Don't run Rails 7.2 on Ruby 3.0

.github/workflows/main.yml

@@ -9,6 +9,11 @@ jobs:
     strategy:
       matrix:
         ruby-version: ['3.0', '3.3']
+        gemfile: ['Gemfile', 'Gemfile_rails71']
+        exclude:
+          # Rails 7.2 requires Ruby 3.1+
+          - ruby-version: '3.0'
+            gemfile: 'Gemfile'
 
     steps:
       - uses: actions/checkout@v4
@@ -18,4 +23,4 @@ jobs:
           bundler-cache: true
 
       - name: Run tests
-        run: ./script/test
+        run: ./script/test ${{matrix.gemfile}}

script/test

@@ -13,7 +13,7 @@ cd ..
 
 echo "---> Running tests"
 bundle exec rake
-./script/test_example_app
+BUNDLE_GEMFILE="${1-Gemfile}" ./script/test_example_app
 
 bundle exec rake test
 

script/test_example_app

@@ -2,27 +2,17 @@
 
 set -e
 
-run_example_tests() {
-  bundle
-  yarn install
-
-  # test a normal test run
-  bundle exec rake db:test:prepare
-  NODE_OPTIONS=--openssl-legacy-provider RAILS_ENV=test bundle exec rake assets:precompile
-  bundle exec rake cypress:run
-
-  # test that passing options works (by printing help)
-  if ! bundle exec rake cypress:run CYPRESS_RAILS_CYPRESS_OPTS="-h" | grep -q "Usage: cypress run \[options\]"; then
-    echo "Failed to pass options to cypress run"
-    exit 1
-  fi
-}
-
-
 cd example
-
-echo "---> Running example tests with default Gemfile"
-run_example_tests
-
-echo "---> Running example tests with Gemfile.rails71"
-BUNDLE_GEMFILE=Gemfile.rails71 run_example_tests
+bundle
+yarn install
+
+# test a normal test run
+bundle exec rake db:test:prepare
+NODE_OPTIONS=--openssl-legacy-provider RAILS_ENV=test bundle exec rake assets:precompile
+bundle exec rake cypress:run
+
+# test that passing options works (by printing help)
+if ! bundle exec rake cypress:run CYPRESS_RAILS_CYPRESS_OPTS="-h" | grep -q "Usage: cypress run \[options\]"; then
+  echo "Failed to pass options to cypress run"
+  exit 1
+fi