class MenuRouterTest

class MenuRouterTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'block',
        'menu_test',
        'test_page_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Name of the administrative theme to use for tests.
     *
     * @var string
     */
    protected $adminTheme;
    protected function setUp() {
        // Enable dummy module that implements hook_menu.
        parent::setUp();
        $this->drupalPlaceBlock('system_menu_block:tools');
        $this->drupalPlaceBlock('local_tasks_block');
        $this->drupalPlaceBlock('page_title_block');
    }
    
    /**
     * Tests menu integration.
     */
    public function testMenuIntegration() {
        $this->doTestTitleMenuCallback();
        $this->doTestMenuOptionalPlaceholders();
        $this->doTestMenuHierarchy();
        $this->doTestMenuOnRoute();
        $this->doTestMenuName();
        $this->doTestMenuLinksDiscoveredAlter();
        $this->doTestHookMenuIntegration();
        $this->doTestExoticPath();
    }
    
    /**
     * Test local tasks with route placeholders.
     */
    protected function doTestHookMenuIntegration() {
        // Generate base path with random argument.
        $machine_name = $this->randomMachineName(8);
        $base_path = 'foo/' . $machine_name;
        $this->drupalGet($base_path);
        // Confirm correct controller activated.
        $this->assertText('test1');
        // Confirm local task links are displayed.
        $this->assertSession()
            ->linkExists('Local task A');
        $this->assertSession()
            ->linkExists('Local task B');
        $this->assertSession()
            ->linkNotExists('Local task C');
        $this->assertEscaped("<script>alert('Welcome to the jungle!')</script>");
        // Confirm correct local task href.
        $this->assertLinkByHref(Url::fromRoute('menu_test.router_test1', [
            'bar' => $machine_name,
        ])->toString());
        $this->assertLinkByHref(Url::fromRoute('menu_test.router_test2', [
            'bar' => $machine_name,
        ])->toString());
    }
    
    /**
     * Test title callback set to FALSE.
     */
    protected function doTestTitleCallbackFalse() {
        $this->drupalGet('test-page');
        $this->assertText('A title with @placeholder', 'Raw text found on the page');
        $this->assertNoText(t('A title with @placeholder', [
            '@placeholder' => 'some other text',
        ]), 'Text with placeholder substitutions not found.');
    }
    
    /**
     * Tests page title of MENU_CALLBACKs.
     */
    protected function doTestTitleMenuCallback() {
        // Verify that the menu router item title is not visible.
        $this->drupalGet('');
        $this->assertNoText(t('Menu Callback Title'));
        // Verify that the menu router item title is output as page title.
        $this->drupalGet('menu_callback_title');
        $this->assertText(t('Menu Callback Title'));
    }
    
    /**
     * Tests menu item descriptions.
     */
    protected function doTestDescriptionMenuItems() {
        // Verify that the menu router item title is output as page title.
        $this->drupalGet('menu_callback_description');
        $this->assertText(t('Menu item description text'));
    }
    
    /**
     * Tests for menu_name parameter for default menu links.
     */
    protected function doTestMenuName() {
        $admin_user = $this->drupalCreateUser([
            'administer site configuration',
        ]);
        $this->drupalLogin($admin_user);
        
        /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
        $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
        $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.menu_name_test');
        $menu_link = reset($menu_links);
        $this->assertEqual($menu_link->getMenuName(), 'original', 'Menu name is "original".');
        // Change the menu_name parameter in menu_test.module, then force a menu
        // rebuild.
        menu_test_menu_name('changed');
        $menu_link_manager->rebuild();
        $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.menu_name_test');
        $menu_link = reset($menu_links);
        $this->assertEqual($menu_link->getMenuName(), 'changed', 'Menu name was successfully changed after rebuild.');
    }
    
    /**
     * Tests menu links added in hook_menu_links_discovered_alter().
     */
    protected function doTestMenuLinksDiscoveredAlter() {
        // Check that machine name does not need to be defined since it is already
        // set as the key of each menu link.
        
        /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
        $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
        $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.custom');
        $menu_link = reset($menu_links);
        $this->assertEqual($menu_link->getPluginId(), 'menu_test.custom', 'Menu links added at hook_menu_links_discovered_alter() obtain the machine name from the $links key.');
        // Make sure that rebuilding the menu tree does not produce duplicates of
        // links added by hook_menu_links_discovered_alter().
        \Drupal::service('router.builder')->rebuild();
        $this->drupalGet('menu-test');
        $this->assertUniqueText('Custom link', 'Menu links added by hook_menu_links_discovered_alter() do not duplicate after a menu rebuild.');
    }
    
    /**
     * Tests for menu hierarchy.
     */
    protected function doTestMenuHierarchy() {
        
        /** @var \Drupal\Core\Menu\MenuLinkManagerInterface $menu_link_manager */
        $menu_link_manager = \Drupal::service('plugin.manager.menu.link');
        $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.hierarchy_parent');
        $parent_link = reset($menu_links);
        $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.hierarchy_parent_child');
        $child_link = reset($menu_links);
        $menu_links = $menu_link_manager->loadLinksByRoute('menu_test.hierarchy_parent_child2');
        $unattached_child_link = reset($menu_links);
        $this->assertEqual($child_link->getParent(), $parent_link->getPluginId(), 'The parent of a directly attached child is correct.');
        $this->assertEqual($unattached_child_link->getParent(), $child_link->getPluginId(), 'The parent of a non-directly attached child is correct.');
    }
    
    /**
     * Test menu links that have optional placeholders.
     */
    protected function doTestMenuOptionalPlaceholders() {
        $this->drupalGet('menu-test/optional');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertText('Sometimes there is no placeholder.');
        $this->drupalGet('menu-test/optional/foobar');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertText("Sometimes there is a placeholder: 'foobar'.");
    }
    
    /**
     * Tests a menu on a router page.
     */
    protected function doTestMenuOnRoute() {
        \Drupal::service('module_installer')->install([
            'router_test',
        ]);
        \Drupal::service('router.builder')->rebuild();
        $this->resetAll();
        $this->drupalGet('router_test/test2');
        $this->assertLinkByHref('menu_no_title_callback');
        $this->assertLinkByHref('menu-title-test/case1');
        $this->assertLinkByHref('menu-title-test/case2');
        $this->assertLinkByHref('menu-title-test/case3');
    }
    
    /**
     * Test path containing "exotic" characters.
     */
    protected function doTestExoticPath() {
        // "Special" ASCII characters.
        $path = "menu-test/ -._~!\$'\"()*@[]?&+%#,;=:" . "%23%25%26%2B%2F%3F" . "éøïвβ中國書۞";
        $this->drupalGet($path);
        $this->assertRaw('This is the menuTestCallback content.');
        $this->assertNoText(t('The website encountered an unexpected error. Please try again later.'));
    }
    
    /**
     * Make sure the maintenance mode can be bypassed using an EventSubscriber.
     *
     * @see \Drupal\menu_test\EventSubscriber\MaintenanceModeSubscriber::onKernelRequestMaintenance()
     */
    public function testMaintenanceModeLoginPaths() {
        $this->container
            ->get('state')
            ->set('system.maintenance_mode', TRUE);
        $offline_message = t('@site is currently under maintenance. We should be back shortly. Thank you for your patience.', [
            '@site' => $this->config('system.site')
                ->get('name'),
        ]);
        $this->drupalGet('test-page');
        $this->assertText($offline_message);
        $this->drupalGet('menu_login_callback');
        $this->assertText('This is TestControllers::testLogin.', 'Maintenance mode can be bypassed using an event subscriber.');
        $this->container
            ->get('state')
            ->set('system.maintenance_mode', FALSE);
    }
    
    /**
     * Test that an authenticated user hitting 'user/login' gets redirected to
     * 'user' and 'user/register' gets redirected to the user edit page.
     */
    public function testAuthUserUserLogin() {
        $web_user = $this->drupalCreateUser([]);
        $this->drupalLogin($web_user);
        $this->drupalGet('user/login');
        // Check that we got to 'user'.
        $this->assertUrl($this->loggedInUser
            ->toUrl('canonical', [
            'absolute' => TRUE,
        ])
            ->toString());
        // user/register should redirect to user/UID/edit.
        $this->drupalGet('user/register');
        $this->assertUrl($this->loggedInUser
            ->toUrl('edit-form', [
            'absolute' => TRUE,
        ])
            ->toString());
    }
    
    /**
     * Tests theme integration.
     */
    public function testThemeIntegration() {
        $this->defaultTheme = 'bartik';
        $this->adminTheme = 'seven';
        
        /** @var \Drupal\Core\Extension\ThemeInstallerInterface $theme_installer */
        $theme_installer = $this->container
            ->get('theme_installer');
        $theme_installer->install([
            $this->defaultTheme,
            $this->adminTheme,
        ]);
        $this->config('system.theme')
            ->set('default', $this->defaultTheme)
            ->set('admin', $this->adminTheme)
            ->save();
        $this->doTestThemeCallbackMaintenanceMode();
        $this->doTestThemeCallbackFakeTheme();
        $this->doTestThemeCallbackAdministrative();
        $this->doTestThemeCallbackNoThemeRequested();
        $this->doTestThemeCallbackOptionalTheme();
    }
    
    /**
     * Test the theme negotiation when it is set to use an administrative theme.
     */
    protected function doTestThemeCallbackAdministrative() {
        $this->drupalGet('menu-test/theme-callback/use-admin-theme');
        $this->assertText('Active theme: seven. Actual theme: seven.', 'The administrative theme can be correctly set in a theme negotiation.');
        $this->assertRaw('seven/css/base/elements.css', "The administrative theme's CSS appears on the page.");
    }
    
    /**
     * Test the theme negotiation when the site is in maintenance mode.
     */
    protected function doTestThemeCallbackMaintenanceMode() {
        $this->container
            ->get('state')
            ->set('system.maintenance_mode', TRUE);
        // For a regular user, the fact that the site is in maintenance mode means
        // we expect the theme callback system to be bypassed entirely.
        $this->drupalGet('menu-test/theme-callback/use-admin-theme');
        $this->assertRaw('bartik/css/base/elements.css', "The maintenance theme's CSS appears on the page.");
        // An administrator, however, should continue to see the requested theme.
        $admin_user = $this->drupalCreateUser([
            'access site in maintenance mode',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalGet('menu-test/theme-callback/use-admin-theme');
        $this->assertText('Active theme: seven. Actual theme: seven.', 'The theme negotiation system is correctly triggered for an administrator when the site is in maintenance mode.');
        $this->assertRaw('seven/css/base/elements.css', "The administrative theme's CSS appears on the page.");
        $this->container
            ->get('state')
            ->set('system.maintenance_mode', FALSE);
    }
    
    /**
     * Test the theme negotiation when it is set to use an optional theme.
     */
    protected function doTestThemeCallbackOptionalTheme() {
        // Request a theme that is not installed.
        $this->drupalGet('menu-test/theme-callback/use-test-theme');
        $this->assertText('Active theme: bartik. Actual theme: bartik.', 'The theme negotiation system falls back on the default theme when a theme that is not installed is requested.');
        $this->assertRaw('bartik/css/base/elements.css', "The default theme's CSS appears on the page.");
        // Now install the theme and request it again.
        
        /** @var \Drupal\Core\Extension\ThemeInstallerInterface $theme_installer */
        $theme_installer = $this->container
            ->get('theme_installer');
        $theme_installer->install([
            'test_theme',
        ]);
        $this->drupalGet('menu-test/theme-callback/use-test-theme');
        $this->assertText('Active theme: test_theme. Actual theme: test_theme.', 'The theme negotiation system uses an optional theme once it has been installed.');
        $this->assertRaw('test_theme/kitten.css', "The optional theme's CSS appears on the page.");
        $theme_installer->uninstall([
            'test_theme',
        ]);
    }
    
    /**
     * Test the theme negotiation when it is set to use a theme that does not exist.
     */
    protected function doTestThemeCallbackFakeTheme() {
        $this->drupalGet('menu-test/theme-callback/use-fake-theme');
        $this->assertText('Active theme: bartik. Actual theme: bartik.', 'The theme negotiation system falls back on the default theme when a theme that does not exist is requested.');
        $this->assertRaw('bartik/css/base/elements.css', "The default theme's CSS appears on the page.");
    }
    
    /**
     * Test the theme negotiation when no theme is requested.
     */
    protected function doTestThemeCallbackNoThemeRequested() {
        $this->drupalGet('menu-test/theme-callback/no-theme-requested');
        $this->assertText('Active theme: bartik. Actual theme: bartik.', 'The theme negotiation system falls back on the default theme when no theme is requested.');
        $this->assertRaw('bartik/css/base/elements.css', "The default theme's CSS appears on the page.");
    }

}