public static Compressor getCompressor(CompressionType type) {
        return COMPRESSORS.get(type);
    }
@Test
    public void testGetCompressor_ReturnsNonNull() {
        for (CompressionType type : CompressionType.values()) {
            Compressor compressor = CompressorFactory.getCompressor(type);
            Assert.assertNotNull("Compressor should not be null for type " + type, compressor);
        }
    }