public function PlaceholderMessageTest::testMessagePlaceholder in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/system/tests/src/Functional/Render/PlaceholderMessageTest.php \Drupal\Tests\system\Functional\Render\PlaceholderMessageTest::testMessagePlaceholder()

Test rendering of message placeholder.

File

core/modules/system/tests/src/Functional/Render/PlaceholderMessageTest.php, line 30

Class

PlaceholderMessageTest

Functional test verifying that messages set in placeholders always appear.

Namespace

Drupal\Tests\system\Functional\Render

Code

public function testMessagePlaceholder() {
  $messages_markup = '<div role="contentinfo" aria-label="Status message"';
  $test_routes = [
    // Messages placeholder rendered first.
    'render_placeholder_message_test.first',
    // Messages placeholder rendered after one, before another.
    'render_placeholder_message_test.middle',
    // Messages placeholder rendered last.
    'render_placeholder_message_test.last',
  ];
  $assert = $this
    ->assertSession();
  foreach ($test_routes as $route) {

    // Verify that we start off with zero messages queued.
    $this
      ->drupalGet(Url::fromRoute('render_placeholder_message_test.queued'));
    $assert
      ->responseNotContains($messages_markup);

    // Verify the test case at this route behaves as expected.
    $this
      ->drupalGet(Url::fromRoute($route));
    $assert
      ->elementContains('css', 'p.logged-message:nth-of-type(1)', 'Message: P1');
    $assert
      ->elementContains('css', 'p.logged-message:nth-of-type(2)', 'Message: P2');
    $assert
      ->responseContains($messages_markup);
    $assert
      ->elementExists('css', 'div[aria-label="Status message"] ul');
    $assert
      ->elementContains('css', 'div[aria-label="Status message"] ul li:nth-of-type(1)', 'P1');
    $assert
      ->elementContains('css', 'div[aria-label="Status message"] ul li:nth-of-type(2)', 'P2');

    // Verify that we end with all messages printed, hence again zero queued.
    $this
      ->drupalGet(Url::fromRoute('render_placeholder_message_test.queued'));
    $assert
      ->responseNotContains($messages_markup);
  }
}