Issue #3382051 by ultimike: Add test for hook_markdown_easy_config_modify()

tests/modules/markdown_easy_hook_test/markdown_easy_hook_test.info.yml

+name: Markdown Easy hook test
+type: module
+description: Test module for Markdown Easy hooks.
+core_version_requirement: ^9 || ^10
+dependencies:
+  - markdown_easy

tests/modules/markdown_easy_hook_test/markdown_easy_hook_test.module

+<?php
+
+/**
+ * @file
+ * Primary module hooks for Markdown Easy module.
+ */
+
+declare(strict_types = 1);
+
+use League\CommonMark\CommonMarkConverter;
+use League\CommonMark\MarkdownConverter;
+
+/**
+ * Implements hook_markdown_easy_config_modify().
+ */
+function markdown_easy_hook_test_markdown_easy_config_modify(MarkdownConverter &$converter): void {
+  $converter = new CommonMarkConverter([
+    // Configure the Markdown processor to be not-so-secure.
+    'html_input' => 'allow',
+    'allow_unsafe_links' => TRUE,
+  ]);
+}

tests/src/Functional/AddEditFormatTest.php

 <?php
 
+declare(strict_types = 1);
+
 namespace Drupal\Tests\markdown_easy\Functional;
 
 use Drupal\Tests\BrowserTestBase;

tests/src/Functional/ConfigModifyHookTest.php

+<?php
+
+declare(strict_types = 1);
+
+namespace Drupal\Tests\markdown_easy\Functional;
+
+use Drupal\Core\Session\AccountInterface;
+use Drupal\filter\Entity\FilterFormat;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Test that the Markdown processor config is overrridable.
+ *
+ * @group markdown_easy
+ */
+final class ConfigModifyHookTest extends BrowserTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'markdown_easy_hook_test',
+    'node',
+    'field',
+    'filter',
+    'text',
+  ];
+
+  /**
+   * A user with admin permissions.
+   *
+   * @var \Drupal\Core\Session\AccountInterface
+   */
+  protected AccountInterface $adminUser;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    parent::setUp();
+
+    $this->createContentType(['type' => 'article', 'name' => 'Article']);
+
+    $this->adminUser = $this->drupalCreateUser();
+    $this->adminUser->addRole($this->createAdminRole('admin', 'admin'));
+    $this->adminUser->save();
+    $this->drupalLogin($this->adminUser);
+
+    $test_standard_markdown_format = FilterFormat::create([
+      'format' => 'test_standard_markdown',
+      'name' => 'Test Standard Markdown format',
+      'weight' => 1,
+      'filters' => [
+        'filter_autop' => [
+          'status' => TRUE,
+          'weight' => 1,
+        ],
+        'markdown_easy' => [
+          'status' => TRUE,
+          'weight' => 0,
+          'settings' => [
+            'flavor' => 'standard',
+          ],
+        ],
+      ],
+    ]);
+    $test_standard_markdown_format->save();
+
+    $this->drupalCreateNode([
+      'title' => $this->randomString(),
+      'id' => 1,
+      'type' => 'article',
+      'body' => [
+        'value' => '**This should be strong.** <a href="javascript:alert(\'xss\')">)I am a bad link.</a> _This is emphasized._ <p>Did I sneak in?</p> ~This is struck.~',
+        'format' => 'test_standard_markdown',
+      ],
+    ])->save();
+  }
+
+  /**
+   * Test that the library config can be overridden.
+   *
+   * @test
+   */
+  public function testOverrideMarkdownLibraryConfig(): void {
+    $session = $this->assertSession();
+    $this->drupalGet('/node/1');
+    $session->statusCodeEquals(200);
+    $session->elementExists('css', 'strong:contains("This should be strong.")');
+    $session->elementExists('css', 'em:contains("This is emphasized.")');
+    $session->elementNotExists('css', 'del:contains("This is struck.")');
+    $session->elementExists('css', 'a:contains("I am a bad link.")');
+    $session->elementExists('css', 'p:contains("Did I sneak in?")');
+  }
+
+}