👷 add JRuby 9.1, 9.2, 9.3, 9.4 to CI

Author: pboling

.github/workflows/heads.yml

@@ -54,7 +54,6 @@ jobs:
             bundler: default
 
           # jruby-head
-          # Error output has a significantly different format in JRuby :(
           - ruby: "jruby-head"
             appraisal: "jruby-head"
             exec_cmd: "rake spec"

.github/workflows/jruby.yml

@@ -0,0 +1,91 @@
+name: JRuby
+
+env:
+  K_SOUP_COV_DO: false
+
+on:
+  push:
+    branches:
+      - 'main'
+    tags:
+      - '!*' # Do not execute on tags
+  pull_request:
+    branches:
+      - '*'
+  # Allow manually triggering the workflow.
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+# Cancels all previous workflow runs for the same branch that have not yet completed.
+concurrency:
+  # The concurrency group contains the workflow name and the branch name.
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: Specs - Ruby ${{ matrix.ruby }} ${{ matrix.appraisal }}${{ matrix.name_extra || '' }}
+    if: "!contains(github.event.commits[0].message, '[ci skip]') && !contains(github.event.commits[0].message, '[skip ci]')"
+    runs-on: ubuntu-22.04
+    continue-on-error: ${{ matrix.experimental || endsWith(matrix.ruby, 'head') }}
+    env: # $BUNDLE_GEMFILE must be set at job level, so it is set for all steps
+      BUNDLE_GEMFILE: ${{ github.workspace }}/${{ matrix.gemfile }}.gemfile
+    strategy:
+      matrix:
+        include:
+          # TODO: truffleruby does not support upgrading rubygems; VALIDATE ASSUMPTION that same applies to JRuby
+          # jruby-9.1 (targets Ruby 2.3 compatibility)
+          - ruby: "jruby-9.1"
+            appraisal: "ruby-2-3"
+            exec_cmd: "rake spec"
+            gemfile: "Appraisal.root"
+            rubygems: default
+            bundler: default
+
+          # jruby-9.2 (targets Ruby 2.5 compatibility)
+          - ruby: "jruby-9.2"
+            appraisal: "ruby-2-5"
+            exec_cmd: "rake spec"
+            gemfile: "Appraisal.root"
+            rubygems: default
+            bundler: default
+
+          # jruby-9.3 (targets Ruby 2.6 compatibility)
+          - ruby: "jruby-9.3"
+            appraisal: "ruby-2-6"
+            exec_cmd: "rake spec"
+            gemfile: "Appraisal.root"
+            rubygems: default
+            bundler: default
+
+          # jruby-9.4 (targets Ruby 3.1 compatibility)
+          - ruby: "jruby-9.4"
+            appraisal: "ruby-3-1"
+            exec_cmd: "rake spec"
+            gemfile: "Appraisal.root"
+            rubygems: default
+            bundler: default
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Ruby & RubyGems
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          rubygems: ${{ matrix.rubygems }}
+          bundler: ${{ matrix.bundler }}
+          bundler-cache: false
+
+      # Raw `bundle` will use the BUNDLE_GEMFILE set to matrix.gemfile (i.e. Appraisal.root)
+      # We need to do this first to get appraisal installed.
+      # NOTE: This does not use the main Gemfile at all.
+      - name: Bundle install for Appraisal ${{ matrix.appraisal }}
+        run: bundle
+      - name: Install Appraisal ${{ matrix.appraisal }} dependencies
+        run: bundle exec appraisal ${{ matrix.appraisal }} bundle
+      - name: Run ${{ matrix.appraisal }} tests via ${{ matrix.exec_cmd }}
+        run: bundle exec appraisal ${{ matrix.appraisal }} bundle exec ${{ matrix.exec_cmd }}

.github/workflows/truffle.yml

@@ -35,6 +35,7 @@ jobs:
     strategy:
       matrix:
         include:
+          # NOTE: truffleruby does not support upgrading rubygems.
           # truffleruby-22.3 (targets Ruby 3.0 compatibility)
           - ruby: "truffleruby-22.3"
             appraisal: "ruby-3-0"