Adding test and clarifying lofic

Author: weaverryan

src/LiveComponent/src/Util/LiveFormUtility.php

@@ -45,7 +45,7 @@ public static function removePathsNotInData(array $paths, array $data): array
 
     public static function doesFormContainAnyErrors(FormView $formView): bool
     {
-        if ($formView->vars['errors'] ?? null && \count($formView->vars['errors']) > 0) {
+        if (($formView->vars['errors'] ?? null) && \count($formView->vars['errors']) > 0) {
             return true;
         }
 

src/LiveComponent/tests/Unit/Util/LiveFormUtilityTest.php

@@ -12,6 +12,7 @@
 namespace Symfony\UX\LiveComponent\Tests\Unit\Util;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\Form\FormView;
 use Symfony\UX\LiveComponent\Util\LiveFormUtility;
 
 final class LiveFormUtilityTest extends TestCase
@@ -55,4 +56,50 @@ public function getPathsTests(): iterable
             ['name', 'posts.1.title'],
         ];
     }
+
+    /**
+     * @dataProvider provideFormContainsAnyErrorsTests
+     */
+    public function testDoesFormContainAnyErrors(FormView $formView, bool $expected)
+    {
+        $this->assertSame($expected, LiveFormUtility::doesFormContainAnyErrors($formView));
+    }
+
+    public function provideFormContainsAnyErrorsTests()
+    {
+        yield 'no_errors_key' => [
+            new FormView(),
+            false,
+        ];
+
+        $view = new FormView();
+        $view->vars['errors'] = [];
+        yield 'error_is_empty' => [
+            $view,
+            false,
+        ];
+
+        $view2 = new FormView();
+        $view2->vars['errors'] = ['error'];
+        yield 'error_is_not_empty' => [
+            $view2,
+            true,
+        ];
+
+        $view3 = new FormView();
+        $view3->children[] = new FormView();
+        yield 'error_is_empty_in_children' => [
+            $view3,
+            false,
+        ];
+
+        $view4 = new FormView();
+        $childView = new FormView();
+        $childView->vars['errors'] = ['error'];
+        $view4->children[] = $childView;
+        yield 'error_is_not_empty_in_children' => [
+            $view4,
+            true,
+        ];
+    }
 }