Merge pull request #31335 from ttanimichi/more-tests-for-webpack-option

Add more tests for the `--webpack` option

railties/test/generators/app_generator_test.rb

@@ -746,17 +746,38 @@ def test_spring_with_dev_option
   def test_webpack_option
     command_check = -> command, *_ do
       @called ||= 0
-      @called += 1 if command == "webpacker:install"
-      assert_equal 1, @called, "webpacker:install expected to be called once, but was called #{@called} times."
+      if command == "webpacker:install"
+        @called += 1
+        assert_equal 1, @called, "webpacker:install expected to be called once, but was called #{@called} times."
+      end
     end
 
-    generator([destination_root], webpack: true).stub(:rails_command, command_check) do
+    generator([destination_root], webpack: "webpack").stub(:rails_command, command_check) do
       quietly { generator.invoke_all }
     end
 
     assert_gem "webpacker"
   end
 
+  def test_webpack_option_with_js_framework
+    command_check = -> command, *_ do
+      case command
+      when "webpacker:install"
+        @webpacker ||= 0
+        @webpacker += 1
+        assert_equal 1, @webpacker, "webpacker:install expected to be called once, but was called #{@webpacker} times."
+      when "webpacker:install:react"
+        @react ||= 0
+        @react += 1
+        assert_equal 1, @react, "webpacker:install:react expected to be called once, but was called #{@react} times."
+      end
+    end
+
+    generator([destination_root], webpack: "react").stub(:rails_command, command_check) do
+      quietly { generator.invoke_all }
+    end
+  end
+
   def test_generator_if_skip_turbolinks_is_given
     run_generator [destination_root, "--skip-turbolinks"]