function BreadcrumbTest::testBreadCrumbs

Tests breadcrumbs on node and administrative paths.

File

core/modules/system/tests/src/Functional/Menu/BreadcrumbTest.php, line 68

Class

BreadcrumbTest

Tests breadcrumbs functionality.

Namespace

Code

public function testBreadCrumbs() {
    // Prepare common base breadcrumb elements.
    $home = [
        '' => 'Home',
    ];
    $admin = $home + [
        'admin' => t('Administration'),
    ];
    $config = $admin + [
        'admin/config' => t('Configuration'),
    ];
    $type = 'article';
    // Verify Taxonomy administration breadcrumbs.
    $trail = $admin + [
        'admin/structure' => t('Structure'),
    ];
    $this->assertBreadcrumb('admin/structure/taxonomy', $trail);
    $trail += [
        'admin/structure/taxonomy' => t('Taxonomy'),
    ];
    $this->assertBreadcrumb('admin/structure/taxonomy/manage/tags', $trail);
    $trail += [
        'admin/structure/taxonomy/manage/tags' => t('Edit Tags'),
    ];
    $this->assertBreadcrumb('admin/structure/taxonomy/manage/tags/overview', $trail);
    $this->assertBreadcrumb('admin/structure/taxonomy/manage/tags/add', $trail);
    // Verify Menu administration breadcrumbs.
    $trail = $admin + [
        'admin/structure' => t('Structure'),
    ];
    $this->assertBreadcrumb('admin/structure/menu', $trail);
    $trail += [
        'admin/structure/menu' => t('Menus'),
    ];
    $this->assertBreadcrumb('admin/structure/menu/manage/tools', $trail);
    $trail += [
        'admin/structure/menu/manage/tools' => t('Tools'),
    ];
    $this->assertBreadcrumb("admin/structure/menu/link/node.add_page/edit", $trail);
    $this->assertBreadcrumb('admin/structure/menu/manage/tools/add', $trail);
    // Verify Node administration breadcrumbs.
    $trail = $admin + [
        'admin/structure' => t('Structure'),
        'admin/structure/types' => t('Content types'),
    ];
    $this->assertBreadcrumb('admin/structure/types/add', $trail);
    $this->assertBreadcrumb("admin/structure/types/manage/{$type}", $trail);
    $trail += [
        "admin/structure/types/manage/{$type}" => t('Article'),
    ];
    $this->assertBreadcrumb("admin/structure/types/manage/{$type}/fields", $trail);
    $this->assertBreadcrumb("admin/structure/types/manage/{$type}/display", $trail);
    $trail_teaser = $trail + [
        "admin/structure/types/manage/{$type}/display" => t('Manage display'),
    ];
    $this->assertBreadcrumb("admin/structure/types/manage/{$type}/display/teaser", $trail_teaser);
    $this->assertBreadcrumb("admin/structure/types/manage/{$type}/delete", $trail);
    $trail += [
        "admin/structure/types/manage/{$type}/fields" => t('Manage fields'),
    ];
    $this->assertBreadcrumb("admin/structure/types/manage/{$type}/fields/node.{$type}.body", $trail);
    // Verify Filter text format administration breadcrumbs.
    $filter_formats = filter_formats();
    $format = reset($filter_formats);
    $format_id = $format->id();
    $trail = $config + [
        'admin/config/content' => t('Content authoring'),
    ];
    $this->assertBreadcrumb('admin/config/content/formats', $trail);
    $trail += [
        'admin/config/content/formats' => t('Text formats and editors'),
    ];
    $this->assertBreadcrumb('admin/config/content/formats/add', $trail);
    $this->assertBreadcrumb("admin/config/content/formats/manage/{$format_id}", $trail);
    // @todo Remove this part once we have a _title_callback, see
    //   https://www.drupal.org/node/2076085.
    $trail += [
        "admin/config/content/formats/manage/{$format_id}" => $format->label(),
    ];
    $this->assertBreadcrumb("admin/config/content/formats/manage/{$format_id}/disable", $trail);
    // Verify node breadcrumbs (without menu link).
    $node1 = $this->drupalCreateNode();
    $nid1 = $node1->id();
    $trail = $home;
    $this->assertBreadcrumb("node/{$nid1}", $trail);
    // Also verify that the node does not appear elsewhere (e.g., menu trees).
    $this->assertSession()
        ->linkNotExists($node1->getTitle());
    // Also verify that the node does not appear elsewhere (e.g., menu trees).
    $this->assertSession()
        ->linkNotExists($node1->getTitle());
    $trail += [
        "node/{$nid1}" => $node1->getTitle(),
    ];
    $this->assertBreadcrumb("node/{$nid1}/edit", $trail);
    // Verify that breadcrumb on node listing page contains "Home" only.
    $trail = [];
    $this->assertBreadcrumb('node', $trail);
    // Verify node breadcrumbs (in menu).
    // Do this separately for Main menu and Tools menu, since only the
    // latter is a preferred menu by default.
    // @todo Also test all themes? Manually testing led to the suspicion that
    //   breadcrumbs may differ, possibly due to theme overrides.
    $menus = [
        'main',
        'tools',
    ];
    // Alter node type menu settings.
    $node_type = NodeType::load($type);
    $node_type->setThirdPartySetting('menu_ui', 'available_menus', $menus);
    $node_type->setThirdPartySetting('menu_ui', 'parent', 'tools:');
    $node_type->save();
    foreach ($menus as $menu) {
        // Create a parent node in the current menu.
        $title = $this->randomMachineName();
        $node2 = $this->drupalCreateNode([
            'type' => $type,
            'title' => $title,
            'menu' => [
                'enabled' => 1,
                'title' => 'Parent ' . $title,
                'description' => '',
                'menu_name' => $menu,
                'parent' => '',
            ],
        ]);
        if ($menu == 'tools') {
            $parent = $node2;
        }
    }
    // Create a Tools menu link for 'node', move the last parent node menu
    // link below it, and verify a full breadcrumb for the last child node.
    $menu = 'tools';
    $edit = [
        'title[0][value]' => 'Root',
        'link[0][uri]' => '/node',
    ];
    $this->drupalPostForm("admin/structure/menu/manage/{$menu}/add", $edit, t('Save'));
    $menu_links = \Drupal::entityTypeManager()->getStorage('menu_link_content')
        ->loadByProperties([
        'title' => 'Root',
    ]);
    $link = reset($menu_links);
    $edit = [
        'menu[menu_parent]' => $link->getMenuName() . ':' . $link->getPluginId(),
    ];
    $this->drupalPostForm('node/' . $parent->id() . '/edit', $edit, t('Save'));
    $expected = [
        "node" => $link->getTitle(),
    ];
    $trail = $home + $expected;
    $tree = $expected + [
        'node/' . $parent->id() => $parent->menu['title'],
    ];
    $trail += [
        'node/' . $parent->id() => $parent->menu['title'],
    ];
    // Add a taxonomy term/tag to last node, and add a link for that term to the
    // Tools menu.
    $tags = [
        'Drupal' => [],
        'Breadcrumbs' => [],
    ];
    $edit = [
        'field_tags[target_id]' => implode(',', array_keys($tags)),
    ];
    $this->drupalPostForm('node/' . $parent->id() . '/edit', $edit, t('Save'));
    // Put both terms into a hierarchy Drupal » Breadcrumbs. Required for both
    // the menu links and the terms itself, since taxonomy_term_page() resets
    // the breadcrumb based on taxonomy term hierarchy.
    $parent_tid = 0;
    foreach ($tags as $name => $null) {
        $terms = \Drupal::entityTypeManager()->getStorage('taxonomy_term')
            ->loadByProperties([
            'name' => $name,
        ]);
        $term = reset($terms);
        $tags[$name]['term'] = $term;
        if ($parent_tid) {
            $edit = [
                'parent[]' => [
                    $parent_tid,
                ],
            ];
            $this->drupalPostForm("taxonomy/term/{$term->id()}/edit", $edit, t('Save'));
        }
        $parent_tid = $term->id();
    }
    $parent_mlid = '';
    foreach ($tags as $name => $data) {
        $term = $data['term'];
        $edit = [
            'title[0][value]' => "{$name} link",
            'link[0][uri]' => "/taxonomy/term/{$term->id()}",
            'menu_parent' => "{$menu}:{$parent_mlid}",
            'enabled[value]' => 1,
        ];
        $this->drupalPostForm("admin/structure/menu/manage/{$menu}/add", $edit, t('Save'));
        $menu_links = \Drupal::entityTypeManager()->getStorage('menu_link_content')
            ->loadByProperties([
            'title' => $edit['title[0][value]'],
            'link.uri' => 'internal:/taxonomy/term/' . $term->id(),
        ]);
        $tags[$name]['link'] = reset($menu_links);
        $parent_mlid = $tags[$name]['link']->getPluginId();
    }
    // Verify expected breadcrumbs for menu links.
    $trail = $home;
    $tree = [];
    // Logout the user because we want to check the active class as well, which
    // is just rendered as anonymous user.
    $this->drupalLogout();
    foreach ($tags as $name => $data) {
        $term = $data['term'];
        
        /** @var \Drupal\menu_link_content\MenuLinkContentInterface $link */
        $link = $data['link'];
        $link_path = $link->getUrlObject()
            ->getInternalPath();
        $tree += [
            $link_path => $link->getTitle(),
        ];
        $this->assertBreadcrumb($link_path, $trail, $term->getName(), $tree);
        // Ensure that the tagged node is found.
        $this->assertEscaped($parent->getTitle());
        // Additionally make sure that this link appears only once; i.e., the
        // untranslated menu links automatically generated from menu router items
        // ('taxonomy/term/%') should never be translated and appear in any menu
        // other than the breadcrumb trail.
        $elements = $this->xpath('//nav[@id=:menu]/descendant::a[@href=:href]', [
            ':menu' => 'block-bartik-tools',
            ':href' => Url::fromUri('base:' . $link_path)->toString(),
        ]);
        $this->assertCount(1, $elements, "Link to {$link_path} appears only once.");
        // Next iteration should expect this tag as parent link.
        // Note: Term name, not link name, due to taxonomy_term_page().
        $trail += [
            $link_path => $term->getName(),
        ];
    }
    // Verify breadcrumbs on user and user/%.
    // We need to log back in and out below, and cannot simply grant the
    // 'administer users' permission, since user_page() makes your head explode.
    user_role_grant_permissions(RoleInterface::ANONYMOUS_ID, [
        'access user profiles',
    ]);
    // Verify breadcrumb on front page.
    $this->assertBreadcrumb('<front>', []);
    // Verify breadcrumb on user pages (without menu link) for anonymous user.
    $trail = $home;
    $this->assertBreadcrumb('user', $trail, t('Log in'));
    $this->assertBreadcrumb('user/' . $this->adminUser
        ->id(), $trail, $this->adminUser
        ->getAccountName());
    // Verify breadcrumb on user pages (without menu link) for registered users.
    $this->drupalLogin($this->adminUser);
    $trail = $home;
    $this->assertBreadcrumb('user', $trail, $this->adminUser
        ->getAccountName());
    $this->assertBreadcrumb('user/' . $this->adminUser
        ->id(), $trail, $this->adminUser
        ->getAccountName());
    $trail += [
        'user/' . $this->adminUser
            ->id() => $this->adminUser
            ->getAccountName(),
    ];
    $this->assertBreadcrumb('user/' . $this->adminUser
        ->id() . '/edit', $trail, $this->adminUser
        ->getAccountName());
    // Create a second user to verify breadcrumb on user pages again.
    $this->webUser = $this->drupalCreateUser([
        'administer users',
        'access user profiles',
    ]);
    $this->drupalLogin($this->webUser);
    // Verify correct breadcrumb and page title on another user's account pages.
    $trail = $home;
    $this->assertBreadcrumb('user/' . $this->adminUser
        ->id(), $trail, $this->adminUser
        ->getAccountName());
    $trail += [
        'user/' . $this->adminUser
            ->id() => $this->adminUser
            ->getAccountName(),
    ];
    $this->assertBreadcrumb('user/' . $this->adminUser
        ->id() . '/edit', $trail, $this->adminUser
        ->getAccountName());
    // Verify correct breadcrumb and page title when viewing own user account.
    $trail = $home;
    $this->assertBreadcrumb('user/' . $this->webUser
        ->id(), $trail, $this->webUser
        ->getAccountName());
    $trail += [
        'user/' . $this->webUser
            ->id() => $this->webUser
            ->getAccountName(),
    ];
    $this->assertBreadcrumb('user/' . $this->webUser
        ->id() . '/edit', $trail, $this->webUser
        ->getAccountName());
    // Create an only slightly privileged user being able to access site reports
    // but not administration pages.
    $this->webUser = $this->drupalCreateUser([
        'access site reports',
    ]);
    $this->drupalLogin($this->webUser);
    // Verify that we can access recent log entries, there is a corresponding
    // page title, and that the breadcrumb is just the Home link (because the
    // user is not able to access "Administer".
    $trail = $home;
    $this->assertBreadcrumb('admin', $trail, t('Access denied'));
    $this->assertSession()
        ->statusCodeEquals(403);
    // Since the 'admin' path is not accessible, we still expect only the Home
    // link.
    $this->assertBreadcrumb('admin/reports', $trail, t('Reports'));
    $this->assertSession()
        ->statusCodeNotEquals(403);
    // Since the Reports page is accessible, that will show.
    $trail += [
        'admin/reports' => t('Reports'),
    ];
    $this->assertBreadcrumb('admin/reports/dblog', $trail, t('Recent log messages'));
    $this->assertSession()
        ->statusCodeNotEquals(403);
    // Ensure that the breadcrumb is safe against XSS.
    $this->drupalGet('menu-test/breadcrumb1/breadcrumb2/breadcrumb3');
    $this->assertRaw('<script>alert(12);</script>');
    $this->assertEscaped('<script>alert(123);</script>');
}