Delete created files and temporary files directory, delete the tables created by setUp(), and reset the database prefix.
protected function tearDown() {
global $user, $language, $language_url;
// In case a fatal error occurred that was not in the test process read the
// log to pick up any fatal errors.
simpletest_log_read($this->testId, $this->databasePrefix, get_class($this), TRUE);
$emailCount = count(variable_get('drupal_test_email_collector', array()));
if ($emailCount) {
$message = format_plural($emailCount, '1 e-mail was sent during this test.', '@count e-mails were sent during this test.');
$this
->pass($message, t('E-mail'));
}
// Delete temporary files directory.
file_unmanaged_delete_recursive($this->originalFileDirectory . '/simpletest/' . substr($this->databasePrefix, 10));
// Remove all prefixed tables.
$tables = db_find_tables($this->databasePrefix . '%');
$connection_info = Database::getConnectionInfo('default');
$tables = db_find_tables($connection_info['default']['prefix']['default'] . '%');
if (empty($tables)) {
$this
->fail('Failed to find test tables to drop.');
}
$prefix_length = strlen($connection_info['default']['prefix']['default']);
foreach ($tables as $table) {
if (db_drop_table(substr($table, $prefix_length))) {
unset($tables[$table]);
}
}
if (!empty($tables)) {
$this
->fail('Failed to drop all prefixed tables.');
}
// Get back to the original connection.
Database::removeConnection('default');
Database::renameConnection('simpletest_original_default', 'default');
// Restore original shutdown callbacks array to prevent original
// environment of calling handlers from test run.
$callbacks =& drupal_register_shutdown_function();
$callbacks = $this->originalShutdownCallbacks;
// Return the user to the original one.
$user = $this->originalUser;
drupal_save_session(TRUE);
// Ensure that internal logged in variable and cURL options are reset.
$this->loggedInUser = FALSE;
$this->additionalCurlOptions = array();
// Reload module list and implementations to ensure that test module hooks
// aren't called after tests.
module_list(TRUE);
module_implements('', FALSE, TRUE);
// Reset the Field API.
field_cache_clear();
// Rebuild caches.
$this
->refreshVariables();
// Reset public files directory.
$GLOBALS['conf']['file_public_path'] = $this->originalFileDirectory;
// Reset language.
$language = $this->originalLanguage;
$language_url = $this->originalLanguageUrl;
if ($this->originalLanguageDefault) {
$GLOBALS['conf']['language_default'] = $this->originalLanguageDefault;
}
// Close the CURL handler and reset the cookies array so test classes
// containing multiple tests are not polluted.
$this
->curlClose();
$this->cookies = array();
}