Neos\Cache\Tests\Unit\Frontend\AbstractFrontendTest::invalidEntryIdentifiersAreRecognizedAsInvalid PHP Метод

    public function invalidEntryIdentifiersAreRecognizedAsInvalid()
    {
        $identifier = 'someCacheIdentifier';
        $backend = $this->createMock(AbstractBackend::class);
        $cache = $this->getMockBuilder(StringFrontend::class)->setMethods(['__construct', 'get', 'set', 'has', 'remove', 'getByTag'])->setConstructorArgs([$identifier, $backend])->getMock();
        foreach (['', 'abc def', 'foo!', 'bar:', 'some/', 'bla*', 'one+', 'äöü', str_repeat('x', 251), 'x$', '\\a', 'b#'] as $entryIdentifier) {
            $this->assertFalse($cache->isValidEntryIdentifier($entryIdentifier), 'Invalid identifier "' . $entryIdentifier . '" was not rejected.');
        }
    }