ci: Add Rails 8 to testing matrix

.github/workflows/tests.yml

@@ -19,10 +19,14 @@ jobs:
           - "7.0"
           - "7.1"
           - "7.2"
+          - "8.0"
         ruby:
           - "3.1.6"
           - "3.2.5"
           - "3.3.5"
+        exclude:
+          - ruby: "3.1.6"
+            gemfile: "8.0"
 
     env:
       BUNDLE_GEMFILE: gemfiles/rails_${{ matrix.gemfile }}.gemfile

Appraisals

@@ -14,3 +14,8 @@ end
 appraise "rails_7.2" do
   gem "railties", "~> 7.2.0"
 end
+
+appraise "rails_8.0" do
+  gem "railties", "~> 8.0.0.rc1"
+  gem 'sqlite3', '>= 2.1'
+end

gemfiles/rails_8.0.gemfile

@@ -0,0 +1,20 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "addressable"
+gem "ammeter"
+gem "appraisal"
+gem "capybara"
+gem "database_cleaner"
+gem "erb_lint", require: false
+gem "factory_bot_rails"
+gem "nokogiri"
+gem "pry", require: false
+gem "rails-controller-testing"
+gem "rspec-rails"
+gem "shoulda-matchers"
+gem "sqlite3", ">= 2.1"
+gem "railties", "~> 8.0.0.rc1"
+
+gemspec path: "../"