11 +24,19 @@ before_script:
   - sh -c "if [ \"$DB\" = 'postgres' ]; then psql -c 'create database paper_trail_foo;'  -U postgres; fi"
 
 gemfile:
-  - Gemfile
-  - gemfiles/3.0.gemfile
+  - gemfiles/ar3.gemfile
+  - gemfiles/ar4.gemfile
+  - gemfiles/ar5.gemfile
 
 matrix:
   fast_finish: true
+  allow_failures:
+    - gemfile: gemfiles/ar5.gemfile
+  exclude:
+    - gemfile: gemfiles/ar5.gemfile
+      rvm: 1.9.3
+    - gemfile: gemfiles/ar5.gemfile
+      rvm: jruby-19mode
 
 addons:
   postgresql: "9.4"

Appraisals

@@ -0,0 +1,45 @@
+# Specify here only version constraints that differ from
+# `paper_trail.gemspec`.
+#
+# > The dependencies in your Appraisals file are combined with dependencies in
+# > your Gemfile, so you don"t need to repeat anything that"s the same for each
+# > appraisal. If something is specified in both the Gemfile and an appraisal,
+# > the version from the appraisal takes precedence.
+# > https://github.com/thoughtbot/appraisal
+
+appraise "ar3" do
+  gem "activerecord", "~> 3.2"
+  gem "i18n", "~> 0.6.11"
+  gem "request_store", "~> 1.1.0"
+
+  group :development, :test do
+    gem 'railties', '~> 3.0'
+    gem 'test-unit', '~> 3.0'
+    platforms :ruby do
+      gem 'mysql2', '~> 0.3.20'
+      gem 'pg', '~> 0.17.1'
+    end
+    platforms :jruby do
+      gem 'activerecord-jdbcsqlite3-adapter', '~> 1.3'
+      gem 'activerecord-jdbcpostgresql-adapter', '~> 1.3'
+      gem 'activerecord-jdbcmysql-adapter', '~> 1.3'
+      gem 'activerecord-jdbc-adapter', '1.3.15'
+    end
+  end
+end
+
+appraise "ar4" do
+  gem "activerecord", "~> 4.2"
+end
+
+appraise "ar5" do
+  gem "activerecord", "5.0.0.beta1"
+  gem "activemodel", "5.0.0.beta1"
+  gem "actionpack", "5.0.0.beta1"
+  gem "railties", "5.0.0.beta1"
+  gem "rspec-rails", github: "rspec/rspec-rails"
+  gem "rspec-core", github: "rspec/rspec-core"
+  gem "rspec-expectations", github: "rspec/rspec-expectations"
+  gem "rspec-mocks", github: "rspec/rspec-mocks"
+  gem "rspec-support", github: "rspec/rspec-support"
+end

CONTRIBUTING.md

@@ -20,8 +20,15 @@ Please use our [bug report template][1].
 
 Testing is a little awkward because the test suite:
 
-1. contains a rails app with three databases (test, foo, and bar)
-1. supports three different RDBMS': sqlite, mysql, and postgres
+1. Supports three major versions of rails: 3, 4, 5
+1. Sontains a rails app with three databases (test, foo, and bar)
+1. Supports three different RDBMS': sqlite, mysql, and postgres
+
+Test against rails 3:
+
+```
+bundle exec appraisal ar3 rake
+```
 
 Run tests with sqlite:
 

gemfiles/ar3.gemfile

@@ -0,0 +1,26 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activerecord", "~> 3.2"
+gem "i18n", "~> 0.6.11"
+gem "request_store", "~> 1.1.0"
+
+group :development, :test do
+  gem "railties", "~> 3.0"
+  gem "test-unit", "~> 3.0"
+
+  platforms :ruby do
+    gem "mysql2", "~> 0.3.20"
+    gem "pg", "~> 0.17.1"
+  end
+
+  platforms :jruby do
+    gem "activerecord-jdbcsqlite3-adapter", "~> 1.3"
+    gem "activerecord-jdbcpostgresql-adapter", "~> 1.3"
+    gem "activerecord-jdbcmysql-adapter", "~> 1.3"
+    gem "activerecord-jdbc-adapter", "1.3.15"
+  end
+end
+
+gemspec :path => "../"

gemfiles/ar4.gemfile

@@ -0,0 +1,7 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activerecord", "~> 4.2"
+
+gemspec :path => "../"

gemfiles/ar5.gemfile

@@ -0,0 +1,15 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activerecord", "5.0.0.beta1"
+gem "activemodel", "5.0.0.beta1"
+gem "actionpack", "5.0.0.beta1"
+gem "railties", "5.0.0.beta1"
+gem "rspec-rails", :github => "rspec/rspec-rails"
+gem "rspec-core", :github => "rspec/rspec-core"
+gem "rspec-expectations", :github => "rspec/rspec-expectations"
+gem "rspec-mocks", :github => "rspec/rspec-mocks"
+gem "rspec-support", :github => "rspec/rspec-support"
+
+gemspec :path => "../"

paper_trail.gemspec

@@ -24,6 +24,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'activesupport', ['>= 3.0', '< 6.0']
   s.add_dependency 'request_store', '~> 1.1'
 
+  s.add_development_dependency 'appraisal', '~> 2.1'
   s.add_development_dependency 'rake', '~> 10.4.2'
   s.add_development_dependency 'shoulda', '~> 3.5'
   s.add_development_dependency 'ffaker', '~> 2.1.0'

test/dummy/app/controllers/application_controller.rb

@@ -1,15 +1,18 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery
 
+  # Rails 5 deprecates `before_filter`
+  name_of_before_callback = respond_to?(:before_action) ? :before_action : :before_filter
+
   # Some applications and libraries modify `current_user`. Their changes need
   # to be reflected in `whodunnit`, so the `set_paper_trail_whodunnit` below
   # must happen after this.
-  before_filter :modify_current_user
+  send(name_of_before_callback, :modify_current_user)
 
   # Going forward, we'll no longer add this `before_filter`, requiring people
   # to do so themselves, allowing them to control the order in which this filter
   # happens.
-  before_filter :set_paper_trail_whodunnit
+  send(name_of_before_callback, :set_paper_trail_whodunnit)
 
   def rescue_action(e)
     raise e

test/dummy/app/models/song.rb

@@ -19,7 +19,11 @@ def attributes_with_name
       attributes_without_name
     end
   end
-  alias_method_chain :attributes, :name
+
+  # `alias_method_chain` is deprecated in rails 5, but we cannot use the
+  # suggested replacement, `Module#prepend`, because we still support ruby 1.9.
+  alias_method :attributes_without_name, :attributes
+  alias_method :attributes, :attributes_with_name
 
   def changed_attributes_with_name
     if name
@@ -28,5 +32,9 @@ def changed_attributes_with_name
       changed_attributes_without_name
     end
   end
-  alias_method_chain :changed_attributes, :name
+
+  # `alias_method_chain` is deprecated in rails 5, but we cannot use the
+  # suggested replacement, `Module#prepend`, because we still support ruby 1.9.
+  alias_method :changed_attributes_without_name, :changed_attributes
+  alias_method :changed_attributes, :changed_attributes_with_name
 end

test/dummy/config/application.rb

@@ -51,17 +51,25 @@ class Application < Rails::Application
     # parameters by using an attr_accessible or attr_protected declaration.
     config.active_record.whitelist_attributes = false if ::PaperTrail.active_record_protected_attributes?
 
-    # Enable the asset pipeline
-    config.assets.enabled = false
+    # `config.assets` is a `NoMethodError` in rails 5.
+    if config.respond_to?(:assets)
+      config.assets.enabled = false
+    end
 
     # Version of your assets, change this if you want to expire all your assets
     # config.assets.version = '1.0'
 
     # Rails 4 key for generating secret key
     config.secret_key_base = 'A fox regularly kicked the screaming pile of biscuits.'
 
-    # supress warnings about raises in transactional callbacks on AR 4.2+
-    config.active_record.raise_in_transactional_callbacks = true if ActiveRecord::VERSION::STRING >= '4.2'
+    # `raise_in_transactional_callbacks` was added in rails 4, then deprecated
+    # in rails 5. Oh, how fickle are the gods.
+    if ActiveRecord.respond_to?(:gem_version)
+      v = ActiveRecord.gem_version
+      if v >= Gem::Version.new("4.2") && v < Gem::Version.new("5.0.0.beta1")
+        config.active_record.raise_in_transactional_callbacks = true
+      end
+    end
 
     # Set test order for Test::Unit if possible
     config.active_support.test_order = :sorted if config.active_support.respond_to?(:test_order=)

test/dummy/config/environments/test.rb

@@ -10,13 +10,21 @@
   # Eager loads all registered namespaces
   config.eager_load = true
 
-  # Configure static asset server for tests with Cache-Control for performance
-  if config.respond_to?(:serve_static_files=)
+  if config.respond_to?(:public_file_server)
+    config.public_file_server.enabled = true
+  elsif config.respond_to?(:serve_static_files=)
     config.serve_static_files = true
   else
     config.serve_static_assets = true
   end
-  config.static_cache_control = "public, max-age=3600"
+
+  if config.respond_to?(:public_file_server)
+    config.public_file_server.headers = {
+      'Cache-Control' => 'public, max-age=3600'
+    }
+  else
+    config.static_cache_control = "public, max-age=3600"
+  end
 
   # Show full error reports and disable caching
   config.consider_all_requests_local       = true

test/functional/modular_sinatra_test.rb

@@ -1,45 +1,55 @@
-require 'test_helper'
-require 'sinatra/base'
+# Our ActiveRecord 5 gemfile (see `Appraisals`) must use `rack 2.0.0.alpha`
+# which renames several files that sinatra 1 depended on. Until there is
+# a released version of sinatra that supports `rack 2.0.0.alpha`, we
+# must exclude sinatra from our test suite. This is done in two files:
+#
+# - test/functional/sinatra_test.rb
+# - test/functional/modular_sinatra_test.rb
+#
+if Gem::Version.new(Rack.release) < Gem::Version.new("2.0.0.alpha")
+  require 'test_helper'
+  require 'sinatra/base'
 
 # --- Tests for modular `Sinatra::Base` style ----
-class BaseApp < Sinatra::Base
-  configs = YAML.load_file(File.expand_path('../../dummy/config/database.yml', __FILE__))
-  ActiveRecord::Base.configurations = configs
-  ActiveRecord::Base.establish_connection(:test)
-  register PaperTrail::Sinatra
-
-  get '/test' do
-    Widget.create!(:name => 'foo')
-    'Hello'
-  end
+  class BaseApp < Sinatra::Base
+    configs = YAML.load_file(File.expand_path('../../dummy/config/database.yml', __FILE__))
+    ActiveRecord::Base.configurations = configs
+    ActiveRecord::Base.establish_connection(:test)
+    register PaperTrail::Sinatra
+
+    get '/test' do
+      Widget.create!(:name => 'foo')
+      'Hello'
+    end
 
-  def current_user
-    @current_user ||= OpenStruct.new(id: 'foobar')
+    def current_user
+      @current_user ||= OpenStruct.new(id: 'foobar')
+    end
   end
-end
 
-class ModularSinatraTest < ActionDispatch::IntegrationTest
-  include Rack::Test::Methods
+  class ModularSinatraTest < ActionDispatch::IntegrationTest
+    include Rack::Test::Methods
 
-  def app
-    @app ||= BaseApp
-  end
+    def app
+      @app ||= BaseApp
+    end
 
-  test 'baseline' do
-    assert_nil Widget.create.versions.first.whodunnit
-  end
+    test 'baseline' do
+      assert_nil Widget.create.versions.first.whodunnit
+    end
 
-  context "`PaperTrail::Sinatra` in a `Sinatra::Base` application" do
+    context "`PaperTrail::Sinatra` in a `Sinatra::Base` application" do
 
-    should "sets the `user_for_paper_trail` from the `current_user` method" do
-      get '/test'
-      assert_equal 'Hello', last_response.body
-      widget = Widget.last
-      assert_not_nil widget
-      assert_equal 'foo', widget.name
-      assert_equal 1, widget.versions.size
-      assert_equal 'foobar', widget.versions.first.whodunnit
-    end
+      should "sets the `user_for_paper_trail` from the `current_user` method" do
+        get '/test'
+        assert_equal 'Hello', last_response.body
+        widget = Widget.last
+        assert_not_nil widget
+        assert_equal 'foo', widget.name
+        assert_equal 1, widget.versions.size
+        assert_equal 'foobar', widget.versions.first.whodunnit
+      end
 
+    end
   end
 end