function SessionTestCase::testDataPersistence in SimpleTest 7

Test data persistence via the session_test module callbacks. Also tests drupal_session_count() since session data is already generated here.

File

tests/session.test, line 74

Provides SimpleTests for core session handling functionality.

Class

SessionTestCase

@file Provides SimpleTests for core session handling functionality.

Code

function testDataPersistence() {

  // At the very start, we have no session.
  $expected_anonymous = 0;
  $expected_authenticated = 0;
  $user = $this
    ->drupalCreateUser(array(
    'access content',
  ));

  // Enable sessions.
  $this
    ->sessionReset($user->uid);
  $this
    ->drupalLogin($user);
  $expected_authenticated++;
  $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();
  $expected_authenticated--;
  $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'));

  // Session count should go up since we have started an anonymous session now.
  $expected_anonymous++;

  // 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);
  $expected_anonymous--;
  $expected_authenticated++;
  $this
    ->sessionReset($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);
  $expected_authenticated++;

  // Perform drupal_session_count tests here in order to use the session data already generated.
  // Test absolute count.
  $anonymous = drupal_session_count(0, TRUE);
  $authenticated = drupal_session_count(0, FALSE);
  $this
    ->assertEqual($anonymous + $authenticated, $expected_anonymous + $expected_authenticated, t('@count total sessions (expected @expected).', array(
    '@count' => $anonymous + $authenticated,
    '@expected' => $expected_anonymous + $expected_authenticated,
  )), t('Session'));

  // Test anonymous count.
  $this
    ->assertEqual($anonymous, $expected_anonymous, t('@count anonymous sessions (expected @expected).', array(
    '@count' => $anonymous,
    '@expected' => $expected_anonymous,
  )), t('Session'));

  // Test authenticated count.
  $this
    ->assertEqual($authenticated, $expected_authenticated, t('@count authenticated sessions (expected @expected).', array(
    '@count' => $authenticated,
    '@expected' => $expected_authenticated,
  )), t('Session'));

  // Should return 0 sessions from 1 second from now.
  $this
    ->assertEqual(drupal_session_count(time() + 1), 0, t('0 sessions newer than the current time.'), t('Session'));
}