Function mutations

test/mitmproxy/proxy/layers/http/test_http_fuzz.py:90–99

(draw, elements)

@composite
def mutations(draw, elements):
    data = draw(elements)

    cut_start = draw(integers(0, len(data)))
    cut_end = draw(integers(cut_start, len(data)))
    data = data[:cut_start] + data[cut_end:]

    replace_start = draw(integers(0, len(data)))
    replace_end = draw(integers(replace_start, len(data)))
    return data[:replace_start] + draw(binary()) + data[replace_end:]


@composite