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tinytest-codegen.py
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executable file
·131 lines (111 loc) · 4.24 KB
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#!/usr/bin/env python3
# SPDX-FileCopyrightText: 2014 MicroPython & CircuitPython contributors (https://github.com/adafruit/circuitpython/graphs/contributors)
#
# SPDX-License-Identifier: MIT
import os, sys
from glob import glob
from re import sub
import argparse
def escape(s):
s = s.decode()
lookup = {
'\0': '\\0',
'\t': '\\t',
'\n': '\\n\"\n\"',
'\r': '\\r',
'\\': '\\\\',
'\"': '\\\"',
}
return "\"\"\n\"{}\"".format(''.join([lookup[x] if x in lookup else x for x in s]))
def chew_filename(t):
return { 'func': "test_{}_fn".format(sub(r'/|\.|-', '_', t)), 'desc': t }
def script_to_map(test_file):
r = {"name": chew_filename(test_file)["func"]}
with open(test_file, "rb") as test:
script = test.readlines()
# Test for import skip_if and inject it into the test as needed.
if "import skip_if\n" in script:
index = script.index("import skip_if\n")
script.pop(index)
script.insert(index, "class skip_if:\n")
with open("../tests/skip_if.py") as skip_if:
total_lines = 1
for line in skip_if:
stripped = line.strip()
if not stripped or stripped.startswith(("#", "\"\"\"")):
continue
script.insert(index + total_lines, "\t" + line)
total_lines += 1
r['script'] = escape(b''.join(script))
with open(test_file + ".exp", "rb") as f:
r["output"] = escape(f.read())
return r
test_function = (
"void {name}(void* data) {{\n"
" static const char pystr[] = {script};\n"
" static const char exp[] = {output};\n"
" upytest_set_expected_output(exp, sizeof(exp) - 1);\n"
" upytest_execute_test(pystr);\n"
"}}"
)
testcase_struct = (
"struct testcase_t {name}_tests[] = {{\n{body}\n END_OF_TESTCASES\n}};"
)
testcase_member = (
" {{ \"{desc}\", {func}, TT_ENABLED_, 0, 0 }},"
)
testgroup_struct = (
"struct testgroup_t groups[] = {{\n{body}\n END_OF_GROUPS\n}};"
)
testgroup_member = (
" {{ \"{name}\", {name}_tests }},"
)
## XXX: may be we could have `--without <groups>` argument...
# currently these tests are selected because they pass on qemu-arm
test_dirs = ('basics', 'micropython', 'float', 'extmod', 'inlineasm') # 'import', 'io', 'misc')
exclude_tests = (
# pattern matching in .exp
'basics/bytes_compare3.py',
'extmod/ticks_diff.py',
'extmod/time_ms_us.py',
'extmod/uheapq_timeq.py',
# unicode char issue
'extmod/ujson_loads.py',
# doesn't output to python stdout
'extmod/ure_debug.py',
'extmod/vfs_basic.py',
'extmod/vfs_fat_ramdisk.py', 'extmod/vfs_fat_fileio.py',
'extmod/vfs_fat_fsusermount.py', 'extmod/vfs_fat_oldproto.py',
# rounding issues
'float/float_divmod.py',
# requires double precision floating point to work
'float/float2int_doubleprec_intbig.py',
'float/float_parse_doubleprec.py',
# inline asm FP tests (require Cortex-M4)
'inlineasm/asmfpaddsub.py', 'inlineasm/asmfpcmp.py', 'inlineasm/asmfpldrstr.py',
'inlineasm/asmfpmuldiv.py','inlineasm/asmfpsqrt.py',
# different filename in output
'micropython/emg_exc.py',
'micropython/heapalloc_traceback.py',
# pattern matching in .exp
'micropython/meminfo.py',
)
output = []
tests = []
argparser = argparse.ArgumentParser(description='Convert native MicroPython tests to tinytest/upytesthelper C code')
argparser.add_argument('--stdin', action="store_true", help='read list of tests from stdin')
args = argparser.parse_args()
if not args.stdin:
for group in test_dirs:
tests += [test for test in glob('{}/*.py'.format(group)) if test not in exclude_tests]
else:
for l in sys.stdin:
tests.append(l.rstrip())
output.extend([test_function.format(**script_to_map(test)) for test in tests])
testcase_members = [testcase_member.format(**chew_filename(test)) for test in tests]
output.append(testcase_struct.format(name="", body='\n'.join(testcase_members)))
testgroup_members = [testgroup_member.format(name=group) for group in [""]]
output.append(testgroup_struct.format(body='\n'.join(testgroup_members)))
## XXX: may be we could have `--output <filename>` argument...
# Don't depend on what system locale is set, use utf8 encoding.
sys.stdout.buffer.write('\n\n'.join(output).encode('utf8'))