function DrupalWebTestCase::copySetupCache

Copy the setup cache from/to another table and files directory.

Parameters

string $from: The prefix_id / cache_key from where to copy.

string $to: The prefix_id / cache_key to where to copy.

Return value

bool TRUE if the setup cache was copied to the current installation, FALSE otherwise.

File

modules/simpletest/drupal_web_test_case.php, line 1618

Class

DrupalWebTestCase

Test case for typical Drupal tests.

Code

protected function copySetupCache($from, $to) {
    $from_prefix = 'simpletest' . $from;
    $to_prefix = 'simpletest' . $to;
    try {
        $tables = db_query("SHOW TABLES LIKE :prefix", array(
            ':prefix' => db_like($from_prefix) . '%',
        ))->fetchCol();
        if (count($tables) == 0) {
            return FALSE;
        }
        foreach ($tables as $from_table) {
            $table = substr($from_table, strlen($from_prefix));
            $to_table = $to_prefix . $table;
            // Remove the table in case the copying process was interrupted.
            db_query('DROP TABLE IF EXISTS ' . $to_table);
            db_query('CREATE TABLE ' . $to_table . ' LIKE ' . $from_table);
            db_query('ALTER TABLE ' . $to_table . ' DISABLE KEYS');
            db_query('INSERT ' . $to_table . ' SELECT * FROM ' . $from_table);
            db_query('ALTER TABLE ' . $to_table . ' ENABLE KEYS');
        }
    } catch (Exception $e) {
        return FALSE;
    }
    $from_dir = $this->originalFileDirectory . '/simpletest/' . $from;
    $to_dir = $this->originalFileDirectory . '/simpletest/' . $to;
    $this->recursiveDirectoryCopy($from_dir, $to_dir);
    return TRUE;
}