Add LiveComponentMetadataFactory union type test

Author: kevinmade

src/LiveComponent/tests/Fixtures/Component/WithUnionType.php

@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\UX\LiveComponent\Tests\Fixtures\Component;
+
+use Symfony\UX\LiveComponent\Attribute\AsLiveComponent;
+use Symfony\UX\LiveComponent\Attribute\LiveProp;
+use Symfony\UX\LiveComponent\DefaultActionTrait;
+
+#[AsLiveComponent('with_union_type')]
+final class WithUnionType
+{
+    use DefaultActionTrait;
+
+    #[LiveProp]
+    public int|float|null $unionProp = null;
+}

src/LiveComponent/tests/Functional/Metadata/LiveComponentMetadataFactoryTest.php

@@ -12,9 +12,11 @@
 namespace Symfony\UX\LiveComponent\Tests\Functional\Metadata;
 
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+use Symfony\Component\TypeInfo\Type;
 use Symfony\UX\LiveComponent\Metadata\LiveComponentMetadataFactory;
 use Symfony\UX\LiveComponent\Metadata\UrlMapping;
 use Symfony\UX\LiveComponent\Tests\Fixtures\Component\ComponentWithUrlBoundProps;
+use Symfony\UX\LiveComponent\Tests\Fixtures\Component\WithUnionType;
 
 class LiveComponentMetadataFactoryTest extends KernelTestCase
 {
@@ -42,4 +44,20 @@ public function testQueryStringMapping()
         $this->assertEquals(new UrlMapping(as: 'q'), $propsMetadataByName['boundPropWithAlias']->urlMapping());
         $this->assertNotNull($propsMetadataByName['boundPropWithCustomAlias']);
     }
+
+    public function testLivePropUnionType()
+    {
+        /** @var LiveComponentMetadataFactory $metadataFactory */
+        $metadataFactory = self::getContainer()->get('ux.live_component.metadata_factory');
+
+        $class = new \ReflectionClass(WithUnionType::class);
+        $propsMetadata = $metadataFactory->createPropMetadatas($class);
+
+        $propsMetadataByName = [];
+        foreach ($propsMetadata as $propMetadata) {
+            $propsMetadataByName[$propMetadata->getName()] = $propMetadata;
+        }
+
+        $this->assertEquals(Type::mixed(), $propsMetadataByName['unionProp']->getType());
+    }
 }