563 lines
19 KiB
Python
563 lines
19 KiB
Python
"""
|
|
Tests of regrtest.py.
|
|
|
|
Note: test_regrtest cannot be run twice in parallel.
|
|
"""
|
|
from __future__ import print_function
|
|
|
|
import collections
|
|
import errno
|
|
import os.path
|
|
import platform
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
import sysconfig
|
|
import tempfile
|
|
import textwrap
|
|
import unittest
|
|
from test import support
|
|
|
|
|
|
Py_DEBUG = hasattr(sys, 'getobjects')
|
|
ROOT_DIR = os.path.join(os.path.dirname(__file__), '..', '..')
|
|
ROOT_DIR = os.path.abspath(os.path.normpath(ROOT_DIR))
|
|
|
|
TEST_INTERRUPTED = textwrap.dedent("""
|
|
from signal import SIGINT
|
|
try:
|
|
from _testcapi import raise_signal
|
|
raise_signal(SIGINT)
|
|
except ImportError:
|
|
import os
|
|
os.kill(os.getpid(), SIGINT)
|
|
""")
|
|
|
|
|
|
SubprocessRun = collections.namedtuple('SubprocessRun',
|
|
'returncode stdout stderr')
|
|
|
|
|
|
class BaseTestCase(unittest.TestCase):
|
|
TEST_UNIQUE_ID = 1
|
|
TESTNAME_PREFIX = 'test_regrtest_'
|
|
TESTNAME_REGEX = r'test_[a-zA-Z0-9_]+'
|
|
|
|
def setUp(self):
|
|
self.testdir = os.path.realpath(os.path.dirname(__file__))
|
|
|
|
self.tmptestdir = tempfile.mkdtemp()
|
|
self.addCleanup(support.rmtree, self.tmptestdir)
|
|
|
|
def create_test(self, name=None, code=''):
|
|
if not name:
|
|
name = 'noop%s' % BaseTestCase.TEST_UNIQUE_ID
|
|
BaseTestCase.TEST_UNIQUE_ID += 1
|
|
|
|
# test_regrtest cannot be run twice in parallel because
|
|
# of setUp() and create_test()
|
|
name = self.TESTNAME_PREFIX + name
|
|
path = os.path.join(self.tmptestdir, name + '.py')
|
|
|
|
self.addCleanup(support.unlink, path)
|
|
# Use O_EXCL to ensure that we do not override existing tests
|
|
try:
|
|
fd = os.open(path, os.O_WRONLY | os.O_CREAT | os.O_EXCL)
|
|
except OSError as exc:
|
|
if (exc.errno in (errno.EACCES, errno.EPERM)
|
|
and not sysconfig.is_python_build()):
|
|
self.skipTest("cannot write %s: %s" % (path, exc))
|
|
else:
|
|
raise
|
|
else:
|
|
with os.fdopen(fd, 'w') as fp:
|
|
fp.write(code)
|
|
return name
|
|
|
|
def regex_search(self, regex, output):
|
|
match = re.search(regex, output, re.MULTILINE)
|
|
if not match:
|
|
self.fail("%r not found in %r" % (regex, output))
|
|
return match
|
|
|
|
def check_line(self, output, regex):
|
|
regex = re.compile(r'^' + regex, re.MULTILINE)
|
|
self.assertRegexpMatches(output, regex)
|
|
|
|
def parse_executed_tests(self, output):
|
|
regex = (r'^[0-9]+:[0-9]+:[0-9]+ \[ *[0-9]+(?:/ *[0-9]+)*\] (%s)'
|
|
% self.TESTNAME_REGEX)
|
|
parser = re.finditer(regex, output, re.MULTILINE)
|
|
return list(match.group(1) for match in parser)
|
|
|
|
def check_executed_tests(self, output, tests, skipped=(), failed=(),
|
|
omitted=(), randomize=False, interrupted=False):
|
|
if isinstance(tests, str):
|
|
tests = [tests]
|
|
if isinstance(skipped, str):
|
|
skipped = [skipped]
|
|
if isinstance(failed, str):
|
|
failed = [failed]
|
|
if isinstance(omitted, str):
|
|
omitted = [omitted]
|
|
ntest = len(tests)
|
|
nskipped = len(skipped)
|
|
nfailed = len(failed)
|
|
nomitted = len(omitted)
|
|
|
|
executed = self.parse_executed_tests(output)
|
|
if randomize:
|
|
self.assertEqual(set(executed), set(tests), output)
|
|
else:
|
|
self.assertEqual(executed, tests, (executed, tests, output))
|
|
|
|
def plural(count):
|
|
return 's' if count != 1 else ''
|
|
|
|
def list_regex(line_format, tests):
|
|
count = len(tests)
|
|
names = ' '.join(sorted(tests))
|
|
regex = line_format % (count, plural(count))
|
|
regex = r'%s:\n %s$' % (regex, names)
|
|
return regex
|
|
|
|
if skipped:
|
|
regex = list_regex('%s test%s skipped', skipped)
|
|
self.check_line(output, regex)
|
|
|
|
if failed:
|
|
regex = list_regex('%s test%s failed', failed)
|
|
self.check_line(output, regex)
|
|
|
|
if omitted:
|
|
regex = list_regex('%s test%s omitted', omitted)
|
|
self.check_line(output, regex)
|
|
|
|
good = ntest - nskipped - nfailed - nomitted
|
|
if good:
|
|
regex = r'%s test%s OK\.$' % (good, plural(good))
|
|
if not skipped and not failed and good > 1:
|
|
regex = 'All %s' % regex
|
|
self.check_line(output, regex)
|
|
|
|
if interrupted:
|
|
self.check_line(output, 'Test suite interrupted by signal SIGINT.')
|
|
|
|
if nfailed:
|
|
result = 'FAILURE'
|
|
elif interrupted:
|
|
result = 'INTERRUPTED'
|
|
else:
|
|
result = 'SUCCESS'
|
|
self.check_line(output, 'Tests result: %s' % result)
|
|
|
|
def parse_random_seed(self, output):
|
|
match = self.regex_search(r'Using random seed ([0-9]+)', output)
|
|
randseed = int(match.group(1))
|
|
self.assertTrue(0 <= randseed <= 10000000, randseed)
|
|
return randseed
|
|
|
|
def run_command(self, args, input=None, exitcode=0, **kw):
|
|
if not input:
|
|
input = ''
|
|
if 'stderr' not in kw:
|
|
kw['stderr'] = subprocess.PIPE
|
|
proc = subprocess.Popen(args,
|
|
universal_newlines=True,
|
|
stdout=subprocess.PIPE,
|
|
**kw)
|
|
stdout, stderr = proc.communicate(input=input)
|
|
if proc.returncode != exitcode:
|
|
msg = ("Command %s failed with exit code %s\n"
|
|
"\n"
|
|
"stdout:\n"
|
|
"---\n"
|
|
"%s\n"
|
|
"---\n"
|
|
% (str(args), proc.returncode, stdout))
|
|
if proc.stderr:
|
|
msg += ("\n"
|
|
"stderr:\n"
|
|
"---\n"
|
|
"%s"
|
|
"---\n"
|
|
% stderr)
|
|
self.fail(msg)
|
|
return SubprocessRun(proc.returncode, stdout, stderr)
|
|
|
|
def run_python(self, args, **kw):
|
|
args = [sys.executable] + list(args)
|
|
proc = self.run_command(args, **kw)
|
|
return proc.stdout
|
|
|
|
|
|
class ProgramsTestCase(BaseTestCase):
|
|
"""
|
|
Test various ways to run the Python test suite. Use options close
|
|
to options used on the buildbot.
|
|
"""
|
|
|
|
NTEST = 4
|
|
|
|
def setUp(self):
|
|
super(ProgramsTestCase, self).setUp()
|
|
|
|
# Create NTEST tests doing nothing
|
|
self.tests = [self.create_test() for index in range(self.NTEST)]
|
|
|
|
self.python_args = ['-Wd', '-3', '-E', '-bb', '-tt']
|
|
self.regrtest_args = ['-uall', '-rwW',
|
|
'--testdir=%s' % self.tmptestdir]
|
|
|
|
def check_output(self, output):
|
|
self.parse_random_seed(output)
|
|
self.check_executed_tests(output, self.tests, randomize=True)
|
|
|
|
def run_tests(self, args):
|
|
output = self.run_python(args)
|
|
self.check_output(output)
|
|
|
|
def test_script_regrtest(self):
|
|
# Lib/test/regrtest.py
|
|
script = os.path.join(self.testdir, 'regrtest.py')
|
|
|
|
args = self.python_args + [script] + self.regrtest_args + self.tests
|
|
self.run_tests(args)
|
|
|
|
def test_module_test(self):
|
|
# -m test
|
|
args = self.python_args + ['-m', 'test'] + self.regrtest_args + self.tests
|
|
self.run_tests(args)
|
|
|
|
def test_module_regrtest(self):
|
|
# -m test.regrtest
|
|
args = self.python_args + ['-m', 'test.regrtest'] + self.regrtest_args + self.tests
|
|
self.run_tests(args)
|
|
|
|
def test_module_autotest(self):
|
|
# -m test.autotest
|
|
args = self.python_args + ['-m', 'test.autotest'] + self.regrtest_args + self.tests
|
|
self.run_tests(args)
|
|
|
|
def test_module_from_test_autotest(self):
|
|
# from test import autotest
|
|
code = 'from test import autotest'
|
|
args = self.python_args + ['-c', code] + self.regrtest_args + self.tests
|
|
self.run_tests(args)
|
|
|
|
def test_script_autotest(self):
|
|
# Lib/test/autotest.py
|
|
script = os.path.join(self.testdir, 'autotest.py')
|
|
args = self.python_args + [script] + self.regrtest_args + self.tests
|
|
self.run_tests(args)
|
|
|
|
def run_batch(self, *args):
|
|
proc = self.run_command(args)
|
|
self.check_output(proc.stdout)
|
|
|
|
def need_pcbuild(self):
|
|
exe = os.path.normpath(os.path.abspath(sys.executable))
|
|
parts = exe.split(os.path.sep)
|
|
if len(parts) < 3:
|
|
# it's not a python build, python is likely to be installed
|
|
return
|
|
|
|
build_dir = parts[-3]
|
|
if build_dir.lower() != 'pcbuild':
|
|
self.skipTest("Tools/buildbot/test.bat requires PCbuild build, "
|
|
"found %s" % build_dir)
|
|
|
|
@unittest.skipUnless(sysconfig.is_python_build(),
|
|
'test.bat script is not installed')
|
|
@unittest.skipUnless(sys.platform == 'win32', 'Windows only')
|
|
def test_tools_buildbot_test(self):
|
|
self.need_pcbuild()
|
|
|
|
# Tools\buildbot\test.bat
|
|
script = os.path.join(ROOT_DIR, 'Tools', 'buildbot', 'test.bat')
|
|
test_args = ['--testdir=%s' % self.tmptestdir]
|
|
if platform.architecture()[0] == '64bit':
|
|
test_args.append('-x64') # 64-bit build
|
|
if not Py_DEBUG:
|
|
test_args.append('+d') # Release build, use python.exe
|
|
|
|
args = [script] + test_args + self.tests
|
|
self.run_batch(*args)
|
|
|
|
@unittest.skipUnless(sys.platform == 'win32', 'Windows only')
|
|
def test_pcbuild_rt(self):
|
|
self.need_pcbuild()
|
|
|
|
# PCbuild\rt.bat
|
|
script = os.path.join(ROOT_DIR, r'PCbuild\rt.bat')
|
|
rt_args = ["-q"] # Quick, don't run tests twice
|
|
if platform.architecture()[0] == '64bit':
|
|
rt_args.append('-x64') # 64-bit build
|
|
if Py_DEBUG:
|
|
rt_args.append('-d') # Debug build, use python_d.exe
|
|
args = [script] + rt_args + self.regrtest_args + self.tests
|
|
self.run_batch(*args)
|
|
|
|
|
|
class ArgsTestCase(BaseTestCase):
|
|
"""
|
|
Test arguments of the Python test suite.
|
|
"""
|
|
|
|
def run_tests(self, *testargs, **kw):
|
|
cmdargs = ('-m', 'test', '--testdir=%s' % self.tmptestdir) + testargs
|
|
return self.run_python(cmdargs, **kw)
|
|
|
|
def test_failing_test(self):
|
|
# test a failing test
|
|
code = textwrap.dedent("""
|
|
import unittest
|
|
from test import support
|
|
|
|
class FailingTest(unittest.TestCase):
|
|
def test_failing(self):
|
|
self.fail("bug")
|
|
|
|
def test_main():
|
|
support.run_unittest(FailingTest)
|
|
""")
|
|
test_ok = self.create_test('ok')
|
|
test_failing = self.create_test('failing', code=code)
|
|
tests = [test_ok, test_failing]
|
|
|
|
output = self.run_tests(*tests, exitcode=1)
|
|
self.check_executed_tests(output, tests, failed=test_failing)
|
|
|
|
def test_resources(self):
|
|
# test -u command line option
|
|
tests = {}
|
|
for resource in ('audio', 'network'):
|
|
code = 'from test import support\nsupport.requires(%r)' % resource
|
|
tests[resource] = self.create_test(resource, code)
|
|
test_names = sorted(tests.values())
|
|
|
|
# -u all: 2 resources enabled
|
|
output = self.run_tests('-u', 'all', *test_names)
|
|
self.check_executed_tests(output, test_names)
|
|
|
|
# -u audio: 1 resource enabled
|
|
output = self.run_tests('-uaudio', *test_names)
|
|
self.check_executed_tests(output, test_names,
|
|
skipped=tests['network'])
|
|
|
|
# no option: 0 resources enabled
|
|
output = self.run_tests(*test_names)
|
|
self.check_executed_tests(output, test_names,
|
|
skipped=test_names)
|
|
|
|
def test_random(self):
|
|
# test -r and --randseed command line option
|
|
code = textwrap.dedent("""
|
|
import random
|
|
print("TESTRANDOM: %s" % random.randint(1, 1000))
|
|
""")
|
|
test = self.create_test('random', code)
|
|
|
|
# first run to get the output with the random seed
|
|
output = self.run_tests('-r', '-v', test)
|
|
randseed = self.parse_random_seed(output)
|
|
match = self.regex_search(r'TESTRANDOM: ([0-9]+)', output)
|
|
test_random = int(match.group(1))
|
|
|
|
# try to reproduce with the random seed
|
|
output = self.run_tests('-r', '-v', '--randseed=%s' % randseed, test)
|
|
randseed2 = self.parse_random_seed(output)
|
|
self.assertEqual(randseed2, randseed)
|
|
|
|
match = self.regex_search(r'TESTRANDOM: ([0-9]+)', output)
|
|
test_random2 = int(match.group(1))
|
|
self.assertEqual(test_random2, test_random)
|
|
|
|
def test_fromfile(self):
|
|
# test --fromfile
|
|
tests = [self.create_test() for index in range(5)]
|
|
|
|
# Write the list of files using a format similar to regrtest output:
|
|
# [1/2] test_1
|
|
# [2/2] test_2
|
|
filename = support.TESTFN
|
|
self.addCleanup(support.unlink, filename)
|
|
|
|
# test format 'test_opcodes'
|
|
with open(filename, "w") as fp:
|
|
for name in tests:
|
|
print(name, file=fp)
|
|
|
|
output = self.run_tests('--fromfile', filename)
|
|
self.check_executed_tests(output, tests)
|
|
|
|
def test_interrupted(self):
|
|
code = TEST_INTERRUPTED
|
|
test = self.create_test('sigint', code=code)
|
|
output = self.run_tests(test, exitcode=1)
|
|
self.check_executed_tests(output, test, omitted=test,
|
|
interrupted=True)
|
|
|
|
def test_slowest(self):
|
|
# test --slow
|
|
tests = [self.create_test() for index in range(3)]
|
|
output = self.run_tests("--slowest", *tests)
|
|
self.check_executed_tests(output, tests)
|
|
regex = ('10 slowest tests:\n'
|
|
'(?:- %s: .*\n){%s}'
|
|
% (self.TESTNAME_REGEX, len(tests)))
|
|
self.check_line(output, regex)
|
|
|
|
def test_slow_interrupted(self):
|
|
# Issue #25373: test --slowest with an interrupted test
|
|
code = TEST_INTERRUPTED
|
|
test = self.create_test("sigint", code=code)
|
|
|
|
try:
|
|
import threading
|
|
tests = (False, True)
|
|
except ImportError:
|
|
tests = (False,)
|
|
for multiprocessing in tests:
|
|
if multiprocessing:
|
|
args = ("--slowest", "-j2", test)
|
|
else:
|
|
args = ("--slowest", test)
|
|
output = self.run_tests(*args, exitcode=1)
|
|
self.check_executed_tests(output, test,
|
|
omitted=test, interrupted=True)
|
|
|
|
regex = ('10 slowest tests:\n')
|
|
self.check_line(output, regex)
|
|
|
|
def test_coverage(self):
|
|
# test --coverage
|
|
test = self.create_test('coverage')
|
|
output = self.run_tests("--coverage", test)
|
|
self.check_executed_tests(output, [test])
|
|
regex = (r'lines +cov% +module +\(path\)\n'
|
|
r'(?: *[0-9]+ *[0-9]{1,2}% *[^ ]+ +\([^)]+\)+)+')
|
|
self.check_line(output, regex)
|
|
|
|
def test_forever(self):
|
|
# test --forever
|
|
code = textwrap.dedent("""
|
|
import __builtin__
|
|
import unittest
|
|
from test import support
|
|
|
|
class ForeverTester(unittest.TestCase):
|
|
def test_run(self):
|
|
# Store the state in the __builtin__ module, because the test
|
|
# module is reload at each run
|
|
if 'RUN' in __builtin__.__dict__:
|
|
__builtin__.__dict__['RUN'] += 1
|
|
if __builtin__.__dict__['RUN'] >= 3:
|
|
self.fail("fail at the 3rd runs")
|
|
else:
|
|
__builtin__.__dict__['RUN'] = 1
|
|
|
|
def test_main():
|
|
support.run_unittest(ForeverTester)
|
|
""")
|
|
test = self.create_test('forever', code=code)
|
|
output = self.run_tests('--forever', test, exitcode=1)
|
|
self.check_executed_tests(output, [test]*3, failed=test)
|
|
|
|
def test_list_tests(self):
|
|
# test --list-tests
|
|
tests = [self.create_test() for i in range(5)]
|
|
output = self.run_tests('--list-tests', *tests)
|
|
self.assertEqual(output.rstrip().splitlines(),
|
|
tests)
|
|
|
|
def test_crashed(self):
|
|
# Any code which causes a crash
|
|
code = 'import ctypes; ctypes.string_at(0)'
|
|
crash_test = self.create_test(name="crash", code=code)
|
|
ok_test = self.create_test(name="ok")
|
|
|
|
tests = [crash_test, ok_test]
|
|
output = self.run_tests("-j2", *tests, exitcode=1)
|
|
self.check_executed_tests(output, tests, failed=crash_test,
|
|
randomize=True)
|
|
|
|
def parse_methods(self, output):
|
|
regex = re.compile("^(test[^ ]+).*ok$", flags=re.MULTILINE)
|
|
return [match.group(1) for match in regex.finditer(output)]
|
|
|
|
def test_matchfile(self):
|
|
# Any code which causes a crash
|
|
code = textwrap.dedent("""
|
|
import unittest
|
|
from test import support
|
|
|
|
class Tests(unittest.TestCase):
|
|
def test_method1(self):
|
|
pass
|
|
def test_method2(self):
|
|
pass
|
|
def test_method3(self):
|
|
pass
|
|
def test_method4(self):
|
|
pass
|
|
|
|
def test_main():
|
|
support.run_unittest(Tests)
|
|
""")
|
|
all_methods = ['test_method1', 'test_method2',
|
|
'test_method3', 'test_method4']
|
|
testname = self.create_test(code=code)
|
|
|
|
# by default, all methods should be run
|
|
output = self.run_tests("-v", testname)
|
|
methods = self.parse_methods(output)
|
|
self.assertEqual(methods, all_methods)
|
|
|
|
# only run a subset
|
|
filename = support.TESTFN
|
|
self.addCleanup(support.unlink, filename)
|
|
|
|
subset = [
|
|
# only match the method name
|
|
'test_method1',
|
|
# match the full identifier
|
|
'%s.Tests.test_method3' % testname]
|
|
with open(filename, "w") as fp:
|
|
for name in subset:
|
|
print(name, file=fp)
|
|
|
|
output = self.run_tests("-v", "--matchfile", filename, testname)
|
|
methods = self.parse_methods(output)
|
|
subset = ['test_method1', 'test_method3']
|
|
self.assertEqual(methods, subset)
|
|
|
|
def test_list_cases(self):
|
|
# test --list-cases
|
|
code = textwrap.dedent("""
|
|
import unittest
|
|
from test import support
|
|
|
|
class Tests(unittest.TestCase):
|
|
def test_method1(self):
|
|
pass
|
|
def test_method2(self):
|
|
pass
|
|
|
|
def test_main():
|
|
support.run_unittest(Tests)
|
|
""")
|
|
testname = self.create_test(code=code)
|
|
all_methods = ['%s.Tests.test_method1' % testname,
|
|
'%s.Tests.test_method2' % testname]
|
|
output = self.run_tests('--list-cases', testname)
|
|
self.assertEqual(output.splitlines(), all_methods)
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(ProgramsTestCase, ArgsTestCase)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|