DevelSwitchUserTest.php in Devel 8.2

Namespace

Drupal\Tests\devel\Functional

File

tests/src/Functional/DevelSwitchUserTest.php

<?php

namespace Drupal\Tests\devel\Functional;

use Drupal\Component\Render\FormattableMarkup;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests switch user.
 *
 * @group devel
 */
class DevelSwitchUserTest extends BrowserTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = [
    'devel',
    'block',
  ];

  /**
   * The block used by this test.
   *
   * @var \Drupal\block\BlockInterface
   */
  protected $block;

  /**
   * The devel user.
   *
   * @var \Drupal\user\Entity\User
   */
  protected $develUser;

  /**
   * The switch user.
   *
   * @var \Drupal\user\Entity\User
   */
  protected $switchUser;

  /**
   * The web user.
   *
   * @var \Drupal\user\Entity\User
   */
  protected $webUser;

  /**
   * Set up test.
   */
  protected function setUp() {
    parent::setUp();
    $this->block = $this
      ->drupalPlaceBlock('devel_switch_user', [
      'id' => 'switch-user',
      'label' => 'Switch Hit',
    ]);
    $this->develUser = $this
      ->drupalCreateUser([
      'access devel information',
      'switch users',
    ], 'Devel User Four');
    $this->switchUser = $this
      ->drupalCreateUser([
      'switch users',
    ], 'Switch User Five');
    $this->webUser = $this
      ->drupalCreateUser([], 'Web User Six');
  }

  /**
   * Tests switch user basic functionality.
   */
  public function testSwitchUserFunctionality() {
    $this
      ->drupalLogin($this->webUser);
    $this
      ->drupalGet('');
    $this
      ->assertNoText($this->block
      ->label(), 'Block title was not found.');

    // Ensure that a token is required to switch user.
    $this
      ->drupalGet('/devel/switch/' . $this->webUser
      ->getDisplayName());
    $this
      ->assertResponse(403);
    $this
      ->drupalLogin($this->develUser);
    $this
      ->drupalGet('');
    $this
      ->assertText($this->block
      ->label(), 'Block title was found.');

    // Ensure that if name in not passed the controller returns access denied.
    $this
      ->drupalGet('/devel/switch');
    $this
      ->assertResponse(403);

    // Ensure that a token is required to switch user.
    $this
      ->drupalGet('/devel/switch/' . $this->switchUser
      ->getDisplayName());
    $this
      ->assertResponse(403);

    // Switch to another user account.
    $this
      ->drupalGet('/user/' . $this->switchUser
      ->id());
    $this
      ->clickLink($this->switchUser
      ->getDisplayName());
    $this
      ->assertSessionByUid($this->switchUser
      ->id());
    $this
      ->assertNoSessionByUid($this->develUser
      ->id());

    // Switch back to initial account.
    $this
      ->clickLink($this->develUser
      ->getDisplayName());
    $this
      ->assertNoSessionByUid($this->switchUser
      ->id());
    $this
      ->assertSessionByUid($this->develUser
      ->id());

    // Use the search form to switch to another account.
    $edit = [
      'userid' => $this->switchUser
        ->getDisplayName(),
    ];
    $this
      ->drupalPostForm(NULL, $edit, t('Switch'));
    $this
      ->assertSessionByUid($this->switchUser
      ->id());
    $this
      ->assertNoSessionByUid($this->develUser
      ->id());
  }

  /**
   * Tests the switch user block configuration.
   */
  public function testSwitchUserBlockConfiguration() {
    $anonymous = \Drupal::config('user.settings')
      ->get('anonymous');

    // Create some users for the test.
    for ($i = 0; $i < 12; $i++) {
      $this
        ->drupalCreateUser();
    }
    $this
      ->drupalLogin($this->develUser);
    $this
      ->drupalGet('');
    $this
      ->assertText($this->block
      ->label(), 'Block title was found.');

    // Ensure that block default configuration is effectively used. The block
    // default configuration is the following:
    // - list_size : 12.
    // - include_anon : FALSE.
    // - show_form : TRUE.
    $this
      ->assertSwitchUserSearchForm();
    $this
      ->assertSwitchUserListCount(12);
    $this
      ->assertSwitchUserListNoContainsUser($anonymous);

    // Ensure that changing the list_size configuration property the number of
    // user displayed in the list change.
    $this
      ->setBlockConfiguration('list_size', 4);
    $this
      ->drupalGet('');
    $this
      ->assertSwitchUserListCount(4);

    // Ensure that changing the include_anon configuration property the
    // anonymous user is displayed in the list.
    $this
      ->setBlockConfiguration('include_anon', TRUE);
    $this
      ->drupalGet('');
    $this
      ->assertSwitchUserListContainsUser($anonymous);

    // Ensure that changing the show_form configuration property the
    // form is not displayed.
    $this
      ->setBlockConfiguration('show_form', FALSE);
    $this
      ->drupalGet('');
    $this
      ->assertSwitchUserNoSearchForm();
  }

  /**
   * Test the user list items.
   */
  public function testSwitchUserListItems() {
    $anonymous = \Drupal::config('user.settings')
      ->get('anonymous');
    $this
      ->setBlockConfiguration('list_size', 2);

    // Login as web user so we are sure that this account is prioritized
    // in the list if not enough users with 'switch users' permission are
    // present.
    $this
      ->drupalLogin($this->webUser);
    $this
      ->drupalLogin($this->develUser);
    $this
      ->drupalGet('');

    // Ensure that users with 'switch users' permission are prioritized.
    $this
      ->assertSwitchUserListCount(2);
    $this
      ->assertSwitchUserListContainsUser($this->develUser
      ->getDisplayName());
    $this
      ->assertSwitchUserListContainsUser($this->switchUser
      ->getDisplayName());

    // Ensure that blocked users are not shown in the list.
    $this->switchUser
      ->set('status', 0)
      ->save();
    $this
      ->drupalGet('');
    $this
      ->assertSwitchUserListCount(2);
    $this
      ->assertSwitchUserListContainsUser($this->develUser
      ->getDisplayName());
    $this
      ->assertSwitchUserListContainsUser($this->webUser
      ->getDisplayName());
    $this
      ->assertSwitchUserListNoContainsUser($this->switchUser
      ->getDisplayName());

    // Ensure that anonymous user are prioritized if include_anon is set to
    // true.
    $this
      ->setBlockConfiguration('include_anon', TRUE);
    $this
      ->drupalGet('');
    $this
      ->assertSwitchUserListCount(2);
    $this
      ->assertSwitchUserListContainsUser($this->develUser
      ->getDisplayName());
    $this
      ->assertSwitchUserListContainsUser($anonymous);

    // Ensure that the switch user block works properly even if no prioritized
    // users are found (special handling for user 1).
    $this
      ->drupalLogout();
    $this->develUser
      ->delete();
    $this
      ->drupalLogin($this->rootUser);
    $this
      ->drupalGet('');
    $this
      ->assertSwitchUserListCount(2);

    // Removed assertion on rootUser which causes random test failures.
    // @todo Adjust the tests when user 1 option is completed.
    // @see https://www.drupal.org/project/devel/issues/3097047
    // @see https://www.drupal.org/project/devel/issues/3114264
    $this
      ->assertSwitchUserListContainsUser($anonymous);

    // Ensure that the switch user block works properly even if no roles have
    // the 'switch users' permission associated (special handling for user 1).
    $roles = user_roles(TRUE, 'switch users');
    \Drupal::entityTypeManager()
      ->getStorage('user_role')
      ->delete($roles);
    $this
      ->drupalGet('');
    $this
      ->assertSwitchUserListCount(2);

    // Removed assertion on rootUser which causes random test failures.
    // @todo Adjust the tests when user 1 option is completed.
    // @see https://www.drupal.org/project/devel/issues/3097047
    // @see https://www.drupal.org/project/devel/issues/3114264
    $this
      ->assertSwitchUserListContainsUser($anonymous);
  }

  /**
   * Helper function for verify the number of items shown in the user list.
   *
   * @param int $number
   *   The expected numer of items.
   */
  public function assertSwitchUserListCount($number) {
    $result = $this
      ->xpath('//div[@id=:block]//ul/li/a', [
      ':block' => 'block-switch-user',
    ]);
    $this
      ->assert(count($result) == $number, 'The number of users shown in switch user is correct.');
  }

  /**
   * Helper function for verify if the user list contains a username.
   *
   * @param string $username
   *   The username to check.
   */
  public function assertSwitchUserListContainsUser($username) {
    $result = $this
      ->xpath('//div[@id=:block]//ul/li/a[normalize-space()=:user]', [
      ':block' => 'block-switch-user',
      ':user' => $username,
    ]);
    $this
      ->assert(count($result) > 0, new FormattableMarkup('User "%user" is included in the switch user list.', [
      '%user' => $username,
    ]));
  }

  /**
   * Helper function for verify if the user list not contains a username.
   *
   * @param string $username
   *   The username to check.
   */
  public function assertSwitchUserListNoContainsUser($username) {
    $result = $this
      ->xpath('//div[@id=:block]//ul/li/a[normalize-space()=:user]', [
      ':block' => 'block-switch-user',
      ':user' => $username,
    ]);
    $this
      ->assert(count($result) == 0, new FormattableMarkup('User "%user" is not included in the switch user list.', [
      '%user' => $username,
    ]));
  }

  /**
   * Helper function for verify if the search form is shown.
   */
  public function assertSwitchUserSearchForm() {
    $result = $this
      ->xpath('//div[@id=:block]//form[contains(@class, :form)]', [
      ':block' => 'block-switch-user',
      ':form' => 'devel-switchuser-form',
    ]);
    $this
      ->assert(count($result) > 0, 'The search form is shown.');
  }

  /**
   * Helper function for verify if the search form is not shown.
   */
  public function assertSwitchUserNoSearchForm() {
    $result = $this
      ->xpath('//div[@id=:block]//form[contains(@class, :form)]', [
      ':block' => 'block-switch-user',
      ':form' => 'devel-switchuser-form',
    ]);
    $this
      ->assert(count($result) == 0, 'The search form is not shown.');
  }

  /**
   * Protected helper method to set the test block's configuration.
   */
  protected function setBlockConfiguration($key, $value) {
    $block = $this->block
      ->getPlugin();
    $block
      ->setConfigurationValue($key, $value);
    $this->block
      ->save();
  }

  /**
   * Asserts that there is a session for a given user ID.
   *
   * Based off masquarade module.
   *
   * @param int $uid
   *   The user ID for which to find a session record.
   *
   * @TODO find a cleaner way to do this check.
   */
  protected function assertSessionByUid($uid) {
    $query = \Drupal::database()
      ->select('sessions');
    $query
      ->fields('sessions', [
      'uid',
    ]);
    $query
      ->condition('uid', $uid);
    $result = $query
      ->execute()
      ->fetchAll();
    if (empty($result)) {
      $this
        ->fail(new FormattableMarkup('No session found for uid @uid', [
        '@uid' => $uid,
      ]));
    }
    elseif (count($result) > 1) {

      // If there is more than one session, then that must be unexpected.
      $this
        ->fail("Found more than 1 session for uid {$uid}.");
    }
    else {
      $this
        ->pass("Found session for uid {$uid}.");
    }
  }

  /**
   * Asserts that no session exists for a given uid.
   *
   * Based off masquarade module.
   *
   * @param int $uid
   *   The user ID to assert.
   *
   * @TODO find a cleaner way to do this check.
   */
  protected function assertNoSessionByUid($uid) {
    $query = \Drupal::database()
      ->select('sessions');
    $query
      ->fields('sessions', [
      'uid',
    ]);
    $query
      ->condition('uid', $uid);
    $result = $query
      ->execute()
      ->fetchAll();
    $this
      ->assert(empty($result), "No session for uid {$uid} found.");
  }

}

Classes

Name	Description
DevelSwitchUserTest	Tests switch user.