function RenderCacheTest::doTestUser1WithContexts

Ensures that user 1 has a unique render cache for the given context.

Parameters

string[] $contexts: List of cache contexts to use.

File

core/tests/Drupal/KernelTests/Core/Render/RenderCacheTest.php, line 65

Class

RenderCacheTest

Tests the caching of render items via functional tests.

Namespace

Code

protected function doTestUser1WithContexts($contexts) {
    // Test that user 1 does not share the cache with other users who have the
    // same roles, even when using a role-based cache context.
    $user1 = $this->createUser();
    $this->assertEquals(1, $user1->id());
    $first_authenticated_user = $this->createUser();
    $second_authenticated_user = $this->createUser();
    $admin_user = $this->createUser([], NULL, TRUE);
    $this->assertEquals($user1->getRoles(), $first_authenticated_user->getRoles(), 'User 1 has the same roles as an authenticated user.');
    // Impersonate user 1 and render content that only user 1 should have
    // permission to see.
    \Drupal::service('account_switcher')->switchTo($user1);
    $test_element = [
        '#cache' => [
            'keys' => [
                'test',
            ],
            'contexts' => $contexts,
        ],
    ];
    $element = $test_element;
    $element['#markup'] = 'content for admin users';
    $output = \Drupal::service('renderer')->renderRoot($element);
    $this->assertEquals('content for admin users', $output);
    // Verify the cache is working by rendering the same element but with
    // different markup passed in; the result should be the same.
    $element = $test_element;
    $element['#markup'] = 'should not be used';
    $output = \Drupal::service('renderer')->renderRoot($element);
    $this->assertEquals('content for admin users', $output);
    \Drupal::service('account_switcher')->switchBack();
    // Verify that the first authenticated user does not see the same content
    // as user 1.
    \Drupal::service('account_switcher')->switchTo($first_authenticated_user);
    $element = $test_element;
    $element['#markup'] = 'content for authenticated users';
    $output = \Drupal::service('renderer')->renderRoot($element);
    $this->assertEquals('content for authenticated users', $output);
    \Drupal::service('account_switcher')->switchBack();
    // Verify that the second authenticated user shares the cache with the
    // first authenticated user.
    \Drupal::service('account_switcher')->switchTo($second_authenticated_user);
    $element = $test_element;
    $element['#markup'] = 'should not be used';
    $output = \Drupal::service('renderer')->renderRoot($element);
    $this->assertEquals('content for authenticated users', $output);
    \Drupal::service('account_switcher')->switchBack();
    // The admin user should have the same cache as user 1, as the admin role
    // has the same permissions hash.
    \Drupal::service('account_switcher')->switchTo($admin_user);
    $element = $test_element;
    $element['#markup'] = 'content that is role specific';
    $output = \Drupal::service('renderer')->renderRoot($element);
    $expected = in_array('user.roles', $contexts, TRUE) ? 'content that is role specific' : 'content for admin users';
    $this->assertEquals($expected, $output);
    \Drupal::service('account_switcher')->switchBack();
}