def find_tests(self, tests): self.tests = tests if self.ns.single: self.next_single_filename = os.path.join(TEMPDIR, 'pynexttest') try: with open(self.next_single_filename, 'r') as fp: next_test = fp.read().strip() self.tests = [next_test] except OSError: pass if self.ns.fromfile: self.tests = [] regex = re.compile('\\btest_[a-zA-Z0-9_]+\\b') with open(os.path.join(support.SAVEDCWD, self.ns.fromfile)) as fp: for line in fp: line = line.split('#', 1)[0] line = line.strip() match = regex.search(line) if match is not None: self.tests.append(match.group()) removepy(self.tests) stdtests = STDTESTS[:] nottests = NOTTESTS.copy() if self.ns.exclude: for arg in self.ns.args: if arg in stdtests: stdtests.remove(arg) nottests.add(arg) self.ns.args = [] if self.ns.testdir: alltests = findtests(self.ns.testdir, list(), set()) else: alltests = findtests(self.ns.testdir, stdtests, nottests) if not self.ns.fromfile: self.selected = self.tests or self.ns.args or alltests else: self.selected = self.tests if self.ns.single: self.selected = self.selected[:1] try: pos = alltests.index(self.selected[0]) self.next_single_test = alltests[pos + 1] except IndexError: pass if self.ns.start: try: del self.selected[:self.selected.index(self.ns.start)] except ValueError: print("Couldn't find starting test (%s), using all tests" % self.ns.start, file=sys.stderr) if self.ns.randomize: if self.ns.random_seed is None: self.ns.random_seed = random.randrange(10000000) random.seed(self.ns.random_seed) random.shuffle(self.selected)
def find_tests(self, tests): self.tests = tests if self.ns.single: self.next_single_filename = os.path.join(self.tmp_dir, 'pynexttest') try: with open(self.next_single_filename, 'r') as fp: next_test = fp.read().strip() self.tests = [next_test] except OSError: pass if self.ns.fromfile: self.tests = [] # regex to match 'test_builtin' in line: # '0:00:00 [ 4/400] test_builtin -- test_dict took 1 sec' regex = re.compile(r'\btest_[a-zA-Z0-9_]+\b') with open(os.path.join(support.SAVEDCWD, self.ns.fromfile)) as fp: for line in fp: line = line.split('#', 1)[0] line = line.strip() match = regex.search(line) if match is not None: self.tests.append(match.group()) removepy(self.tests) stdtests = STDTESTS[:] nottests = NOTTESTS.copy() if self.ns.exclude: for arg in self.ns.args: if arg in stdtests: stdtests.remove(arg) nottests.add(arg) self.ns.args = [] # if testdir is set, then we are not running the python tests suite, so # don't add default tests to be executed or skipped (pass empty values) if self.ns.testdir: alltests = findtests(self.ns.testdir, list(), set()) else: alltests = findtests(self.ns.testdir, stdtests, nottests) if not self.ns.fromfile: self.selected = self.tests or self.ns.args or alltests else: self.selected = self.tests if self.ns.single: self.selected = self.selected[:1] try: pos = alltests.index(self.selected[0]) self.next_single_test = alltests[pos + 1] except IndexError: pass # Remove all the selected tests that precede start if it's set. if self.ns.start: try: del self.selected[:self.selected.index(self.ns.start)] except ValueError: print("Couldn't find starting test (%s), using all tests" % self.ns.start, file=sys.stderr) if self.ns.randomize: if self.ns.random_seed is None: self.ns.random_seed = random.randrange(10000000) random.seed(self.ns.random_seed) random.shuffle(self.selected)
def find_tests(self, tests): self.tests = tests if self.ns.single: self.next_single_filename = os.path.join(TEMPDIR, 'pynexttest') try: with open(self.next_single_filename, 'r') as fp: next_test = fp.read().strip() self.tests = [next_test] except OSError: pass if self.ns.fromfile: self.tests = [] # regex to match 'test_builtin' in line: # '0:00:00 [ 4/400] test_builtin -- test_dict took 1 sec' regex = re.compile(r'\btest_[a-zA-Z0-9_]+\b') with open(os.path.join(support.SAVEDCWD, self.ns.fromfile)) as fp: for line in fp: line = line.split('#', 1)[0] line = line.strip() match = regex.search(line) if match is not None: self.tests.append(match.group()) removepy(self.tests) stdtests = STDTESTS[:] nottests = NOTTESTS.copy() if self.ns.exclude: for arg in self.ns.args: if arg in stdtests: stdtests.remove(arg) nottests.add(arg) self.ns.args = [] # if testdir is set, then we are not running the python tests suite, so # don't add default tests to be executed or skipped (pass empty values) if self.ns.testdir: alltests = findtests(self.ns.testdir, list(), set()) else: alltests = findtests(self.ns.testdir, stdtests, nottests) if not self.ns.fromfile: self.selected = self.tests or self.ns.args or alltests else: self.selected = self.tests if self.ns.single: self.selected = self.selected[:1] try: pos = alltests.index(self.selected[0]) self.next_single_test = alltests[pos + 1] except IndexError: pass # Remove all the selected tests that precede start if it's set. if self.ns.start: try: del self.selected[:self.selected.index(self.ns.start)] except ValueError: print("Couldn't find starting test (%s), using all tests" % self.ns.start, file=sys.stderr) if self.ns.randomize: if self.ns.random_seed is None: self.ns.random_seed = random.randrange(10000000) random.seed(self.ns.random_seed) random.shuffle(self.selected)
def find_tests(self, tests): self.tests = tests if self.ns.single: self.next_single_filename = os.path.join(TEMPDIR, 'pynexttest') try: with open(self.next_single_filename, 'r') as fp: next_test = fp.read().strip() self.tests = [next_test] except OSError: pass if self.ns.fromfile: self.tests = [] with open(os.path.join(support.SAVEDCWD, self.ns.fromfile)) as fp: count_pat = re.compile(r'\[\s*\d+/\s*\d+\]') for line in fp: line = count_pat.sub('', line) guts = line.split() # assuming no test has whitespace in its name if guts and not guts[0].startswith('#'): self.tests.extend(guts) removepy(self.tests) stdtests = STDTESTS[:] nottests = NOTTESTS.copy() if self.ns.exclude: for arg in self.ns.args: if arg in stdtests: stdtests.remove(arg) nottests.add(arg) self.ns.args = [] # if testdir is set, then we are not running the python tests suite, so # don't add default tests to be executed or skipped (pass empty values) if self.ns.testdir: alltests = findtests(self.ns.testdir, list(), set()) else: alltests = findtests(self.ns.testdir, stdtests, nottests) self.selected = self.tests or self.ns.args or alltests if self.ns.single: self.selected = self.selected[:1] try: pos = alltests.index(self.selected[0]) self.next_single_test = alltests[pos + 1] except IndexError: pass # Remove all the selected tests that precede start if it's set. if self.ns.start: try: del self.selected[:self.selected.index(self.ns.start)] except ValueError: print("Couldn't find starting test (%s), using all tests" % self.ns.start, file=sys.stderr) if self.ns.randomize: if self.ns.random_seed is None: self.ns.random_seed = random.randrange(10000000) random.seed(self.ns.random_seed) random.shuffle(self.selected)
def find_tests(self, tests): self.tests = tests if self.ns.single: self.next_single_filename = os.path.join(TEMPDIR, 'pynexttest') try: with open(self.next_single_filename, 'r') as fp: next_test = fp.read().strip() self.tests = [next_test] except OSError: pass if self.ns.fromfile: self.tests = [] with open(os.path.join(support.SAVEDCWD, self.ns.fromfile)) as fp: count_pat = re.compile(r'\[\s*\d+/\s*\d+\]') for line in fp: line = count_pat.sub('', line) guts = line.split( ) # assuming no test has whitespace in its name if guts and not guts[0].startswith('#'): self.tests.extend(guts) removepy(self.tests) stdtests = STDTESTS[:] nottests = NOTTESTS.copy() if self.ns.exclude: for arg in self.ns.args: if arg in stdtests: stdtests.remove(arg) nottests.add(arg) self.ns.args = [] # if testdir is set, then we are not running the python tests suite, so # don't add default tests to be executed or skipped (pass empty values) if self.ns.testdir: alltests = findtests(self.ns.testdir, list(), set()) else: alltests = findtests(self.ns.testdir, stdtests, nottests) self.selected = self.tests or self.ns.args or alltests if self.ns.single: self.selected = self.selected[:1] try: pos = alltests.index(self.selected[0]) self.next_single_test = alltests[pos + 1] except IndexError: pass # Remove all the selected tests that precede start if it's set. if self.ns.start: try: del self.selected[:self.selected.index(self.ns.start)] except ValueError: print("Couldn't find starting test (%s), using all tests" % self.ns.start, file=sys.stderr) if self.ns.randomize: if self.ns.random_seed is None: self.ns.random_seed = random.randrange(10000000) random.seed(self.ns.random_seed) random.shuffle(self.selected)
def main(tests=None, **kwargs): """Execute a test suite. This also parses command-line options and modifies its behavior accordingly. tests -- a list of strings containing test names (optional) testdir -- the directory in which to look for tests (optional) Users other than the Python test suite will certainly want to specify testdir; if it's omitted, the directory containing the Python test suite is searched for. If the tests argument is omitted, the tests listed on the command-line will be used. If that's empty, too, then all *.py files beginning with test_ will be used. The other default arguments (verbose, quiet, exclude, single, randomize, findleaks, use_resources, trace, coverdir, print_slow, and random_seed) allow programmers calling main() directly to set the values that would normally be set by flags on the command line. """ # Display the Python traceback on fatal errors (e.g. segfault) faulthandler.enable(all_threads=True) # Display the Python traceback on SIGALRM or SIGUSR1 signal signals = [] if hasattr(signal, 'SIGALRM'): signals.append(signal.SIGALRM) if hasattr(signal, 'SIGUSR1'): signals.append(signal.SIGUSR1) for signum in signals: faulthandler.register(signum, chain=True) replace_stdout() support.record_original_stdout(sys.stdout) ns = _parse_args(sys.argv[1:], **kwargs) if ns.huntrleaks: # Avoid false positives due to various caches # filling slowly with random data: warm_caches() if ns.memlimit is not None: support.set_memlimit(ns.memlimit) if ns.threshold is not None: import gc gc.set_threshold(ns.threshold) if ns.nowindows: import msvcrt msvcrt.SetErrorMode(msvcrt.SEM_FAILCRITICALERRORS| msvcrt.SEM_NOALIGNMENTFAULTEXCEPT| msvcrt.SEM_NOGPFAULTERRORBOX| msvcrt.SEM_NOOPENFILEERRORBOX) try: msvcrt.CrtSetReportMode except AttributeError: # release build pass else: for m in [msvcrt.CRT_WARN, msvcrt.CRT_ERROR, msvcrt.CRT_ASSERT]: msvcrt.CrtSetReportMode(m, msvcrt.CRTDBG_MODE_FILE) msvcrt.CrtSetReportFile(m, msvcrt.CRTDBG_FILE_STDERR) if ns.wait: input("Press any key to continue...") if ns.slaveargs is not None: args, kwargs = json.loads(ns.slaveargs) if kwargs.get('huntrleaks'): unittest.BaseTestSuite._cleanup = False try: result = runtest(*args, **kwargs) except KeyboardInterrupt: result = INTERRUPTED, '' except BaseException as e: traceback.print_exc() result = CHILD_ERROR, str(e) sys.stdout.flush() print() # Force a newline (just in case) print(json.dumps(result)) sys.exit(0) good = [] bad = [] skipped = [] resource_denieds = [] environment_changed = [] interrupted = False if ns.findleaks: try: import gc except ImportError: print('No GC available, disabling findleaks.') ns.findleaks = False else: # Uncomment the line below to report garbage that is not # freeable by reference counting alone. By default only # garbage that is not collectable by the GC is reported. #gc.set_debug(gc.DEBUG_SAVEALL) found_garbage = [] if ns.huntrleaks: unittest.BaseTestSuite._cleanup = False if ns.single: filename = os.path.join(TEMPDIR, 'pynexttest') try: with open(filename, 'r') as fp: next_test = fp.read().strip() tests = [next_test] except OSError: pass if ns.fromfile: tests = [] with open(os.path.join(support.SAVEDCWD, ns.fromfile)) as fp: count_pat = re.compile(r'\[\s*\d+/\s*\d+\]') for line in fp: line = count_pat.sub('', line) guts = line.split() # assuming no test has whitespace in its name if guts and not guts[0].startswith('#'): tests.extend(guts) # Strip .py extensions. removepy(ns.args) removepy(tests) stdtests = STDTESTS[:] nottests = NOTTESTS.copy() if ns.exclude: for arg in ns.args: if arg in stdtests: stdtests.remove(arg) nottests.add(arg) ns.args = [] # For a partial run, we do not need to clutter the output. if ns.verbose or ns.header or not (ns.quiet or ns.single or tests or ns.args): # Print basic platform information print("==", platform.python_implementation(), *sys.version.split()) print("== ", platform.platform(aliased=True), "%s-endian" % sys.byteorder) print("== ", "hash algorithm:", sys.hash_info.algorithm, "64bit" if sys.maxsize > 2**32 else "32bit") print("== ", os.getcwd()) print("Testing with flags:", sys.flags) # if testdir is set, then we are not running the python tests suite, so # don't add default tests to be executed or skipped (pass empty values) if ns.testdir: alltests = findtests(ns.testdir, list(), set()) else: alltests = findtests(ns.testdir, stdtests, nottests) selected = tests or ns.args or alltests if ns.single: selected = selected[:1] try: next_single_test = alltests[alltests.index(selected[0])+1] except IndexError: next_single_test = None # Remove all the selected tests that precede start if it's set. if ns.start: try: del selected[:selected.index(ns.start)] except ValueError: print("Couldn't find starting test (%s), using all tests" % ns.start) if ns.randomize: if ns.random_seed is None: ns.random_seed = random.randrange(10000000) random.seed(ns.random_seed) print("Using random seed", ns.random_seed) random.shuffle(selected) if ns.trace: import trace, tempfile tracer = trace.Trace(ignoredirs=[sys.base_prefix, sys.base_exec_prefix, tempfile.gettempdir()], trace=False, count=True) test_times = [] support.verbose = ns.verbose # Tell tests to be moderately quiet support.use_resources = ns.use_resources save_modules = sys.modules.keys() def accumulate_result(test, result): ok, test_time = result test_times.append((test_time, test)) if ok == PASSED: good.append(test) elif ok == FAILED: bad.append(test) elif ok == ENV_CHANGED: environment_changed.append(test) elif ok == SKIPPED: skipped.append(test) elif ok == RESOURCE_DENIED: skipped.append(test) resource_denieds.append(test) if ns.forever: def test_forever(tests=list(selected)): while True: for test in tests: yield test if bad: return tests = test_forever() test_count = '' test_count_width = 3 else: tests = iter(selected) test_count = '/{}'.format(len(selected)) test_count_width = len(test_count) - 1 if ns.use_mp: try: from threading import Thread except ImportError: print("Multiprocess option requires thread support") sys.exit(2) from queue import Queue debug_output_pat = re.compile(r"\[\d+ refs, \d+ blocks\]$") output = Queue() pending = MultiprocessTests(tests) def work(): # A worker thread. try: while True: try: test = next(pending) except StopIteration: output.put((None, None, None, None)) return retcode, stdout, stderr = run_test_in_subprocess(test, ns) # Strip last refcount output line if it exists, since it # comes from the shutdown of the interpreter in the subcommand. stderr = debug_output_pat.sub("", stderr) stdout, _, result = stdout.strip().rpartition("\n") if retcode != 0: result = (CHILD_ERROR, "Exit code %s" % retcode) output.put((test, stdout.rstrip(), stderr.rstrip(), result)) return if not result: output.put((None, None, None, None)) return result = json.loads(result) output.put((test, stdout.rstrip(), stderr.rstrip(), result)) except BaseException: output.put((None, None, None, None)) raise workers = [Thread(target=work) for i in range(ns.use_mp)] for worker in workers: worker.start() finished = 0 test_index = 1 try: while finished < ns.use_mp: test, stdout, stderr, result = output.get() if test is None: finished += 1 continue accumulate_result(test, result) if not ns.quiet: fmt = "[{1:{0}}{2}/{3}] {4}" if bad else "[{1:{0}}{2}] {4}" print(fmt.format( test_count_width, test_index, test_count, len(bad), test)) if stdout: print(stdout) if stderr: print(stderr, file=sys.stderr) sys.stdout.flush() sys.stderr.flush() if result[0] == INTERRUPTED: raise KeyboardInterrupt if result[0] == CHILD_ERROR: raise Exception("Child error on {}: {}".format(test, result[1])) test_index += 1 except KeyboardInterrupt: interrupted = True pending.interrupted = True for worker in workers: worker.join() else: for test_index, test in enumerate(tests, 1): if not ns.quiet: fmt = "[{1:{0}}{2}/{3}] {4}" if bad else "[{1:{0}}{2}] {4}" print(fmt.format( test_count_width, test_index, test_count, len(bad), test)) sys.stdout.flush() if ns.trace: # If we're tracing code coverage, then we don't exit with status # if on a false return value from main. tracer.runctx('runtest(test, ns.verbose, ns.quiet, timeout=ns.timeout)', globals=globals(), locals=vars()) else: try: result = runtest(test, ns.verbose, ns.quiet, ns.huntrleaks, output_on_failure=ns.verbose3, timeout=ns.timeout, failfast=ns.failfast, match_tests=ns.match_tests) accumulate_result(test, result) except KeyboardInterrupt: interrupted = True break if ns.findleaks: gc.collect() if gc.garbage: print("Warning: test created", len(gc.garbage), end=' ') print("uncollectable object(s).") # move the uncollectable objects somewhere so we don't see # them again found_garbage.extend(gc.garbage) del gc.garbage[:] # Unload the newly imported modules (best effort finalization) for module in sys.modules.keys(): if module not in save_modules and module.startswith("test."): support.unload(module) if interrupted: # print a newline after ^C print() print("Test suite interrupted by signal SIGINT.") omitted = set(selected) - set(good) - set(bad) - set(skipped) print(count(len(omitted), "test"), "omitted:") printlist(omitted) if good and not ns.quiet: if not bad and not skipped and not interrupted and len(good) > 1: print("All", end=' ') print(count(len(good), "test"), "OK.") if ns.print_slow: test_times.sort(reverse=True) print("10 slowest tests:") for time, test in test_times[:10]: print("%s: %.1fs" % (test, time)) if bad: print(count(len(bad), "test"), "failed:") printlist(bad) if environment_changed: print("{} altered the execution environment:".format( count(len(environment_changed), "test"))) printlist(environment_changed) if skipped and not ns.quiet: print(count(len(skipped), "test"), "skipped:") printlist(skipped) if ns.verbose2 and bad: print("Re-running failed tests in verbose mode") for test in bad[:]: print("Re-running test %r in verbose mode" % test) sys.stdout.flush() try: ns.verbose = True ok = runtest(test, True, ns.quiet, ns.huntrleaks, timeout=ns.timeout) except KeyboardInterrupt: # print a newline separate from the ^C print() break else: if ok[0] in {PASSED, ENV_CHANGED, SKIPPED, RESOURCE_DENIED}: bad.remove(test) else: if bad: print(count(len(bad), 'test'), "failed again:") printlist(bad) if ns.single: if next_single_test: with open(filename, 'w') as fp: fp.write(next_single_test + '\n') else: os.unlink(filename) if ns.trace: r = tracer.results() r.write_results(show_missing=True, summary=True, coverdir=ns.coverdir) if ns.runleaks: os.system("leaks %d" % os.getpid()) sys.exit(len(bad) > 0 or interrupted)