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tests/run-tests: Use -BS flags when running CPython.

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The use of -S ensures that only the CPython standard library is accessible,
which makes tests run the same regardless of any site-packages that are
installed.  It also improves start-up time of CPython, reducing the overall
time spent running the test suite.

tests/basics/containment.py is updated to work around issue with old Python
versions not being able to str-format a dict-keys object, which becomes
apparent when -S is used.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2020-09-24 12:03:30 +10:00
parent c8ade2bd7f
commit 9123b67d64
2 changed files with 8 additions and 4 deletions
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4
tests/basics/containment.py
View File

@ -1,8 +1,8 @@
# sets, see set_containment
for i in 1, 2:
for o in {1:2}, {1:2}.keys():
print("{} in {}: {}".format(i, o, i in o))
print("{} not in {}: {}".format(i, o, i not in o))
print("{} in {}: {}".format(i, str(o), i in o))
print("{} not in {}: {}".format(i, str(o), i not in o))
haystack = "supercalifragilistc"
for needle in [haystack[i:] for i in range(len(haystack))]:

8
tests/run-tests
View File

@ -26,6 +26,10 @@ else:
CPYTHON3 = os.getenv('MICROPY_CPYTHON3', 'python3')
MICROPYTHON = os.getenv('MICROPY_MICROPYTHON', base_path('../ports/unix/micropython'))
# Use CPython options to not save .pyc files, to only access the core standard library
# (not site packages which may clash with u-module names), and improve start up time.
CPYTHON3_CMD = [CPYTHON3, "-BS"]
# mpy-cross is only needed if --via-mpy command-line arg is passed
MPYCROSS = os.getenv('MICROPY_MPYCROSS', base_path('../mpy-cross/mpy-cross'))
@ -319,7 +323,7 @@ def run_tests(pyb, tests, args, result_dir):
upy_float_precision = int(upy_float_precision)
has_complex = run_feature_check(pyb, args, base_path, 'complex.py') == b'complex\n'
has_coverage = run_feature_check(pyb, args, base_path, 'coverage.py') == b'coverage\n'
cpy_byteorder = subprocess.check_output([CPYTHON3, base_path('feature_check/byteorder.py')])
cpy_byteorder = subprocess.check_output(CPYTHON3_CMD + [base_path('feature_check/byteorder.py')])
skip_endian = (upy_byteorder != cpy_byteorder)
# These tests don't test slice explicitly but rather use it to perform the test
@ -498,7 +502,7 @@ def run_tests(pyb, tests, args, result_dir):
else:
# run CPython to work out expected output
try:
output_expected = subprocess.check_output([CPYTHON3, '-B', test_file])
output_expected = subprocess.check_output(CPYTHON3_CMD + [test_file])
if args.write_exp:
with open(test_file_expected, 'wb') as f:
f.write(output_expected)