Update the CI matrix and fix test suite on Rails 7.1

.github/workflows/ci.yml

@@ -6,15 +6,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '2.7', '3.0.2', '3.1', '3.2', 'head' ]
-        rails: [ '6.0', '6.1', '7.0', 'edge' ]
+        ruby: [ '2.7', '3.0', '3.1', '3.2', 'head' ]
+        rails: [ '6.1', '7.0', '7.1', 'edge' ]
         exclude:
-          - ruby: '3.1'
-            rails: '6.0'
           - ruby: '3.1'
             rails: '6.1'
-          - ruby: '3.2'
-            rails: '6.0'
           - ruby: '3.2'
             rails: '6.1'
 

Gemfile

@@ -5,8 +5,6 @@ gemspec
 
 if ENV["RAILS_VERSION"] == "edge"
   gem "activesupport", github: "rails/rails", branch: "main"
-elsif ENV['RAILS_VERSION'] == "7.0"
-  gem "activesupport", ">= 7.0.0.alpha"
 elsif ENV["RAILS_VERSION"]
   gem "activesupport", "~> #{ENV["RAILS_VERSION"]}.0"
 end

test/support/application_generator.rb

@@ -64,7 +64,11 @@ def generate_files
         end
 
         rewrite_file(application.path("config/environments/test.rb")) do |c|
-          c.sub!(/config\.cache_classes\s*=\s*true/, "config.cache_classes = false")
+          if c.include?("config.cache_classes")
+            c.sub!(/config\.cache_classes\s*=\s*true/, "config.cache_classes = false")
+          else # 7.1+ doesn't have config.cache_classes in the config at all
+            c.sub!(/config.enable_reloading = false/, "config.enable_reloading = false\nconfig.cache_classes = false")
+          end
           c
         end