fix: fix glob pattern in runtime hints registration (#22531) (#22533)

Fixes the pattern used to register runtime hints for native build
in order to match resources in subfolders.
Also adds some basic test to ensure main resources are accepted

Fixes #22526

Co-authored-by: Marco Collovati <marco@vaadin.com>

Author: vaadin-bot

vaadin-spring/src/main/java/com/vaadin/flow/spring/springnative/VaadinHintsRegistrar.java

@@ -34,7 +34,7 @@ public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
                 .forEach(cls -> ref.registerType(cls, MemberCategory.values()));
 
         // Bundles, build info etc
-        hints.resources().registerPattern("META-INF/VAADIN/*");
+        hints.resources().registerPattern("META-INF/VAADIN/**");
         hints.resources().registerPattern("vaadin-i18n/*");
         hints.resources().registerPattern("vaadin-featureflags.properties");
 
@@ -55,8 +55,8 @@ public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
 
         // Flow server resources like BootstrapHandler.js and
         // RouteNotFoundError_prod.html
-        hints.resources().registerPattern("com/vaadin/flow/server/*");
-        hints.resources().registerPattern("com/vaadin/flow/router/*");
+        hints.resources().registerPattern("com/vaadin/flow/server/**");
+        hints.resources().registerPattern("com/vaadin/flow/router/**");
     }
 
     private void registerResourceIfPresent(RuntimeHints hints, String path) {

vaadin-spring/src/test/java/com/vaadin/flow/spring/springnative/VaadinHintsRegistrarTest.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2000-2025 Vaadin Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.vaadin.flow.spring.springnative;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class VaadinHintsRegistrarTest {
+
+    @Test
+    void shouldRegisterVaadinMetadata() {
+        RuntimeHints hints = new RuntimeHints();
+        new VaadinHintsRegistrar().registerHints(hints,
+                getClass().getClassLoader());
+        assertThat(RuntimeHintsPredicates.resource()
+                .forResource("META-INF/VAADIN/conf/flow-build-info.json"))
+                .accepts(hints);
+    }
+
+    @Test
+    void shouldRegisterFeatureFlags() {
+        RuntimeHints hints = new RuntimeHints();
+        new VaadinHintsRegistrar().registerHints(hints,
+                getClass().getClassLoader());
+        assertThat(RuntimeHintsPredicates.resource()
+                .forResource("vaadin-featureflags.properties")).accepts(hints);
+    }
+
+    @Test
+    void shouldRegisterDefaultI18NPropertiesFiles() {
+        RuntimeHints hints = new RuntimeHints();
+        new VaadinHintsRegistrar().registerHints(hints,
+                getClass().getClassLoader());
+        assertThat(RuntimeHintsPredicates.resource()
+                .forResource("vaadin-i18n/translations.properties"))
+                .accepts(hints);
+        assertThat(RuntimeHintsPredicates.resource()
+                .forResource("vaadin-i18n/translations_en.properties"))
+                .accepts(hints);
+        assertThat(RuntimeHintsPredicates.resource()
+                .forResource("vaadin-i18n/translations_it_IT.properties"))
+                .accepts(hints);
+    }
+
+    @Test
+    void shouldRegisterFlowServerStaticResources() {
+        RuntimeHints hints = new RuntimeHints();
+        new VaadinHintsRegistrar().registerHints(hints,
+                getClass().getClassLoader());
+        assertThat(RuntimeHintsPredicates.resource()
+                .forResource("com/vaadin/flow/router/NoRoutesError_dev.html"))
+                .accepts(hints);
+        assertThat(RuntimeHintsPredicates.resource()
+                .forResource("com/vaadin/flow/server/BootstrapHandler.js"))
+                .accepts(hints);
+        assertThat(RuntimeHintsPredicates.resource()
+                .forResource("com/vaadin/flow/server/frontend/index.ts"))
+                .accepts(hints);
+    }
+
+}