function FormCacheTest::testCacheToken

Tests the form cache with a logged-in user.

File

core/tests/Drupal/KernelTests/Core/Form/FormCacheTest.php, line 56

Class

FormCacheTest

Tests <a href="/api/drupal/core%21lib%21Drupal.php/function/Drupal%3A%3AformBuilder/8.9.x" title="Returns the form builder service." class="local">\Drupal::formBuilder</a>()-&gt;setCache() and <a href="/api/drupal/core%21lib%21Drupal.php/function/Drupal%3A%3AformBuilder/8.9.x" title="Returns the form builder service." class="local">\Drupal::formBuilder</a>()-&gt;getCache().

Namespace

Code

public function testCacheToken() {
    \Drupal::currentUser()->setAccount(new UserSession([
        'uid' => 1,
    ]));
    \Drupal::formBuilder()->setCache($this->formBuildId, $this->form, $this->formState);
    $cached_form_state = new FormState();
    $cached_form = \Drupal::formBuilder()->getCache($this->formBuildId, $cached_form_state);
    $this->assertEqual($this->form['#property'], $cached_form['#property']);
    $this->assertNotEmpty($cached_form['#cache_token'], 'Form has a cache token');
    $this->assertEqual($this->formState
        ->get('example'), $cached_form_state->get('example'));
    // Test that the form cache isn't loaded when the session/token has changed.
    // Change the private key. (We cannot change the session ID because this
    // will break the parent site test runner batch.)
    \Drupal::state()->set('system.private_key', 'invalid');
    $cached_form_state = new FormState();
    $cached_form = \Drupal::formBuilder()->getCache($this->formBuildId, $cached_form_state);
    $this->assertNull($cached_form, 'No form returned from cache');
    $cached_form_state_example = $cached_form_state->get('example');
    $this->assertEmpty($cached_form_state_example);
    // Test that loading the cache with a different form_id fails.
    $wrong_form_build_id = $this->randomMachineName(9);
    $cached_form_state = new FormState();
    $this->assertNull(\Drupal::formBuilder()->getCache($wrong_form_build_id, $cached_form_state), 'No form returned from cache');
    $cached_form_state_example = $cached_form_state->get('example');
    $this->assertEmpty($cached_form_state_example, 'Cached form state was not loaded');
}