class UncaughtExceptionTest in Drupal 9

Same name and namespace in other branches

8 core/tests/Drupal/FunctionalTests/Bootstrap/UncaughtExceptionTest.php \Drupal\FunctionalTests\Bootstrap\UncaughtExceptionTest

Tests kernel panic when things are really messed up.

@group system

Hierarchy

class \Drupal\Tests\BrowserTestBase extends \PHPUnit\Framework\TestCase uses \Symfony\Bridge\PhpUnit\ExpectDeprecationTrait, FunctionalTestSetupTrait, TestSetupTrait, AssertLegacyTrait, BlockCreationTrait, ConfigTestTrait, ExtensionListTestTrait, ContentTypeCreationTrait, NodeCreationTrait, PhpUnitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait, PhpUnitWarnings, UiHelperTrait, UserCreationTrait, XdebugRequestTrait
- class \Drupal\FunctionalTests\Bootstrap\UncaughtExceptionTest

Expanded class hierarchy of UncaughtExceptionTest

File

core/tests/Drupal/FunctionalTests/Bootstrap/UncaughtExceptionTest.php, line 13

Namespace

Drupal\FunctionalTests\Bootstrap

View source

class UncaughtExceptionTest extends BrowserTestBase {

  /**
   * Exceptions thrown by site under test that contain this text are ignored.
   *
   * @var string
   */
  protected $expectedExceptionMessage;

  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'error_service_test',
    'error_test',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $settings_filename = $this->siteDirectory . '/settings.php';
    chmod($settings_filename, 0777);
    $settings_php = file_get_contents($settings_filename);
    $settings_php .= "\ninclude_once 'core/tests/Drupal/FunctionalTests/Bootstrap/ErrorContainer.php';\n";
    $settings_php .= "\ninclude_once 'core/tests/Drupal/FunctionalTests/Bootstrap/ExceptionContainer.php';\n";

    // Ensure we can test errors rather than being caught in
    // \Drupal\Core\Test\HttpClientMiddleware\TestHttpClientMiddleware.
    $settings_php .= "\ndefine('SIMPLETEST_COLLECT_ERRORS', FALSE);\n";
    file_put_contents($settings_filename, $settings_php);
    $settings = [];
    $settings['config']['system.logging']['error_level'] = (object) [
      'value' => ERROR_REPORTING_DISPLAY_VERBOSE,
      'required' => TRUE,
    ];
    $this
      ->writeSettings($settings);
  }

  /**
   * Tests uncaught exception handling when system is in a bad state.
   */
  public function testUncaughtException() {
    $this->expectedExceptionMessage = 'Oh oh, bananas in the instruments.';
    \Drupal::state()
      ->set('error_service_test.break_bare_html_renderer', TRUE);
    $settings = [];
    $settings['config']['system.logging']['error_level'] = (object) [
      'value' => ERROR_REPORTING_HIDE,
      'required' => TRUE,
    ];
    $this
      ->writeSettings($settings);
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->statusCodeEquals(500);
    $this
      ->assertSession()
      ->pageTextContains('The website encountered an unexpected error. Please try again later.');
    $this
      ->assertSession()
      ->pageTextNotContains($this->expectedExceptionMessage);
    $settings = [];
    $settings['config']['system.logging']['error_level'] = (object) [
      'value' => ERROR_REPORTING_DISPLAY_ALL,
      'required' => TRUE,
    ];
    $this
      ->writeSettings($settings);
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->statusCodeEquals(500);
    $this
      ->assertSession()
      ->pageTextContains('The website encountered an unexpected error. Please try again later.');
    $this
      ->assertSession()
      ->pageTextContains($this->expectedExceptionMessage);
    $this
      ->assertErrorLogged($this->expectedExceptionMessage);
  }

  /**
   * Tests displaying an uncaught fatal error.
   */
  public function testUncaughtFatalError() {
    $fatal_error = [
      '%type' => 'TypeError',
      '@message' => PHP_VERSION_ID >= 80000 ? 'Drupal\\error_test\\Controller\\ErrorTestController::Drupal\\error_test\\Controller\\{closure}(): Argument #1 ($test) must be of type array, string given, called in ' . \Drupal::root() . '/core/modules/system/tests/modules/error_test/src/Controller/ErrorTestController.php on line 65' : 'Argument 1 passed to Drupal\\error_test\\Controller\\ErrorTestController::Drupal\\error_test\\Controller\\{closure}() must be of the type array, string given, called in ' . \Drupal::root() . '/core/modules/system/tests/modules/error_test/src/Controller/ErrorTestController.php on line 65',
      '%function' => 'Drupal\\error_test\\Controller\\ErrorTestController->Drupal\\error_test\\Controller\\{closure}()',
    ];
    $this
      ->drupalGet('error-test/generate-fatals');
    $this
      ->assertSession()
      ->statusCodeEquals(500);
    $message = new FormattableMarkup('%type: @message in %function (line ', $fatal_error);
    $this
      ->assertSession()
      ->responseContains((string) $message);
    $this
      ->assertSession()
      ->responseContains('<pre class="backtrace">');

    // Ensure we are escaping but not double escaping.
    $this
      ->assertSession()
      ->responseContains('&#039;');
    $this
      ->assertSession()
      ->responseNotContains('&amp;#039;');
  }

  /**
   * Tests uncaught exception handling with custom exception handler.
   */
  public function testUncaughtExceptionCustomExceptionHandler() {
    $settings_filename = $this->siteDirectory . '/settings.php';
    chmod($settings_filename, 0777);
    $settings_php = file_get_contents($settings_filename);
    $settings_php .= "\n";
    $settings_php .= "set_exception_handler(function() {\n";
    $settings_php .= "  header('HTTP/1.1 418 I\\'m a teapot');\n";
    $settings_php .= "  print('Oh oh, flying teapots');\n";
    $settings_php .= "});\n";
    file_put_contents($settings_filename, $settings_php);
    \Drupal::state()
      ->set('error_service_test.break_bare_html_renderer', TRUE);
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->statusCodeEquals(418);
    $this
      ->assertSession()
      ->pageTextNotContains('The website encountered an unexpected error. Please try again later.');
    $this
      ->assertSession()
      ->pageTextNotContains('Oh oh, bananas in the instruments');
    $this
      ->assertSession()
      ->pageTextContains('Oh oh, flying teapots');
  }

  /**
   * Tests a missing dependency on a service.
   */
  public function testMissingDependency() {
    $this->expectedExceptionMessage = 'Too few arguments to function Drupal\\error_service_test\\LonelyMonkeyClass::__construct(), 0 passed';
    $this
      ->drupalGet('broken-service-class');
    $this
      ->assertSession()
      ->statusCodeEquals(500);
    $this
      ->assertSession()
      ->pageTextContains('The website encountered an unexpected error.');
    $this
      ->assertSession()
      ->pageTextContains($this->expectedExceptionMessage);
    $this
      ->assertErrorLogged($this->expectedExceptionMessage);
  }

  /**
   * Tests a missing dependency on a service with a custom error handler.
   */
  public function testMissingDependencyCustomErrorHandler() {
    $settings_filename = $this->siteDirectory . '/settings.php';
    chmod($settings_filename, 0777);
    $settings_php = file_get_contents($settings_filename);
    $settings_php .= "\n";
    $settings_php .= "set_error_handler(function() {\n";
    $settings_php .= "  header('HTTP/1.1 418 I\\'m a teapot');\n";
    $settings_php .= "  print('Oh oh, flying teapots');\n";
    $settings_php .= "  exit();\n";
    $settings_php .= "});\n";
    $settings_php .= "\$settings['teapots'] = TRUE;\n";
    file_put_contents($settings_filename, $settings_php);
    $this
      ->drupalGet('broken-service-class');
    $this
      ->assertSession()
      ->statusCodeEquals(418);
    $this
      ->assertSession()
      ->responseContains('Oh oh, flying teapots');
  }

  /**
   * Tests a container which has an error.
   */
  public function testErrorContainer() {
    $settings = [];
    $settings['settings']['container_base_class'] = (object) [
      'value' => '\\Drupal\\FunctionalTests\\Bootstrap\\ErrorContainer',
      'required' => TRUE,
    ];
    $this
      ->writeSettings($settings);
    \Drupal::service('kernel')
      ->invalidateContainer();
    $this->expectedExceptionMessage = PHP_VERSION_ID >= 80000 ? 'Drupal\\FunctionalTests\\Bootstrap\\ErrorContainer::Drupal\\FunctionalTests\\Bootstrap\\{closure}(): Argument #1 ($container) must be of type Drupal\\FunctionalTests\\Bootstrap\\ErrorContainer' : 'Argument 1 passed to Drupal\\FunctionalTests\\Bootstrap\\ErrorContainer::Drupal\\FunctionalTests\\Bootstrap\\{closur';
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->statusCodeEquals(500);
    $this
      ->assertSession()
      ->pageTextContains($this->expectedExceptionMessage);
    $this
      ->assertErrorLogged($this->expectedExceptionMessage);
  }

  /**
   * Tests a container which has an exception really early.
   */
  public function testExceptionContainer() {
    $settings = [];
    $settings['settings']['container_base_class'] = (object) [
      'value' => '\\Drupal\\FunctionalTests\\Bootstrap\\ExceptionContainer',
      'required' => TRUE,
    ];
    $this
      ->writeSettings($settings);
    \Drupal::service('kernel')
      ->invalidateContainer();
    $this->expectedExceptionMessage = 'Thrown exception during Container::get';
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->statusCodeEquals(500);
    $this
      ->assertSession()
      ->pageTextContains('The website encountered an unexpected error');
    $this
      ->assertSession()
      ->pageTextContains($this->expectedExceptionMessage);
    $this
      ->assertErrorLogged($this->expectedExceptionMessage);
  }

  /**
   * Tests the case when the database connection is gone.
   */
  public function testLostDatabaseConnection() {
    $incorrect_username = $this
      ->randomMachineName(16);
    switch ($this->container
      ->get('database')
      ->driver()) {
      case 'pgsql':
      case 'mysql':
        $this->expectedExceptionMessage = $incorrect_username;
        break;
      default:

        // We can not carry out this test.
        $this
          ->markTestSkipped('Unable to run \\Drupal\\system\\Tests\\System\\UncaughtExceptionTest::testLostDatabaseConnection for this database type.');
    }

    // We simulate a broken database connection by rewrite settings.php to no
    // longer have the proper data.
    $settings['databases']['default']['default']['username'] = (object) [
      'value' => $incorrect_username,
      'required' => TRUE,
    ];
    $settings['databases']['default']['default']['password'] = (object) [
      'value' => $this
        ->randomMachineName(16),
      'required' => TRUE,
    ];
    $this
      ->writeSettings($settings);
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->statusCodeEquals(500);
    $this
      ->assertSession()
      ->pageTextContains('DatabaseAccessDeniedException');
    $this
      ->assertErrorLogged($this->expectedExceptionMessage);
  }

  /**
   * Tests fallback to PHP error log when an exception is thrown while logging.
   */
  public function testLoggerException() {

    // Ensure the test error log is empty before these tests.
    $this
      ->assertNoErrorsLogged();
    $this->expectedExceptionMessage = 'Deforestation';
    \Drupal::state()
      ->set('error_service_test.break_logger', TRUE);
    $this
      ->drupalGet('');
    $this
      ->assertSession()
      ->statusCodeEquals(500);
    $this
      ->assertSession()
      ->pageTextContains('The website encountered an unexpected error. Please try again later.');
    $this
      ->assertSession()
      ->pageTextContains($this->expectedExceptionMessage);

    // Find fatal error logged to the error.log
    $errors = file(\Drupal::root() . '/' . $this->siteDirectory . '/error.log');
    $this
      ->assertCount(8, $errors, 'The error + the error that the logging service is broken has been written to the error log.');
    $this
      ->assertStringContainsString('Failed to log error', $errors[0], 'The error handling logs when an error could not be logged to the logger.');
    $expected_path = \Drupal::root() . '/core/modules/system/tests/modules/error_service_test/src/MonkeysInTheControlRoom.php';
    $expected_line = 61;
    $expected_entry = "Failed to log error: Exception: Deforestation in Drupal\\error_service_test\\MonkeysInTheControlRoom->handle() (line {$expected_line} of {$expected_path})";
    $this
      ->assertStringContainsString($expected_entry, $errors[0], 'Original error logged to the PHP error log when an exception is thrown by a logger');

    // The exception is expected. Do not interpret it as a test failure. Not
    // using File API; a potential error must trigger a PHP warning.
    unlink(\Drupal::root() . '/' . $this->siteDirectory . '/error.log');
  }

  /**
   * Asserts that a specific error has been logged to the PHP error log.
   *
   * @param string $error_message
   *   The expected error message.
   *
   * @see \Drupal\simpletest\TestBase::prepareEnvironment()
   * @see \Drupal\Core\DrupalKernel::bootConfiguration()
   */
  protected function assertErrorLogged($error_message) {
    $error_log_filename = DRUPAL_ROOT . '/' . $this->siteDirectory . '/error.log';
    $this
      ->assertFileExists($error_log_filename);
    $content = file_get_contents($error_log_filename);
    $rows = explode(PHP_EOL, $content);

    // We iterate over the rows in order to be able to remove the logged error
    // afterwards.
    $found = FALSE;
    foreach ($rows as $row_index => $row) {
      if (strpos($content, $error_message) !== FALSE) {
        $found = TRUE;
        unset($rows[$row_index]);
      }
    }
    file_put_contents($error_log_filename, implode("\n", $rows));
    $this
      ->assertTrue($found, sprintf('The %s error message was logged.', $error_message));
  }

  /**
   * Asserts that no errors have been logged to the PHP error.log thus far.
   *
   * @see \Drupal\simpletest\TestBase::prepareEnvironment()
   * @see \Drupal\Core\DrupalKernel::bootConfiguration()
   */
  protected function assertNoErrorsLogged() {

    // Since PHP only creates the error.log file when an actual error is
    // triggered, it is sufficient to check whether the file exists.
    $this
      ->assertFileDoesNotExist(DRUPAL_ROOT . '/' . $this->siteDirectory . '/error.log');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertLegacyTrait::assert Deprecated	protected	function
AssertLegacyTrait::assertCacheTag Deprecated	protected	function	Asserts whether an expected cache tag was present in the last response.
AssertLegacyTrait::assertElementNotPresent Deprecated	protected	function	Asserts that the element with the given CSS selector is not present.
AssertLegacyTrait::assertElementPresent Deprecated	protected	function	Asserts that the element with the given CSS selector is present.
AssertLegacyTrait::assertEqual Deprecated	protected	function
AssertLegacyTrait::assertEscaped Deprecated	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertLegacyTrait::assertField Deprecated	protected	function	Asserts that a field exists with the given name or ID.
AssertLegacyTrait::assertFieldById Deprecated	protected	function	Asserts that a field exists with the given ID and value.
AssertLegacyTrait::assertFieldByName Deprecated	protected	function	Asserts that a field exists with the given name and value.
AssertLegacyTrait::assertFieldByXPath Deprecated	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertLegacyTrait::assertFieldChecked Deprecated	protected	function	Asserts that a checkbox field in the current page is checked.
AssertLegacyTrait::assertFieldsByValue Deprecated	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertLegacyTrait::assertHeader Deprecated	protected	function	Checks that current response header equals value.
AssertLegacyTrait::assertIdentical Deprecated	protected	function
AssertLegacyTrait::assertIdenticalObject Deprecated	protected	function
AssertLegacyTrait::assertLink Deprecated	protected	function	Passes if a link with the specified label is found.
AssertLegacyTrait::assertLinkByHref Deprecated	protected	function	Passes if a link containing a given href (part) is found.
AssertLegacyTrait::assertNoCacheTag Deprecated	protected	function	Asserts whether an expected cache tag was absent in the last response.
AssertLegacyTrait::assertNoEscaped Deprecated	protected	function	Passes if the raw text is not found escaped on the loaded page.
AssertLegacyTrait::assertNoField Deprecated	protected	function	Asserts that a field does NOT exist with the given name or ID.
AssertLegacyTrait::assertNoFieldById Deprecated	protected	function	Asserts that a field does not exist with the given ID and value.
AssertLegacyTrait::assertNoFieldByName Deprecated	protected	function	Asserts that a field does not exist with the given name and value.
AssertLegacyTrait::assertNoFieldByXPath Deprecated	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertLegacyTrait::assertNoFieldChecked Deprecated	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertLegacyTrait::assertNoLink Deprecated	protected	function	Passes if a link with the specified label is not found.
AssertLegacyTrait::assertNoLinkByHref Deprecated	protected	function	Passes if a link containing a given href (part) is not found.
AssertLegacyTrait::assertNoOption Deprecated	protected	function	Asserts that a select option does NOT exist in the current page.
AssertLegacyTrait::assertNoPattern Deprecated	protected	function	Triggers a pass if the Perl regex pattern is not found in the raw content.
AssertLegacyTrait::assertNoRaw Deprecated	protected	function	Passes if the raw text IS not found on the loaded page, fail otherwise.
AssertLegacyTrait::assertNotEqual Deprecated	protected	function
AssertLegacyTrait::assertNoText Deprecated	protected	function	Passes if the page (with HTML stripped) does not contains the text.
AssertLegacyTrait::assertNotIdentical Deprecated	protected	function
AssertLegacyTrait::assertNoUniqueText Deprecated	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertLegacyTrait::assertOption Deprecated	protected	function	Asserts that a select option in the current page exists.
AssertLegacyTrait::assertOptionByText Deprecated	protected	function	Asserts that a select option with the visible text exists.
AssertLegacyTrait::assertOptionSelected Deprecated	protected	function	Asserts that a select option in the current page is checked.
AssertLegacyTrait::assertPattern Deprecated	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertLegacyTrait::assertRaw Deprecated	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.
AssertLegacyTrait::assertResponse Deprecated	protected	function	Asserts the page responds with the specified response code.
AssertLegacyTrait::assertText Deprecated	protected	function	Passes if the page (with HTML stripped) contains the text.
AssertLegacyTrait::assertTextHelper Deprecated	protected	function	Helper for assertText and assertNoText.
AssertLegacyTrait::assertTitle Deprecated	protected	function	Pass if the page title is the given string.
AssertLegacyTrait::assertUniqueText Deprecated	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertLegacyTrait::assertUrl Deprecated	protected	function	Passes if the internal browser's URL matches the given path.
AssertLegacyTrait::buildXPathQuery Deprecated	protected	function	Builds an XPath query.
AssertLegacyTrait::constructFieldXpath Deprecated	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertLegacyTrait::getAllOptions Deprecated	protected	function	Get all option elements, including nested options, in a select.
AssertLegacyTrait::getRawContent Deprecated	protected	function	Gets the current raw content.
AssertLegacyTrait::pass Deprecated	protected	function
AssertLegacyTrait::verbose Deprecated	protected	function
BlockCreationTrait::placeBlock	protected	function	Creates a block instance based on default settings. Aliased as: drupalPlaceBlock
BrowserHtmlDebugTrait::$htmlOutputBaseUrl	protected	property	The Base URI to use for links to the output files.
BrowserHtmlDebugTrait::$htmlOutputClassName	protected	property	Class name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounter	protected	property	Counter for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounterStorage	protected	property	Counter storage for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputDirectory	protected	property	Directory name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputEnabled	protected	property	HTML output output enabled.
BrowserHtmlDebugTrait::$htmlOutputFile	protected	property	The file name to write the list of URLs to.
BrowserHtmlDebugTrait::$htmlOutputTestId	protected	property	HTML output test ID.
BrowserHtmlDebugTrait::formatHtmlOutputHeaders	protected	function	Formats HTTP headers as string for HTML output logging.
BrowserHtmlDebugTrait::getHtmlOutputHeaders	protected	function	Returns headers in HTML output format.	1
BrowserHtmlDebugTrait::getResponseLogHandler	protected	function	Provides a Guzzle middleware handler to log every response received.
BrowserHtmlDebugTrait::htmlOutput	protected	function	Logs a HTML output message in a text file.
BrowserHtmlDebugTrait::initBrowserOutputFile	protected	function	Creates the directory to store browser output.
BrowserTestBase::$baseUrl	protected	property	The base URL.
BrowserTestBase::$configImporter	protected	property	The config importer that can be used in a test.
BrowserTestBase::$customTranslations	protected	property	An array of custom translations suitable for drupal_rewrite_settings().
BrowserTestBase::$databasePrefix	protected	property	The database prefix of this test run.
BrowserTestBase::$mink	protected	property	Mink session manager.
BrowserTestBase::$minkDefaultDriverArgs	protected	property	Mink default driver params.
BrowserTestBase::$minkDefaultDriverClass	protected	property	Mink class for the default driver to use.	1
BrowserTestBase::$originalContainer	protected	property	The original container.
BrowserTestBase::$originalShutdownCallbacks	protected	property	The original array of shutdown function callbacks.
BrowserTestBase::$preserveGlobalState	protected	property
BrowserTestBase::$profile	protected	property	The profile to install as a basis for testing.	39
BrowserTestBase::$root	protected	property	The app root.
BrowserTestBase::$runTestInSeparateProcess	protected	property	Browser tests are run in separate processes to prevent collisions between code that may be loaded by tests.
BrowserTestBase::$timeLimit	protected	property	Time limit in seconds for the test.
BrowserTestBase::$translationFilesDirectory	protected	property	The translation file directory for the test environment.
BrowserTestBase::cleanupEnvironment	protected	function	Clean up the Simpletest environment.
BrowserTestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
BrowserTestBase::drupalGetHeader Deprecated	protected	function	Gets the value of an HTTP response header.
BrowserTestBase::filePreDeleteCallback	public static	function	Ensures test files are deletable.
BrowserTestBase::getDefaultDriverInstance	protected	function	Gets an instance of the default Mink driver.
BrowserTestBase::getDrupalSettings	protected	function	Gets the JavaScript drupalSettings variable for the currently-loaded page.	1
BrowserTestBase::getHttpClient	protected	function	Obtain the HTTP client for the system under test.
BrowserTestBase::getMinkDriverArgs	protected	function	Get the Mink driver args from an environment variable, if it is set. Can be overridden in a derived class so it is possible to use a different value for a subset of tests, e.g. the JavaScript tests.	1
BrowserTestBase::getOptions	protected	function	Helper function to get the options of select field.
BrowserTestBase::getSession	public	function	Returns Mink session.
BrowserTestBase::getSessionCookies	protected	function	Get session cookies from current session.
BrowserTestBase::getTestMethodCaller	protected	function	Retrieves the current calling line in the class under test. Overrides BrowserHtmlDebugTrait::getTestMethodCaller
BrowserTestBase::initFrontPage	protected	function	Visits the front page when initializing Mink.	3
BrowserTestBase::initMink	protected	function	Initializes Mink sessions.	1
BrowserTestBase::installDrupal	public	function	Installs Drupal into the Simpletest site.	1
BrowserTestBase::registerSessions	protected	function	Registers additional Mink sessions.
BrowserTestBase::setUpAppRoot	protected	function	Sets up the root application path.
BrowserTestBase::setUpBeforeClass	public static	function		1
BrowserTestBase::tearDown	protected	function		3
BrowserTestBase::translatePostValues	protected	function	Transforms a nested array into a flat array suitable for submitForm().
BrowserTestBase::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
BrowserTestBase::__sleep	public	function	Prevents serializing any properties.
ConfigTestTrait::configImporter	protected	function	Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig	protected	function	Copies configuration objects from source storage to target storage.
ContentTypeCreationTrait::createContentType	protected	function	Creates a custom content type based on default settings. Aliased as: drupalCreateContentType	1
ExtensionListTestTrait::getModulePath	protected	function	Gets the path for the specified module.
ExtensionListTestTrait::getThemePath	protected	function	Gets the path for the specified theme.
FunctionalTestSetupTrait::$apcuEnsureUniquePrefix	protected	property	The flag to set 'apcu_ensure_unique_prefix' setting.	1
FunctionalTestSetupTrait::$classLoader	protected	property	The class loader to use for installation and initialization of setup.
FunctionalTestSetupTrait::$rootUser	protected	property	The "#1" admin user.
FunctionalTestSetupTrait::doInstall	protected	function	Execute the non-interactive installer.	1
FunctionalTestSetupTrait::getDatabaseTypes	protected	function	Returns all supported database driver installer objects.
FunctionalTestSetupTrait::initConfig	protected	function	Initialize various configurations post-installation.	1
FunctionalTestSetupTrait::initKernel	protected	function	Initializes the kernel after installation.
FunctionalTestSetupTrait::initSettings	protected	function	Initialize settings created during install.
FunctionalTestSetupTrait::initUserSession	protected	function	Initializes user 1 for the site to be installed.
FunctionalTestSetupTrait::installDefaultThemeFromClassProperty	protected	function	Installs the default theme defined by `static::$defaultTheme` when needed.
FunctionalTestSetupTrait::installModulesFromClassProperty	protected	function	Install modules defined by `static::$modules`.	1
FunctionalTestSetupTrait::installParameters	protected	function	Returns the parameters that will be used when Simpletest installs Drupal.	9
FunctionalTestSetupTrait::prepareEnvironment	protected	function	Prepares the current environment for running the test.	20
FunctionalTestSetupTrait::prepareRequestForGenerator	protected	function	Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings	protected	function	Prepares site settings and services before installation.	2
FunctionalTestSetupTrait::rebuildAll	protected	function	Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer	protected	function	Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll	protected	function	Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter	protected	function	Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl	protected	function	Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings	protected	function	Rewrites the settings.php file of the test site.	1
NodeCreationTrait::createNode	protected	function	Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle	public	function	Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PhpUnitWarnings::$deprecationWarnings	private static	property	Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning	public	function	Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
RandomGeneratorTrait::$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.	1
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.
RefreshVariablesTrait::refreshVariables	protected	function	Refreshes in-memory configuration and state information.	1
SessionTestTrait::$sessionName	protected	property	The name of the session cookie.
SessionTestTrait::generateSessionName	protected	function	Generates a session cookie name.
SessionTestTrait::getSessionName	protected	function	Returns the session name in use on the child site.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.	1
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.
TestSetupTrait::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
TestSetupTrait::$container	protected	property	The dependency injection container used in the test.
TestSetupTrait::$kernel	protected	property	The DrupalKernel instance used in the test.
TestSetupTrait::$originalSite	protected	property	The site directory of the original parent site.
TestSetupTrait::$privateFilesDirectory	protected	property	The private file directory for the test environment.
TestSetupTrait::$publicFilesDirectory	protected	property	The public file directory for the test environment.
TestSetupTrait::$siteDirectory	protected	property	The site directory of this test run.
TestSetupTrait::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	1
TestSetupTrait::$tempFilesDirectory	protected	property	The temporary file directory for the test environment.
TestSetupTrait::$testId	protected	property	The test run ID.
TestSetupTrait::changeDatabasePrefix	protected	function	Changes the database connection to the prefixed one.
TestSetupTrait::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
TestSetupTrait::getDatabaseConnection	public static	function	Returns the database connection to the site running Simpletest.
TestSetupTrait::prepareDatabasePrefix	protected	function	Generates a database prefix for running tests.	1
UiHelperTrait::$loggedInUser	protected	property	The current user logged in using the Mink controlled browser.
UiHelperTrait::$maximumMetaRefreshCount	protected	property	The number of meta refresh redirects to follow, or NULL if unlimited.
UiHelperTrait::$metaRefreshCount	protected	property	The number of meta refresh redirects followed during ::drupalGet().
UiHelperTrait::assertSession	public	function	Returns WebAssert object.	1
UiHelperTrait::buildUrl	protected	function	Builds an absolute URL from a system path or a URL object.
UiHelperTrait::checkForMetaRefresh	protected	function	Checks for meta refresh tag and if found call drupalGet() recursively.
UiHelperTrait::click	protected	function	Clicks the element with the given CSS selector.
UiHelperTrait::clickLink	protected	function	Follows a link by complete name.
UiHelperTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
UiHelperTrait::cssSelectToXpath	protected	function	Translates a CSS expression to its XPath equivalent.
UiHelperTrait::drupalGet	protected	function	Retrieves a Drupal path or an absolute path.	2
UiHelperTrait::drupalLogin	protected	function	Logs in a user using the Mink controlled browser.
UiHelperTrait::drupalLogout	protected	function	Logs a user out of the Mink controlled browser and confirms.
UiHelperTrait::drupalPostForm Deprecated	protected	function	Executes a form submission.
UiHelperTrait::drupalUserIsLoggedIn	protected	function	Returns whether a given user account is logged in.
UiHelperTrait::getAbsoluteUrl	protected	function	Takes a path and returns an absolute path.
UiHelperTrait::getTextContent	protected	function	Retrieves the plain-text content from the current page.
UiHelperTrait::getUrl	protected	function	Get the current URL from the browser.
UiHelperTrait::isTestUsingGuzzleClient	protected	function	Determines if test is using DrupalTestBrowser.
UiHelperTrait::prepareRequest	protected	function	Prepare for a request to testing site.	1
UiHelperTrait::submitForm	protected	function	Fills and submits a form.
UncaughtExceptionTest::$defaultTheme	protected	property	The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme
UncaughtExceptionTest::$expectedExceptionMessage	protected	property	Exceptions thrown by site under test that contain this text are ignored.
UncaughtExceptionTest::$modules	protected static	property	Modules to enable. Overrides BrowserTestBase::$modules
UncaughtExceptionTest::assertErrorLogged	protected	function	Asserts that a specific error has been logged to the PHP error log.
UncaughtExceptionTest::assertNoErrorsLogged	protected	function	Asserts that no errors have been logged to the PHP error.log thus far.
UncaughtExceptionTest::setUp	protected	function	Overrides BrowserTestBase::setUp
UncaughtExceptionTest::testErrorContainer	public	function	Tests a container which has an error.
UncaughtExceptionTest::testExceptionContainer	public	function	Tests a container which has an exception really early.
UncaughtExceptionTest::testLoggerException	public	function	Tests fallback to PHP error log when an exception is thrown while logging.
UncaughtExceptionTest::testLostDatabaseConnection	public	function	Tests the case when the database connection is gone.
UncaughtExceptionTest::testMissingDependency	public	function	Tests a missing dependency on a service.
UncaughtExceptionTest::testMissingDependencyCustomErrorHandler	public	function	Tests a missing dependency on a service with a custom error handler.
UncaughtExceptionTest::testUncaughtException	public	function	Tests uncaught exception handling when system is in a bad state.
UncaughtExceptionTest::testUncaughtExceptionCustomExceptionHandler	public	function	Tests uncaught exception handling with custom exception handler.
UncaughtExceptionTest::testUncaughtFatalError	public	function	Tests displaying an uncaught fatal error.
UserCreationTrait::checkPermissions	protected	function	Checks whether a given list of permission names is valid.
UserCreationTrait::createAdminRole	protected	function	Creates an administrative role.
UserCreationTrait::createRole	protected	function	Creates a role with specified permissions. Aliased as: drupalCreateRole
UserCreationTrait::createUser	protected	function	Create a user with a given set of permissions. Aliased as: drupalCreateUser
UserCreationTrait::grantPermissions	protected	function	Grant permissions to a user role.
UserCreationTrait::setCurrentUser	protected	function	Switch the current logged in user.
UserCreationTrait::setUpCurrentUser	protected	function	Creates a random user account and sets it as current user.
XdebugRequestTrait::extractCookiesFromRequest	protected	function	Adds xdebug cookies, from request setup.

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class UncaughtExceptionTest in Drupal 9

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