From 268b2df6920db5d76189ac485e919a50d1e5f51a Mon Sep 17 00:00:00 2001
From: Alexander Hofbauer <a.hofbauer@fify.at>
Date: Mon, 13 May 2024 14:25:26 +0200
Subject: [PATCH] [LiveComponent] Tests class merging with whitespaces

---
 .../LiveController/LiveControllerTest.php     | 29 +++++++++++++++
 .../src/Twig/Component/WhitespaceClasses.php  | 35 +++++++++++++++++++
 .../components/whitespace_classes.html.twig   | 21 +++++++++++
 .../templates/whitespace_classes.html.twig    |  5 +++
 4 files changed, 90 insertions(+)
 create mode 100644 src/LiveComponent/tests/Integration/LiveController/LiveControllerTest.php
 create mode 100644 src/LiveComponent/tests/app/src/Twig/Component/WhitespaceClasses.php
 create mode 100644 src/LiveComponent/tests/app/templates/components/whitespace_classes.html.twig
 create mode 100644 src/LiveComponent/tests/app/templates/whitespace_classes.html.twig

diff --git a/src/LiveComponent/tests/Integration/LiveController/LiveControllerTest.php b/src/LiveComponent/tests/Integration/LiveController/LiveControllerTest.php
new file mode 100644
index 00000000000..bb59fc4fe31
--- /dev/null
+++ b/src/LiveComponent/tests/Integration/LiveController/LiveControllerTest.php
@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\UX\LiveComponent\Tests\Integration\LiveController;
+
+use Symfony\Component\Panther\PantherTestCase;
+
+/**
+ * @author Alexander Hofbauer <alex@derhofbauer.at>
+ */
+class LiveControllerTest extends PantherTestCase
+{
+    public function testWhitespaceClasses(): void
+    {
+        $client = self::createPantherClient();
+        $client->request('GET', '/whitespace-classes');
+        $client->clickLink('Remove class and render');
+
+        self::assertSelectorAttributeContains('p[id="content"]', 'class', 'second new');
+    }
+}
diff --git a/src/LiveComponent/tests/app/src/Twig/Component/WhitespaceClasses.php b/src/LiveComponent/tests/app/src/Twig/Component/WhitespaceClasses.php
new file mode 100644
index 00000000000..4ab0a1d2cc7
--- /dev/null
+++ b/src/LiveComponent/tests/app/src/Twig/Component/WhitespaceClasses.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Twig\Component;
+
+use Symfony\UX\LiveComponent\Attribute\AsLiveComponent;
+use Symfony\UX\LiveComponent\Attribute\LiveAction;
+use Symfony\UX\LiveComponent\Attribute\LiveProp;
+use Symfony\UX\LiveComponent\DefaultActionTrait;
+
+/**
+ * @author Alexander Hofbauer <alex@derhofbauer.at>
+ */
+#[AsLiveComponent('whitespace_classes')]
+final class WhitespaceClasses
+{
+    use DefaultActionTrait;
+
+    #[LiveProp]
+    public string $class = 'third';
+
+    #[LiveAction]
+    public function click(): void
+    {
+        $this->class = 'new';
+    }
+}
diff --git a/src/LiveComponent/tests/app/templates/components/whitespace_classes.html.twig b/src/LiveComponent/tests/app/templates/components/whitespace_classes.html.twig
new file mode 100644
index 00000000000..4085b35c3e5
--- /dev/null
+++ b/src/LiveComponent/tests/app/templates/components/whitespace_classes.html.twig
@@ -0,0 +1,21 @@
+<div{{ attributes }}>
+    <p
+        id="content"
+        class="
+            first
+            second
+            {{ class }}
+        "
+    >
+        <span>Class: {{ class }}</span>
+    </p>
+
+    <a
+        href="#"
+        data-action="live#action"
+        data-live-action-param="click"
+        onclick="document.querySelector('p').classList.remove('first')"
+    >
+        Remove class and render
+    </a>
+</div>
diff --git a/src/LiveComponent/tests/app/templates/whitespace_classes.html.twig b/src/LiveComponent/tests/app/templates/whitespace_classes.html.twig
new file mode 100644
index 00000000000..b24e8589496
--- /dev/null
+++ b/src/LiveComponent/tests/app/templates/whitespace_classes.html.twig
@@ -0,0 +1,5 @@
+{% extends 'base.html.twig' %}
+
+{% block body %}
+    <twig:whitespace_classes />
+{% endblock %}