Add JRuby to CI test job

.github/workflows/cicd.yml

@@ -35,12 +35,17 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['3.1', '3.2', '3.3', '3.4']
+        ruby-version: ['3.1', '3.2', '3.3', '3.4', 'jruby-head']
         rails-version: ['rails-7.1', 'rails-7.2', 'rails-8.0']
         exclude:
           # Rails 8 requires Ruby 3.2+
           - ruby-version: '3.1'
             rails-version: 'rails-8.0'
+          # JRuby only supports up to 7.1 right now
+          - ruby-version: 'jruby-head'
+            rails-version: 'rails-8.0'
+          - ruby-version: 'jruby-head'
+            rails-version: 'rails-7.2'
 
     steps:
     - uses: actions/checkout@v4

Gemfile

@@ -6,7 +6,6 @@ gemspec
 
 group :development do
   gem 'appraisal'
-  gem 'async'
   gem 'bundler', '>= 2.0'
   gem 'codecov'
   gem 'dotenv'
@@ -25,7 +24,12 @@ group :development do
   gem 'rubocop-rspec'
   gem 'simplecov', '>= 0.21'
   gem 'simplecov-cobertura'
-  gem 'sqlite3'
+
+  # database drivers for MRI and JRuby
+  gem 'activerecord-jdbcsqlite3-adapter', platform: 'jruby'
+  gem 'jdbc-sqlite3', platform: 'jruby'
+  gem 'sqlite3', platform: 'mri'
+
   gem 'vcr'
   gem 'webmock', '~> 3.18'
   gem 'yard', '>= 0.9'

gemfiles/rails_7.1.gemfile

@@ -22,7 +22,9 @@ group :development do
   gem "rubocop-rspec"
   gem "simplecov", ">= 0.21"
   gem "simplecov-cobertura"
-  gem "sqlite3"
+  gem 'sqlite3', platform: 'mri'
+  gem 'jdbc-sqlite3', platform: 'jruby'
+  gem 'activerecord-jdbcsqlite3-adapter', platform: 'jruby'
   gem "vcr"
   gem "webmock", "~> 3.18"
   gem "yard", ">= 0.9"

gemfiles/rails_7.1.gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    ruby_llm (1.3.0rc1)
+    ruby_llm (1.3.1)
       base64
       event_stream_parser (~> 1)
       faraday (>= 1.10.0)
@@ -72,6 +72,11 @@ GEM
       activemodel (= 7.1.5.1)
       activesupport (= 7.1.5.1)
       timeout (>= 0.4.0)
+    activerecord-jdbc-adapter (71.0-java)
+      activerecord (~> 7.1.3)
+    activerecord-jdbcsqlite3-adapter (71.0-java)
+      activerecord-jdbc-adapter (= 71.0)
+      jdbc-sqlite3 (~> 3.8, < 4)
     activestorage (7.1.5.1)
       actionpack (= 7.1.5.1)
       activejob (= 7.1.5.1)
@@ -101,6 +106,7 @@ GEM
     base64 (0.3.0)
     benchmark (0.4.1)
     bigdecimal (3.2.1)
+    bigdecimal (3.2.1-java)
     builder (3.3.0)
     childprocess (5.1.0)
       logger (~> 1.5)
@@ -115,11 +121,13 @@ GEM
       rexml
     crass (1.0.6)
     date (3.4.1)
+    date (3.4.1-java)
     diff-lcs (1.6.2)
     docile (1.4.1)
     dotenv (3.1.8)
     drb (2.2.3)
     erb (5.0.1)
+    erb (5.0.1-java)
     erubi (1.13.1)
     event_stream_parser (1.0.0)
     faraday (2.13.1)
@@ -138,18 +146,23 @@ GEM
       concurrent-ruby (~> 1.1)
       webrick (~> 1.7)
       websocket-driver (~> 0.7)
+    ffi (1.17.2-java)
     globalid (1.2.1)
       activesupport (>= 6.1)
     hashdiff (1.2.0)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
     iniparse (1.5.0)
     io-console (0.8.0)
+    io-console (0.8.0-java)
     irb (1.15.2)
       pp (>= 0.6.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
+    jar-dependencies (0.5.5)
+    jdbc-sqlite3 (3.46.1.1)
     json (2.12.2)
+    json (2.12.2-java)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
     logger (1.7.0)
@@ -179,6 +192,9 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.4)
+    nio4r (2.7.4-java)
+    nokogiri (1.18.8-java)
+      racc (~> 1.4)
     nokogiri (1.18.8-x86_64-linux-gnu)
       racc (~> 1.4)
     overcommit (0.67.1)
@@ -196,11 +212,19 @@ GEM
     pry (0.15.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
+    pry (0.15.2-java)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+      spoon (~> 0.0)
     psych (5.2.6)
       date
       stringio
+    psych (5.2.6-java)
+      date
+      jar-dependencies (>= 0.1.7)
     public_suffix (6.0.2)
     racc (1.8.1)
+    racc (1.8.1-java)
     rack (3.1.15)
     rack-session (2.1.1)
       base64 (>= 0.1.0)
@@ -291,6 +315,8 @@ GEM
       simplecov (~> 0.19)
     simplecov-html (0.13.1)
     simplecov_json_formatter (0.1.4)
+    spoon (0.0.6)
+      ffi
     sqlite3 (2.6.0-x86_64-linux-gnu)
     stringio (3.1.7)
     thor (1.3.2)
@@ -311,20 +337,26 @@ GEM
     websocket-driver (0.8.0)
       base64
       websocket-extensions (>= 0.1.0)
+    websocket-driver (0.8.0-java)
+      base64
+      websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
     yard (0.9.37)
     zeitwerk (2.7.3)
 
 PLATFORMS
+  universal-java-21
   x86_64-linux
 
 DEPENDENCIES
+  activerecord-jdbcsqlite3-adapter
   appraisal
   bundler (>= 2.0)
   codecov
   dotenv
   ferrum
   irb
+  jdbc-sqlite3
   nokogiri
   overcommit (>= 0.66)
   pry (>= 0.14)

spec/ruby_llm/chat_error_spec.rb

@@ -69,6 +69,10 @@
 
         it 'handles context length exceeded errors' do # rubocop:disable RSpec/ExampleLength,RSpec/MultipleExpectations
           skip('Ollama does not throw an error for context length exceeded') if provider == :ollama
+
+          # Configure Psych to allow large input (JRuby's ext provider SnakeYAML has a low limit by default)
+          Psych::Parser.code_point_limit = 20_000_000 if Psych::Parser.respond_to?(:code_point_limit=)
+
           # Create a huge conversation
           massive_text = 'a' * 1_000_000