public function FormStoragePageCacheTest::testRebuildFormStorageOnCachedPage in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/system/tests/src/Functional/Form/FormStoragePageCacheTest.php \Drupal\Tests\system\Functional\Form\FormStoragePageCacheTest::testRebuildFormStorageOnCachedPage()

Build-id is regenerated when rebuilding cached form.

File

core/modules/system/tests/src/Functional/Form/FormStoragePageCacheTest.php, line 93

Class

FormStoragePageCacheTest

Tests form storage from cached pages.

Namespace

Drupal\Tests\system\Functional\Form

Code

public function testRebuildFormStorageOnCachedPage() {
  $this
    ->drupalGet('form-test/form-storage-page-cache');
  $this
    ->assertEqual($this
    ->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
  $this
    ->assertText('No old build id', 'No old build id on the page');
  $build_id_initial = $this
    ->getFormBuildId();

  // Trigger rebuild, should regenerate build id. When a submit handler
  // triggers a rebuild, the form is built twice in the same POST request,
  // and during the second build, there is an old build ID, but because the
  // form is not cached during the initial GET request, it is different from
  // that initial build ID.
  $edit = [
    'title' => 'something',
  ];
  $this
    ->drupalPostForm(NULL, $edit, 'Rebuild');
  $this
    ->assertNoText('No old build id', 'There is no old build id on the page.');
  $this
    ->assertNoText($build_id_initial, 'The old build id is not the initial build id.');
  $build_id_first_rebuild = $this
    ->getFormBuildId();
  $this
    ->assertNotEqual($build_id_initial, $build_id_first_rebuild, 'Build id changes on first rebuild.');

  // Trigger subsequent rebuild, should regenerate the build id again.
  $edit = [
    'title' => 'something',
  ];
  $this
    ->drupalPostForm(NULL, $edit, 'Rebuild');
  $this
    ->assertText($build_id_first_rebuild, 'First build id as old build id on the page');
  $build_id_second_rebuild = $this
    ->getFormBuildId();
  $this
    ->assertNotEqual($build_id_first_rebuild, $build_id_second_rebuild, 'Build id changes on second rebuild.');
}