Run test with Rails 6.0.x

.travis.yml

@@ -26,6 +26,7 @@ gemfile:
   - ci/rails-5.0.gemfile
   - ci/rails-5.1.gemfile
   - ci/rails-5.2.gemfile
+  - ci/rails-6.0.gemfile
 matrix:
   exclude:
     - rvm: 2.4.9
@@ -50,6 +51,13 @@ matrix:
       gemfile: ci/rails-4.0.gemfile
     - rvm: jruby-9.2.8.0
       gemfile: ci/rails-4.1.gemfile
+    - rvm: 2.2.9
+      gemfile: ci/rails-6.0.gemfile
+    - rvm: 2.3.8
+      gemfile: ci/rails-6.0.gemfile
+    - rvm: 2.4.9
+      gemfile: ci/rails-6.0.gemfile
+
 notifications:
   email:
     - [email protected]

ci/rails-6.0.gemfile

@@ -0,0 +1,28 @@
+source 'https://rubygems.org'
+
+gem 'railties', '~> 6.0.0'
+gem 'activemodel', '~> 6.0.0'
+gem 'actionpack', '~> 6.0.0'
+
+gemspec :path => '../'
+
+gem 'sequel', "#{ENV['SEQUEL']}"
+
+gem 'fakefs', '0.11.2', :require => 'fakefs/safe'
+
+# MRI/Rubinius Adapter Dependencies
+platform :ruby do
+  gem 'pg'
+  if RUBY_VERSION < '2.4'
+    gem 'mysql'
+  end
+  gem 'mysql2'
+  gem 'sqlite3'
+end
+
+# JRuby Adapter Dependencies
+platform :jruby do
+  gem 'jdbc-sqlite3'
+  gem 'jdbc-mysql'
+  gem 'jdbc-postgres'
+end