Gemfile compatible versions of ruby, activerecord, sqlite

hideous

Gemfile

@@ -21,12 +21,27 @@ group(:test) do
   gem('rack-test')
   gem('webrick')
   gem('api_hammer')
-  activerecord_version =
-    RUBY_ENGINE == 'jruby' ? '< 7.1' : # TODO rm. some incompatibility with activerecord-jdbc-adapter at 7.1
-    nil
-  gem('activerecord', *activerecord_version)
-  platform(:mri, :truffleruby) do
-    gem('sqlite3', '~> 1.4') # loosen this in accordance with active_record/connection_adapters/sqlite3_adapter.rb
+
+  ruby_version = RUBY_VERSION.split('.').map(&:to_i)
+  # sqlite3 version is in accordance with active_record/connection_adapters/sqlite3_adapter.rb
+  [
+    {activerecord: '~> 8.0', ruby: [3, 2, 0], sqlite: '>= 2.1'},
+    {activerecord: '~> 7.2', ruby: [3, 1, 0], sqlite: '>= 1.4'},
+    {activerecord: '~> 7.0', ruby: [2, 7, 0], sqlite: '>= 1.4'},
+    {activerecord: '~> 6.0', ruby: [2, 5, 0], sqlite: '~> 1.4'},
+  ].map(&:values).each do |activerecord, ruby, sqlite|
+    if (ruby_version <=> ruby) >= 0
+      if RUBY_ENGINE == 'jruby'
+        # override. update this per released version of activerecord-jdbc-adapter, current latest 70.x corresponding to Rails 7.0.x
+        activerecord = '< 7.1'
+      end
+      gem('activerecord', activerecord)
+
+      platform(:mri, :truffleruby) do
+        gem('sqlite3', sqlite)
+      end
+      break
+    end
   end
   platform(:jruby) do
     gem('activerecord-jdbcsqlite3-adapter')