Test against Ruby 3.4 (#950)

Additionally: return implicit `nil` from `SingletonHelpers#collection`
to keep the same coverage results as 3.3

Author: tagliala

.github/workflows/ci.yaml

@@ -18,6 +18,7 @@ jobs:
           - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
         rails:
           - rails_70
           - rails_71
@@ -26,6 +27,8 @@ jobs:
         exclude:
           - ruby: "3.1"
             rails: rails_80
+          - ruby: "3.4"
+            rails: rails_70
     steps:
       - uses: actions/checkout@v4
       - name: Configure bundler (default)

.github/workflows/rubocop.yml

@@ -4,7 +4,7 @@ on:
   pull_request:
 
 env:
-  RUBY_VERSION: ${{ vars.RUBOCOP_RUBY_VERSION || '3.3' }}
+  RUBY_VERSION: ${{ vars.RUBOCOP_RUBY_VERSION || '3.4' }}
 
 jobs:
   rubocop:

Gemfile.lock

@@ -10,65 +10,65 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (8.0.0.1)
-      actionpack (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    actioncable (8.0.1)
+      actionpack (= 8.0.1)
+      activesupport (= 8.0.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (8.0.0.1)
-      actionpack (= 8.0.0.1)
-      activejob (= 8.0.0.1)
-      activerecord (= 8.0.0.1)
-      activestorage (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    actionmailbox (8.0.1)
+      actionpack (= 8.0.1)
+      activejob (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       mail (>= 2.8.0)
-    actionmailer (8.0.0.1)
-      actionpack (= 8.0.0.1)
-      actionview (= 8.0.0.1)
-      activejob (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    actionmailer (8.0.1)
+      actionpack (= 8.0.1)
+      actionview (= 8.0.1)
+      activejob (= 8.0.1)
+      activesupport (= 8.0.1)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (8.0.0.1)
-      actionview (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    actionpack (8.0.1)
+      actionview (= 8.0.1)
+      activesupport (= 8.0.1)
       nokogiri (>= 1.8.5)
       rack (>= 2.2.4)
       rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
-    actiontext (8.0.0.1)
-      actionpack (= 8.0.0.1)
-      activerecord (= 8.0.0.1)
-      activestorage (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    actiontext (8.0.1)
+      actionpack (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (8.0.0.1)
-      activesupport (= 8.0.0.1)
+    actionview (8.0.1)
+      activesupport (= 8.0.1)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (8.0.0.1)
-      activesupport (= 8.0.0.1)
+    activejob (8.0.1)
+      activesupport (= 8.0.1)
       globalid (>= 0.3.6)
-    activemodel (8.0.0.1)
-      activesupport (= 8.0.0.1)
-    activerecord (8.0.0.1)
-      activemodel (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    activemodel (8.0.1)
+      activesupport (= 8.0.1)
+    activerecord (8.0.1)
+      activemodel (= 8.0.1)
+      activesupport (= 8.0.1)
       timeout (>= 0.4.0)
-    activestorage (8.0.0.1)
-      actionpack (= 8.0.0.1)
-      activejob (= 8.0.0.1)
-      activerecord (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    activestorage (8.0.1)
+      actionpack (= 8.0.1)
+      activejob (= 8.0.1)
+      activerecord (= 8.0.1)
+      activesupport (= 8.0.1)
       marcel (~> 1.0)
-    activesupport (8.0.0.1)
+    activesupport (8.0.1)
       base64
       benchmark (>= 0.3)
       bigdecimal
@@ -85,15 +85,15 @@ GEM
     ast (2.4.2)
     base64 (0.2.0)
     benchmark (0.4.0)
-    bigdecimal (3.1.8)
+    bigdecimal (3.1.9)
     builder (3.3.0)
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     crass (1.0.6)
     date (3.4.1)
     docile (1.4.1)
     drb (2.2.1)
-    erubi (1.13.0)
+    erubi (1.13.1)
     globalid (1.2.1)
       activesupport (>= 6.1)
     has_scope (0.8.2)
@@ -102,12 +102,12 @@ GEM
     i18n (1.14.6)
       concurrent-ruby (~> 1.0)
     io-console (0.8.0)
-    irb (1.14.1)
+    irb (1.14.3)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.9.0)
+    json (2.9.1)
     language_server-protocol (3.17.0.3)
-    logger (1.6.2)
+    logger (1.6.4)
     loofah (2.23.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -127,56 +127,55 @@ GEM
       ruby-progressbar
     mocha (2.7.1)
       ruby2_keywords (>= 0.0.5)
-    net-imap (0.5.1)
+    net-imap (0.5.4)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
     net-protocol (0.2.2)
       timeout
     net-smtp (0.5.0)
-      net-protocol
     nio4r (2.7.4)
-    nokogiri (1.17.1)
+    nokogiri (1.18.0)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.17.1-aarch64-linux)
+    nokogiri (1.18.0-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.17.1-arm64-darwin)
+    nokogiri (1.18.0-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.17.1-x86_64-darwin)
+    nokogiri (1.18.0-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.17.1-x86_64-linux)
+    nokogiri (1.18.0-x86_64-linux-gnu)
       racc (~> 1.4)
     parallel (1.26.3)
     parser (3.3.6.0)
       ast (~> 2.4.1)
       racc
-    psych (5.2.1)
+    psych (5.2.2)
       date
       stringio
     racc (1.8.1)
     rack (3.1.8)
     rack-session (2.0.0)
       rack (>= 3.0.0)
-    rack-test (2.1.0)
+    rack-test (2.2.0)
       rack (>= 1.3)
     rackup (2.2.1)
       rack (>= 3)
-    rails (8.0.0.1)
-      actioncable (= 8.0.0.1)
-      actionmailbox (= 8.0.0.1)
-      actionmailer (= 8.0.0.1)
-      actionpack (= 8.0.0.1)
-      actiontext (= 8.0.0.1)
-      actionview (= 8.0.0.1)
-      activejob (= 8.0.0.1)
-      activemodel (= 8.0.0.1)
-      activerecord (= 8.0.0.1)
-      activestorage (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    rails (8.0.1)
+      actioncable (= 8.0.1)
+      actionmailbox (= 8.0.1)
+      actionmailer (= 8.0.1)
+      actionpack (= 8.0.1)
+      actiontext (= 8.0.1)
+      actionview (= 8.0.1)
+      activejob (= 8.0.1)
+      activemodel (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       bundler (>= 1.15.0)
-      railties (= 8.0.0.1)
+      railties (= 8.0.1)
     rails-controller-testing (1.0.5)
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
@@ -185,29 +184,29 @@ GEM
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.6.1)
+    rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
-    railties (8.0.0.1)
-      actionpack (= 8.0.0.1)
-      activesupport (= 8.0.0.1)
+    railties (8.0.1)
+      actionpack (= 8.0.1)
+      activesupport (= 8.0.1)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.2.1)
-    rdoc (6.8.1)
+    rdoc (6.10.0)
       psych (>= 4.0.0)
-    regexp_parser (2.9.3)
-    reline (0.5.12)
+    regexp_parser (2.10.0)
+    reline (0.6.0)
       io-console (~> 0.5)
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.9)
-    rubocop (1.69.1)
+    rexml (3.4.0)
+    rubocop (1.69.2)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -217,7 +216,7 @@ GEM
       rubocop-ast (>= 1.36.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.36.2)
+    rubocop-ast (1.37.0)
       parser (>= 3.3.1.0)
     rubocop-minitest (0.36.0)
       rubocop (>= 1.61, < 2.0)
@@ -229,7 +228,7 @@ GEM
       rubocop-ast (>= 1.31.1, < 2.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
-    securerandom (0.4.0)
+    securerandom (0.4.1)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
@@ -241,15 +240,15 @@ GEM
     simplecov_json_formatter (0.1.4)
     stringio (3.1.2)
     thor (1.3.2)
-    timeout (0.4.2)
+    timeout (0.4.3)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (3.1.2)
+    unicode-display_width (3.1.3)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
     uri (1.0.2)
     useragent (0.16.11)
-    warning (1.4.0)
+    warning (1.5.0)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
@@ -278,4 +277,4 @@ DEPENDENCIES
   warning
 
 BUNDLED WITH
-   2.5.22
+   2.6.2