trait DeprecationListenerTrait

trait DeprecationListenerTrait {
    use ExpectDeprecationTrait;
    
    /**
     * The previous error handler.
     *
     * @var callable
     */
    private $previousHandler;
    protected function deprecationStartTest($test) {
        if ($test instanceof TestCase) {
            if ('disabled' !== getenv('SYMFONY_DEPRECATIONS_HELPER')) {
                $this->registerErrorHandler($test);
            }
            if ($this->willBeIsolated($test)) {
                putenv('DRUPAL_EXPECTED_DEPRECATIONS_SERIALIZE=' . tempnam(sys_get_temp_dir(), 'exdep'));
            }
        }
    }
    
    /**
     * Reacts to the end of a test.
     *
     * @param \PHPUnit\Framework\Test $test
     *   The test object that has ended its test run.
     * @param float $time
     *   The time the test took.
     */
    protected function deprecationEndTest($test, $time) {
        
        /** @var \PHPUnit\Framework\Test $test */
        if ($file = getenv('DRUPAL_EXPECTED_DEPRECATIONS_SERIALIZE')) {
            putenv('DRUPAL_EXPECTED_DEPRECATIONS_SERIALIZE');
            $expected_deprecations = file_get_contents($file);
            if ($expected_deprecations) {
                $test->expectedDeprecations(unserialize($expected_deprecations));
            }
        }
        if ($file = getenv('SYMFONY_DEPRECATIONS_SERIALIZE')) {
            $method = $test->getName(FALSE);
            if (strpos($method, 'testLegacy') === 0 || strpos($method, 'provideLegacy') === 0 || strpos($method, 'getLegacy') === 0 || strpos(get_class($test), '\\Legacy') || in_array('legacy', Test::getGroups(get_class($test), $method), TRUE)) {
                // This is a legacy test don't skip deprecations.
                return;
            }
            // Need to edit the file of deprecations to remove any skipped
            // deprecations.
            $deprecations = file_get_contents($file);
            $deprecations = $deprecations ? unserialize($deprecations) : [];
            $resave = FALSE;
            foreach ($deprecations as $key => $deprecation) {
                if (in_array($deprecation[1], static::getSkippedDeprecations())) {
                    unset($deprecations[$key]);
                    $resave = TRUE;
                }
            }
            if ($resave) {
                file_put_contents($file, serialize($deprecations));
            }
        }
    }
    
    /**
     * Determines if a test is isolated.
     *
     * @param \PHPUnit\Framework\TestCase $test
     *   The test to check.
     *
     * @return bool
     *   TRUE if the isolated, FALSE if not.
     */
    private function willBeIsolated($test) {
        if ($test->isInIsolation()) {
            return FALSE;
        }
        $r = new \ReflectionProperty($test, 'runTestInSeparateProcess');
        $r->setAccessible(TRUE);
        return $r->getValue($test);
    }
    
    /**
     * A list of deprecations to ignore whilst fixes are put in place.
     *
     * Do not add any new deprecations to this list. All deprecation errors will
     * eventually be removed from this list.
     *
     * @return string[]
     *   A list of deprecations to ignore.
     *
     * @internal
     *
     * @todo Fix all these deprecations and remove them from this list.
     *   https://www.drupal.org/project/drupal/issues/2959269
     *
     * @see https://www.drupal.org/node/2811561
     */
    public static function getSkippedDeprecations() {
        return [
            'MigrateCckField is deprecated in Drupal 8.3.x and will be removed before Drupal 9.0.x. Use \\Drupal\\migrate_drupal\\Annotation\\MigrateField instead.',
            'MigrateCckFieldPluginManager is deprecated in Drupal 8.3.x and will be removed before Drupal 9.0.x. Use \\Drupal\\migrate_drupal\\Annotation\\MigrateFieldPluginManager instead.',
            'MigrateCckFieldPluginManagerInterface is deprecated in Drupal 8.3.x and will be removed before Drupal 9.0.x. Use \\Drupal\\migrate_drupal\\Annotation\\MigrateFieldPluginManagerInterface instead.',
            'The "plugin.manager.migrate.cckfield" service is deprecated. You should use the \'plugin.manager.migrate.field\' service instead. See https://www.drupal.org/node/2751897',
            'The Symfony\\Component\\ClassLoader\\ApcClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.',
            // The following deprecation is not triggered by DrupalCI testing since it
            // is a Windows only deprecation. Remove when core no longer uses
            // WinCacheClassLoader in \Drupal\Core\DrupalKernel::initializeSettings().
'The Symfony\\Component\\ClassLoader\\WinCacheClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.',
            // The following deprecation message is skipped for testing purposes.
'\\Drupal\\Tests\\SkippedDeprecationTest deprecation',
            // These deprecations are triggered by symfony/psr-http-message-factory
            // 1.2, which can be installed if you update dependencies on php 7 or
            // higher
'The "Symfony\\Bridge\\PsrHttpMessage\\Factory\\DiactorosFactory" class is deprecated since symfony/psr-http-message-bridge 1.2, use PsrHttpFactory instead.',
            'The "psr7.http_message_factory" service relies on the deprecated "Symfony\\Bridge\\PsrHttpMessage\\Factory\\DiactorosFactory" class. It should either be deprecated or its implementation upgraded.',
            // This deprecation comes from behat/mink-browserkit-driver when updating
            // symfony/browser-kit to 4.3+.
'The "Symfony\\Component\\BrowserKit\\Response::getStatus()" method is deprecated since Symfony 4.3, use getStatusCode() instead.',
            'The "core/jquery.ui.checkboxradio" asset library is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. See https://www.drupal.org/node/3067969',
            'The "core/jquery.ui.controlgroup" asset library is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. See https://www.drupal.org/node/3067969',
            'The "core/html5shiv" asset library is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. See https://www.drupal.org/node/3086383',
            'The "core/matchmedia" asset library is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. See https://www.drupal.org/node/3086653',
            'The "core/matchmedia.addListener" asset library is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. See https://www.drupal.org/node/3086653',
            'The "core/classList" asset library is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use the native browser implementation instead. See https://www.drupal.org/node/3089511',
            'The "core/jquery.ui.datepicker" asset library is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. See https://www.drupal.org/node/3081864',
            'The "locale/drupal.locale.datepicker" asset library is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. See https://www.drupal.org/node/3081864',
            'The "https://www.drupal.org/link-relations/create" string as a RestResource plugin annotation URI path key is deprecated in Drupal 8.4.0, now a valid link relation type name must be specified, so "create" must be specified instead before Drupal 9.0.0. See https://www.drupal.org/node/2737401.',
        ];
    }
    
    /**
     * Registers an error handler that wraps Symfony's DeprecationErrorHandler.
     *
     * @see \Symfony\Bridge\PhpUnit\DeprecationErrorHandler
     * @see \Symfony\Bridge\PhpUnit\Legacy\SymfonyTestsListenerTrait
     */
    protected function registerErrorHandler($test) {
        $deprecation_handler = function ($type, $msg, $file, $line, $context = []) {
            // Skip listed deprecations.
            if ($type === E_USER_DEPRECATED && in_array($msg, self::getSkippedDeprecations(), TRUE)) {
                return;
            }
            return call_user_func($this->previousHandler, $type, $msg, $file, $line, $context);
        };
        if ($this->previousHandler) {
            set_error_handler($deprecation_handler);
            return;
        }
        $this->previousHandler = set_error_handler($deprecation_handler);
        // Register another listener so that we can remove the error handler before
        // Symfony's DeprecationErrorHandler checks that it is the currently
        // registered handler. Note this is done like this to ensure the error
        // handler is removed after SymfonyTestsListenerTrait::endTest() is called.
        // SymfonyTestsListenerTrait has its own error handler that needs to be
        // removed before this one.
        $test_result_object = $test->getTestResultObject();
        // It's possible that a test does not have a result object. This can happen
        // when a test class does not have any test methods.
        if ($test_result_object) {
            $reflection_class = new \ReflectionClass($test_result_object);
            $reflection_property = $reflection_class->getProperty('listeners');
            $reflection_property->setAccessible(TRUE);
            $listeners = $reflection_property->getValue($test_result_object);
            $listeners[] = new AfterSymfonyListener();
            $reflection_property->setValue($test_result_object, $listeners);
        }
    }

}