Run tests only for supported versions of Ruby and Rails

Author: kirillplatonov

.travis.yml

@@ -1,26 +1,15 @@
 language: ruby
 sudo: false
 rvm:
-  - 2.0.0
-  - 2.1.10
-  - 2.2.7
-  - 2.3.4
-  - 2.4.1
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
 services: redis
 before_script:
   - cd test/dummy && RAILS_ENV=test bundle exec rake db:migrate && cd -
 gemfile:
-  - gemfiles/rails40.gemfile
-  - gemfiles/rails41.gemfile
   - gemfiles/rails42.gemfile
   - gemfiles/rails50.gemfile
-matrix:
-  exclude:
-    - rvm: 2.4.1
-      gemfile: gemfiles/rails40.gemfile
-    - rvm: 2.4.1
-      gemfile: gemfiles/rails41.gemfile
-    - rvm: 2.0.0
-      gemfile: gemfiles/rails50.gemfile
-    - rvm: 2.1.10
-      gemfile: gemfiles/rails50.gemfile
+  - gemfiles/rails51.gemfile
+  - gemfiles/rails52.gemfile

Appraisals

@@ -1,17 +1,5 @@
-if RUBY_VERSION < "2.4.0"
-  appraise 'rails40' do
-    gem 'rails', '~> 4.0.13'
-    gem 'nokogiri', '~> 1.6.0'
-  end
-
-  appraise 'rails41' do
-    gem 'rails', '~> 4.1.16'
-    gem 'nokogiri', '~> 1.6.0'
-  end
-end
-
 appraise 'rails42' do
-  gem 'rails', '~> 4.2.9'
+  gem 'rails', '~> 4.2.10'
   gem 'nokogiri', '~> 1.6.0'
 end
 
@@ -25,4 +13,9 @@ if RUBY_VERSION >= "2.2.0"
     gem 'rails', '~> 5.1.4'
     gem 'rails-controller-testing'
   end
+
+  appraise 'rails52' do
+    gem 'rails', '~> 5.2.0.beta2'
+    gem 'rails-controller-testing'
+  end
 end