Rails 6 patch for the finders add on - plus configuration for travis and Rails 6

.travis.yml

@@ -1,7 +1,14 @@
 language: ruby
 cache: bundler
-
+services:
+  - postgresql
+  - mysql
+dist: trusty
+addons:
+  postgresql: "9.6"
 rvm:
+  - 2.6.1
+  - 2.5.3
   - 2.4.0
   - 2.3.0
   - 2.2.0
@@ -19,6 +26,7 @@ gemfile:
   - gemfiles/Gemfile.rails-5.0.rb
   - gemfiles/Gemfile.rails-5.1.rb
   - gemfiles/Gemfile.rails-5.2.rb
+  - gemfiles/Gemfile.rails-6.0.rb
 
 before_install:
   - gem update bundler
@@ -27,22 +35,52 @@ matrix:
   exclude:
     - rvm: 2.1.0
       gemfile: gemfiles/Gemfile.rails-5.2.rb
+    - rvm: 2.1.0
+      gemfile: gemfiles/Gemfile.rails-6.0.rb
     - rvm: 2.2.0
       gemfile: gemfiles/Gemfile.rails-5.2.rb
+    - rvm: 2.2.0
+      gemfile: gemfiles/Gemfile.rails-6.0.rb
     - rvm: jruby-9.1.13.0
       gemfile: gemfiles/Gemfile.rails-5.2.rb
+    - rvm: jruby-9.1.13.0
+      gemfile: gemfiles/Gemfile.rails-6.0.rb
+    - rvm: 2.1.0
+      gemfile: gemfiles/Gemfile.rails-5.0.rb
     - rvm: 2.1.0
       gemfile: gemfiles/Gemfile.rails-5.1.rb
+    - rvm: 2.1.0
+      gemfile: gemfiles/Gemfile.rails-6.0.rb
     - rvm: 2.2.0
       gemfile: gemfiles/Gemfile.rails-5.1.rb
-    - rvm: 2.1.0
-      gemfile: gemfiles/Gemfile.rails-5.0.rb
     - rvm: 2.2.0
       gemfile: gemfiles/Gemfile.rails-5.0.rb
+    - rvm: 2.2.0
+      gemfile: gemfiles/Gemfile.rails-6.0.rb
+    - rvm: 2.3.0
+      gemfile: gemfiles/Gemfile.rails-6.0.rb
     - rvm: 2.4.0
       gemfile: gemfiles/Gemfile.rails-4.0.rb
     - rvm: 2.4.0
       gemfile: gemfiles/Gemfile.rails-4.1.rb
+    - rvm: 2.4.0
+      gemfile: gemfiles/Gemfile.rails-6.0.rb
+    - rvm: 2.5.3
+      gemfile: gemfiles/Gemfile.rails-4.0.rb
+    - rvm: 2.5.3
+      gemfile: gemfiles/Gemfile.rails-4.1.rb
+    - rvm: 2.5.3
+      gemfile: gemfiles/Gemfile.rails-5.0.rb
+    - rvm: 2.5.3
+      gemfile: gemfiles/Gemfile.rails-5.1.rb
+    - rvm: 2.6.1
+      gemfile: gemfiles/Gemfile.rails-4.0.rb
+    - rvm: 2.6.1
+      gemfile: gemfiles/Gemfile.rails-4.1.rb
+    - rvm: 2.6.1
+      gemfile: gemfiles/Gemfile.rails-5.0.rb
+    - rvm: 2.6.1
+      gemfile: gemfiles/Gemfile.rails-5.1.rb
   allow_failures:
     - rvm: jruby-9.1.13.0
       gemfile: gemfiles/Gemfile.rails-5.1.rb

gemfiles/Gemfile.rails-6.0.rb

@@ -0,0 +1,27 @@
+source 'https://rubygems.org'
+
+gemspec path: '../'
+
+gem 'activerecord', '~> 6.0.0.beta1'
+gem 'railties', '~> 6.0.0.beta1'
+
+# Database Configuration
+group :development, :test do
+  platforms :jruby do
+    gem 'activerecord-jdbcmysql-adapter', '~> 51.1'
+    gem 'activerecord-jdbcpostgresql-adapter', '~> 51.1'
+    gem 'kramdown'
+  end
+
+  platforms :ruby, :rbx do
+    gem 'sqlite3'
+    gem 'mysql2'
+    gem 'pg'
+    gem 'redcarpet'
+  end
+
+  platforms :rbx do
+    gem 'rubysl', '~> 2.0'
+    gem 'rubinius-developer_tools'
+  end
+end

lib/friendly_id/finders.rb

@@ -76,7 +76,7 @@ def relation_delegate_class(klass)
     def self.setup(model_class)
       model_class.instance_eval do
         relation.class.send(:include, friendly_id_config.finder_methods)
-        if (ActiveRecord::VERSION::MAJOR == 4 && ActiveRecord::VERSION::MINOR == 2) || ActiveRecord::VERSION::MAJOR == 5
+        if (ActiveRecord::VERSION::MAJOR == 4 && ActiveRecord::VERSION::MINOR == 2) || ActiveRecord::VERSION::MAJOR >= 5
           model_class.send(:extend, friendly_id_config.finder_methods)
         end
       end