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135 lines
4.2 KiB
135 lines
4.2 KiB
#
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# QR Code generator batch test (Python)
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#
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# Runs various versions of the QR Code generator test worker as subprocesses,
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# feeds each one the same random input, and compares their output for equality.
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#
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# Copyright (c) Project Nayuki. (MIT License)
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# https://www.nayuki.io/page/qr-code-generator-library
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy of
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# this software and associated documentation files (the "Software"), to deal in
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# the Software without restriction, including without limitation the rights to
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# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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# the Software, and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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# - The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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# - The Software is provided "as is", without warranty of any kind, express or
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# implied, including but not limited to the warranties of merchantability,
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# fitness for a particular purpose and noninfringement. In no event shall the
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# authors or copyright holders be liable for any claim, damages or other
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# liability, whether in an action of contract, tort or otherwise, arising from,
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# out of or in connection with the Software or the use or other dealings in the
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# Software.
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#
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import itertools, random, subprocess, sys, time
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CHILD_PROGRAMS = [
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["python3", "-B", "../python/qrcodegen-worker.py"], # Python program
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["java", "-cp", "../java/src/main/java", "-ea:io.nayuki.qrcodegen...", "io/nayuki/qrcodegen/QrCodeGeneratorWorker"], # Java program
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["node", "../typescript-javascript/qrcodegen-worker.js"], # TypeScript program
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["../c/qrcodegen-worker"], # C program
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["../cpp/QrCodeGeneratorWorker"], # C++ program
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["../rust/target/debug/examples/qrcodegen-worker"], # Rust program
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]
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subprocs = []
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def main():
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# Launch workers
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global subprocs
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try:
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for args in CHILD_PROGRAMS:
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subprocs.append(subprocess.Popen(args, universal_newlines=True,
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stdin=subprocess.PIPE, stdout=subprocess.PIPE))
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except FileNotFoundError:
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write_all(-1)
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raise
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# Check if any died
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time.sleep(0.3)
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if any(proc.poll() is not None for proc in subprocs):
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for proc in subprocs:
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if proc.poll() is None:
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print(-1, file=proc.stdin)
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proc.stdin.flush()
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sys.exit("Error: One or more workers failed to start")
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# Do tests
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for i in itertools.count():
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print("Trial {}: ".format(i), end="")
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do_trial()
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print()
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def do_trial():
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mode = random.randrange(4)
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if mode == 0: # Numeric
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length = round((2 * 7089) ** random.random())
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data = random.choices(b"0123456789", k=length)
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elif mode == 1: # Alphanumeric
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length = round((2 * 4296) ** random.random())
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data = random.choices(b"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:", k=length)
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elif mode == 2: # ASCII
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length = round((2 * 2953) ** random.random())
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data = [random.randrange(128) for _ in range(length)]
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elif mode == 3: # Byte
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length = round((2 * 2953) ** random.random())
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data = [random.randrange(256) for _ in range(length)]
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else:
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raise AssertionError()
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write_all(length)
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for b in data:
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write_all(b)
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errcorlvl = random.randrange(4)
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minversion = random.randint(1, 40)
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maxversion = random.randint(1, 40)
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if minversion > maxversion:
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minversion, maxversion = maxversion, minversion
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mask = -1
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if random.random() < 0.5:
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mask = random.randrange(8)
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boostecl = int(random.random() < 0.2)
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print("mode={} len={} ecl={} minv={} maxv={} mask={} boost={}".format(mode, length, errcorlvl, minversion, maxversion, mask, boostecl), end="")
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write_all(errcorlvl)
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write_all(minversion)
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write_all(maxversion)
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write_all(mask)
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write_all(boostecl)
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flush_all()
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version = read_verify()
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print(" version={}".format(version), end="")
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if version == -1:
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return
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size = version * 4 + 17
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for _ in range(size**2):
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read_verify()
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def write_all(val):
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for proc in subprocs:
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print(val, file=proc.stdin)
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def flush_all():
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for proc in subprocs:
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proc.stdin.flush()
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def read_verify():
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val = subprocs[0].stdout.readline().rstrip("\r\n")
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for proc in subprocs[1 : ]:
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if proc.stdout.readline().rstrip("\r\n") != val:
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raise ValueError("Mismatch")
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return int(val)
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if __name__ == "__main__":
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main()
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