Add Rails 6 and Ruby 2.7 to CI.

.travis.yml

@@ -1,8 +1,6 @@
 ---
 language: ruby
 
-sudo: false
-
 cache:
   - bundler
   - yarn
@@ -57,6 +55,16 @@ matrix:
     gemfile: gemfiles/rails_5.1.gemfile
   - rvm: 2.6.2
     gemfile: gemfiles/rails_5.2.gemfile
+  - rvm: 2.6.2
+    gemfile: gemfiles/rails_6.0.gemfile
+  - rvm: 2.7.0
+    gemfile: gemfiles/rails_5.0.gemfile
+  - rvm: 2.7.0
+    gemfile: gemfiles/rails_5.1.gemfile
+  - rvm: 2.7.0
+    gemfile: gemfiles/rails_5.2.gemfile
+  - rvm: 2.7.0
+    gemfile: gemfiles/rails_6.0.gemfile
   - rvm: ruby-head
     gemfile: gemfiles/rails_master.gemfile
   - rvm: 2.6.2

Appraisals

@@ -61,6 +61,13 @@ appraise 'rails_5.2_postgresql' do
   gem 'sequel'
 end
 
+appraise 'rails_6.0' do
+  gem 'rails', '~> 6.0.0', require: 'rails/all'
+  gem 'sqlite3', "~> 1.4", platform: :ruby
+  gem 'activerecord-jdbcsqlite3-adapter', platform: :jruby
+  gem 'sequel'
+end
+
 appraise 'rails_master' do
   gem 'rails', github: 'rails/rails', require: 'rails/all'
   gem 'sqlite3', "~> 1.4", platform: :ruby

gemfiles/rails_6.0.gemfile

@@ -0,0 +1,14 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "bootsnap"
+gem "ruby-prof", platform: :ruby
+gem "pry"
+gem "pry-stack_explorer", platform: :ruby
+gem "rails", "~> 6.0.0", require: "rails/all"
+gem "sqlite3", "~> 1.4", platform: :ruby
+gem "activerecord-jdbcsqlite3-adapter", platform: :jruby
+gem "sequel"
+
+gemspec path: "../"