public function AccountSwitcherTest::testAccountSwitching in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 core/modules/system/src/Tests/Session/AccountSwitcherTest.php \Drupal\system\Tests\Session\AccountSwitcherTest::testAccountSwitching()

File

core/modules/system/src/Tests/Session/AccountSwitcherTest.php, line 20

Contains \Drupal\system\Tests\Session\AccountSwitcherTest.

Class

AccountSwitcherTest

Test case for account switching.

Namespace

Drupal\system\Tests\Session

Code

public function testAccountSwitching() {
  $session_handler = $this->container
    ->get('session_handler.write_safe');
  $user = $this->container
    ->get('current_user');
  $switcher = $this->container
    ->get('account_switcher');
  $original_user = $user
    ->getAccount();
  $original_session_saving = $session_handler
    ->isSessionWritable();

  // Switch to user with uid 2.
  $switcher
    ->switchTo(new UserSession(array(
    'uid' => 2,
  )));

  // Verify that the active user has changed, and that session saving is
  // disabled.
  $this
    ->assertEqual($user
    ->id(), 2, 'Switched to user 2.');
  $this
    ->assertFalse($session_handler
    ->isSessionWritable(), 'Session saving is disabled.');

  // Perform a second (nested) user account switch.
  $switcher
    ->switchTo(new UserSession(array(
    'uid' => 3,
  )));
  $this
    ->assertEqual($user
    ->id(), 3, 'Switched to user 3.');

  // Revert to the user session that was active between the first and second
  // switch.
  $switcher
    ->switchBack();

  // Since we are still in the account from the first switch, session handling
  // still needs to be disabled.
  $this
    ->assertEqual($user
    ->id(), 2, 'Reverted to user 2.');
  $this
    ->assertFalse($session_handler
    ->isSessionWritable(), 'Session saving still disabled.');

  // Revert to the original account which was active before the first switch.
  $switcher
    ->switchBack();

  // Assert that the original account is active again, and that session saving
  // has been re-enabled.
  $this
    ->assertEqual($user
    ->id(), $original_user
    ->id(), 'Original user correctly restored.');
  $this
    ->assertEqual($session_handler
    ->isSessionWritable(), $original_session_saving, 'Original session saving correctly restored.');

  // Verify that AccountSwitcherInterface::switchBack() will throw
  // an exception if there are no accounts left in the stack.
  try {
    $switcher
      ->switchBack();
    $this
      ->fail('::switchBack() throws exception if called without previous switch.');
  } catch (\RuntimeException $e) {
    if ($e
      ->getMessage() == 'No more accounts to revert to.') {
      $this
        ->pass('::switchBack() throws exception if called without previous switch.');
    }
    else {
      $this
        ->fail($e
        ->getMessage());
    }
  }
}