getPngWithoutExtension example

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
    {
        $jpg = $this->getJpg();
        $mediaWithThumbnail = $this->getMediaWithThumbnail();

        static::assertSame('jpgFileWithExtension.jpg', $strategy->generatePhysicalFilename($jpg));
        static::assertSame('jpgFileWithExtension_200x200.jpg', $strategy->generatePhysicalFilename($jpg, $mediaWithThumbnail->getThumbnails()->first()));
    }
}

$this->deleteMediaService = new DeleteNotUsedMediaService(
            $this->mediaRepo,
            $this->getContainer()->get('media_default_folder.repository')
        );
    }

    public function testCountNotUsedMedia(): void
    {
        $this->setFixtureContext($this->context);

        $this->getTxt();
        $this->getPngWithoutExtension();
        $this->getMediaWithProduct();
        $this->getMediaWithManufacturer();

        static::assertEquals(2, $this->deleteMediaService->countNotUsedMedia($this->context));
    }

    public function testDeleteNotUsedMedia(): void
    {
        $this->setFixtureContext($this->context);

        $txt = $this->getTxt();