Fix the rendering of HTML contents in translated help messages

src/Resources/views/crud/form_theme.html.twig

@@ -100,7 +100,7 @@
                 {% if has_input_groups %}</div>{% endif %}
 
                 {% if field.help ?? false %}
-                    <small class="form-help">{{ field.help|raw|trans(label_translation_parameters, translation_domain) }}</small>
+                    <small class="form-help">{{ field.help|trans(label_translation_parameters, translation_domain)|raw }}</small>
                 {% elseif form.vars.help ?? false %}
                     <small class="form-help">{{ form.vars.help|trans(form.vars.help_translation_parameters, form.vars.translation_domain)|raw }}</small>
                 {% endif %}

tests/Controller/FormFieldHelpControllerTest.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace EasyCorp\Bundle\EasyAdminBundle\Tests\Controller;
+
+use Doctrine\ORM\EntityRepository;
+use EasyCorp\Bundle\EasyAdminBundle\Test\AbstractCrudTestCase;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Controller\DashboardController;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Controller\FormFieldHelpController;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Entity\BlogPost;
+
+class FormFieldHelpControllerTest extends AbstractCrudTestCase
+{
+    protected EntityRepository $blogPosts;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->client->followRedirects();
+
+        $this->blogPosts = $this->entityManager->getRepository(BlogPost::class);
+    }
+
+    protected function getControllerFqcn(): string
+    {
+        return FormFieldHelpController::class;
+    }
+
+    protected function getDashboardFqcn(): string
+    {
+        return DashboardController::class;
+    }
+
+    public function testFieldsWithoutHelp()
+    {
+        $crawler = $this->client->request('GET', $this->generateNewFormUrl());
+
+        static::assertSelectorNotExists('.form-group #BlogPost_id + .form-help', 'The ID field does not define a help message.');
+
+        static::assertSelectorNotExists('.form-group #BlogPost_title + .form-help', 'The title field defines an empty string as a help message, so it does not render an HTML element for that help message.');
+
+        static::assertSelectorTextContains('.form-group #BlogPost_slug + .form-help', 'Lorem Ipsum 1', 'The slug field defines a text help message.');
+
+        static::assertSame('<b>Lorem</b> Ipsum <em class="foo">2</em>', $crawler->filter('.form-group #BlogPost_content + .form-help')->html(), 'The content field defines an help message with HTML contents, which must be rendered instead of escaped.');
+
+        static::assertSelectorTextContains('.form-group:contains("Created At") .form-help', 'Lorem Ipsum 3', 'The createdAt field defines a translatable text help message.');
+
+        static::assertSame('Lorem <a href="https://example.com">Ipsum</a> <b>4</b>', $crawler->filter('.form-group:contains("Published At") .form-help')->html(), 'The publishedAt field defines a translatable help message with HTML contents, which must be rendered instead of escaped.');
+    }
+}

tests/TestApplication/src/Controller/FormFieldHelpController.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Controller;
+
+use EasyCorp\Bundle\EasyAdminBundle\Controller\AbstractCrudController;
+use EasyCorp\Bundle\EasyAdminBundle\Field\DateTimeField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\IdField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\TextField;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Entity\BlogPost;
+use function Symfony\Component\Translation\t;
+
+/**
+ * Used to test the ->setHelp() method of fields and how that
+ * help message is rendered in the form.
+ */
+class FormFieldHelpController extends AbstractCrudController
+{
+    public static function getEntityFqcn(): string
+    {
+        return BlogPost::class;
+    }
+
+    public function configureFields(string $pageName): iterable
+    {
+        return [
+            IdField::new('id'), // this field doesn't define a help message on purpose
+            TextField::new('title')->setHelp(''),
+            TextField::new('slug')->setHelp('Lorem Ipsum 1'),
+            TextField::new('content')->setHelp('<b>Lorem</b> Ipsum <em class="foo">2</em>'),
+            DateTimeField::new('createdAt')->setHelp(t('Lorem Ipsum 3')),
+            DateTimeField::new('publishedAt')->setHelp(t('Lorem <a href="https://example.com">Ipsum</a> <b>4</b>')),
+        ];
+    }
+}