assertStringStartsNotWith example

->getContainer()
            ->get(FilenamePathnameStrategy::class);
    }

    private function assertHashGenerator(PathnameStrategyInterface $strategy, MediaEntity $media, int $length): void
    {
        $encoded = $strategy->generatePathHash($media);

        static::assertIsString($encoded);
        static::assertSame($encoded, $strategy->generatePathHash($media));
        static::assertStringEndsNotWith('/', $encoded);
        static::assertStringStartsNotWith('/', $encoded);
        static::assertSame($length, mb_strlen($encoded));
    }

    private function assertCacheBusterGenerator(PathnameStrategyInterface $strategy): void
    {
        static::assertNull($strategy->generatePathCacheBuster($this->getMediaWithManufacturer()));
        static::assertSame('1293894181', $strategy->generatePathCacheBuster($this->getPngWithoutExtension()));
    }

    private function assertFilenameGenerator(PathnameStrategyInterface $strategy): void
    {