Setup Appraisal to test multiple reactjs build provided by “react-rails” gem

1. Use `bundle exec appraisal install` to lock separate gem files
2. Use `bundle exec appraisal react-13 rake` to run separate gemfile , or `bundle exec appraisal rake` to run all variants.

Author: zetachang

.gitignore

@@ -31,3 +31,5 @@ node_modules
 
 spec/test_app
 Gemfile.lock
+
+/gemfiles/*.lock

Appraisals

@@ -0,0 +1,11 @@
+appraise "react-13" do
+  gem 'react-rails', '~> 1.3.3', require: false
+end
+
+appraise "react-14" do
+  gem 'react-rails', '~> 1.6.2', require: false
+end
+
+appraise "react-15" do
+  gem 'react-rails', '~> 1.8.2', require: false
+end

Gemfile

@@ -1,2 +1,6 @@
 source 'https://rubygems.org'
 gemspec
+
+group :development do
+  gem "appraisal"
+end

Rakefile

@@ -6,8 +6,15 @@ Bundler::GemHelper.install_tasks
 require 'rspec/core/rake_task'
 require 'opal/rspec/rake_task'
 
+begin
+  require "react-rails"
+rescue NameError
+end
+
 RSpec::Core::RakeTask.new('ruby:rspec')
+
 Opal::RSpec::RakeTask.new('opal:rspec') do |s|
+  s.append_path React::Rails::AssetVariant.new(addons: true).react_directory
   s.append_path 'spec/vendor'
   s.index_path = 'spec/index.html.erb'
 end

gemfiles/react_13.gemfile

@@ -0,0 +1,11 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "react-rails", "~> 1.3.3", :require => false
+
+group :development do
+  gem "appraisal"
+end
+
+gemspec :path => "../"

gemfiles/react_14.gemfile

@@ -0,0 +1,11 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "react-rails", "~> 1.6.2", :require => false
+
+group :development do
+  gem "appraisal"
+end
+
+gemspec :path => "../"

gemfiles/react_15.gemfile

@@ -0,0 +1,11 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "react-rails", "~> 1.8.2", :require => false
+
+group :development do
+  gem "appraisal"
+end
+
+gemspec :path => "../"

spec/spec_helper.rb

@@ -15,10 +15,11 @@ def ruby?
 
 if RUBY_ENGINE == 'opal'
   require File.expand_path('../vendor/jquery-2.2.4.min', __FILE__)
-  require 'react-latest'
+  require 'react.js'
+  require "react-server.js"
   require 'reactive-ruby'
   require 'react/test/rspec'
-  
+
   require File.expand_path('../support/react/spec_helpers', __FILE__)
 
   module Opal

spec/vendor/react-server.js

@@ -0,0 +1,2 @@
+// A placeholder file to prevent file not found error of requireing
+// `react-server` in spec_helper.rb.