function CKEditor5FragmentLinkTest::testFragmentLink

Tests if the fragment link to a textarea works with CKEditor 5 enabled.

File

core/modules/ckeditor5/tests/src/FunctionalJavascript/CKEditor5FragmentLinkTest.php, line 98

Class

CKEditor5FragmentLinkTest

Tests that the fragment link points to CKEditor 5.

Namespace

Code

public function testFragmentLink() : void {
    $session = $this->getSession();
    $web_assert = $this->assertSession();
    $ckeditor_class = '.ck-editor';
    $ckeditor_id = '#cke_edit-body-0-value';
    $this->drupalGet('node/add/page');
    // Add a bottom margin to the title field to be sure the body field is not
    // visible.
    $session->executeScript("document.getElementById('edit-title-0-value').style.marginBottom = window.innerHeight*2 +'px';");
    $this->assertSession()
        ->waitForElementVisible('css', $ckeditor_id);
    // Check that the CKEditor 5-enabled body field is currently not visible in
    // the viewport.
    $web_assert->assertNotVisibleInViewport('css', $ckeditor_class, 'topLeft', 'CKEditor 5-enabled body field is visible.');
    $before_url = $session->getCurrentUrl();
    // Trigger a hash change with as target the hidden textarea.
    $session->executeScript("location.hash = '#edit-body-0-value';");
    // Check that the CKEditor 5-enabled body field is visible in the viewport.
    // The hash change adds an ID to the CKEditor 5 instance so check its
    // visibility using the ID now.
    $web_assert->assertVisibleInViewport('css', $ckeditor_id, 'topLeft', 'CKEditor 5-enabled body field is not visible.');
    // Use JavaScript to go back in the history instead of
    // \Behat\Mink\Session::back() because that function doesn't work after a
    // hash change.
    $session->executeScript("history.back();");
    $after_url = $session->getCurrentUrl();
    // Check that going back in the history worked.
    self::assertEquals($before_url, $after_url, 'History back works.');
}