protected function BigPipeTest::assertBigPipeNoJsMetaRefreshRedirect in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/big_pipe/tests/src/Functional/BigPipeTest.php \Drupal\Tests\big_pipe\Functional\BigPipeTest::assertBigPipeNoJsMetaRefreshRedirect()

Calls ::performMetaRefresh() and asserts the responses.

1 call to BigPipeTest::assertBigPipeNoJsMetaRefreshRedirect()

BigPipeTest::testNoJsDetection in core/modules/big_pipe/tests/src/Functional/BigPipeTest.php

Tests BigPipe's no-JS detection.

File

core/modules/big_pipe/tests/src/Functional/BigPipeTest.php, line 466

Class

BigPipeTest

Tests BigPipe's no-JS detection & response delivery (with and without JS).

Namespace

Drupal\Tests\big_pipe\Functional

Code

protected function assertBigPipeNoJsMetaRefreshRedirect() {
  $original_url = $this
    ->getSession()
    ->getCurrentUrl();

  // Disable automatic following of redirects by the HTTP client, so that this
  // test can analyze the response headers of each redirect response.
  $this
    ->getSession()
    ->getDriver()
    ->getClient()
    ->followRedirects(FALSE);
  $this
    ->performMetaRefresh();
  $headers[0] = $this
    ->getSession()
    ->getResponseHeaders();
  $statuses[0] = $this
    ->getSession()
    ->getStatusCode();
  $this
    ->performMetaRefresh();
  $headers[1] = $this
    ->getSession()
    ->getResponseHeaders();
  $statuses[1] = $this
    ->getSession()
    ->getStatusCode();
  $this
    ->getSession()
    ->getDriver()
    ->getClient()
    ->followRedirects(TRUE);
  $this
    ->assertEqual($original_url, $this
    ->getSession()
    ->getCurrentUrl(), 'Redirected back to the original location.');

  // First response: redirect.
  $this
    ->assertEqual(302, $statuses[0], 'The first response was a 302 (redirect).');
  $this
    ->assertStringStartsWith('big_pipe_nojs=1', $headers[0]['Set-Cookie'][0], 'The first response sets the big_pipe_nojs cookie.');
  $this
    ->assertEqual($original_url, $headers[0]['Location'][0], 'The first response redirected back to the original page.');
  $this
    ->assertTrue(empty(array_diff([
    'cookies:big_pipe_nojs',
    'session.exists',
  ], explode(' ', $headers[0]['X-Drupal-Cache-Contexts'][0]))), 'The first response varies by the "cookies:big_pipe_nojs" and "session.exists" cache contexts.');
  $this
    ->assertFalse(isset($headers[0]['Surrogate-Control']), 'The first response has no "Surrogate-Control" header.');

  // Second response: redirect followed.
  $this
    ->assertEqual(200, $statuses[1], 'The second response was a 200.');
  $this
    ->assertTrue(empty(array_diff([
    'cookies:big_pipe_nojs',
    'session.exists',
  ], explode(' ', $headers[0]['X-Drupal-Cache-Contexts'][0]))), 'The first response varies by the "cookies:big_pipe_nojs" and "session.exists" cache contexts.');
  $this
    ->assertEqual('no-store, content="BigPipe/1.0"', $headers[1]['Surrogate-Control'][0], 'The second response has a "Surrogate-Control" header.');
  $this
    ->assertNoRaw('<noscript><meta http-equiv="Refresh" content="0; URL=', 'Once the BigPipe no-JS cookie is set, the <meta> refresh is absent: only one redirect ever happens.');
}