SilverStripe\Dev\SapphireTest

Complexity

Total Complexity

162

Size/Duplication

Total Lines	1409
Duplicated Lines	0 %

Importance

Changes	2
Bugs	0	Features	0

61 Methods

Rating	Name	Duplication	Size	Complexity
A	tempDB()	0	10	3
A	is_running_test()	0	3	1
F	setUp()	0	70	12
A	getUsesTransactions()	0	3	1
A	getRequireDefaultRecordsFrom()	0	3	1
A	getIllegalExtensions()	0	3	1
A	set_is_running_test()	0	3	1
A	getUsesDatabase()	0	3	1
A	getRequiredExtensions()	0	3	1
A	get_fixture_file()	0	3	1
A	getExtraDataObjects()	0	3	1
A	assertListEquals()	0	15	2
A	getExtraRoutes()	0	10	2
A	getCurrentRelativePath()	0	8	2
A	clearEmails()	0	9	2
A	tearDownAfterClass()	0	7	1
A	objFromFixture()	0	15	2
A	resolveFixturePath()	0	21	4
A	resetDBSchema()	0	15	5
A	shouldSetupDatabaseForCurrentTest()	0	6	4
B	start()	0	57	8
A	assertSQLEquals()	0	10	1
A	logOut()	0	5	1
A	allFixtureIDs()	0	5	1
B	tearDown()	0	20	7
A	currentTestDisablesDatabase()	0	6	2
A	assertDOSContains()	0	4	1
A	assertDOSEquals()	0	4	1
A	setFixtureFactory()	0	8	1
A	idFromFixture()	0	15	2
A	assertSQLNotContains()	0	15	2
A	getCurrentAbsolutePath()	0	8	2
A	logInAs()	0	8	3
A	currentTestEnablesDatabase()	0	6	2
A	setUpRoutes()	0	21	4
A	getExtraControllers()	0	3	1
A	assertListAllMatch()	0	15	2
A	getFixtureFactory()	0	6	1
A	useTestTheme()	0	13	2
A	findEmail()	0	8	2
A	setUpBeforeClass()	0	16	4
A	actWithPermission()	0	3	1
A	assertNotDOSContains()	0	4	1
A	assertNotContains()	0	20	5
A	assertDOSAllMatch()	0	4	1
A	assertSQLContains()	0	15	2
A	normaliseSQL()	0	3	1
A	assertListNotContains()	0	19	2
A	assertEmailSent()	0	25	6
A	clearFixtures()	0	5	1
A	assertListContains()	0	15	2
A	logInWithPermission()	0	5	1
A	assertContains()	0	20	5
A	loadFixture()	0	5	1
A	createMemberWithPermission()	0	42	5
A	getFixturePaths()	0	12	3
A	assertNotContainsNonIterable()	0	13	3
A	assertContainsNonIterable()	0	13	3
A	getAnnotations()	0	5	1
D	assertInternalType()	0	48	18
A	createPHPUnitFrameworkException()	0	12	2

<?php

namespace SilverStripe\Dev;

use Exception;
use InvalidArgumentException;
use LogicException;

use PHPUnit\Framework\Constraint\LogicalNot;
use PHPUnit\Framework\Constraint\IsEqualCanonicalizing;
use PHPUnit\Framework\Constraint\IsType;
use PHPUnit\Framework\TestCase;
use PHPUnit\Framework\Exception as PHPUnitFrameworkException;
use PHPUnit\Util\Test as TestUtil;
use SilverStripe\CMS\Controllers\RootURLController;

The type SilverStripe\CMS\Controllers\RootURLController was not found. Maybe you did not declare it correctly or list all dependencies?

use SilverStripe\Control\CLIRequestBuilder;
use SilverStripe\Control\Controller;
use SilverStripe\Control\Cookie;
use SilverStripe\Control\Director;
use SilverStripe\Control\Email\Email;
use SilverStripe\Control\Email\Mailer;
use SilverStripe\Control\HTTPApplication;
use SilverStripe\Control\HTTPRequest;
use SilverStripe\Core\Config\Config;
use SilverStripe\Core\Injector\Injector;
use SilverStripe\Core\Injector\InjectorLoader;
use SilverStripe\Core\Manifest\ClassLoader;
use SilverStripe\Core\Manifest\ModuleResourceLoader;
use SilverStripe\Dev\Constraint\SSListContains;
use SilverStripe\Dev\Constraint\SSListContainsOnly;
use SilverStripe\Dev\Constraint\SSListContainsOnlyMatchingItems;
use SilverStripe\Dev\State\FixtureTestState;
use SilverStripe\Dev\State\SapphireTestState;
use SilverStripe\i18n\i18n;
use SilverStripe\ORM\Connect\TempDatabase;
use SilverStripe\ORM\DataObject;
use SilverStripe\ORM\FieldType\DBDatetime;
use SilverStripe\ORM\FieldType\DBField;
use SilverStripe\ORM\SS_List;
use SilverStripe\Security\Group;
use SilverStripe\Security\IdentityStore;
use SilverStripe\Security\Member;
use SilverStripe\Security\Permission;
use SilverStripe\Security\Security;
use SilverStripe\View\SSViewer;

// IsEqualCanonicalizing is a new class added in PHPUnit 9, this is just a way to
// ensure that we're not using something like PHPUnit 8
// Note: PHPUnit\Framework\TestCase exists in PHPUnit 5 as a forwards compatible wrapper
if (class_exists(IsEqualCanonicalizing::class)) {

    /**
     * This is for phpunit 9
     *
     * If using phpunit 5, see legacy/SapphireTest.php
     *
     * Test case class for the Sapphire framework.
     * Sapphire unit testing is based on PHPUnit, but provides a number of hooks into our data model that make it easier
     * to work with.
     *
     * This class should not be used anywhere outside of unit tests, as phpunit may not be installed
     * in production sites.
     */
    class SapphireTest extends TestCase implements TestOnly
    {
        /**
         * Path to fixture data for this test run.
         * If passed as an array, multiple fixture files will be loaded.
         * Please note that you won't be able to refer with "=>" notation
         * between the fixtures, they act independent of each other.
         *
         * @var string|array
         */
        protected static $fixture_file = null;

        /**
         * @deprecated 4.0..5.0 Use FixtureTestState instead
         * @var FixtureFactory
         */
        protected $fixtureFactory;

        /**
         * @var Boolean If set to TRUE, this will force a test database to be generated
         * in {@link setUp()}. Note that this flag is overruled by the presence of a
         * {@link $fixture_file}, which always forces a database build.
         *
         * @var bool
         */
        protected $usesDatabase = null;

        /**
         * This test will cleanup its state via transactions.
         * If set to false a full schema is forced between tests, but at a performance cost.
         *
         * @var bool
         */
        protected $usesTransactions = true;

        /**
         * @var bool
         */
        protected static $is_running_test = false;

        /**
         * By default, setUp() does not require default records. Pass
         * class names in here, and the require/augment default records
         * function will be called on them.
         *
         * @var array
         */
        protected $requireDefaultRecordsFrom = [];

        /**
         * A list of extensions that can't be applied during the execution of this run.  If they are
         * applied, they will be temporarily removed and a database migration called.
         *
         * The keys of the are the classes that the extensions can't be applied the extensions to, and
         * the values are an array of illegal extensions on that class.
         *
         * Set a class to `*` to remove all extensions (unadvised)
         *
         * @var array
         */
        protected static $illegal_extensions = [];

        /**
         * A list of extensions that must be applied during the execution of this run.  If they are
         * not applied, they will be temporarily added and a database migration called.
         *
         * The keys of the are the classes to apply the extensions to, and the values are an array
         * of required extensions on that class.
         *
         * Example:
         * <code>
         * array("MyTreeDataObject" => array("Versioned", "Hierarchy"))
         * </code>
         *
         * @var array
         */
        protected static $required_extensions = [];

        /**
         * By default, the test database won't contain any DataObjects that have the interface TestOnly.
         * This variable lets you define additional TestOnly DataObjects to set up for this test.
         * Set it to an array of DataObject subclass names.
         *
         * @var array
         */
        protected static $extra_dataobjects = [];

        /**
         * List of class names of {@see Controller} objects to register routes for
         * Controllers must implement Link() method
         *
         * @var array
         */
        protected static $extra_controllers = [];

        /**
         * We need to disabling backing up of globals to avoid overriding
         * the few globals SilverStripe relies on, like $lang for the i18n subsystem.
         *
         * @see http://sebastian-bergmann.de/archives/797-Global-Variables-and-PHPUnit.html
         */
        protected $backupGlobals = false;

        /**
         * State management container for SapphireTest
         *
         * @var SapphireTestState
         */
        protected static $state = null;

        /**
         * Temp database helper
         *
         * @var TempDatabase
         */
        protected static $tempDB = null;

        /**
         * @return TempDatabase
         */
        public static function tempDB()
        {
            if (!class_exists(TempDatabase::class)) {
                return null;
            }

            if (!static::$tempDB) {
                static::$tempDB = TempDatabase::create();
            }
            return static::$tempDB;
        }

        /**
         * Gets illegal extensions for this class
         *
         * @return array
         */
        public static function getIllegalExtensions()
        {
            return static::$illegal_extensions;
        }

        /**
         * Gets required extensions for this class
         *
         * @return array
         */
        public static function getRequiredExtensions()
        {
            return static::$required_extensions;
        }

        /**
         * Check if test bootstrapping has been performed. Must not be relied on
         * outside of unit tests.
         *
         * @return bool
         */
        protected static function is_running_test()
        {
            return self::$is_running_test;
        }

        /**
         * Set test running state
         *
         * @param bool $bool
         */
        protected static function set_is_running_test($bool)
        {
            self::$is_running_test = $bool;
        }

        /**
         * @return String
         */
        public static function get_fixture_file()
        {
            return static::$fixture_file;
        }

        /**
         * @return bool
         */
        public function getUsesDatabase()
        {
            return $this->usesDatabase;
        }

        /**
         * @return bool
         */
        public function getUsesTransactions()
        {
            return $this->usesTransactions;
        }

        /**
         * @return array
         */
        public function getRequireDefaultRecordsFrom()
        {
            return $this->requireDefaultRecordsFrom;
        }

        /**
         * Setup  the test.
         * Always sets up in order:
         *  - Reset php state
         *  - Nest
         *  - Custom state helpers
         *
         * User code should call parent::setUp() before custom setup code
         */
        protected function setUp(): void
        {
            if (!defined('FRAMEWORK_PATH')) {
                trigger_error(
                    'Missing constants, did you remember to include the test bootstrap in your phpunit.xml file?',
                    E_USER_WARNING
                );
            }

            // Call state helpers
            static::$state->setUp($this);

            // We cannot run the tests on this abstract class.
            if (static::class == __CLASS__) {

The condition static::class == __CLASS__ is always true.

                $this->markTestSkipped(sprintf('Skipping %s ', static::class));
            }

            // i18n needs to be set to the defaults or tests fail
            if (class_exists(i18n::class)) {
                i18n::set_locale(i18n::config()->uninherited('default_locale'));
            }

            // Set default timezone consistently to avoid NZ-specific dependencies
            date_default_timezone_set('UTC');

            if (class_exists(Member::class)) {
                Member::set_password_validator(null);
            }

            if (class_exists(Cookie::class)) {
                Cookie::config()->update('report_errors', false);
            }

            if (class_exists(RootURLController::class)) {
                RootURLController::reset();
            }

            if (class_exists(Security::class)) {
                Security::clear_database_is_ready();
            }

            // Set up test routes
            $this->setUpRoutes();

            $fixtureFiles = $this->getFixturePaths();

            if ($this->shouldSetupDatabaseForCurrentTest($fixtureFiles)) {
                // Assign fixture factory to deprecated prop in case old tests use it over the getter
                /** @var FixtureTestState $fixtureState */
                $fixtureState = static::$state->getStateByName('fixtures');
                $this->fixtureFactory = $fixtureState->getFixtureFactory(static::class);

                $this->logInWithPermission('ADMIN');
            }

            // turn off template debugging
            if (class_exists(SSViewer::class)) {
                SSViewer::config()->update('source_file_comments', false);
            }

            // Set up the test mailer
            if (class_exists(TestMailer::class)) {
                Injector::inst()->registerService(new TestMailer(), Mailer::class);
            }

            if (class_exists(Email::class)) {
                Email::config()->remove('send_all_emails_to');
                Email::config()->remove('send_all_emails_from');
                Email::config()->remove('cc_all_emails_to');
                Email::config()->remove('bcc_all_emails_to');
            }
        }


        /**
         * Helper method to determine if the current test should enable a test database
         *
         * @param $fixtureFiles
         * @return bool
         */
        protected function shouldSetupDatabaseForCurrentTest($fixtureFiles)
        {
            $databaseEnabledByDefault = $fixtureFiles || $this->usesDatabase;

            return ($databaseEnabledByDefault && !$this->currentTestDisablesDatabase())
                || $this->currentTestEnablesDatabase();
        }

        /**
         * Helper method to check, if the current test uses the database.
         * This can be switched on with the annotation "@useDatabase"
         *
         * @return bool
         */
        protected function currentTestEnablesDatabase()
        {
            $annotations = $this->getAnnotations();

            return array_key_exists('useDatabase', $annotations['method'])
                && $annotations['method']['useDatabase'][0] !== 'false';
        }

        /**
         * Helper method to check, if the current test uses the database.
         * This can be switched on with the annotation "@useDatabase false"
         *
         * @return bool
         */
        protected function currentTestDisablesDatabase()
        {
            $annotations = $this->getAnnotations();

            return array_key_exists('useDatabase', $annotations['method'])
                && $annotations['method']['useDatabase'][0] === 'false';
        }

        /**
         * Called once per test case ({@link SapphireTest} subclass).
         * This is different to {@link setUp()}, which gets called once
         * per method. Useful to initialize expensive operations which
         * don't change state for any called method inside the test,
         * e.g. dynamically adding an extension. See {@link teardownAfterClass()}
         * for tearing down the state again.
         *
         * Always sets up in order:
         *  - Reset php state
         *  - Nest
         *  - Custom state helpers
         *
         * User code should call parent::setUpBeforeClass() before custom setup code
         *
         * @throws Exception
         */
        public static function setUpBeforeClass(): void
        {
            // Start tests
            static::start();

            if (!static::$state) {
                throw new Exception('SapphireTest failed to bootstrap!');
            }

            // Call state helpers
            static::$state->setUpOnce(static::class);

            // Build DB if we have objects
            if (class_exists(DataObject::class) && static::getExtraDataObjects()) {
                DataObject::reset();
                static::resetDBSchema(true, true);
            }
        }

        /**
         * tearDown method that's called once per test class rather once per test method.
         *
         * Always sets up in order:
         *  - Custom state helpers
         *  - Unnest
         *  - Reset php state
         *
         * User code should call parent::tearDownAfterClass() after custom tear down code
         */
        public static function tearDownAfterClass(): void
        {
            // Call state helpers
            static::$state->tearDownOnce(static::class);

            // Reset DB schema
            static::resetDBSchema();
        }

        /**
         * @return FixtureFactory|false
         * @deprecated 4.0.0:5.0.0
         */
        public function getFixtureFactory()
        {
            Deprecation::notice('5.0', __FUNCTION__ . ' is deprecated, use ' . FixtureTestState::class . ' instead');
            /** @var FixtureTestState $state */
            $state = static::$state->getStateByName('fixtures');
            return $state->getFixtureFactory(static::class);
        }

        /**
         * Sets a new fixture factory
         * @param FixtureFactory $factory
         * @return $this
         * @deprecated 4.0.0:5.0.0
         */
        public function setFixtureFactory(FixtureFactory $factory)
        {
            Deprecation::notice('5.0', __FUNCTION__ . ' is deprecated, use ' . FixtureTestState::class . ' instead');
            /** @var FixtureTestState $state */
            $state = static::$state->getStateByName('fixtures');
            $state->setFixtureFactory($factory, static::class);
            $this->fixtureFactory = $factory;

The property SilverStripe\Dev\SapphireTest::$fixtureFactory has been deprecated: 4.0..5.0 Use FixtureTestState instead

            return $this;
        }

        /**
         * Get the ID of an object from the fixture.
         *
         * @param string $className The data class or table name, as specified in your fixture file.  Parent classes won't work
         * @param string $identifier The identifier string, as provided in your fixture file
         * @return int
         */
        protected function idFromFixture($className, $identifier)
        {
            /** @var FixtureTestState $state */
            $state = static::$state->getStateByName('fixtures');
            $id = $state->getFixtureFactory(static::class)->getId($className, $identifier);

            if (!$id) {
                throw new InvalidArgumentException(sprintf(
                    "Couldn't find object '%s' (class: %s)",
                    $identifier,
                    $className
                ));
            }

            return $id;
        }

        /**
         * Return all of the IDs in the fixture of a particular class name.
         * Will collate all IDs form all fixtures if multiple fixtures are provided.
         *
         * @param string $className The data class or table name, as specified in your fixture file
         * @return array A map of fixture-identifier => object-id
         */
        protected function allFixtureIDs($className)
        {
            /** @var FixtureTestState $state */
            $state = static::$state->getStateByName('fixtures');
            return $state->getFixtureFactory(static::class)->getIds($className);
        }

        /**
         * Get an object from the fixture.
         *
         * @param string $className The data class or table name, as specified in your fixture file. Parent classes won't work
         * @param string $identifier The identifier string, as provided in your fixture file
         *
         * @return DataObject
         */
        protected function objFromFixture($className, $identifier)
        {
            /** @var FixtureTestState $state */
            $state = static::$state->getStateByName('fixtures');
            $obj = $state->getFixtureFactory(static::class)->get($className, $identifier);

            if (!$obj) {

$obj is of type SilverStripe\ORM\DataObject, thus it always evaluated to true.

                throw new InvalidArgumentException(sprintf(
                    "Couldn't find object '%s' (class: %s)",
                    $identifier,
                    $className
                ));
            }

            return $obj;
        }

        /**
         * Load a YAML fixture file into the database.
         * Once loaded, you can use idFromFixture() and objFromFixture() to get items from the fixture.
         * Doesn't clear existing fixtures.
         * @param string $fixtureFile The location of the .yml fixture file, relative to the site base dir
         * @deprecated 4.0.0:5.0.0
         *
         */
        public function loadFixture($fixtureFile)
        {
            Deprecation::notice('5.0', __FUNCTION__ . ' is deprecated, use ' . FixtureTestState::class . ' instead');
            $fixture = Injector::inst()->create(YamlFixture::class, $fixtureFile);
            $fixture->writeInto($this->getFixtureFactory());

The function SilverStripe\Dev\SapphireTest::getFixtureFactory() has been deprecated: 4.0.0:5.0.0

        }

        /**
         * Clear all fixtures which were previously loaded through
         * {@link loadFixture()}
         */
        public function clearFixtures()
        {
            /** @var FixtureTestState $state */
            $state = static::$state->getStateByName('fixtures');
            $state->getFixtureFactory(static::class)->clear();
        }

        /**
         * Useful for writing unit tests without hardcoding folder structures.
         *
         * @return string Absolute path to current class.
         */
        protected function getCurrentAbsolutePath()
        {
            $filename = ClassLoader::inst()->getItemPath(static::class);
            if (!$filename) {
                throw new LogicException('getItemPath returned null for ' . static::class
                    . '. Try adding flush=1 to the test run.');
            }
            return dirname($filename);
        }

        /**
         * @return string File path relative to webroot
         */
        protected function getCurrentRelativePath()
        {
            $base = Director::baseFolder();
            $path = $this->getCurrentAbsolutePath();
            if (substr($path, 0, strlen($base)) == $base) {
                $path = preg_replace('/^\/*/', '', substr($path, strlen($base)));
            }
            return $path;
        }

        /**
         * Setup  the test.
         * Always sets up in order:
         *  - Custom state helpers
         *  - Unnest
         *  - Reset php state
         *
         * User code should call parent::tearDown() after custom tear down code
         */
        protected function tearDown(): void
        {
            // Reset mocked datetime
            if (class_exists(DBDatetime::class)) {
                DBDatetime::clear_mock_now();
            }

            // Stop the redirection that might have been requested in the test.
            // Note: Ideally a clean Controller should be created for each test.
            // Now all tests executed in a batch share the same controller.
            if (class_exists(Controller::class)) {
                $controller = Controller::has_curr() ? Controller::curr() : null;
                if ($controller && ($response = $controller->getResponse()) && $response->getHeader('Location')) {
                    $response->setStatusCode(200);
                    $response->removeHeader('Location');
                }
            }

            // Call state helpers
            static::$state->tearDown($this);
        }

        public static function assertContains(
            $needle,
            $haystack,
            $message = '',
            $ignoreCase = false,
            $checkForObjectIdentity = true,
            $checkForNonObjectIdentity = false
        ): void {
            if ($haystack instanceof DBField) {
                $haystack = (string)$haystack;
            }
            if (is_iterable($haystack)) {
                $strict = is_object($needle) ? $checkForObjectIdentity : $checkForObjectIdentity;
                if ($strict) {
                    parent::assertContains($needle, $haystack, $message);
                } else {
                    parent::assertContainsEquals($needle, $haystack, $message);
                }
            } else {
                static::assertContainsNonIterable($needle, $haystack, $message, $ignoreCase);
            }
        }

        public static function assertContainsNonIterable(
            $needle,
            $haystack,
            $message = '',
            $ignoreCase = false
        ): void {
            if ($haystack instanceof DBField) {
                $haystack = (string)$haystack;
            }
            if ($ignoreCase) {
                parent::assertStringContainsStringIgnoringCase($needle, $haystack, $message);
            } else {
                parent::assertStringContainsString($needle, $haystack, $message);
            }
        }

        public static function assertNotContains(
            $needle,
            $haystack,
            $message = '',
            $ignoreCase = false,
            $checkForObjectIdentity = true,
            $checkForNonObjectIdentity = false
        ): void {
            if ($haystack instanceof DBField) {
                $haystack = (string)$haystack;
            }
            if (is_iterable($haystack)) {
                $strict = is_object($needle) ? $checkForObjectIdentity : $checkForObjectIdentity;
                if ($strict) {
                    parent::assertNotContains($needle, $haystack, $message);
                } else {
                    parent::assertNotContainsEquals($needle, $haystack, $message);
                }
            } else {
                static::assertNotContainsNonIterable($needle, $haystack, $message, $ignoreCase);
            }
        }

        protected static function assertNotContainsNonIterable(
            $needle,
            $haystack,
            $message = '',
            $ignoreCase = false
        ): void {
            if ($haystack instanceof DBField) {
                $haystack = (string)$haystack;
            }
            if ($ignoreCase) {
                parent::assertStringNotContainsStringIgnoringCase($needle, $haystack, $message);
            } else {
                parent::assertStringNotContainsString($needle, $haystack, $message);
            }
        }

        /**
         * Backwards compatibility for core tests
         */
        public static function assertInternalType($expected, $actual, $message = '')
        {
            switch ($expected) {
                case 'numeric':
                    static::assertIsNumeric($actual, $message);
                    return;
                case 'integer':
                case 'int':
                    static::assertIsInt($actual, $message);
                    return;
                case 'double':
                case 'float':
                case 'real':
                    static::assertIsFloat($actual, $message);
                    return;
                case 'string':
                    static::assertIsString($actual, $message);
                    return;
                case 'boolean':
                case 'bool':
                    static::assertIsBool($actual, $message);
                    return;
                case 'null':
                    static::assertTrue(is_null($actual), $message);
                    return;
                case 'array':
                    static::assertIsArray($actual, $message);
                    return;
                case 'object':
                    static::assertIsObject($actual, $message);
                    return;
                case 'resource':
                    static::assertIsResource($actual, $message);
                    return;
                case 'resource (closed)':
                    static::assertIsClosedResource($actual, $message);
                    return;
                case 'scalar':
                    static::assertIsScalar($actual, $message);
                    return;
                case 'callable':
                    static::assertIsCallable($actual, $message);
                    return;
                case 'iterable':
                    static::assertIsIterable($actual, $message);
                    return;
                default:
                    return false;
            }
        }

        /**
         * Clear the log of emails sent
         *
         * @return bool True if emails cleared
         */
        public function clearEmails()
        {
            /** @var Mailer $mailer */
            $mailer = Injector::inst()->get(Mailer::class);
            if ($mailer instanceof TestMailer) {
                $mailer->clearEmails();
                return true;
            }
            return false;
        }

        /**
         * Search for an email that was sent.
         * All of the parameters can either be a string, or, if they start with "/", a PREG-compatible regular expression.
         * @param string $to
         * @param string $from
         * @param string $subject
         * @param string $content
         * @return array|null Contains keys: 'Type', 'To', 'From', 'Subject', 'Content', 'PlainContent', 'AttachedFiles',
         *               'HtmlContent'
         */
        public static function findEmail($to, $from = null, $subject = null, $content = null)
        {
            /** @var Mailer $mailer */
            $mailer = Injector::inst()->get(Mailer::class);
            if ($mailer instanceof TestMailer) {
                return $mailer->findEmail($to, $from, $subject, $content);
            }
            return null;
        }

        /**
         * Assert that the matching email was sent since the last call to clearEmails()
         * All of the parameters can either be a string, or, if they start with "/", a PREG-compatible regular expression.
         *
         * @param string $to
         * @param string $from
         * @param string $subject
         * @param string $content
         */
        public static function assertEmailSent($to, $from = null, $subject = null, $content = null)
        {
            $found = (bool)static::findEmail($to, $from, $subject, $content);

            $infoParts = '';
            $withParts = [];
            if ($to) {
                $infoParts .= " to '$to'";
            }
            if ($from) {
                $infoParts .= " from '$from'";
            }
            if ($subject) {
                $withParts[] = "subject '$subject'";
            }
            if ($content) {
                $withParts[] = "content '$content'";
            }
            if ($withParts) {
                $infoParts .= ' with ' . implode(' and ', $withParts);
            }

            static::assertTrue(
                $found,
                "Failed asserting that an email was sent$infoParts."
            );
        }


        /**
         * Assert that the given {@link SS_List} includes DataObjects matching the given key-value
         * pairs.  Each match must correspond to 1 distinct record.
         *
         * @param SS_List|array $matches The patterns to match.  Each pattern is a map of key-value pairs.  You can
         * either pass a single pattern or an array of patterns.
         * @param SS_List $list The {@link SS_List} to test.
         * @param string $message
         *
         * Examples
         * --------
         * Check that $members includes an entry with Email = sam@example.com:
         *      $this->assertListContains(['Email' => '...@example.com'], $members);
         *
         * Check that $members includes entries with Email = sam@example.com and with
         * Email = ingo@example.com:
         *      $this->assertListContains([
         *         ['Email' => '...@example.com'],
         *         ['Email' => 'i...@example.com'],
         *      ], $members);
         */
        public static function assertListContains($matches, SS_List $list, $message = '')
        {
            if (!is_array($matches)) {
                throw self::createPHPUnitFrameworkException(
                    1,
                    'array'
                );
            }

            static::assertThat(
                $list,
                new SSListContains(
                    $matches
                ),
                $message
            );
        }

        /**
         * @param $matches
         * @param $dataObjectSet
         * @deprecated 4.0.0:5.0.0 Use assertListContains() instead
         *
         */
        public function assertDOSContains($matches, $dataObjectSet)
        {
            Deprecation::notice('5.0', 'Use assertListContains() instead');
            static::assertListContains($matches, $dataObjectSet);
        }

        /**
         * Asserts that no items in a given list appear in the given dataobject list
         *
         * @param SS_List|array $matches The patterns to match.  Each pattern is a map of key-value pairs.  You can
         * either pass a single pattern or an array of patterns.
         * @param SS_List $list The {@link SS_List} to test.
         * @param string $message
         *
         * Examples
         * --------
         * Check that $members doesn't have an entry with Email = sam@example.com:
         *      $this->assertListNotContains(['Email' => '...@example.com'], $members);
         *
         * Check that $members doesn't have entries with Email = sam@example.com and with
         * Email = ingo@example.com:
         *      $this->assertListNotContains([
         *          ['Email' => '...@example.com'],
         *          ['Email' => 'i...@example.com'],
         *      ], $members);
         */
        public static function assertListNotContains($matches, SS_List $list, $message = '')
        {
            if (!is_array($matches)) {
                throw self::createPHPUnitFrameworkException(
                    1,
                    'array'
                );
            }

            $constraint = new LogicalNot(
                new SSListContains(
                    $matches
                )
            );

            static::assertThat(
                $list,
                $constraint,
                $message
            );
        }

        /**
         * @param $matches
         * @param $dataObjectSet
         * @deprecated 4.0.0:5.0.0 Use assertListNotContains() instead
         *
         */
        public static function assertNotDOSContains($matches, $dataObjectSet)
        {
            Deprecation::notice('5.0', 'Use assertListNotContains() instead');
            static::assertListNotContains($matches, $dataObjectSet);
        }

        /**
         * Assert that the given {@link SS_List} includes only DataObjects matching the given
         * key-value pairs.  Each match must correspond to 1 distinct record.
         *
         * Example
         * --------
         * Check that *only* the entries Sam Minnee and Ingo Schommer exist in $members.  Order doesn't
         * matter:
         *     $this->assertListEquals([
         *        ['FirstName' =>'Sam', 'Surname' => 'Minnee'],
         *        ['FirstName' => 'Ingo', 'Surname' => 'Schommer'],
         *      ], $members);
         *
         * @param mixed $matches The patterns to match.  Each pattern is a map of key-value pairs.  You can
         * either pass a single pattern or an array of patterns.
         * @param mixed $list The {@link SS_List} to test.
         * @param string $message
         */
        public static function assertListEquals($matches, SS_List $list, $message = '')
        {
            if (!is_array($matches)) {
                throw self::createPHPUnitFrameworkException(
                    1,
                    'array'
                );
            }

            static::assertThat(
                $list,
                new SSListContainsOnly(
                    $matches
                ),
                $message
            );
        }

        /**
         * @param $matches
         * @param SS_List $dataObjectSet
         * @deprecated 4.0.0:5.0.0 Use assertListEquals() instead
         *
         */
        public function assertDOSEquals($matches, $dataObjectSet)
        {
            Deprecation::notice('5.0', 'Use assertListEquals() instead');
            static::assertListEquals($matches, $dataObjectSet);
        }


        /**
         * Assert that the every record in the given {@link SS_List} matches the given key-value
         * pairs.
         *
         * Example
         * --------
         * Check that every entry in $members has a Status of 'Active':
         *     $this->assertListAllMatch(['Status' => 'Active'], $members);
         *
         * @param mixed $match The pattern to match.  The pattern is a map of key-value pairs.
         * @param mixed $list The {@link SS_List} to test.
         * @param string $message
         */
        public static function assertListAllMatch($match, SS_List $list, $message = '')
        {
            if (!is_array($match)) {
                throw self::createPHPUnitFrameworkException(
                    1,
                    'array'
                );
            }

            static::assertThat(
                $list,
                new SSListContainsOnlyMatchingItems(
                    $match
                ),
                $message
            );
        }

        /**
         * @param $match
         * @param SS_List $dataObjectSet
         * @deprecated 4.0.0:5.0.0 Use assertListAllMatch() instead
         *
         */
        public function assertDOSAllMatch($match, SS_List $dataObjectSet)
        {
            Deprecation::notice('5.0', 'Use assertListAllMatch() instead');
            static::assertListAllMatch($match, $dataObjectSet);
        }

        /**
         * Removes sequences of repeated whitespace characters from SQL queries
         * making them suitable for string comparison
         *
         * @param string $sql
         * @return string The cleaned and normalised SQL string
         */
        protected static function normaliseSQL($sql)
        {
            return trim(preg_replace('/\s+/m', ' ', $sql));
        }

        /**
         * Asserts that two SQL queries are equivalent
         *
         * @param string $expectedSQL
         * @param string $actualSQL
         * @param string $message
         * @param float|int $delta
         * @param integer $maxDepth
         * @param boolean $canonicalize
         * @param boolean $ignoreCase
         */
        public static function assertSQLEquals(
            $expectedSQL,
            $actualSQL,
            $message = ''
        ) {
            // Normalise SQL queries to remove patterns of repeating whitespace
            $expectedSQL = static::normaliseSQL($expectedSQL);
            $actualSQL = static::normaliseSQL($actualSQL);

            static::assertEquals($expectedSQL, $actualSQL, $message);
        }

        /**
         * Asserts that a SQL query contains a SQL fragment
         *
         * @param string $needleSQL
         * @param string $haystackSQL
         * @param string $message
         * @param boolean $ignoreCase
         * @param boolean $checkForObjectIdentity
         */
        public static function assertSQLContains(
            $needleSQL,
            $haystackSQL,
            $message = '',
            $ignoreCase = false,
            $checkForObjectIdentity = true
        ) {
            $needleSQL = static::normaliseSQL($needleSQL);
            $haystackSQL = static::normaliseSQL($haystackSQL);
            if (is_iterable($haystackSQL)) {
                /** @var iterable $iterableHaystackSQL */
                $iterableHaystackSQL = $haystackSQL;
                static::assertContains($needleSQL, $iterableHaystackSQL, $message, $ignoreCase, $checkForObjectIdentity);
            } else {
                static::assertContainsNonIterable($needleSQL, $haystackSQL, $message, $ignoreCase);
            }
        }

        /**
         * Asserts that a SQL query contains a SQL fragment
         *
         * @param string $needleSQL
         * @param string $haystackSQL
         * @param string $message
         * @param boolean $ignoreCase
         * @param boolean $checkForObjectIdentity
         */
        public static function assertSQLNotContains(
            $needleSQL,
            $haystackSQL,
            $message = '',
            $ignoreCase = false,
            $checkForObjectIdentity = true
        ) {
            $needleSQL = static::normaliseSQL($needleSQL);
            $haystackSQL = static::normaliseSQL($haystackSQL);
            if (is_iterable($haystackSQL)) {
                /** @var iterable $iterableHaystackSQL */
                $iterableHaystackSQL = $haystackSQL;
                static::assertNotContains($needleSQL, $iterableHaystackSQL, $message, $ignoreCase, $checkForObjectIdentity);
            } else {
                static::assertNotContainsNonIterable($needleSQL, $haystackSQL, $message, $ignoreCase);
            }
        }

        /**
         * Start test environment
         */
        public static function start()
        {
            if (static::is_running_test()) {
                return;
            }

            // Health check
            if (InjectorLoader::inst()->countManifests()) {
                throw new LogicException('SapphireTest::start() cannot be called within another application');
            }
            static::set_is_running_test(true);

            // Test application
            $kernel = new TestKernel(BASE_PATH);

            if (class_exists(HTTPApplication::class)) {
                // Mock request
                $_SERVER['argv'] = ['vendor/bin/phpunit', '/'];
                $request = CLIRequestBuilder::createFromEnvironment();

                $app = new HTTPApplication($kernel);
                $flush = array_key_exists('flush', $request->getVars());

                // Custom application
                $res = $app->execute($request, function (HTTPRequest $request) {
                    // Start session and execute
                    $request->getSession()->init($request);

                    // Invalidate classname spec since the test manifest will now pull out new subclasses for each internal class
                    // (e.g. Member will now have various subclasses of DataObjects that implement TestOnly)
                    DataObject::reset();

                    // Set dummy controller;
                    $controller = Controller::create();
                    $controller->setRequest($request);
                    $controller->pushCurrent();
                    $controller->doInit();
                }, $flush);

                if ($res && $res->isError()) {
                    throw new LogicException($res->getBody());
                }
            } else {
                // Allow flush from the command line in the absence of HTTPApplication's special sauce
                $flush = false;
                foreach ($_SERVER['argv'] as $arg) {
                    if (preg_match('/^(--)?flush(=1)?$/', $arg)) {
                        $flush = true;
                    }
                }
                $kernel->boot($flush);
            }

            // Register state
            static::$state = SapphireTestState::singleton();
            // Register temp DB holder
            static::tempDB();
        }

        /**
         * Reset the testing database's schema, but only if it is active
         * @param bool $includeExtraDataObjects If true, the extraDataObjects tables will also be included
         * @param bool $forceCreate Force DB to be created if it doesn't exist
         */
        public static function resetDBSchema($includeExtraDataObjects = false, $forceCreate = false)
        {
            if (!static::$tempDB) {
                return;
            }

            // Check if DB is active before reset
            if (!static::$tempDB->isUsed()) {
                if (!$forceCreate) {
                    return;
                }
                static::$tempDB->build();
            }
            $extraDataObjects = $includeExtraDataObjects ? static::getExtraDataObjects() : [];
            static::$tempDB->resetDBSchema((array)$extraDataObjects);
        }

        /**
         * A wrapper for automatically performing callbacks as a user with a specific permission
         *
         * @param string|array $permCode
         * @param callable $callback
         * @return mixed
         */
        public function actWithPermission($permCode, $callback)
        {
            return Member::actAs($this->createMemberWithPermission($permCode), $callback);
        }

        /**
         * Create Member and Group objects on demand with specific permission code
         *
         * @param string|array $permCode
         * @return Member
         */
        protected function createMemberWithPermission($permCode)
        {
            if (is_array($permCode)) {
                $permArray = $permCode;
                $permCode = implode('.', $permCode);
            } else {
                $permArray = [$permCode];
            }

            // Check cached member
            if (isset($this->cache_generatedMembers[$permCode])) {
                $member = $this->cache_generatedMembers[$permCode];
            } else {
                // Generate group with these permissions
                $group = Group::create();
                $group->Title = "$permCode group";
                $group->write();

                // Create each individual permission
                foreach ($permArray as $permArrayItem) {
                    $permission = Permission::create();
                    $permission->Code = $permArrayItem;
                    $permission->write();
                    $group->Permissions()->add($permission);
                }

                $member = Member::get()->filter([
                    'Email' => "$permCode@example.org",
                ])->first();
                if (!$member) {
                    $member = Member::create();
                }

                $member->FirstName = $permCode;

The property FirstName does not exist on SilverStripe\ORM\DataObject. Since you implemented __set, consider adding a @property annotation.

                $member->Surname = 'User';

The property Surname does not exist on SilverStripe\ORM\DataObject. Since you implemented __set, consider adding a @property annotation.

                $member->Email = "$permCode@example.org";

The property Email does not exist on SilverStripe\ORM\DataObject. Since you implemented __set, consider adding a @property annotation.

                $member->write();
                $group->Members()->add($member);

                $this->cache_generatedMembers[$permCode] = $member;
            }
            return $member;
        }

        /**
         * Create a member and group with the given permission code, and log in with it.
         * Returns the member ID.
         *
         * @param string|array $permCode Either a permission, or list of permissions
         * @return int Member ID
         */
        public function logInWithPermission($permCode = 'ADMIN')
        {
            $member = $this->createMemberWithPermission($permCode);
            $this->logInAs($member);
            return $member->ID;
        }

        /**
         * Log in as the given member
         *
         * @param Member|int|string $member The ID, fixture codename, or Member object of the member that you want to log in
         */
        public function logInAs($member)
        {
            if (is_numeric($member)) {
                $member = DataObject::get_by_id(Member::class, $member);

It seems like $member can also be of type string; however, parameter $idOrCache of SilverStripe\ORM\DataObject::get_by_id() does only seem to accept boolean|integer, maybe add an additional type check?

            } elseif (!is_object($member)) {
                $member = $this->objFromFixture(Member::class, $member);
            }
            Injector::inst()->get(IdentityStore::class)->logIn($member);
        }

        /**
         * Log out the current user
         */
        public function logOut()
        {
            /** @var IdentityStore $store */
            $store = Injector::inst()->get(IdentityStore::class);
            $store->logOut();
        }

        /**
         * Cache for logInWithPermission()
         */
        protected $cache_generatedMembers = [];

        /**
         * Test against a theme.
         *
         * @param string $themeBaseDir themes directory
         * @param string $theme Theme name
         * @param callable $callback
         * @throws Exception
         */
        protected function useTestTheme($themeBaseDir, $theme, $callback)
        {
            Config::nest();
            if (strpos($themeBaseDir, BASE_PATH) === 0) {
                $themeBaseDir = substr($themeBaseDir, strlen(BASE_PATH));
            }
            SSViewer::config()->update('theme_enabled', true);
            SSViewer::set_themes([$themeBaseDir . '/themes/' . $theme, '$default']);

            try {
                $callback();
            } finally {
                Config::unnest();
            }
        }

        /**
         * Get fixture paths for this test
         *
         * @return array List of paths
         */
        protected function getFixturePaths()
        {
            $fixtureFile = static::get_fixture_file();
            if (empty($fixtureFile)) {
                return [];
            }

            $fixtureFiles = is_array($fixtureFile) ? $fixtureFile : [$fixtureFile];

The condition is_array($fixtureFile) is always false.

            return array_map(function ($fixtureFilePath) {
                return $this->resolveFixturePath($fixtureFilePath);
            }, $fixtureFiles);
        }

        /**
         * Return all extra objects to scaffold for this test
         * @return array
         */
        public static function getExtraDataObjects()
        {
            return static::$extra_dataobjects;
        }

        /**
         * Get additional controller classes to register routes for
         *
         * @return array
         */
        public static function getExtraControllers()
        {
            return static::$extra_controllers;
        }

        /**
         * Map a fixture path to a physical file
         *
         * @param string $fixtureFilePath
         * @return string
         */
        protected function resolveFixturePath($fixtureFilePath)
        {
            // support loading via composer name path.
            if (strpos($fixtureFilePath, ':') !== false) {
                return ModuleResourceLoader::singleton()->resolvePath($fixtureFilePath);
            }

            // Support fixture paths relative to the test class, rather than relative to webroot
            // String checking is faster than file_exists() calls.
            $resolvedPath = realpath($this->getCurrentAbsolutePath() . '/' . $fixtureFilePath);
            if ($resolvedPath) {
                return $resolvedPath;
            }

            // Check if file exists relative to base dir
            $resolvedPath = realpath(Director::baseFolder() . '/' . $fixtureFilePath);
            if ($resolvedPath) {
                return $resolvedPath;
            }

            return $fixtureFilePath;
        }

        protected function setUpRoutes()
        {
            if (!class_exists(Director::class)) {
                return;
            }

            // Get overridden routes
            $rules = $this->getExtraRoutes();

            // Add all other routes
            foreach (Director::config()->uninherited('rules') as $route => $rule) {
                if (!isset($rules[$route])) {
                    $rules[$route] = $rule;
                }
            }

            // Add default catch-all rule
            $rules['$Controller//$Action/$ID/$OtherID'] = '*';

            // Add controller-name auto-routing
            Director::config()->set('rules', $rules);
        }

        /**
         * Get extra routes to merge into Director.rules
         *
         * @return array
         */
        protected function getExtraRoutes()
        {
            $rules = [];
            foreach ($this->getExtraControllers() as $class) {
                $controllerInst = Controller::singleton($class);
                $link = Director::makeRelative($controllerInst->Link());
                $route = rtrim($link, '/') . '//$Action/$ID/$OtherID';
                $rules[$route] = $class;
            }
            return $rules;
        }

        // === REIMPLEMENTATION METHODS THAT EXISTED IN SAPPHIRE_TEST 5 ===

        /**
         * Reimplementation of phpunit5 PHPUnit_Util_InvalidArgumentHelper::factory()
         *
         * @param $argument
         * @param $type
         * @param $value
         */
        public static function createPHPUnitFrameworkException($argument, $type, $value = null)
        {
            $stack = debug_backtrace(false);

false of type false is incompatible with the type integer expected by parameter $options of debug_backtrace().

            return new PHPUnitFrameworkException(
                sprintf(
                    'Argument #%d%sof %s::%s() must be a %s',
                    $argument,
                    $value !== null ? ' (' . gettype($value) . '#' . $value . ')' : ' (No Value) ',
                    $stack[1]['class'],
                    $stack[1]['function'],
                    $type
                )
            );
        }

        /**
         * Returns the annotations for this test.
         *
         * @return array
         */
        public function getAnnotations()
        {
            return TestUtil::parseTestMethodAnnotations(
                get_class($this),
                $this->getName(false)
            );
        }
    }
}