Add GitHub Actions workflow for CI

.github/workflows/ci.yml

@@ -0,0 +1,18 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        # Could consider adding head, jruby-head, jruby in the future
+        ruby: ['2.7', '3.0', '3.1', '3.2', '3.3', truffleruby, truffleruby-head]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+      - run: bundle exec rake

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    batch_queue (0.1.0)
+    batch_queue (1.0.0)
 
 GEM
   remote: https://rubygems.org/
@@ -19,13 +19,14 @@ GEM
 
 PLATFORMS
   ruby
+  universal-darwin-24
 
 DEPENDENCIES
   batch_queue!
-  bundler (~> 1.16)
+  bundler (~> 2.2)
   minitest (~> 5.0)
   minitest-reporters (~> 1.4)
   rake (~> 13.0)
 
 BUNDLED WITH
-   1.16.2
+   2.3.26

batch_queue.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.16"
+  spec.add_development_dependency "bundler", "~> 2.2"
   spec.add_development_dependency "rake", "~> 13.0"
   spec.add_development_dependency "minitest", "~> 5.0"
   spec.add_development_dependency "minitest-reporters", '~> 1.4'