memcache-session.test in Zircon Profile 8

Provides SimpleTests for core session handling functionality.

File

modules/memcache/tests/memcache-session.test

<?php

/**
 * @file
 * Provides SimpleTests for core session handling functionality.
 */
class MemcacheSessionTestCase extends DrupalWebTestCase {
  protected $profile = 'testing';
  public static function getInfo() {
    return array(
      'name' => 'Session tests',
      'description' => 'Memcache session handling tests.',
      'group' => 'Memcache',
    );
  }
  function setUp() {
    parent::setUp('session_test');
  }

  /**
   * Tests for drupal_save_session() and drupal_session_regenerate().
   */
  function testSessionSaveRegenerate() {
    $this
      ->assertFalse(drupal_save_session(), t('drupal_save_session() correctly returns FALSE (inside of testing framework) when initially called with no arguments.'), t('Session'));
    $this
      ->assertFalse(drupal_save_session(FALSE), t('drupal_save_session() correctly returns FALSE when called with FALSE.'), t('Session'));
    $this
      ->assertFalse(drupal_save_session(), t('drupal_save_session() correctly returns FALSE when saving has been disabled.'), t('Session'));
    $this
      ->assertTrue(drupal_save_session(TRUE), t('drupal_save_session() correctly returns TRUE when called with TRUE.'), t('Session'));
    $this
      ->assertTrue(drupal_save_session(), t('drupal_save_session() correctly returns TRUE when saving has been enabled.'), t('Session'));

    // Test session hardening code from SA-2008-044.
    $user = $this
      ->drupalCreateUser(array(
      'access content',
    ));

    // Enable sessions.
    $this
      ->sessionReset($user->uid);

    // Make sure the session cookie is set as HttpOnly.
    $this
      ->drupalLogin($user);
    $this
      ->assertTrue(preg_match('/HttpOnly/i', $this
      ->drupalGetHeader('Set-Cookie', TRUE)), t('Session cookie is set as HttpOnly.'));
    $this
      ->drupalLogout();

    // Verify that the session is regenerated if a module calls exit
    // in hook_user_login().
    user_save($user, array(
      'name' => 'session_test_user',
    ));
    $user->name = 'session_test_user';
    $this
      ->drupalGet('session-test/id');
    $matches = array();
    preg_match('/\\s*session_id:(.*)\\n/', $this
      ->drupalGetContent(), $matches);
    $this
      ->assertTrue(!empty($matches[1]), t('Found session ID before logging in.'));
    $original_session = $matches[1];

    // We cannot use $this->drupalLogin($user); because we exit in
    // session_test_user_login() which breaks a normal assertion.
    $edit = array(
      'name' => $user->name,
      'pass' => $user->pass_raw,
    );
    $this
      ->drupalPost('user', $edit, t('Log in'));
    $this
      ->drupalGet('user');
    $pass = $this
      ->assertText($user->name, t('Found name: %name', array(
      '%name' => $user->name,
    )), t('User login'));
    $this->_logged_in = $pass;
    $this
      ->drupalGet('session-test/id');
    $matches = array();
    preg_match('/\\s*session_id:(.*)\\n/', $this
      ->drupalGetContent(), $matches);
    $this
      ->assertTrue(!empty($matches[1]), t('Found session ID after logging in.'));
    $this
      ->assertTrue($matches[1] != $original_session, t('Session ID changed after login.'));
  }

  /**
   * Test data persistence via the session_test module callbacks. Also tests
   * drupal_session_count() since session data is already generated here.
   */
  function testDataPersistence() {
    $user = $this
      ->drupalCreateUser(array(
      'access content',
    ));

    // Enable sessions.
    $this
      ->sessionReset($user->uid);
    $this
      ->drupalLogin($user);
    $value_1 = $this
      ->randomName();
    $this
      ->drupalGet('session-test/set/' . $value_1);
    $this
      ->assertText($value_1, t('The session value was stored.'), t('Session'));
    $this
      ->drupalGet('session-test/get');
    $this
      ->assertText($value_1, t('Session correctly returned the stored data for an authenticated user.'), t('Session'));

    // Attempt to write over val_1. If drupal_save_session(FALSE) is working.
    // properly, val_1 will still be set.
    $value_2 = $this
      ->randomName();
    $this
      ->drupalGet('session-test/no-set/' . $value_2);
    $this
      ->assertText($value_2, t('The session value was correctly passed to session-test/no-set.'), t('Session'));
    $this
      ->drupalGet('session-test/get');
    $this
      ->assertText($value_1, t('Session data is not saved for drupal_save_session(FALSE).'), t('Session'));

    // Switch browser cookie to anonymous user, then back to user 1.
    $this
      ->sessionReset();
    $this
      ->sessionReset($user->uid);
    $this
      ->assertText($value_1, t('Session data persists through browser close.'), t('Session'));

    // Logout the user and make sure the stored value no longer persists.
    $this
      ->drupalLogout();
    $this
      ->sessionReset();
    $this
      ->drupalGet('session-test/get');
    $this
      ->assertNoText($value_1, t("After logout, previous user's session data is not available."), t('Session'));

    // Now try to store some data as an anonymous user.
    $value_3 = $this
      ->randomName();
    $this
      ->drupalGet('session-test/set/' . $value_3);
    $this
      ->assertText($value_3, t('Session data stored for anonymous user.'), t('Session'));
    $this
      ->drupalGet('session-test/get');
    $this
      ->assertText($value_3, t('Session correctly returned the stored data for an anonymous user.'), t('Session'));

    // Try to store data when drupal_save_session(FALSE).
    $value_4 = $this
      ->randomName();
    $this
      ->drupalGet('session-test/no-set/' . $value_4);
    $this
      ->assertText($value_4, t('The session value was correctly passed to session-test/no-set.'), t('Session'));
    $this
      ->drupalGet('session-test/get');
    $this
      ->assertText($value_3, t('Session data is not saved for drupal_save_session(FALSE).'), t('Session'));

    // Login, the data should persist.
    $this
      ->drupalLogin($user);
    $this
      ->sessionReset($user->uid);
    $this
      ->drupalGet('session-test/get');
    $this
      ->assertNoText($value_1, t('Session has persisted for an authenticated user after logging out and then back in.'), t('Session'));

    // Change session and create another user.
    $user2 = $this
      ->drupalCreateUser(array(
      'access content',
    ));
    $this
      ->sessionReset($user2->uid);
    $this
      ->drupalLogin($user2);
  }

  /**
   * Test that empty anonymous sessions are destroyed.
   */
  function testEmptyAnonymousSession() {

    // Verify that no session is automatically created for anonymous user.
    $this
      ->drupalGet('');
    $this
      ->assertSessionCookie(FALSE);
    $this
      ->assertSessionEmpty(TRUE);

    // The same behavior is expected when caching is enabled.
    variable_set('cache', TRUE);
    $this
      ->drupalGet('');
    $this
      ->assertSessionCookie(FALSE);
    $this
      ->assertSessionEmpty(TRUE);
    $this
      ->assertEqual($this
      ->drupalGetHeader('X-Drupal-Cache'), 'MISS', t('Page was not cached.'));

    // Start a new session by setting a message.
    $this
      ->drupalGet('session-test/set-message');
    $this
      ->assertSessionCookie(TRUE);
    $this
      ->assertTrue($this
      ->drupalGetHeader('Set-Cookie'), t('New session was started.'));

    // Display the message, during the same request the session is destroyed
    // and the session cookie is unset.
    $this
      ->drupalGet('');
    $this
      ->assertSessionCookie(FALSE);
    $this
      ->assertSessionEmpty(FALSE);
    $this
      ->assertFalse($this
      ->drupalGetHeader('X-Drupal-Cache'), t('Caching was bypassed.'));
    $this
      ->assertText(t('This is a dummy message.'), t('Message was displayed.'));
    $this
      ->assertTrue(preg_match('/SESS\\w+=deleted/', $this
      ->drupalGetHeader('Set-Cookie')), t('Session cookie was deleted.'));

    // Verify that session was destroyed.
    $this
      ->drupalGet('');
    $this
      ->assertSessionCookie(FALSE);
    $this
      ->assertSessionEmpty(TRUE);
    $this
      ->assertNoText(t('This is a dummy message.'), t('Message was not cached.'));
    $this
      ->assertEqual($this
      ->drupalGetHeader('X-Drupal-Cache'), 'HIT', t('Page was cached.'));
    $this
      ->assertFalse($this
      ->drupalGetHeader('Set-Cookie'), t('New session was not started.'));

    // Verify that no session is created if drupal_save_session(FALSE) is called.
    $this
      ->drupalGet('session-test/set-message-but-dont-save');
    $this
      ->assertSessionCookie(FALSE);
    $this
      ->assertSessionEmpty(TRUE);

    // Verify that no message is displayed.
    $this
      ->drupalGet('');
    $this
      ->assertSessionCookie(FALSE);
    $this
      ->assertSessionEmpty(TRUE);
    $this
      ->assertNoText(t('This is a dummy message.'), t('The message was not saved.'));
  }

  /**
   * Reset the cookie file so that it refers to the specified user.
   *
   * @param $uid User id to set as the active session.
   */
  function sessionReset($uid = 0) {

    // Close the internal browser.
    $this
      ->curlClose();
    $this->loggedInUser = FALSE;

    // Change cookie file for user.
    $this->cookieFile = variable_get('file_public_path', conf_path() . '/files') . '/cookie.' . $uid . '.txt';
    $this->additionalCurlOptions[CURLOPT_COOKIEFILE] = $this->cookieFile;
    $this->additionalCurlOptions[CURLOPT_COOKIESESSION] = TRUE;
    $this
      ->drupalGet('session-test/get');
    $this
      ->assertResponse(200, t('Session test module is correctly enabled.'), t('Session'));
  }

  /**
   * Assert whether the SimpleTest browser sent a session cookie.
   */
  function assertSessionCookie($sent) {
    if ($sent) {
      $this
        ->assertNotNull($this->session_id, t('Session cookie was sent.'));
    }
    else {
      $this
        ->assertNull($this->session_id, t('Session cookie was not sent.'));
    }
  }

  /**
   * Assert whether $_SESSION is empty at the beginning of the request.
   */
  function assertSessionEmpty($empty) {
    if ($empty) {
      $this
        ->assertIdentical($this
        ->drupalGetHeader('X-Session-Empty'), '1', t('Session was empty.'));
    }
    else {
      $this
        ->assertIdentical($this
        ->drupalGetHeader('X-Session-Empty'), '0', t('Session was not empty.'));
    }
  }

}

Classes

Name	Description
MemcacheSessionTestCase	@file Provides SimpleTests for core session handling functionality.