mirror of
https://github.com/python/cpython.git
synced 2025-10-31 05:31:20 +00:00
d663d34685
Log "Warning -- ..." test warnings into sys.__stderr__ rather than sys.stderr, to ensure to display them even if sys.stderr is captured. test.libregrtest.utils.print_warning() now calls test.support.print_warning().
340 lines
10 KiB
Python
340 lines
10 KiB
Python
import collections
|
|
import faulthandler
|
|
import functools
|
|
import gc
|
|
import importlib
|
|
import io
|
|
import os
|
|
import sys
|
|
import time
|
|
import traceback
|
|
import unittest
|
|
|
|
from test import support
|
|
from test.libregrtest.refleak import dash_R, clear_caches
|
|
from test.libregrtest.save_env import saved_test_environment
|
|
from test.libregrtest.utils import format_duration, print_warning
|
|
|
|
|
|
# Test result constants.
|
|
PASSED = 1
|
|
FAILED = 0
|
|
ENV_CHANGED = -1
|
|
SKIPPED = -2
|
|
RESOURCE_DENIED = -3
|
|
INTERRUPTED = -4
|
|
CHILD_ERROR = -5 # error in a child process
|
|
TEST_DID_NOT_RUN = -6
|
|
TIMEOUT = -7
|
|
|
|
_FORMAT_TEST_RESULT = {
|
|
PASSED: '%s passed',
|
|
FAILED: '%s failed',
|
|
ENV_CHANGED: '%s failed (env changed)',
|
|
SKIPPED: '%s skipped',
|
|
RESOURCE_DENIED: '%s skipped (resource denied)',
|
|
INTERRUPTED: '%s interrupted',
|
|
CHILD_ERROR: '%s crashed',
|
|
TEST_DID_NOT_RUN: '%s run no tests',
|
|
TIMEOUT: '%s timed out',
|
|
}
|
|
|
|
# Minimum duration of a test to display its duration or to mention that
|
|
# the test is running in background
|
|
PROGRESS_MIN_TIME = 30.0 # seconds
|
|
|
|
# small set of tests to determine if we have a basically functioning interpreter
|
|
# (i.e. if any of these fail, then anything else is likely to follow)
|
|
STDTESTS = [
|
|
'test_grammar',
|
|
'test_opcodes',
|
|
'test_dict',
|
|
'test_builtin',
|
|
'test_exceptions',
|
|
'test_types',
|
|
'test_unittest',
|
|
'test_doctest',
|
|
'test_doctest2',
|
|
'test_support'
|
|
]
|
|
|
|
# set of tests that we don't want to be executed when using regrtest
|
|
NOTTESTS = set()
|
|
|
|
|
|
# used by --findleaks, store for gc.garbage
|
|
FOUND_GARBAGE = []
|
|
|
|
|
|
def is_failed(result, ns):
|
|
ok = result.result
|
|
if ok in (PASSED, RESOURCE_DENIED, SKIPPED, TEST_DID_NOT_RUN):
|
|
return False
|
|
if ok == ENV_CHANGED:
|
|
return ns.fail_env_changed
|
|
return True
|
|
|
|
|
|
def format_test_result(result):
|
|
fmt = _FORMAT_TEST_RESULT.get(result.result, "%s")
|
|
text = fmt % result.test_name
|
|
if result.result == TIMEOUT:
|
|
text = '%s (%s)' % (text, format_duration(result.test_time))
|
|
return text
|
|
|
|
|
|
def findtestdir(path=None):
|
|
return path or os.path.dirname(os.path.dirname(__file__)) or os.curdir
|
|
|
|
|
|
def findtests(testdir=None, stdtests=STDTESTS, nottests=NOTTESTS):
|
|
"""Return a list of all applicable test modules."""
|
|
testdir = findtestdir(testdir)
|
|
names = os.listdir(testdir)
|
|
tests = []
|
|
others = set(stdtests) | nottests
|
|
for name in names:
|
|
mod, ext = os.path.splitext(name)
|
|
if mod[:5] == "test_" and ext in (".py", "") and mod not in others:
|
|
tests.append(mod)
|
|
return stdtests + sorted(tests)
|
|
|
|
|
|
def get_abs_module(ns, test_name):
|
|
if test_name.startswith('test.') or ns.testdir:
|
|
return test_name
|
|
else:
|
|
# Import it from the test package
|
|
return 'test.' + test_name
|
|
|
|
|
|
TestResult = collections.namedtuple('TestResult',
|
|
'test_name result test_time xml_data')
|
|
|
|
def _runtest(ns, test_name):
|
|
# Handle faulthandler timeout, capture stdout+stderr, XML serialization
|
|
# and measure time.
|
|
|
|
output_on_failure = ns.verbose3
|
|
|
|
use_timeout = (ns.timeout is not None)
|
|
if use_timeout:
|
|
faulthandler.dump_traceback_later(ns.timeout, exit=True)
|
|
|
|
start_time = time.perf_counter()
|
|
try:
|
|
support.set_match_tests(ns.match_tests, ns.ignore_tests)
|
|
support.junit_xml_list = xml_list = [] if ns.xmlpath else None
|
|
if ns.failfast:
|
|
support.failfast = True
|
|
|
|
if output_on_failure:
|
|
support.verbose = True
|
|
|
|
stream = io.StringIO()
|
|
orig_stdout = sys.stdout
|
|
orig_stderr = sys.stderr
|
|
try:
|
|
sys.stdout = stream
|
|
sys.stderr = stream
|
|
result = _runtest_inner(ns, test_name,
|
|
display_failure=False)
|
|
if result != PASSED:
|
|
output = stream.getvalue()
|
|
orig_stderr.write(output)
|
|
orig_stderr.flush()
|
|
finally:
|
|
sys.stdout = orig_stdout
|
|
sys.stderr = orig_stderr
|
|
else:
|
|
# Tell tests to be moderately quiet
|
|
support.verbose = ns.verbose
|
|
|
|
result = _runtest_inner(ns, test_name,
|
|
display_failure=not ns.verbose)
|
|
|
|
if xml_list:
|
|
import xml.etree.ElementTree as ET
|
|
xml_data = [ET.tostring(x).decode('us-ascii') for x in xml_list]
|
|
else:
|
|
xml_data = None
|
|
|
|
test_time = time.perf_counter() - start_time
|
|
|
|
return TestResult(test_name, result, test_time, xml_data)
|
|
finally:
|
|
if use_timeout:
|
|
faulthandler.cancel_dump_traceback_later()
|
|
support.junit_xml_list = None
|
|
|
|
|
|
def runtest(ns, test_name):
|
|
"""Run a single test.
|
|
|
|
ns -- regrtest namespace of options
|
|
test_name -- the name of the test
|
|
|
|
Returns the tuple (result, test_time, xml_data), where result is one
|
|
of the constants:
|
|
|
|
INTERRUPTED KeyboardInterrupt
|
|
RESOURCE_DENIED test skipped because resource denied
|
|
SKIPPED test skipped for some other reason
|
|
ENV_CHANGED test failed because it changed the execution environment
|
|
FAILED test failed
|
|
PASSED test passed
|
|
EMPTY_TEST_SUITE test ran no subtests.
|
|
TIMEOUT test timed out.
|
|
|
|
If ns.xmlpath is not None, xml_data is a list containing each
|
|
generated testsuite element.
|
|
"""
|
|
try:
|
|
return _runtest(ns, test_name)
|
|
except:
|
|
if not ns.pgo:
|
|
msg = traceback.format_exc()
|
|
print(f"test {test_name} crashed -- {msg}",
|
|
file=sys.stderr, flush=True)
|
|
return TestResult(test_name, FAILED, 0.0, None)
|
|
|
|
|
|
def _test_module(the_module):
|
|
loader = unittest.TestLoader()
|
|
tests = loader.loadTestsFromModule(the_module)
|
|
for error in loader.errors:
|
|
print(error, file=sys.stderr)
|
|
if loader.errors:
|
|
raise Exception("errors while loading tests")
|
|
support.run_unittest(tests)
|
|
|
|
|
|
def _runtest_inner2(ns, test_name):
|
|
# Load the test function, run the test function, handle huntrleaks
|
|
# and findleaks to detect leaks
|
|
|
|
abstest = get_abs_module(ns, test_name)
|
|
|
|
# remove the module from sys.module to reload it if it was already imported
|
|
support.unload(abstest)
|
|
|
|
the_module = importlib.import_module(abstest)
|
|
|
|
# If the test has a test_main, that will run the appropriate
|
|
# tests. If not, use normal unittest test loading.
|
|
test_runner = getattr(the_module, "test_main", None)
|
|
if test_runner is None:
|
|
test_runner = functools.partial(_test_module, the_module)
|
|
|
|
try:
|
|
if ns.huntrleaks:
|
|
# Return True if the test leaked references
|
|
refleak = dash_R(ns, test_name, test_runner)
|
|
else:
|
|
test_runner()
|
|
refleak = False
|
|
finally:
|
|
cleanup_test_droppings(test_name, ns.verbose)
|
|
|
|
support.gc_collect()
|
|
|
|
if gc.garbage:
|
|
support.environment_altered = True
|
|
print_warning(f"{test_name} created {len(gc.garbage)} "
|
|
f"uncollectable object(s).")
|
|
|
|
# move the uncollectable objects somewhere,
|
|
# so we don't see them again
|
|
FOUND_GARBAGE.extend(gc.garbage)
|
|
gc.garbage.clear()
|
|
|
|
support.reap_children()
|
|
|
|
return refleak
|
|
|
|
|
|
def _runtest_inner(ns, test_name, display_failure=True):
|
|
# Detect environment changes, handle exceptions.
|
|
|
|
# Reset the environment_altered flag to detect if a test altered
|
|
# the environment
|
|
support.environment_altered = False
|
|
|
|
if ns.pgo:
|
|
display_failure = False
|
|
|
|
try:
|
|
clear_caches()
|
|
|
|
with saved_test_environment(test_name, ns.verbose, ns.quiet, pgo=ns.pgo) as environment:
|
|
refleak = _runtest_inner2(ns, test_name)
|
|
except support.ResourceDenied as msg:
|
|
if not ns.quiet and not ns.pgo:
|
|
print(f"{test_name} skipped -- {msg}", flush=True)
|
|
return RESOURCE_DENIED
|
|
except unittest.SkipTest as msg:
|
|
if not ns.quiet and not ns.pgo:
|
|
print(f"{test_name} skipped -- {msg}", flush=True)
|
|
return SKIPPED
|
|
except support.TestFailed as exc:
|
|
msg = f"test {test_name} failed"
|
|
if display_failure:
|
|
msg = f"{msg} -- {exc}"
|
|
print(msg, file=sys.stderr, flush=True)
|
|
return FAILED
|
|
except support.TestDidNotRun:
|
|
return TEST_DID_NOT_RUN
|
|
except KeyboardInterrupt:
|
|
print()
|
|
return INTERRUPTED
|
|
except:
|
|
if not ns.pgo:
|
|
msg = traceback.format_exc()
|
|
print(f"test {test_name} crashed -- {msg}",
|
|
file=sys.stderr, flush=True)
|
|
return FAILED
|
|
|
|
if refleak:
|
|
return FAILED
|
|
if environment.changed:
|
|
return ENV_CHANGED
|
|
return PASSED
|
|
|
|
|
|
def cleanup_test_droppings(test_name, verbose):
|
|
# First kill any dangling references to open files etc.
|
|
# This can also issue some ResourceWarnings which would otherwise get
|
|
# triggered during the following test run, and possibly produce failures.
|
|
support.gc_collect()
|
|
|
|
# Try to clean up junk commonly left behind. While tests shouldn't leave
|
|
# any files or directories behind, when a test fails that can be tedious
|
|
# for it to arrange. The consequences can be especially nasty on Windows,
|
|
# since if a test leaves a file open, it cannot be deleted by name (while
|
|
# there's nothing we can do about that here either, we can display the
|
|
# name of the offending test, which is a real help).
|
|
for name in (support.TESTFN,):
|
|
if not os.path.exists(name):
|
|
continue
|
|
|
|
if os.path.isdir(name):
|
|
import shutil
|
|
kind, nuker = "directory", shutil.rmtree
|
|
elif os.path.isfile(name):
|
|
kind, nuker = "file", os.unlink
|
|
else:
|
|
raise RuntimeError(f"os.path says {name!r} exists but is neither "
|
|
f"directory nor file")
|
|
|
|
if verbose:
|
|
print_warning(f"{test_name} left behind {kind} {name!r}")
|
|
support.environment_altered = True
|
|
|
|
try:
|
|
import stat
|
|
# fix possible permissions problems that might prevent cleanup
|
|
os.chmod(name, stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
|
|
nuker(name)
|
|
except Exception as exc:
|
|
print_warning(f"{test_name} left behind {kind} {name!r} "
|
|
f"and it couldn't be removed: {exc}")
|