public function AccountSwitcherTest::testAccountSwitching in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Session/AccountSwitcherTest.php \Drupal\KernelTests\Core\Session\AccountSwitcherTest::testAccountSwitching()
2. 10 core/tests/Drupal/KernelTests/Core/Session/AccountSwitcherTest.php \Drupal\KernelTests\Core\Session\AccountSwitcherTest::testAccountSwitching()

File

core/tests/Drupal/KernelTests/Core/Session/AccountSwitcherTest.php, line 15

Class

AccountSwitcherTest

Test case for account switching.

Namespace

Drupal\KernelTests\Core\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([
    'uid' => 2,
  ]));

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

  // Perform a second (nested) user account switch.
  $switcher
    ->switchTo(new UserSession([
    'uid' => 3,
  ]));
  $this
    ->assertEquals(3, $user
    ->id(), '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
    ->assertEquals(2, $user
    ->id(), '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.
  $this
    ->assertEquals($original_user
    ->id(), $user
    ->id(), 'Original user correctly restored.');
  $this
    ->assertEquals($original_session_saving, $session_handler
    ->isSessionWritable(), 'Original session saving correctly restored.');

  // Verify that AccountSwitcherInterface::switchBack() will throw
  // an exception if there are no accounts left in the stack.
  $this
    ->expectException(\RuntimeException::class);
  $this
    ->expectExceptionMessage('No more accounts to revert to.');
  $switcher
    ->switchBack();
}