Issue #3110669 by quietone, ravi.shankar, Gábor Hojtsy, catch, xjm, daffie:...

Issue #3110669 by quietone, ravi.shankar, Gábor Hojtsy, catch, xjm, daffie: Migrate d7 menu language content settings

core/modules/language/migrations/d7_language_content_menu_settings.yml

+id: d7_language_content_menu_settings
+label: Drupal 7 language content menu settings
+migration_tags:
+  - Drupal 7
+  - Configuration
+source:
+  plugin: extension
+  name: i18n_menu
+  constants:
+    target_type: menu_link_content
+    langcode: site_default
+    enabled: true
+    hide: 0
+process:
+  target_entity_type_id: constants/target_type
+  # menu_link_content has a bundle key but no bundle support so use the entity
+  # type as the bundle.
+  target_bundle: constants/target_type
+  default_langcode: constants/langcode
+  # Drupal 7 menus are translated when the i18n_menu module is enabled.
+  language_alterable: status
+  third_party_settings/content_translation/enabled: constants/enabled
+  third_party_settings/content_translation/bundle_settings/untranslatable_fields_hide: constants/hide
+destination:
+  plugin: entity:language_content_settings

core/modules/language/migrations/state/language.migrate_drupal.yml

@@ -8,6 +8,9 @@ finished:
     taxonomy: language
   7:
     i18n_taxonomy: language
+    i18n_menu:
+      - language
     locale:
       - language
       - system
+    system: language

core/modules/language/tests/src/Kernel/Migrate/d7/MigrateLanguageContentMenuSettingsTest.php

+<?php
+
+namespace Drupal\Tests\language\Kernel\Migrate\d7;
+
+use Drupal\language\Entity\ContentLanguageSettings;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\Tests\migrate_drupal\Kernel\d7\MigrateDrupal7TestBase;
+
+/**
+ * Tests migration of i18n_menu settings.
+ *
+ * @group migrate_drupal_7
+ */
+class MigrateLanguageContentMenuSettingsTest extends MigrateDrupal7TestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = [
+    'content_translation',
+    'language',
+    'link',
+    'menu_link_content',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    parent::setUp();
+    $this->installEntitySchema('menu_link_content');
+    $this->executeMigrations([
+      'language',
+      'd7_menu',
+      'd7_language_content_menu_settings',
+    ]);
+  }
+
+  /**
+   * Tests migration of menu translation ability.
+   */
+  public function testLanguageContentMenu() {
+    $config = ContentLanguageSettings::load('menu_link_content.menu_link_content');
+    $this->assertInstanceOf(ContentLanguageSettings::class, $config);
+    $this->assertSame('menu_link_content', $config->getTargetEntityTypeId());
+    $this->assertSame('menu_link_content', $config->getTargetBundle());
+    $this->assertSame(LanguageInterface::LANGCODE_SITE_DEFAULT, $config->getDefaultLangcode());
+    $this->assertSame(TRUE, $config->isLanguageAlterable());
+    $settings = [
+      'enabled' => TRUE,
+      'bundle_settings' => [
+        'untranslatable_fields_hide' => '0',
+      ],
+    ];
+    $this->assertSame($settings, $config->getThirdPartySettings('content_translation'));
+  }
+
+}

core/modules/migrate_drupal_ui/tests/src/Functional/d7/Upgrade7Test.php

@@ -92,7 +92,7 @@ protected function getEntityCounts() {
       'file' => 3,
       'filter_format' => 7,
       'image_style' => 7,
-      'language_content_settings' => 20,
+      'language_content_settings' => 21,
       'node' => 7,
       'node_type' => 7,
       'rdf_mapping' => 8,
@@ -200,6 +200,7 @@ protected function getMissingPaths() {
       'Field translation',
       'Internationalization',
       'Locale',
+      'Menu translation',
       'String translation',
       'Taxonomy translation',
       'Translation sets',