How to use the lz4.frame.decompress_chunk function in lz4

def test_roundtrip_multiframe_3(data):
    nframes = 4

    compressed = b''
    ctx = lz4frame.create_compression_context()
    for _ in range(nframes):
        compressed += lz4frame.compress_begin(ctx)
        compressed += lz4frame.compress_chunk(ctx, data)
        compressed += lz4frame.compress_flush(ctx)

    decompressed = b''
    ctx = lz4frame.create_decompression_context()
    for _ in range(nframes):
        d, bytes_read, eof = lz4frame.decompress_chunk(ctx, compressed)
        decompressed += d
        assert eof == True
        assert bytes_read == len(compressed) // nframes

    assert len(decompressed) == nframes * len(data)
    assert data * nframes == decompressed

def test_decompress_chunk_return_type_4():
    c = lz4frame.compress(b'', return_bytearray=False)
    d = lz4frame.create_decompression_context()
    r = lz4frame.decompress_chunk(
        d,
        c,
        return_bytearray=True,
    )
    assert isinstance(r, tuple)
    assert isinstance(r[0], bytearray)
    assert isinstance(r[1], int)
    assert isinstance(r[2], bool)

def test_decompress_chunk_return_type_1():
    c = lz4frame.compress(b'', return_bytearray=False)
    d = lz4frame.create_decompression_context()
    r, b, e = lz4frame.decompress_chunk(
        d,
        c,
        return_bytearray=False,
    )
    assert isinstance(r, bytes)
    assert isinstance(b, int)
    assert isinstance(e, bool)

def test_decompress_chunk_return_type_2():
    c = lz4frame.compress(b'', return_bytearray=False)
    d = lz4frame.create_decompression_context()
    r, b, e = lz4frame.decompress_chunk(
        d,
        c,
        return_bytearray=True,
    )
    assert isinstance(r, bytearray)
    assert isinstance(b, int)
    assert isinstance(e, bool)

def test_frame_decompress_chunk_mem_usage(data):
    tracemalloc = pytest.importorskip('tracemalloc')
    tracemalloc.start()

    compressed = lz4.frame.compress(data)

    prev_snapshot = None

    for i in range(1000):
        context = lz4.frame.create_decompression_context()
        decompressed = lz4.frame.decompress_chunk(  # noqa: F841
            context, compressed
        )

        if i % 100 == 0:
            gc.collect()
            snapshot = tracemalloc.take_snapshot()

            if prev_snapshot:
                stats = snapshot.compare_to(prev_snapshot, 'lineno')
                assert stats[0].size_diff < MEM_INCREASE_LIMIT

            prev_snapshot = snapshot

def test_decompress_chunk_return_type_3():
    c = lz4frame.compress(b'', return_bytearray=False)
    d = lz4frame.create_decompression_context()
    r = lz4frame.decompress_chunk(
        d,
        c,
        return_bytearray=False,
    )
    assert isinstance(r, tuple)
    assert isinstance(r[0], bytes)
    assert isinstance(r[1], int)
    assert isinstance(r[2], bool)

def test_reset_decompression_context_2():
    if lz4.library_version_number() >= 10800:
        c = lz4frame.compress(b'1234', return_bytearray=False)
        context = lz4frame.create_decompression_context()
        try:
            # Simulate an error by passing junk to decompress
            d = lz4frame.decompress_chunk(context, c[1:3])
        except:
            pass
        r = lz4frame.reset_decompression_context(context)
        assert r is None
        # And confirm we can use the context after reset
        d, bytes_read, eof = lz4frame.decompress_chunk(context, c)
        assert d == b'1234'
        assert bytes_read == len(c)
        assert eof is True
    else:
        pass

len(data),
        store_size,
        block_size,
        block_linked,
        content_checksum,
        block_checksum,
    )

    d_context = lz4frame.create_decompression_context()
    compressed_in = get_chunked(compressed, d_chunks)
    decompressed = b''
    bytes_read = 0
    eofs = []
    try:
        while True:
            d, b, e = lz4frame.decompress_chunk(
                d_context,
                next(compressed_in),
            )
            decompressed += d
            bytes_read += b
            eofs.append(e)

    except StopIteration:
        pass
    finally:
        del compressed_in

    assert bytes_read == len(compressed)
    assert decompressed == data
    assert eofs[-1] == True
    assert (True in eofs[:-2]) == False