class TransactionTest in Zircon Profile 8

Same name and namespace in other branches

8.0 core/modules/system/src/Tests/Database/TransactionTest.php \Drupal\system\Tests\Database\TransactionTest

Tests the transaction abstraction system.

We test nesting by having two transaction layers, an outer and inner. The outer layer encapsulates the inner layer. Our transaction nesting abstraction should allow the outer layer function to call any function it wants, especially the inner layer that starts its own transaction, and be confident that, when the function it calls returns, its own transaction is still "alive."

Call structure: transactionOuterLayer() Start transaction transactionInnerLayer() Start transaction (does nothing in database) [Maybe decide to roll back] Do more stuff Should still be in transaction A

@group Database

Hierarchy

class \Drupal\simpletest\TestBase uses AssertHelperTrait, RandomGeneratorTrait, SessionTestTrait
- class \Drupal\simpletest\KernelTestBase uses AssertContentTrait
  - class \Drupal\system\Tests\Database\DatabaseTestBase
    class \Drupal\system\Tests\Database\TransactionTest

Expanded class hierarchy of TransactionTest

File

core/modules/system/src/Tests/Database/TransactionTest.php, line 35: Contains \Drupal\system\Tests\Database\TransactionTest.

Namespace

Drupal\system\Tests\Database

View source

class TransactionTest extends DatabaseTestBase {

  /**
   * Encapsulates a transaction's "inner layer" with an "outer layer".
   *
   * This "outer layer" transaction starts and then encapsulates the "inner
   * layer" transaction. This nesting is used to evaluate whether the database
   * transaction API properly supports nesting. By "properly supports," we mean
   * the outer transaction continues to exist regardless of what functions are
   * called and whether those functions start their own transactions.
   *
   * In contrast, a typical database would commit the outer transaction, start
   * a new transaction for the inner layer, commit the inner layer transaction,
   * and then be confused when the outer layer transaction tries to commit its
   * transaction (which was already committed when the inner transaction
   * started).
   *
   * @param $suffix
   *   Suffix to add to field values to differentiate tests.
   * @param $rollback
   *   Whether or not to try rolling back the transaction when we're done.
   * @param $ddl_statement
   *   Whether to execute a DDL statement during the inner transaction.
   */
  protected function transactionOuterLayer($suffix, $rollback = FALSE, $ddl_statement = FALSE) {
    $connection = Database::getConnection();
    $depth = $connection
      ->transactionDepth();
    $txn = db_transaction();

    // Insert a single row into the testing table.
    db_insert('test')
      ->fields(array(
      'name' => 'David' . $suffix,
      'age' => '24',
    ))
      ->execute();
    $this
      ->assertTrue($connection
      ->inTransaction(), 'In transaction before calling nested transaction.');

    // We're already in a transaction, but we call ->transactionInnerLayer
    // to nest another transaction inside the current one.
    $this
      ->transactionInnerLayer($suffix, $rollback, $ddl_statement);
    $this
      ->assertTrue($connection
      ->inTransaction(), 'In transaction after calling nested transaction.');
    if ($rollback) {

      // Roll back the transaction, if requested.
      // This rollback should propagate to the last savepoint.
      $txn
        ->rollback();
      $this
        ->assertTrue($connection
        ->transactionDepth() == $depth, 'Transaction has rolled back to the last savepoint after calling rollback().');
    }
  }

  /**
   * Creates an "inner layer" transaction.
   *
   * This "inner layer" transaction is either used alone or nested inside of the
   * "outer layer" transaction.
   *
   * @param $suffix
   *   Suffix to add to field values to differentiate tests.
   * @param $rollback
   *   Whether or not to try rolling back the transaction when we're done.
   * @param $ddl_statement
   *   Whether to execute a DDL statement during the transaction.
   */
  protected function transactionInnerLayer($suffix, $rollback = FALSE, $ddl_statement = FALSE) {
    $connection = Database::getConnection();
    $depth = $connection
      ->transactionDepth();

    // Start a transaction. If we're being called from ->transactionOuterLayer,
    // then we're already in a transaction. Normally, that would make starting
    // a transaction here dangerous, but the database API handles this problem
    // for us by tracking the nesting and avoiding the danger.
    $txn = db_transaction();
    $depth2 = $connection
      ->transactionDepth();
    $this
      ->assertTrue($depth < $depth2, 'Transaction depth is has increased with new transaction.');

    // Insert a single row into the testing table.
    db_insert('test')
      ->fields(array(
      'name' => 'Daniel' . $suffix,
      'age' => '19',
    ))
      ->execute();
    $this
      ->assertTrue($connection
      ->inTransaction(), 'In transaction inside nested transaction.');
    if ($ddl_statement) {
      $table = array(
        'fields' => array(
          'id' => array(
            'type' => 'serial',
            'unsigned' => TRUE,
            'not null' => TRUE,
          ),
        ),
        'primary key' => array(
          'id',
        ),
      );
      db_create_table('database_test_1', $table);
      $this
        ->assertTrue($connection
        ->inTransaction(), 'In transaction inside nested transaction.');
    }
    if ($rollback) {

      // Roll back the transaction, if requested.
      // This rollback should propagate to the last savepoint.
      $txn
        ->rollback();
      $this
        ->assertTrue($connection
        ->transactionDepth() == $depth, 'Transaction has rolled back to the last savepoint after calling rollback().');
    }
  }

  /**
   * Tests transaction rollback on a database that supports transactions.
   *
   * If the active connection does not support transactions, this test does
   * nothing.
   */
  function testTransactionRollBackSupported() {

    // This test won't work right if transactions are not supported.
    if (!Database::getConnection()
      ->supportsTransactions()) {
      return;
    }
    try {

      // Create two nested transactions. Roll back from the inner one.
      $this
        ->transactionOuterLayer('B', TRUE);

      // Neither of the rows we inserted in the two transaction layers
      // should be present in the tables post-rollback.
      $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(
        ':name' => 'DavidB',
      ))
        ->fetchField();
      $this
        ->assertNotIdentical($saved_age, '24', 'Cannot retrieve DavidB row after commit.');
      $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(
        ':name' => 'DanielB',
      ))
        ->fetchField();
      $this
        ->assertNotIdentical($saved_age, '19', 'Cannot retrieve DanielB row after commit.');
    } catch (\Exception $e) {
      $this
        ->fail($e
        ->getMessage());
    }
  }

  /**
   * Tests transaction rollback on a database that doesn't support transactions.
   *
   * If the active driver supports transactions, this test does nothing.
   */
  function testTransactionRollBackNotSupported() {

    // This test won't work right if transactions are supported.
    if (Database::getConnection()
      ->supportsTransactions()) {
      return;
    }
    try {

      // Create two nested transactions. Attempt to roll back from the inner one.
      $this
        ->transactionOuterLayer('B', TRUE);

      // Because our current database claims to not support transactions,
      // the inserted rows should be present despite the attempt to roll back.
      $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(
        ':name' => 'DavidB',
      ))
        ->fetchField();
      $this
        ->assertIdentical($saved_age, '24', 'DavidB not rolled back, since transactions are not supported.');
      $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(
        ':name' => 'DanielB',
      ))
        ->fetchField();
      $this
        ->assertIdentical($saved_age, '19', 'DanielB not rolled back, since transactions are not supported.');
    } catch (\Exception $e) {
      $this
        ->fail($e
        ->getMessage());
    }
  }

  /**
   * Tests a committed transaction.
   *
   * The behavior of this test should be identical for connections that support
   * transactions and those that do not.
   */
  function testCommittedTransaction() {
    try {

      // Create two nested transactions. The changes should be committed.
      $this
        ->transactionOuterLayer('A');

      // Because we committed, both of the inserted rows should be present.
      $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(
        ':name' => 'DavidA',
      ))
        ->fetchField();
      $this
        ->assertIdentical($saved_age, '24', 'Can retrieve DavidA row after commit.');
      $saved_age = db_query('SELECT age FROM {test} WHERE name = :name', array(
        ':name' => 'DanielA',
      ))
        ->fetchField();
      $this
        ->assertIdentical($saved_age, '19', 'Can retrieve DanielA row after commit.');
    } catch (\Exception $e) {
      $this
        ->fail($e
        ->getMessage());
    }
  }

  /**
   * Tests the compatibility of transactions with DDL statements.
   */
  function testTransactionWithDdlStatement() {

    // First, test that a commit works normally, even with DDL statements.
    $transaction = db_transaction();
    $this
      ->insertRow('row');
    $this
      ->executeDDLStatement();
    unset($transaction);
    $this
      ->assertRowPresent('row');

    // Even in different order.
    $this
      ->cleanUp();
    $transaction = db_transaction();
    $this
      ->executeDDLStatement();
    $this
      ->insertRow('row');
    unset($transaction);
    $this
      ->assertRowPresent('row');

    // Even with stacking.
    $this
      ->cleanUp();
    $transaction = db_transaction();
    $transaction2 = db_transaction();
    $this
      ->executeDDLStatement();
    unset($transaction2);
    $transaction3 = db_transaction();
    $this
      ->insertRow('row');
    unset($transaction3);
    unset($transaction);
    $this
      ->assertRowPresent('row');

    // A transaction after a DDL statement should still work the same.
    $this
      ->cleanUp();
    $transaction = db_transaction();
    $transaction2 = db_transaction();
    $this
      ->executeDDLStatement();
    unset($transaction2);
    $transaction3 = db_transaction();
    $this
      ->insertRow('row');
    $transaction3
      ->rollback();
    unset($transaction3);
    unset($transaction);
    $this
      ->assertRowAbsent('row');

    // The behavior of a rollback depends on the type of database server.
    if (Database::getConnection()
      ->supportsTransactionalDDL()) {

      // For database servers that support transactional DDL, a rollback
      // of a transaction including DDL statements should be possible.
      $this
        ->cleanUp();
      $transaction = db_transaction();
      $this
        ->insertRow('row');
      $this
        ->executeDDLStatement();
      $transaction
        ->rollback();
      unset($transaction);
      $this
        ->assertRowAbsent('row');

      // Including with stacking.
      $this
        ->cleanUp();
      $transaction = db_transaction();
      $transaction2 = db_transaction();
      $this
        ->executeDDLStatement();
      unset($transaction2);
      $transaction3 = db_transaction();
      $this
        ->insertRow('row');
      unset($transaction3);
      $transaction
        ->rollback();
      unset($transaction);
      $this
        ->assertRowAbsent('row');
    }
    else {

      // For database servers that do not support transactional DDL,
      // the DDL statement should commit the transaction stack.
      $this
        ->cleanUp();
      $transaction = db_transaction();
      $this
        ->insertRow('row');
      $this
        ->executeDDLStatement();

      // Rollback the outer transaction.
      try {
        $transaction
          ->rollback();
        unset($transaction);

        // @TODO: an exception should be triggered here, but is not, because
        // "ROLLBACK" fails silently in MySQL if there is no transaction active.
        // $this->fail(t('Rolling back a transaction containing DDL should fail.'));
      } catch (TransactionNoActiveException $e) {
        $this
          ->pass('Rolling back a transaction containing DDL should fail.');
      }
      $this
        ->assertRowPresent('row');
    }
  }

  /**
   * Inserts a single row into the testing table.
   */
  protected function insertRow($name) {
    db_insert('test')
      ->fields(array(
      'name' => $name,
    ))
      ->execute();
  }

  /**
   * Executes a DDL statement.
   */
  protected function executeDDLStatement() {
    static $count = 0;
    $table = array(
      'fields' => array(
        'id' => array(
          'type' => 'serial',
          'unsigned' => TRUE,
          'not null' => TRUE,
        ),
      ),
      'primary key' => array(
        'id',
      ),
    );
    db_create_table('database_test_' . ++$count, $table);
  }

  /**
   * Starts over for a new test.
   */
  protected function cleanUp() {
    db_truncate('test')
      ->execute();
  }

  /**
   * Asserts that a given row is present in the test table.
   *
   * @param $name
   *   The name of the row.
   * @param $message
   *   The message to log for the assertion.
   */
  function assertRowPresent($name, $message = NULL) {
    if (!isset($message)) {
      $message = format_string('Row %name is present.', array(
        '%name' => $name,
      ));
    }
    $present = (bool) db_query('SELECT 1 FROM {test} WHERE name = :name', array(
      ':name' => $name,
    ))
      ->fetchField();
    return $this
      ->assertTrue($present, $message);
  }

  /**
   * Asserts that a given row is absent from the test table.
   *
   * @param $name
   *   The name of the row.
   * @param $message
   *   The message to log for the assertion.
   */
  function assertRowAbsent($name, $message = NULL) {
    if (!isset($message)) {
      $message = format_string('Row %name is absent.', array(
        '%name' => $name,
      ));
    }
    $present = (bool) db_query('SELECT 1 FROM {test} WHERE name = :name', array(
      ':name' => $name,
    ))
      ->fetchField();
    return $this
      ->assertFalse($present, $message);
  }

  /**
   * Tests transaction stacking, commit, and rollback.
   */
  function testTransactionStacking() {

    // This test won't work right if transactions are not supported.
    if (!Database::getConnection()
      ->supportsTransactions()) {
      return;
    }
    $database = Database::getConnection();

    // Standard case: pop the inner transaction before the outer transaction.
    $transaction = db_transaction();
    $this
      ->insertRow('outer');
    $transaction2 = db_transaction();
    $this
      ->insertRow('inner');

    // Pop the inner transaction.
    unset($transaction2);
    $this
      ->assertTrue($database
      ->inTransaction(), 'Still in a transaction after popping the inner transaction');

    // Pop the outer transaction.
    unset($transaction);
    $this
      ->assertFalse($database
      ->inTransaction(), 'Transaction closed after popping the outer transaction');
    $this
      ->assertRowPresent('outer');
    $this
      ->assertRowPresent('inner');

    // Pop the transaction in a different order they have been pushed.
    $this
      ->cleanUp();
    $transaction = db_transaction();
    $this
      ->insertRow('outer');
    $transaction2 = db_transaction();
    $this
      ->insertRow('inner');

    // Pop the outer transaction, nothing should happen.
    unset($transaction);
    $this
      ->insertRow('inner-after-outer-commit');
    $this
      ->assertTrue($database
      ->inTransaction(), 'Still in a transaction after popping the outer transaction');

    // Pop the inner transaction, the whole transaction should commit.
    unset($transaction2);
    $this
      ->assertFalse($database
      ->inTransaction(), 'Transaction closed after popping the inner transaction');
    $this
      ->assertRowPresent('outer');
    $this
      ->assertRowPresent('inner');
    $this
      ->assertRowPresent('inner-after-outer-commit');

    // Rollback the inner transaction.
    $this
      ->cleanUp();
    $transaction = db_transaction();
    $this
      ->insertRow('outer');
    $transaction2 = db_transaction();
    $this
      ->insertRow('inner');

    // Now rollback the inner transaction.
    $transaction2
      ->rollback();
    unset($transaction2);
    $this
      ->assertTrue($database
      ->inTransaction(), 'Still in a transaction after popping the outer transaction');

    // Pop the outer transaction, it should commit.
    $this
      ->insertRow('outer-after-inner-rollback');
    unset($transaction);
    $this
      ->assertFalse($database
      ->inTransaction(), 'Transaction closed after popping the inner transaction');
    $this
      ->assertRowPresent('outer');
    $this
      ->assertRowAbsent('inner');
    $this
      ->assertRowPresent('outer-after-inner-rollback');

    // Rollback the inner transaction after committing the outer one.
    $this
      ->cleanUp();
    $transaction = db_transaction();
    $this
      ->insertRow('outer');
    $transaction2 = db_transaction();
    $this
      ->insertRow('inner');

    // Pop the outer transaction, nothing should happen.
    unset($transaction);
    $this
      ->assertTrue($database
      ->inTransaction(), 'Still in a transaction after popping the outer transaction');

    // Now rollback the inner transaction, it should rollback.
    $transaction2
      ->rollback();
    unset($transaction2);
    $this
      ->assertFalse($database
      ->inTransaction(), 'Transaction closed after popping the inner transaction');
    $this
      ->assertRowPresent('outer');
    $this
      ->assertRowAbsent('inner');

    // Rollback the outer transaction while the inner transaction is active.
    // In that case, an exception will be triggered because we cannot
    // ensure that the final result will have any meaning.
    $this
      ->cleanUp();
    $transaction = db_transaction();
    $this
      ->insertRow('outer');
    $transaction2 = db_transaction();
    $this
      ->insertRow('inner');
    $transaction3 = db_transaction();
    $this
      ->insertRow('inner2');

    // Rollback the outer transaction.
    try {
      $transaction
        ->rollback();
      unset($transaction);
      $this
        ->fail('Rolling back the outer transaction while the inner transaction is active resulted in an exception.');
    } catch (TransactionOutOfOrderException $e) {
      $this
        ->pass('Rolling back the outer transaction while the inner transaction is active resulted in an exception.');
    }
    $this
      ->assertFalse($database
      ->inTransaction(), 'No more in a transaction after rolling back the outer transaction');

    // Try to commit one inner transaction.
    unset($transaction3);
    $this
      ->pass('Trying to commit an inner transaction resulted in an exception.');

    // Try to rollback one inner transaction.
    try {
      $transaction
        ->rollback();
      unset($transaction2);
      $this
        ->fail('Trying to commit an inner transaction resulted in an exception.');
    } catch (TransactionNoActiveException $e) {
      $this
        ->pass('Trying to commit an inner transaction resulted in an exception.');
    }
    $this
      ->assertRowAbsent('outer');
    $this
      ->assertRowAbsent('inner');
    $this
      ->assertRowAbsent('inner2');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertContentTrait::$content	protected	property	The current raw content.
AssertContentTrait::$drupalSettings	protected	property	The drupalSettings value from the current raw $content.
AssertContentTrait::$elements	protected	property	The XML structure parsed from the current raw $content.	2
AssertContentTrait::$plainTextContent	protected	property	The plain-text content of raw $content (text nodes).
AssertContentTrait::assertEscaped	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertField	protected	function	Asserts that a field exists with the given name or ID.
AssertContentTrait::assertFieldById	protected	function	Asserts that a field exists with the given ID and value.
AssertContentTrait::assertFieldByName	protected	function	Asserts that a field exists with the given name and value.
AssertContentTrait::assertFieldByXPath	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertContentTrait::assertFieldChecked	protected	function	Asserts that a checkbox field in the current page is checked.
AssertContentTrait::assertFieldsByValue	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertContentTrait::assertLink	protected	function	Passes if a link with the specified label is found.
AssertContentTrait::assertLinkByHref	protected	function	Passes if a link containing a given href (part) is found.
AssertContentTrait::assertNoDuplicateIds	protected	function	Asserts that each HTML ID is used for just a single element.
AssertContentTrait::assertNoEscaped	protected	function	Passes if the raw text IS NOT found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertNoField	protected	function	Asserts that a field does not exist with the given name or ID.
AssertContentTrait::assertNoFieldById	protected	function	Asserts that a field does not exist with the given ID and value.
AssertContentTrait::assertNoFieldByName	protected	function	Asserts that a field does not exist with the given name and value.
AssertContentTrait::assertNoFieldByXPath	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertContentTrait::assertNoFieldChecked	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertContentTrait::assertNoLink	protected	function	Passes if a link with the specified label is not found.
AssertContentTrait::assertNoLinkByHref	protected	function	Passes if a link containing a given href (part) is not found.
AssertContentTrait::assertNoLinkByHrefInMainRegion	protected	function	Passes if a link containing a given href is not found in the main region.
AssertContentTrait::assertNoOption	protected	function	Asserts that a select option in the current page does not exist.
AssertContentTrait::assertNoOptionSelected	protected	function	Asserts that a select option in the current page is not checked.
AssertContentTrait::assertNoPattern	protected	function	Triggers a pass if the perl regex pattern is not found in raw content.
AssertContentTrait::assertNoRaw	protected	function	Passes if the raw text is NOT found on the loaded page, fail otherwise.
AssertContentTrait::assertNoText	protected	function	Passes if the page (with HTML stripped) does not contains the text.
AssertContentTrait::assertNoTitle	protected	function	Pass if the page title is not the given string.
AssertContentTrait::assertNoUniqueText	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertContentTrait::assertOption	protected	function	Asserts that a select option in the current page exists.
AssertContentTrait::assertOptionSelected	protected	function	Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionSelectedWithDrupalSelector	protected	function	Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionWithDrupalSelector	protected	function	Asserts that a select option in the current page exists.
AssertContentTrait::assertPattern	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertContentTrait::assertRaw	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.
AssertContentTrait::assertText	protected	function	Passes if the page (with HTML stripped) contains the text.
AssertContentTrait::assertTextHelper	protected	function	Helper for assertText and assertNoText.
AssertContentTrait::assertTextPattern	protected	function	Asserts that a Perl regex pattern is found in the plain-text content.
AssertContentTrait::assertThemeOutput	protected	function	Asserts themed output.
AssertContentTrait::assertTitle	protected	function	Pass if the page title is the given string.
AssertContentTrait::assertUniqueText	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertContentTrait::assertUniqueTextHelper	protected	function	Helper for assertUniqueText and assertNoUniqueText.
AssertContentTrait::buildXPathQuery	protected	function	Builds an XPath query.
AssertContentTrait::constructFieldXpath	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertContentTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
AssertContentTrait::getAllOptions	protected	function	Get all option elements, including nested options, in a select.
AssertContentTrait::getDrupalSettings	protected	function	Gets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::getRawContent	protected	function	Gets the current raw content.
AssertContentTrait::getSelectedItem	protected	function	Get the selected value from a select field.
AssertContentTrait::getTextContent	protected	function	Retrieves the plain-text content from the current raw content.
AssertContentTrait::getUrl	protected	function	Get the current URL from the cURL handler.	1
AssertContentTrait::parse	protected	function	Parse content returned from curlExec using DOM and SimpleXML.
AssertContentTrait::removeWhiteSpace	protected	function	Removes all white-space between HTML tags from the raw content.
AssertContentTrait::setDrupalSettings	protected	function	Sets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::setRawContent	protected	function	Sets the raw content (e.g. HTML).
AssertContentTrait::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
AssertHelperTrait::castSafeStrings	protected	function	Casts MarkupInterface objects into strings.
DatabaseTestBase::$modules	public static	property	Modules to enable. Overrides KernelTestBase::$modules	3
DatabaseTestBase::addSampleData	static	function	Sets up our sample data.
DatabaseTestBase::ensureSampleDataNull		function	Sets up tables for NULL handling.
DatabaseTestBase::setUp	protected	function	Performs setup tasks before each individual test method is run. Overrides KernelTestBase::setUp
KernelTestBase::$configDirectories	protected	property	The configuration directories for this test run.
KernelTestBase::$keyValueFactory	protected	property	A KeyValueMemoryFactory instance to use when building the container.
KernelTestBase::$moduleFiles	private	property
KernelTestBase::$streamWrappers	protected	property	Array of registered stream wrappers.
KernelTestBase::$themeFiles	private	property
KernelTestBase::beforePrepareEnvironment	protected	function	Act on global state information before the environment is altered for a test. Overrides TestBase::beforePrepareEnvironment
KernelTestBase::containerBuild	public	function	Sets up the base service container for this test.	12
KernelTestBase::defaultLanguageData	protected	function	Provides the data for setting the default language on the container.	1
KernelTestBase::disableModules	protected	function	Disables modules for this test.
KernelTestBase::enableModules	protected	function	Enables modules for this test.
KernelTestBase::installConfig	protected	function	Installs default configuration for a given list of modules.
KernelTestBase::installEntitySchema	protected	function	Installs the storage schema for a specific entity type.
KernelTestBase::installSchema	protected	function	Installs a specific table from a module schema definition.
KernelTestBase::prepareConfigDirectories	protected	function	Create and set new configuration directories.	1
KernelTestBase::registerStreamWrapper	protected	function	Registers a stream wrapper for this test.
KernelTestBase::render	protected	function	Renders a render array.
KernelTestBase::tearDown	protected	function	Performs cleanup tasks after each individual test method has been run. Overrides TestBase::tearDown
KernelTestBase::__construct		function	Constructor for Test. Overrides TestBase::__construct
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
SessionTestTrait::$sessionName	protected	property	The name of the session cookie.
SessionTestTrait::generateSessionName	protected	function	Generates a session cookie name.
SessionTestTrait::getSessionName	protected	function	Returns the session name in use on the child site.
TestBase::$assertions	protected	property	Assertions thrown in that test case.
TestBase::$configImporter	protected	property	The config importer that can used in a test.	5
TestBase::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
TestBase::$container	protected	property	The dependency injection container used in the test.
TestBase::$databasePrefix	protected	property	The database prefix of this test run.
TestBase::$dieOnFail	public	property	Whether to die in case any test assertion fails.
TestBase::$httpAuthCredentials	protected	property	HTTP authentication credentials (<username>:<password>).
TestBase::$httpAuthMethod	protected	property	HTTP authentication method (specified as a CURLAUTH_* constant).
TestBase::$kernel	protected	property	The DrupalKernel instance used in the test.	1
TestBase::$originalConf	protected	property	The original configuration (variables), if available.
TestBase::$originalConfig	protected	property	The original configuration (variables).
TestBase::$originalConfigDirectories	protected	property	The original configuration directories.
TestBase::$originalContainer	protected	property	The original container.
TestBase::$originalFileDirectory	protected	property	The original file directory, before it was changed for testing purposes.
TestBase::$originalLanguage	protected	property	The original language.
TestBase::$originalPrefix	protected	property	The original database prefix when running inside Simpletest.
TestBase::$originalProfile	protected	property	The original installation profile.
TestBase::$originalSessionName	protected	property	The name of the session cookie of the test-runner.
TestBase::$originalSettings	protected	property	The settings array.
TestBase::$originalShutdownCallbacks	protected	property	The original array of shutdown function callbacks.	1
TestBase::$originalSite	protected	property	The site directory of the original parent site.
TestBase::$originalUser	protected	property	The original user, before testing began.	1
TestBase::$privateFilesDirectory	protected	property	The private file directory for the test environment.
TestBase::$publicFilesDirectory	protected	property	The public file directory for the test environment.
TestBase::$results	public	property	Current results of this test case.
TestBase::$siteDirectory	protected	property	The site directory of this test run.
TestBase::$skipClasses	protected	property	This class is skipped when looking for the source of an assertion.
TestBase::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	4
TestBase::$tempFilesDirectory	protected	property	The temporary file directory for the test environment.
TestBase::$testId	protected	property	The test run ID.
TestBase::$timeLimit	protected	property	Time limit for the test.
TestBase::$translationFilesDirectory	protected	property	The translation file directory for the test environment.
TestBase::$verbose	public	property	TRUE if verbose debugging is enabled.
TestBase::$verboseClassName	protected	property	Safe class name for use in verbose output filenames.
TestBase::$verboseDirectory	protected	property	Directory where verbose output files are put.
TestBase::$verboseDirectoryUrl	protected	property	URL to the verbose output file directory.
TestBase::$verboseId	protected	property	Incrementing identifier for verbose output filenames.
TestBase::assert	protected	function	Internal helper: stores the assert.
TestBase::assertEqual	protected	function	Check to see if two values are equal.
TestBase::assertErrorLogged	protected	function	Asserts that a specific error has been logged to the PHP error log.
TestBase::assertFalse	protected	function	Check to see if a value is false.
TestBase::assertIdentical	protected	function	Check to see if two values are identical.
TestBase::assertIdenticalObject	protected	function	Checks to see if two objects are identical.
TestBase::assertNoErrorsLogged	protected	function	Asserts that no errors have been logged to the PHP error.log thus far.
TestBase::assertNotEqual	protected	function	Check to see if two values are not equal.
TestBase::assertNotIdentical	protected	function	Check to see if two values are not identical.
TestBase::assertNotNull	protected	function	Check to see if a value is not NULL.
TestBase::assertNull	protected	function	Check to see if a value is NULL.
TestBase::assertTrue	protected	function	Check to see if a value is not false.
TestBase::changeDatabasePrefix	private	function	Changes the database connection to the prefixed one.
TestBase::checkRequirements	protected	function	Checks the matching requirements for Test.	2
TestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
TestBase::configImporter	public	function	Returns a ConfigImporter object to import test importing of configuration.	5
TestBase::copyConfig	public	function	Copies configuration objects from source storage to target storage.
TestBase::deleteAssert	public static	function	Delete an assertion record by message ID.
TestBase::error	protected	function	Fire an error assertion.	3
TestBase::errorHandler	public	function	Handle errors during test runs.
TestBase::exceptionHandler	protected	function	Handle exceptions.
TestBase::fail	protected	function	Fire an assertion that is always negative.
TestBase::filePreDeleteCallback	public static	function	Ensures test files are deletable within file_unmanaged_delete_recursive().
TestBase::generatePermutations	public static	function	Converts a list of possible parameters into a stack of permutations.
TestBase::getAssertionCall	protected	function	Cycles through backtrace until the first non-assertion method is found.
TestBase::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
TestBase::getDatabaseConnection	public static	function	Returns the database connection to the site running Simpletest.
TestBase::getDatabasePrefix	public	function	Gets the database prefix.
TestBase::getTempFilesDirectory	public	function	Gets the temporary files directory.
TestBase::insertAssert	public static	function	Store an assertion from outside the testing context.
TestBase::pass	protected	function	Fire an assertion that is always positive.
TestBase::prepareDatabasePrefix	private	function	Generates a database prefix for running tests.
TestBase::prepareEnvironment	private	function	Prepares the current environment for running the test.
TestBase::restoreEnvironment	private	function	Cleans up the test environment and restores the original environment.
TestBase::run	public	function	Run all tests in this class.	1
TestBase::settingsSet	protected	function	Changes in memory settings.
TestBase::storeAssertion	protected	function	Helper method to store an assertion record in the configured database.
TestBase::verbose	protected	function	Logs a verbose message in a text file.
TransactionTest::assertRowAbsent		function	Asserts that a given row is absent from the test table.
TransactionTest::assertRowPresent		function	Asserts that a given row is present in the test table.
TransactionTest::cleanUp	protected	function	Starts over for a new test.
TransactionTest::executeDDLStatement	protected	function	Executes a DDL statement.
TransactionTest::insertRow	protected	function	Inserts a single row into the testing table.
TransactionTest::testCommittedTransaction		function	Tests a committed transaction.
TransactionTest::testTransactionRollBackNotSupported		function	Tests transaction rollback on a database that doesn't support transactions.
TransactionTest::testTransactionRollBackSupported		function	Tests transaction rollback on a database that supports transactions.
TransactionTest::testTransactionStacking		function	Tests transaction stacking, commit, and rollback.
TransactionTest::testTransactionWithDdlStatement		function	Tests the compatibility of transactions with DDL statements.
TransactionTest::transactionInnerLayer	protected	function	Creates an "inner layer" transaction.
TransactionTest::transactionOuterLayer	protected	function	Encapsulates a transaction's "inner layer" with an "outer layer".

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class TransactionTest in Zircon Profile 8

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