class MenuUiLanguageTest

class MenuUiLanguageTest extends BrowserTestBase {
    use MenuUiTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'language',
        'menu_link_content',
        'menu_ui',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->drupalLogin($this->drupalCreateUser([
            'access administration pages',
            'administer menu',
        ]));
        // Add some custom languages.
        foreach ([
            'aa',
            'bb',
            'cc',
            'cs',
        ] as $language_code) {
            ConfigurableLanguage::create([
                'id' => $language_code,
                'label' => $this->randomMachineName(),
            ])
                ->save();
        }
    }
    
    /**
     * Tests menu language settings and the defaults for menu link items.
     */
    public function testMenuLanguage() : void {
        // Create a test menu to test the various language-related settings.
        // Machine name has to be lowercase.
        $menu_name = $this->randomMachineName(16);
        $label = $this->randomString();
        $edit = [
            'id' => $menu_name,
            'description' => '',
            'label' => $label,
            'langcode' => 'aa',
        ];
        $this->drupalGet('admin/structure/menu/add');
        $this->submitForm($edit, 'Save');
        ContentLanguageSettings::loadByEntityTypeBundle('menu_link_content', 'menu_link_content')->setDefaultLangcode('bb')
            ->setLanguageAlterable(TRUE)
            ->save();
        // Check menu language.
        $this->assertTrue($this->assertSession()
            ->optionExists('edit-langcode', $edit['langcode'])
            ->isSelected());
        // Test menu link language.
        $link_path = '/';
        // Add a menu link.
        $link_title = $this->randomString();
        $edit = [
            'title[0][value]' => $link_title,
            'link[0][uri]' => $link_path,
        ];
        $this->drupalGet("admin/structure/menu/manage/{$menu_name}/add");
        $this->submitForm($edit, 'Save');
        // Check the link was added with the correct menu link default language.
        $menu_links = \Drupal::entityTypeManager()->getStorage('menu_link_content')
            ->loadByProperties([
            'title' => $link_title,
        ]);
        $menu_link = reset($menu_links);
        $this->assertMenuLink([
            'menu_name' => $menu_name,
            'route_name' => '<front>',
            'langcode' => 'bb',
        ], $menu_link->getPluginId());
        // Edit menu link default, changing it to cc.
        ContentLanguageSettings::loadByEntityTypeBundle('menu_link_content', 'menu_link_content')->setDefaultLangcode('cc')
            ->setLanguageAlterable(TRUE)
            ->save();
        // Add a menu link.
        $link_title = $this->randomString();
        $edit = [
            'title[0][value]' => $link_title,
            'link[0][uri]' => $link_path,
        ];
        $this->drupalGet("admin/structure/menu/manage/{$menu_name}/add");
        $this->submitForm($edit, 'Save');
        // Check the link was added with the correct new menu link default language.
        $menu_links = \Drupal::entityTypeManager()->getStorage('menu_link_content')
            ->loadByProperties([
            'title' => $link_title,
        ]);
        $menu_link = reset($menu_links);
        $this->assertMenuLink([
            'menu_name' => $menu_name,
            'route_name' => '<front>',
            'langcode' => 'cc',
        ], $menu_link->getPluginId());
        // Now change the language of the new link to 'bb'.
        $edit = [
            'langcode[0][value]' => 'bb',
        ];
        $this->drupalGet('admin/structure/menu/item/' . $menu_link->id() . '/edit');
        $this->submitForm($edit, 'Save');
        $this->assertMenuLink([
            'menu_name' => $menu_name,
            'route_name' => '<front>',
            'langcode' => 'bb',
        ], $menu_link->getPluginId());
        // Saving menu link items ends up on the edit menu page. To check the menu
        // link has the correct language default on edit, go to the menu link edit
        // page first.
        $this->drupalGet('admin/structure/menu/item/' . $menu_link->id() . '/edit');
        // Check that the language selector has the correct default value.
        $this->assertTrue($this->assertSession()
            ->optionExists('edit-langcode-0-value', 'bb')
            ->isSelected());
        // Edit menu to hide the language select on menu link item add.
        ContentLanguageSettings::loadByEntityTypeBundle('menu_link_content', 'menu_link_content')->setDefaultLangcode('cc')
            ->setLanguageAlterable(FALSE)
            ->save();
        // Check that the language selector is not available on menu link add page.
        $this->drupalGet("admin/structure/menu/manage/{$menu_name}/add");
        $this->assertSession()
            ->fieldNotExists('edit-langcode-0-value');
    }

}