test: test inside a dummy app.

.github/workflows/ci.yml

@@ -38,16 +38,22 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - '3.3'
+          - '3.4'
+          - 'jruby'
+          - 'truffleruby'
         rails:
-          - activerecord_8.0
-          - activerecord_7.2
-          - activerecord_7.1
-          - activerecord_edge
-        adapter:
-          - 'sqlite3:///:memory:'
-          - mysql2://root:root@0/closure_tree_test
-          - postgres://closure_tree:closure_tree@0/closure_tree_test
+          - '8.0'
+          - '7.2'
+          - '7.1'
+        exclude:
+          # JRuby doesn't support Rails 8.0 yet
+          - ruby: 'jruby'
+            rails: '7.2'
+          - ruby: 'jruby'
+            rails: '8.0'
+          # TruffleRuby also has compatibility issues with Rails 8.0
+          - ruby: 'truffleruby'
+            rails: '8.0'
 
     steps:
       - name: Checkout
@@ -60,14 +66,26 @@ jobs:
           bundler-cache: true
           rubygems: latest
         env:
-          BUNDLE_GEMFILE: gemfiles/${{ matrix.rails }}.gemfile
+          RAILS_VERSION: ${{ matrix.rails }}
           RAILS_ENV: test
 
+      - name: Setup databases
+        env:
+          RAILS_ENV: test
+          RAILS_VERSION: ${{ matrix.rails }}
+          DATABASE_URL_PG: postgres://postgres:postgres@127.0.0.1:5432/closure_tree_test
+          DATABASE_URL_MYSQL: mysql2://root:root@127.0.0.1:3306/closure_tree_test
+          DATABASE_URL_SQLITE3: 'sqlite3::memory:'
+        run: |
+          cd test/dummy
+          bundle exec rails db:schema:load
+
       - name: Test
         env:
           RAILS_ENV: test
           RAILS_VERSION: ${{ matrix.rails }}
-          DB_ADAPTER: ${{ matrix.adapter }}
-          BUNDLE_GEMFILE: gemfiles/${{ matrix.rails }}.gemfile
+          DATABASE_URL_PG: postgres://postgres:postgres@127.0.0.1:5432/closure_tree_test
+          DATABASE_URL_MYSQL: mysql2://root:root@127.0.0.1:3306/closure_tree_test
+          DATABASE_URL_SQLITE3: 'sqlite3::memory:'
           WITH_ADVISORY_LOCK_PREFIX: ${{ github.run_id }}
-        run: bin/rake
+        run: bin/rails test

Gemfile

@@ -4,4 +4,21 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem 'with_advisory_lock', github: 'closuretree/with_advisory_lock'
+gem 'railties'
+gem 'with_advisory_lock', github: 'closuretree/with_advisory_lock'
+
+gem 'activerecord', "~> #{ENV['RAILS_VERSION'] || '8.0'}.0"
+
+platforms :ruby, :truffleruby do
+  # Database adapters
+  gem 'mysql2'
+  gem 'pg'
+  gem 'sqlite3'
+end
+
+platform :jruby do
+  # JRuby-specific gems
+  gem 'activerecord-jdbcmysql-adapter'
+  gem 'activerecord-jdbcpostgresql-adapter'
+  gem 'activerecord-jdbcsqlite3-adapter'
+end

Rakefile

@@ -23,3 +23,8 @@ namespace :test do
     end
   end
 end
+
+
+require_relative 'test/dummy/config/application'
+
+Rails.application.load_tasks

bin/rails

@@ -0,0 +1,15 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+# This command will automatically be run when you run "rails" with Rails gems
+# installed from the root of your application.
+
+ENGINE_ROOT = File.expand_path('..', __dir__)
+APP_PATH = File.expand_path('../test/dummy/config/application', __dir__)
+
+# Set up gems listed in the Gemfile.
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
+
+require 'rails/all'
+require 'rails/engine/commands'

closure_tree.gemspec

@@ -30,7 +30,6 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency 'activerecord', '>= 7.1.0'
   gem.add_runtime_dependency 'with_advisory_lock', '>= 6.0.0'
 
-  gem.add_development_dependency 'appraisal'
   gem.add_development_dependency 'database_cleaner'
   gem.add_development_dependency 'parallel'
   gem.add_development_dependency 'minitest'