OEL-450: Theme the site branding block.

templates/overrides/navigation/block--system-branding-block.html.twig

@@ -0,0 +1,30 @@
+{% extends "block.html.twig" %}
+{#
+/**
+ * @file
+ * Theme override for a branding block.
+ *
+ * Each branding element variable (logo, name, slogan) is only available if
+ * enabled in the block configuration.
+ *
+ * Available variables:
+ * - site_logo: Logo for site as defined in Appearance or theme settings.
+ * - site_name: Name for site as defined in Site information settings.
+ * - site_slogan: Slogan for site as defined in Site information settings.
+ */
+#}
+{% block content %}
+  {% if site_logo %}
+    <a href="{{ path('<front>') }}" rel="home" class="site-logo">
+      <img src="{{ site_logo }}" alt="{{ 'Home'|t }}" />
+    </a>
+  {% endif %}
+  {% if site_name %}
+    <div class="site-name h1 text-white text-decoration-none align-bottom">
+      <a href="{{ path('<front>') }}" rel="home">{{ site_name }}</a>
+    </div>
+  {% endif %}
+  {% if site_slogan %}
+    <div class="site-slogan">{{ site_slogan }}</div>
+  {% endif %}
+{% endblock %}

tests/Functional/SiteBrandingBlockTest.php

@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Drupal\Tests\oe_whitelabel\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests of Site Branding Block.
+ */
+class SiteBrandingBlockTest extends BrowserTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = [
+    'config',
+    'system',
+    'ui_patterns',
+    'ui_patterns_library',
+    'ui_patterns_settings',
+    'components',
+    'field',
+    'field_ui',
+    'toolbar',
+    'block',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    parent::setUp();
+
+    // Enable and set OpenEuropa Whitelabel Theme as default.
+    \Drupal::service('theme_installer')->install(['oe_whitelabel']);
+    \Drupal::configFactory()
+      ->getEditable('system.theme')
+      ->set('default', 'oe_whitelabel')
+      ->save();
+
+    /* Rebuild the ui_pattern definitions to collect the ones provided by
+    oe_whitelabel itself. */
+    \Drupal::service('plugin.manager.ui_patterns')->clearCachedDefinitions();
+
+    // Ensure that the system branding block is placed as well.
+    $this->drupalPlaceBlock('system_branding_block', [
+      'region' => 'header',
+    ]);
+
+  }
+
+  /**
+   * Asserts classes contained at site branding block.
+   */
+  public function testClassesSiteName(): void {
+    $this->drupalGet('<front>');
+    $assert_session = $this->assertSession();
+    $assert_session->elementExists('css', 'div.site-name.h1.text-white.text-decoration-none.align-bottom');
+  }
+
+}