class DrupalUnitTestCase in Drupal 7

Test case for Drupal unit tests.

These tests can not access the database nor files. Calling any Drupal function that needs the database will throw exceptions. These include watchdog(), module_implements(), module_invoke_all() etc.

Hierarchy

class \DrupalTestCase
- class \DrupalUnitTestCase

Expanded class hierarchy of DrupalUnitTestCase

File

modules/simpletest/drupal_web_test_case.php, line 727

View source

class DrupalUnitTestCase extends DrupalTestCase {

  /**
   * Constructor for DrupalUnitTestCase.
   */
  function __construct($test_id = NULL) {
    parent::__construct($test_id);
    $this->skipClasses[__CLASS__] = TRUE;
  }

  /**
   * Sets up unit test environment.
   *
   * Unlike DrupalWebTestCase::setUp(), DrupalUnitTestCase::setUp() does not
   * install modules because tests are performed without accessing the database.
   * Any required files must be explicitly included by the child class setUp()
   * method.
   */
  protected function setUp() {
    global $conf, $language;

    // Store necessary current values before switching to the test environment.
    $this->originalFileDirectory = variable_get('file_public_path', conf_path() . '/files');
    $this->verboseDirectoryUrl = file_create_url($this->originalFileDirectory . '/simpletest/verbose');

    // Set up English language.
    $this->originalLanguage = $language;
    $this->originalLanguageDefault = variable_get('language_default');
    unset($conf['language_default']);
    $language = language_default();

    // Reset all statics so that test is performed with a clean environment.
    drupal_static_reset();

    // Generate temporary prefixed database to ensure that tests have a clean starting point.
    $this->databasePrefix = Database::getConnection()
      ->prefixTables('{simpletest' . mt_rand(1000, 1000000) . '}');

    // Create test directory.
    $public_files_directory = $this->originalFileDirectory . '/simpletest/' . substr($this->databasePrefix, 10);
    file_prepare_directory($public_files_directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
    $conf['file_public_path'] = $public_files_directory;

    // Clone the current connection and replace the current prefix.
    $connection_info = Database::getConnectionInfo('default');
    Database::renameConnection('default', 'simpletest_original_default');
    foreach ($connection_info as $target => $value) {
      $connection_info[$target]['prefix'] = array(
        'default' => $value['prefix']['default'] . $this->databasePrefix,
      );
    }
    Database::addConnectionInfo('default', 'default', $connection_info['default']);

    // Set user agent to be consistent with web test case.
    $_SERVER['HTTP_USER_AGENT'] = $this->databasePrefix;

    // If locale is enabled then t() will try to access the database and
    // subsequently will fail as the database is not accessible.
    $module_list = module_list();
    if (isset($module_list['locale'])) {

      // Transform the list into the format expected as input to module_list().
      foreach ($module_list as &$module) {
        $module = array(
          'filename' => drupal_get_filename('module', $module),
        );
      }
      $this->originalModuleList = $module_list;
      unset($module_list['locale']);
      module_list(TRUE, FALSE, FALSE, $module_list);
    }
    $this->setup = TRUE;
  }
  protected function tearDown() {
    global $conf, $language;

    // Get back to the original connection.
    Database::removeConnection('default');
    Database::renameConnection('simpletest_original_default', 'default');
    $conf['file_public_path'] = $this->originalFileDirectory;

    // Restore modules if necessary.
    if (isset($this->originalModuleList)) {
      module_list(TRUE, FALSE, FALSE, $this->originalModuleList);
    }

    // Reset language.
    $language = $this->originalLanguage;
    if ($this->originalLanguageDefault) {
      $GLOBALS['conf']['language_default'] = $this->originalLanguageDefault;
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DrupalTestCase::$assertions	protected	property	Assertions thrown in that test case.
DrupalTestCase::$databasePrefix	protected	property	The database prefix of this test run.
DrupalTestCase::$originalFileDirectory	protected	property	The original file directory, before it was changed for testing purposes.
DrupalTestCase::$results	public	property	Current results of this test case.
DrupalTestCase::$setup	protected	property	Flag to indicate whether the test has been set up.
DrupalTestCase::$setupDatabasePrefix	protected	property
DrupalTestCase::$setupEnvironment	protected	property
DrupalTestCase::$skipClasses	protected	property	This class is skipped when looking for the source of an assertion.
DrupalTestCase::$testId	protected	property	The test run ID.
DrupalTestCase::$timeLimit	protected	property	Time limit for the test.
DrupalTestCase::$useSetupInstallationCache	public	property	Whether to cache the installation part of the setUp() method.
DrupalTestCase::$useSetupModulesCache	public	property	Whether to cache the modules installation part of the setUp() method.
DrupalTestCase::$verboseDirectoryUrl	protected	property	URL to the verbose output file directory.
DrupalTestCase::assert	protected	function	Internal helper: stores the assert.
DrupalTestCase::assertEqual	protected	function	Check to see if two values are equal.
DrupalTestCase::assertFalse	protected	function	Check to see if a value is false (an empty string, 0, NULL, or FALSE).
DrupalTestCase::assertIdentical	protected	function	Check to see if two values are identical.
DrupalTestCase::assertNotEqual	protected	function	Check to see if two values are not equal.
DrupalTestCase::assertNotIdentical	protected	function	Check to see if two values are not identical.
DrupalTestCase::assertNotNull	protected	function	Check to see if a value is not NULL.
DrupalTestCase::assertNull	protected	function	Check to see if a value is NULL.
DrupalTestCase::assertTrue	protected	function	Check to see if a value is not false (not an empty string, 0, NULL, or FALSE).
DrupalTestCase::deleteAssert	public static	function	Delete an assertion record by message ID.
DrupalTestCase::error	protected	function	Fire an error assertion.	1
DrupalTestCase::errorHandler	public	function	Handle errors during test runs.	1
DrupalTestCase::exceptionHandler	protected	function	Handle exceptions.
DrupalTestCase::fail	protected	function	Fire an assertion that is always negative.
DrupalTestCase::generatePermutations	public static	function	Converts a list of possible parameters into a stack of permutations.
DrupalTestCase::getAssertionCall	protected	function	Cycles through backtrace until the first non-assertion method is found.
DrupalTestCase::getDatabaseConnection	public static	function	Returns the database connection to the site running Simpletest.
DrupalTestCase::insertAssert	public static	function	Store an assertion from outside the testing context.
DrupalTestCase::pass	protected	function	Fire an assertion that is always positive.
DrupalTestCase::randomName	public static	function	Generates a random string containing letters and numbers.
DrupalTestCase::randomString	public static	function	Generates a random string of ASCII characters of codes 32 to 126.
DrupalTestCase::run	public	function	Run all tests in this class.
DrupalTestCase::verbose	protected	function	Logs a verbose message in a text file.
DrupalUnitTestCase::setUp	protected	function	Sets up unit test environment.	9
DrupalUnitTestCase::tearDown	protected	function		1
DrupalUnitTestCase::__construct		function	Constructor for DrupalUnitTestCase. Overrides DrupalTestCase::__construct

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class DrupalUnitTestCase in Drupal 7

Hierarchy

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Members

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