class MigrateControllerTest

class MigrateControllerTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'dblog',
        'migrate_drupal_ui',
        'views_ui',
    ];
    
    /**
     * {@inheritdoc}
     *
     * @todo Remove and fix test to not rely on super user.
     * @see https://www.drupal.org/project/drupal/issues/3437620
     */
    protected bool $usesSuperUserAccessPolicy = TRUE;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Log in as user 1. Migrations in the UI can only be performed as user 1.
        $this->drupalLogin($this->rootUser);
        // Create a migrate message for testing purposes.
        \Drupal::logger('migrate_drupal_ui')->notice('A test message');
    }
    
    /**
     * Tests the upgrade report with the view enabled, disabled and uninstalled.
     */
    public function testUpgradeReport() : void {
        $session = $this->assertSession();
        $this->assertTrue(View::load('watchdog')->status(), 'Watchdog view is enabled');
        // Tests redirection to report page when the watchdog view is enabled.
        $this->drupalGet('admin/reports/upgrade');
        $session->optionExists('type[]', 'migrate_drupal_ui')
            ->isSelected();
        $session->pageTextContainsOnce('A test message');
        // Disable the watchdog view.
        $this->drupalGet('admin/structure/views');
        $this->assertTrue($this->clickViewsOperationsLink('Disable', '/watchdog/'));
        $session->statusCodeEquals(200);
        // Tests redirection to report page when the watchdog view is disabled.
        $this->drupalGet('admin/reports/upgrade');
        $session->optionExists('type[]', 'migrate_drupal_ui')
            ->isSelected();
        $session->pageTextContainsOnce('A test message');
        \Drupal::service('module_installer')->uninstall([
            'views_ui',
            'views',
        ]);
        // Tests redirection to report page when views is uninstalled.
        $this->drupalGet('admin/reports/upgrade');
        $session->optionExists('type[]', 'migrate_drupal_ui')
            ->isSelected();
        $session->pageTextContainsOnce('A test message');
    }
    
    /**
     * Clicks a view link to perform an operation.
     *
     * @param string $label
     *   Text between the anchor tags of the link.
     * @param string $href_part
     *   A unique string that is expected to occur within the href of the link.
     *
     * @return bool
     *   TRUE when link found and clicked, otherwise FALSE.
     */
    public function clickViewsOperationsLink($label, $href_part) {
        $links = $this->xpath('//a[normalize-space(text())=:label]', [
            ':label' => (string) $label,
        ]);
        foreach ($links as $link_index => $link) {
            $position = strpos($link->getAttribute('href'), $href_part);
            if ($position !== FALSE) {
                $index = $link_index;
                $this->clickLink((string) $label, $index);
                return TRUE;
            }
        }
        return FALSE;
    }

}