micropython/tests/run-natmodtests.py

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#!/usr/bin/env python3
# This file is part of the MicroPython project, http://micropython.org/
# The MIT License (MIT)
# Copyright (c) 2019 Damien P. George
import os
import subprocess
import sys
import argparse
sys.path.append("../tools")
import pyboard
# Paths for host executables
CPYTHON3 = os.getenv("MICROPY_CPYTHON3", "python3")
MICROPYTHON = os.getenv("MICROPY_MICROPYTHON", "../ports/unix/micropython-coverage")
NATMOD_EXAMPLE_DIR = "../examples/natmod/"
# Supported tests and their corresponding mpy module
TEST_MAPPINGS = {
"btree": "btree/btree_$(ARCH).mpy",
"framebuf": "framebuf/framebuf_$(ARCH).mpy",
"uheapq": "uheapq/uheapq_$(ARCH).mpy",
"urandom": "urandom/urandom_$(ARCH).mpy",
"ure": "ure/ure_$(ARCH).mpy",
"uzlib": "uzlib/uzlib_$(ARCH).mpy",
}
# Code to allow a target MicroPython to import an .mpy from RAM
injected_import_hook_code = """\
import sys, uos, uio
class __File(uio.IOBase):
def __init__(self):
self.off = 0
def ioctl(self, request, arg):
return 0
def readinto(self, buf):
buf[:] = memoryview(__buf)[self.off:self.off + len(buf)]
self.off += len(buf)
return len(buf)
class __FS:
def mount(self, readonly, mkfs):
pass
def chdir(self, path):
pass
def stat(self, path):
if path == '__injected.mpy':
return tuple(0 for _ in range(10))
else:
raise OSError(-2) # ENOENT
def open(self, path, mode):
return __File()
uos.mount(__FS(), '/__remote')
uos.chdir('/__remote')
sys.modules['{}'] = __import__('__injected')
"""
class TargetSubprocess:
def __init__(self, cmd):
self.cmd = cmd
def close(self):
pass
def run_script(self, script):
try:
p = subprocess.run(
self.cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, input=script
)
return p.stdout, None
except subprocess.CalledProcessError as er:
return b"", er
class TargetPyboard:
def __init__(self, pyb):
self.pyb = pyb
self.pyb.enter_raw_repl()
def close(self):
self.pyb.exit_raw_repl()
self.pyb.close()
def run_script(self, script):
try:
self.pyb.enter_raw_repl()
output = self.pyb.exec_(script)
output = output.replace(b"\r\n", b"\n")
return output, None
except pyboard.PyboardError as er:
return b"", er
def run_tests(target_truth, target, args, stats):
for test_file in args.files:
# Find supported test
for k, v in TEST_MAPPINGS.items():
if test_file.find(k) != -1:
test_module = k
test_mpy = v.replace("$(ARCH)", args.arch)
break
else:
print("---- {} - no matching mpy".format(test_file))
continue
# Read test script
with open(test_file, "rb") as f:
test_file_data = f.read()
# Create full test with embedded .mpy
try:
with open(NATMOD_EXAMPLE_DIR + test_mpy, "rb") as f:
test_script = b"__buf=" + bytes(repr(f.read()), "ascii") + b"\n"
except OSError:
print("---- {} - mpy file not compiled".format(test_file))
continue
test_script += bytes(injected_import_hook_code.format(test_module), "ascii")
test_script += test_file_data
# Run test under MicroPython
result_out, error = target.run_script(test_script)
# Work out result of test
extra = ""
if error is None and result_out == b"SKIP\n":
result = "SKIP"
elif error is not None:
result = "FAIL"
extra = " - " + str(error)
else:
# Check result against truth
try:
with open(test_file + ".exp", "rb") as f:
result_exp = f.read()
error = None
except OSError:
result_exp, error = target_truth.run_script(test_file_data)
if error is not None:
result = "TRUTH FAIL"
elif result_out != result_exp:
result = "FAIL"
print(result_out)
else:
result = "pass"
# Accumulate statistics
stats["total"] += 1
if result == "pass":
stats["pass"] += 1
elif result == "SKIP":
stats["skip"] += 1
else:
stats["fail"] += 1
# Print result
print("{:4} {}{}".format(result, test_file, extra))
def main():
cmd_parser = argparse.ArgumentParser(
description="Run dynamic-native-module tests under MicroPython"
)
cmd_parser.add_argument(
"-p", "--pyboard", action="store_true", help="run tests via pyboard.py"
)
cmd_parser.add_argument(
"-d", "--device", default="/dev/ttyACM0", help="the device for pyboard.py"
)
cmd_parser.add_argument(
"-a", "--arch", default="x64", help="native architecture of the target"
)
cmd_parser.add_argument("files", nargs="*", help="input test files")
args = cmd_parser.parse_args()
target_truth = TargetSubprocess([CPYTHON3])
if args.pyboard:
target = TargetPyboard(pyboard.Pyboard(args.device))
else:
target = TargetSubprocess([MICROPYTHON])
stats = {"total": 0, "pass": 0, "fail": 0, "skip": 0}
run_tests(target_truth, target, args, stats)
target.close()
target_truth.close()
print("{} tests performed".format(stats["total"]))
print("{} tests passed".format(stats["pass"]))
if stats["fail"]:
print("{} tests failed".format(stats["fail"]))
if stats["skip"]:
print("{} tests skipped".format(stats["skip"]))
if stats["fail"]:
sys.exit(1)
if __name__ == "__main__":
main()