def test_issue13210(self):
# invoking "continue" on a non-main thread triggered an exception
# inside signal.signal
# raises SkipTest if python was built without threads
support.import_module("threading")
with open(support.TESTFN, "wb") as f:
f.write(
textwrap.dedent(
"""
import threading
import pdb
def start_pdb():
pdb.Pdb().set_trace()
x = 1
y = 1
t = threading.Thread(target=start_pdb)
t.start()"""
).encode("ascii")
)
cmd = [sys.executable, "-u", support.TESTFN]
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.STDOUT)
self.addCleanup(proc.stdout.close)
stdout, stderr = proc.communicate(b"cont\n")
self.assertNotIn("Error", stdout.decode(), "Got an error running test script under PDB")
def test_finalize_runnning_thread(self):
# Issue 1402: the PyGILState_Ensure / _Release functions may be called
# very late on python exit: on deallocation of a running thread for
# example.
import_module("ctypes")
rc, out, err = assert_python_failure(
"-c",
"""if 1:
import ctypes, sys, time, _thread
# This lock is used as a simple event variable.
ready = _thread.allocate_lock()
ready.acquire()
# Module globals are cleared before __del__ is run
# So we save the functions in class dict
class C:
ensure = ctypes.pythonapi.PyGILState_Ensure
release = ctypes.pythonapi.PyGILState_Release
def __del__(self):
state = self.ensure()
self.release(state)
def waitingThread():
x = C()
ready.release()
time.sleep(100)
_thread.start_new_thread(waitingThread, ())
ready.acquire() # Be sure the other thread is waiting.
sys.exit(42)
""",
)
self.assertEqual(rc, 42)
def test_untested_modules_can_be_imported(self):
untested = ('bdb', 'encodings', 'formatter',
'nturl2path', 'tabnanny')
with support.check_warnings(quiet=True):
for name in untested:
try:
support.import_module('test.test_{}'.format(name))
except unittest.SkipTest:
importlib.import_module(name)
else:
self.fail('{} has tests even though test_sundry claims '
'otherwise'.format(name))
# distutils not available on UWP
if sys.platform != 'uwp':
import distutils.bcppcompiler
import distutils.ccompiler
import distutils.cygwinccompiler
import distutils.filelist
import distutils.text_file
import distutils.unixccompiler
import distutils.command.bdist_dumb
if sys.platform.startswith('win'):
import distutils.command.bdist_msi
import distutils.command.bdist
import distutils.command.bdist_rpm
import distutils.command.bdist_wininst
import distutils.command.build_clib
import distutils.command.build_ext
import distutils.command.build
import distutils.command.clean
import distutils.command.config
import distutils.command.install_data
import distutils.command.install_egg_info
import distutils.command.install_headers
import distutils.command.install_lib
import distutils.command.register
import distutils.command.sdist
import distutils.command.upload
import html.entities
try:
import tty # Not available on Windows
except ImportError:
if support.verbose:
print("skipping tty")
def test_refcount_errors(self):
self.preclean()
# Verify the "handling" of objects with broken refcounts
# Skip the test if ctypes is not available
import_module("ctypes")
import subprocess
code = textwrap.dedent('''
from test.support import gc_collect, SuppressCrashReport
a = [1, 2, 3]
b = [a]
# Avoid coredump when Py_FatalError() calls abort()
SuppressCrashReport().__enter__()
# Simulate the refcount of "a" being too low (compared to the
# references held on it by live data), but keeping it above zero
# (to avoid deallocating it):
import ctypes
ctypes.pythonapi.Py_DecRef(ctypes.py_object(a))
# The garbage collector should now have a fatal error
# when it reaches the broken object
gc_collect()
''')
p = subprocess.Popen([sys.executable, "-c", code],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
p.stdout.close()
p.stderr.close()
# Verify that stderr has a useful error message:
self.assertRegex(stderr,
br'gcmodule\.c:[0-9]+: gc_decref: Assertion "gc_get_refs\(g\) > 0" failed.')
self.assertRegex(stderr,
br'refcount is too small')
self.assertRegex(stderr,
br'object : \[1, 2, 3\]')
self.assertRegex(stderr,
br'type : list')
self.assertRegex(stderr,
br'refcount: 1')
# "address : 0x7fb5062efc18"
# "address : 7FB5062EFC18"
self.assertRegex(stderr,
br'address : [0-9a-fA-Fx]+')
def test_coverage(coverdir):
trace = support.import_module("trace")
tracer = trace.Trace(ignoredirs=[sys.prefix, sys.exec_prefix], trace=0, count=1)
tracer.run("reload(cmd);test_main()")
r = tracer.results()
print("Writing coverage results...")
r.write_results(show_missing=True, summary=True, coverdir=coverdir)
def test_windows_message(self):
"""Should fill in unknown error code in Windows error message"""
ctypes = import_module('ctypes')
# this error code has no message, Python formats it as hexadecimal
code = 3765269347
with self.assertRaisesRegex(OSError, 'Windows Error 0x%x' % code):
ctypes.pythonapi.PyErr_SetFromWindowsErr(code)
def test_coverage(coverdir):
trace = support.import_module('trace')
tracer=trace.Trace(ignoredirs=[sys.base_prefix, sys.base_exec_prefix,],
trace=0, count=1)
tracer.run('import importlib; importlib.reload(cmd); test_main()')
r=tracer.results()
print("Writing coverage results...")
r.write_results(show_missing=True, summary=True, coverdir=coverdir)
def setUp(self):
#print("DBG:CB.setUp()")
# fire up the test subject
self.expty = import_module('editline.tests.expty')
# should use sys.ps1 for the prompt, but it seems to only be define
# when the system actually IS interactive... ?
self.tool = self.expty.InteractivePTY(sys.executable, '>>> ', 'exit()')
cruft = self.tool.first_prompt()
def test_multiprocessing_exceptions(self):
module = support.import_module('multiprocessing.context')
for name, exc in get_exceptions(module):
with self.subTest(name):
self.assertEqual(reverse_mapping('multiprocessing.context', name),
('multiprocessing', name))
self.assertEqual(mapping('multiprocessing', name),
('multiprocessing.context', name))
def test_200_terminal_size(self):
rows = int(subprocess.check_output(['tput', 'lines']).decode())
columns = int(subprocess.check_output(['tput', 'cols']).decode())
self.assertNotEqual(columns, 0)
editline = import_module('editline.editline')
el = editline.EditLine("testcase",
sys.stdin, sys.stdout, sys.stderr)
el_cols = el.gettc('co')
self.assertEqual(el_cols, columns)
def test_triplet_in_ext_suffix(self):
ctypes = import_module('ctypes')
import platform, re
machine = platform.machine()
suffix = sysconfig.get_config_var('EXT_SUFFIX')
if re.match('(aarch64|arm|mips|ppc|powerpc|s390|sparc)', machine):
self.assertTrue('linux' in suffix, suffix)
if re.match('(i[3-6]86|x86_64)$', machine):
if ctypes.sizeof(ctypes.c_char_p()) == 4:
self.assertTrue(suffix.endswith('i386-linux-gnu.so') or
suffix.endswith('x86_64-linux-gnux32.so'),
suffix)
else: # 8 byte pointer size
self.assertTrue(suffix.endswith('x86_64-linux-gnu.so'), suffix)
def test_interrupted_write(self):
# BaseHandler._write() and _flush() have to write all data, even if
# it takes multiple send() calls. Test this by interrupting a send()
# call with a Unix signal.
threading = support.import_module("threading")
pthread_kill = support.get_attribute(signal, "pthread_kill")
def app(environ, start_response):
start_response("200 OK", [])
return [b'\0' * support.SOCK_MAX_SIZE]
class WsgiHandler(NoLogRequestHandler, WSGIRequestHandler):
pass
server = make_server(support.HOST, 0, app, handler_class=WsgiHandler)
self.addCleanup(server.server_close)
interrupted = threading.Event()
def signal_handler(signum, frame):
interrupted.set()
original = signal.signal(signal.SIGUSR1, signal_handler)
self.addCleanup(signal.signal, signal.SIGUSR1, original)
received = None
main_thread = threading.get_ident()
def run_client():
http = HTTPConnection(*server.server_address)
http.request("GET", "/")
with http.getresponse() as response:
response.read(100)
# The main thread should now be blocking in a send() system
# call. But in theory, it could get interrupted by other
# signals, and then retried. So keep sending the signal in a
# loop, in case an earlier signal happens to be delivered at
# an inconvenient moment.
while True:
pthread_kill(main_thread, signal.SIGUSR1)
if interrupted.wait(timeout=float(1)):
break
nonlocal received
received = len(response.read())
http.close()
background = threading.Thread(target=run_client)
background.start()
server.handle_request()
background.join()
self.assertEqual(received, support.SOCK_MAX_SIZE - 100)
def run_pty(script, input=b"dummy input\r", env=None):
pty = import_module('pty')
output = bytearray()
[master, slave] = pty.openpty()
args = (sys.executable, '-c', script)
proc = subprocess.Popen(args, stdin=slave, stdout=slave, stderr=slave, env=env)
os.close(slave)
with ExitStack() as cleanup:
cleanup.enter_context(proc)
def terminate(proc):
try:
proc.terminate()
except ProcessLookupError:
# Workaround for Open/Net BSD bug (Issue 16762)
pass
cleanup.callback(terminate, proc)
cleanup.callback(os.close, master)
# Avoid using DefaultSelector and PollSelector. Kqueue() does not
# work with pseudo-terminals on OS X < 10.9 (Issue 20365) and Open
# BSD (Issue 20667). Poll() does not work with OS X 10.6 or 10.4
# either (Issue 20472). Hopefully the file descriptor is low enough
# to use with select().
sel = cleanup.enter_context(selectors.SelectSelector())
sel.register(master, selectors.EVENT_READ | selectors.EVENT_WRITE)
os.set_blocking(master, False)
while True:
for [_, events] in sel.select():
if events & selectors.EVENT_READ:
try:
chunk = os.read(master, 0x10000)
except OSError as err:
# Linux raises EIO when slave is closed (Issue 5380)
if err.errno != EIO:
raise
chunk = b""
if not chunk:
return output
output.extend(chunk)
if events & selectors.EVENT_WRITE:
try:
input = input[os.write(master, input):]
except OSError as err:
# Apparently EIO means the slave was closed
if err.errno != EIO:
raise
input = b"" # Stop writing
if not input:
sel.modify(master, selectors.EVENT_READ)
def dash_R_cleanup(fs, ps, pic, abcs):
import gc, copyreg
import _strptime, linecache
dircache = support.import_module('dircache', deprecated=True)
import urllib.parse, urllib.request, urllib.parse, urllib.error, urllib.request, urllib.error, urllib.parse, mimetypes, doctest
import struct, filecmp
from distutils.dir_util import _path_created
# Clear the warnings registry, so they can be displayed again
for mod in list(sys.modules.values()):
if hasattr(mod, '__warningregistry__'):
del mod.__warningregistry__
# Restore some original values.
warnings.filters[:] = fs
copyreg.dispatch_table.clear()
copyreg.dispatch_table.update(ps)
sys.path_importer_cache.clear()
sys.path_importer_cache.update(pic)
# clear type cache
sys._clear_type_cache()
# Clear ABC registries, restoring previously saved ABC registries.
for abc, registry in list(abcs.items()):
abc._abc_registry = registry.copy()
abc._abc_cache.clear()
abc._abc_negative_cache.clear()
# Clear assorted module caches.
_path_created.clear()
re.purge()
_strptime._regex_cache.clear()
urllib.parse.clear_cache()
urllib.request.urlcleanup()
urllib.request.install_opener(None)
dircache.reset()
linecache.clearcache()
mimetypes._default_mime_types()
filecmp._cache.clear()
struct._clearcache()
doctest.master = None
# Collect cyclic trash.
gc.collect()
def test_triplet_in_ext_suffix(self):
ctypes = import_module("ctypes")
import platform, re
machine = platform.machine()
suffix = sysconfig.get_config_var("EXT_SUFFIX")
if re.match("(aarch64|arm|mips|ppc|powerpc|s390|sparc)", machine):
self.assertTrue("linux" in suffix, suffix)
if re.match("(i[3-6]86|x86_64)$", machine):
if ctypes.sizeof(ctypes.c_char_p()) == 4:
self.assertTrue(
suffix.endswith("i386-linux-gnu.so")
or suffix.endswith("i686-linux-android.so")
or suffix.endswith("x86_64-linux-gnux32.so"),
suffix,
)
else: # 8 byte pointer size
self.assertTrue(suffix.endswith("x86_64-linux-gnu.so"), suffix)
def test_expanduser_pwd(self):
pwd = support.import_module('pwd')
self.assertIsInstance(posixpath.expanduser("~/"), str)
self.assertIsInstance(posixpath.expanduser(b"~/"), bytes)
# if home directory == root directory, this test makes no sense
if posixpath.expanduser("~") != '/':
self.assertEqual(
posixpath.expanduser("~") + "/",
posixpath.expanduser("~/")
)
self.assertEqual(
posixpath.expanduser(b"~") + b"/",
posixpath.expanduser(b"~/")
)
self.assertIsInstance(posixpath.expanduser("~root/"), str)
self.assertIsInstance(posixpath.expanduser("~foo/"), str)
self.assertIsInstance(posixpath.expanduser(b"~root/"), bytes)
self.assertIsInstance(posixpath.expanduser(b"~foo/"), bytes)
with support.EnvironmentVarGuard() as env:
# expanduser should fall back to using the password database
del env['HOME']
home = pwd.getpwuid(os.getuid()).pw_dir
# $HOME can end with a trailing /, so strip it (see #17809)
home = home.rstrip("/") or '/'
self.assertEqual(posixpath.expanduser("~"), home)
# bpo-10496: If the HOME environment variable is not set and the
# user (current identifier or name in the path) doesn't exist in
# the password database (pwd.getuid() or pwd.getpwnam() fail),
# expanduser() must return the path unchanged.
with mock.patch.object(pwd, 'getpwuid', side_effect=KeyError), \
mock.patch.object(pwd, 'getpwnam', side_effect=KeyError):
for path in ('~', '~/.local', '~vstinner/'):
self.assertEqual(posixpath.expanduser(path), path)
def test_asyncio_1(self):
# asyncio cannot be imported when Python is compiled without thread
# support
asyncio = support.import_module('asyncio')
class MyException(Exception):
pass
buffer = []
class CM:
async def __aenter__(self):
buffer.append(1)
await asyncio.sleep(0.01)
buffer.append(2)
return self
async def __aexit__(self, exc_type, exc_val, exc_tb):
await asyncio.sleep(0.01)
buffer.append(exc_type.__name__)
async def f():
async with CM() as c:
await asyncio.sleep(0.01)
raise MyException
buffer.append('unreachable')
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
try:
loop.run_until_complete(f())
except MyException:
pass
finally:
loop.close()
asyncio.set_event_loop(None)
self.assertEqual(buffer, [1, 2, 'MyException'])
"""
Tests for the threading module.
"""
import test.support
from test.support import (verbose, import_module, cpython_only,
requires_type_collecting)
from test.support.script_helper import assert_python_ok, assert_python_failure
import random
import sys
_thread = import_module('_thread')
threading = import_module('threading')
import time
import unittest
import weakref
import os
import subprocess
from test import lock_tests
from test import support
# Between fork() and exec(), only async-safe functions are allowed (issues
# #12316 and #11870), and fork() from a worker thread is known to trigger
# problems with some operating systems (issue #3863): skip problematic tests
# on platforms known to behave badly.
platforms_to_skip = ('freebsd4', 'freebsd5', 'freebsd6', 'netbsd5',
'hp-ux11')
from test import support
gdbm = support.import_module("dbm.gnu") #skip if not supported
import unittest
import os
from test.support import verbose, TESTFN, unlink
filename = TESTFN
class TestGdbm(unittest.TestCase):
def setUp(self):
self.g = None
def tearDown(self):
if self.g is not None:
self.g.close()
unlink(filename)
def test_key_methods(self):
self.g = gdbm.open(filename, 'c')
self.assertEqual(self.g.keys(), [])
self.g['a'] = 'b'
self.g['12345678910'] = '019237410982340912840198242'
self.g[b'bytes'] = b'data'
key_set = set(self.g.keys())
self.assertEqual(key_set, set([b'a', b'bytes', b'12345678910']))
self.assertIn(b'a', self.g)
self.assertEqual(self.g[b'bytes'], b'data')
key = self.g.firstkey()
while key:
self.assertIn(key, key_set)
import functools
import os
import subprocess
import time
import unittest
from test import support
support.requires('audio')
winsound = support.import_module('winsound')
def sound_func(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
try:
ret = func(*args, **kwargs)
except RuntimeError as e:
if support.verbose:
print(func.__name__, 'failed:', e)
else:
if support.verbose:
print(func.__name__, 'returned')
return ret
return wrapper
safe_Beep = sound_func(winsound.Beep)
safe_MessageBeep = sound_func(winsound.MessageBeep)
safe_PlaySound = sound_func(winsound.PlaySound)
import unittest
from test.support import run_unittest, import_module
# Skip tests if _ctypes module was not built.
import_module('_ctypes')
import ctypes.test
def test_main():
skipped, testcases = ctypes.test.get_tests(ctypes.test, "test_*.py", verbosity=0)
suites = [unittest.makeSuite(t) for t in testcases]
run_unittest(unittest.TestSuite(suites))
if __name__ == "__main__":
test_main()
from test import support
# If we end up with a significant number of tests that don't require
# threading, this test module should be split. Right now we skip
# them all if we don't have threading.
threading = support.import_module('threading')
from contextlib import contextmanager
import imaplib
import os.path
import socketserver
import time
import calendar
from test.support import reap_threads, verbose, transient_internet, run_with_tz
import unittest
try:
import ssl
except ImportError:
ssl = None
CERTFILE = None
class TestImaplib(unittest.TestCase):
def test_Internaldate2tuple(self):
t0 = calendar.timegm((2000, 1, 1, 0, 0, 0, -1, -1, -1))
tt = imaplib.Internaldate2tuple(
b'25 (INTERNALDATE "01-Jan-2000 00:00:00 +0000")')
self.assertEqual(time.mktime(tt), t0)
import unittest
from test import support
import time
resource = support.import_module('resource')
# This test is checking a few specific problem spots with the resource module.
class ResourceTest(unittest.TestCase):
def test_args(self):
self.assertRaises(TypeError, resource.getrlimit)
self.assertRaises(TypeError, resource.getrlimit, 42, 42)
self.assertRaises(TypeError, resource.setrlimit)
self.assertRaises(TypeError, resource.setrlimit, 42, 42, 42)
def test_fsize_ismax(self):
try:
(cur, max) = resource.getrlimit(resource.RLIMIT_FSIZE)
except AttributeError:
pass
else:
# RLIMIT_FSIZE should be RLIM_INFINITY, which will be a really big
# number on a platform with large file support. On these platforms,
# we need to test that the get/setrlimit functions properly convert
# the number to a C long long and that the conversion doesn't raise
# an error.
self.assertEqual(resource.RLIM_INFINITY, max)
resource.setrlimit(resource.RLIMIT_FSIZE, (cur, max))
def test_fsize_enforced(self):
# Modified by Giampaolo Rodola' to give poplib.POP3 and poplib.POP3_SSL
# a real test suite
import poplib
import asyncore
import asynchat
import socket
import os
import time
import errno
from unittest import TestCase, skipUnless
from test import support as test_support
threading = test_support.import_module('threading')
HOST = test_support.HOST
PORT = 0
# the dummy data returned by server when LIST and RETR commands are issued
LIST_RESP = b'1 1\r\n2 2\r\n3 3\r\n4 4\r\n5 5\r\n.\r\n'
RETR_RESP = b"""From: [email protected]\
\r\nContent-Type: text/plain\r\n\
MIME-Version: 1.0\r\n\
Subject: Dummy\r\n\
\r\n\
line1\r\n\
line2\r\n\
line3\r\n\
.\r\n"""
def test_PyThreadState_SetAsyncExc(self):
ctypes = import_module("ctypes")
set_async_exc = ctypes.pythonapi.PyThreadState_SetAsyncExc
set_async_exc.argtypes = (ctypes.c_ulong, ctypes.py_object)
class AsyncExc(Exception):
pass
exception = ctypes.py_object(AsyncExc)
# First check it works when setting the exception from the same thread.
tid = threading.get_ident()
self.assertIsInstance(tid, int)
self.assertGreater(tid, 0)
try:
result = set_async_exc(tid, exception)
# The exception is async, so we might have to keep the VM busy until
# it notices.
while True:
pass
except AsyncExc:
pass
else:
# This code is unreachable but it reflects the intent. If we wanted
# to be smarter the above loop wouldn't be infinite.
self.fail("AsyncExc not raised")
try:
self.assertEqual(result, 1) # one thread state modified
except UnboundLocalError:
# The exception was raised too quickly for us to get the result.
pass
# `worker_started` is set by the thread when it's inside a try/except
# block waiting to catch the asynchronously set AsyncExc exception.
# `worker_saw_exception` is set by the thread upon catching that
# exception.
worker_started = threading.Event()
worker_saw_exception = threading.Event()
class Worker(threading.Thread):
def run(self):
self.id = threading.get_ident()
self.finished = False
try:
while True:
worker_started.set()
time.sleep(0.1)
except AsyncExc:
self.finished = True
worker_saw_exception.set()
t = Worker()
t.daemon = True # so if this fails, we don't hang Python at shutdown
t.start()
if verbose:
print(" started worker thread")
# Try a thread id that doesn't make sense.
if verbose:
print(" trying nonsensical thread id")
result = set_async_exc(-1, exception)
self.assertEqual(result, 0) # no thread states modified
# Now raise an exception in the worker thread.
if verbose:
print(" waiting for worker thread to get started")
ret = worker_started.wait()
self.assertTrue(ret)
if verbose:
print(" verifying worker hasn't exited")
self.assertFalse(t.finished)
if verbose:
print(" attempting to raise asynch exception in worker")
result = set_async_exc(t.id, exception)
self.assertEqual(result, 1) # one thread state modified
if verbose:
print(" waiting for worker to say it caught the exception")
worker_saw_exception.wait(timeout=10)
self.assertTrue(t.finished)
if verbose:
print(" all OK -- joining worker")
if t.finished:
t.join()
import os
from test.support import load_package_tests, import_module
# Skip tests if we don't have threading.
import_module('threading')
# Skip tests if we don't have concurrent.futures.
import_module('concurrent.futures')
def load_tests(*args):
return load_package_tests(os.path.dirname(__file__), *args)
import array
import unittest
from test.support import run_unittest, import_module, get_attribute
import os, struct
fcntl = import_module('fcntl')
termios = import_module('termios')
get_attribute(termios, 'TIOCGPGRP') #Can't run tests without this feature
try:
tty = open("/dev/tty", "r")
except IOError:
raise unittest.SkipTest("Unable to open /dev/tty")
else:
# Skip if another process is in foreground
r = fcntl.ioctl(tty, termios.TIOCGPGRP, " ")
tty.close()
rpgrp = struct.unpack("i", r)[0]
if rpgrp not in (os.getpgrp(), os.getsid(0)):
raise unittest.SkipTest("Neither the process group nor the session "
"are attached to /dev/tty")
del tty, r, rpgrp
try:
import pty
except ImportError:
pty = None
class IoctlTests(unittest.TestCase):
def test_ioctl(self):
# If this process has been put into the background, TIOCGPGRP returns
"""
Tests for the threading module.
"""
import test.support
from test.support import verbose, strip_python_stderr, import_module, cpython_only
from test.script_helper import assert_python_ok
import random
import re
import sys
_thread = import_module('_thread')
threading = import_module('threading')
import time
import unittest
import weakref
import os
from test.script_helper import assert_python_ok, assert_python_failure
import subprocess
from test import lock_tests
# Between fork() and exec(), only async-safe functions are allowed (issues
# #12316 and #11870), and fork() from a worker thread is known to trigger
# problems with some operating systems (issue #3863): skip problematic tests
# on platforms known to behave badly.
platforms_to_skip = ('freebsd4', 'freebsd5', 'freebsd6', 'netbsd5', 'hp-ux11')
# A trivial mutable counter.
import os
import string
import sys
import tempfile
import unittest
from test.support import requires, import_module, verbose
import inspect
requires('curses')
curses = import_module('curses')
import_module('curses.panel')
import_module('curses.ascii')
import_module('curses.textpad')
def requires_curses_func(name):
return unittest.skipUnless(hasattr(curses, name),
'requires curses.%s' % name)
term = os.environ.get('TERM')
@unittest.skipIf(not term or term == 'unknown',
'$TERM=%r, calling initscr() may cause exit' % term)
@unittest.skipIf(sys.platform == 'cygwin', "cygwin's curses mostly just hangs")
class TestCurses(unittest.TestCase):
@classmethod
def setUpClass(cls):
if not sys.__stdout__.isatty():
raise unittest.SkipTest('sys.__stdout__ is not a tty')
from io import BytesIO, DEFAULT_BUFFER_SIZE
import os
import pickle
import glob
import tempfile
import pathlib
import random
import shutil
import subprocess
import threading
from test.support import unlink
import _compression
import sys
# Skip tests if the bz2 module doesn't exist.
bz2 = support.import_module('bz2')
from bz2 import BZ2File, BZ2Compressor, BZ2Decompressor
has_cmdline_bunzip2 = None
def ext_decompress(data):
global has_cmdline_bunzip2
if has_cmdline_bunzip2 is None:
has_cmdline_bunzip2 = bool(shutil.which('bunzip2'))
if has_cmdline_bunzip2:
return subprocess.check_output(['bunzip2'], input=data)
else:
return bz2.decompress(data)
"Test posix functions"
from test import support
# Skip these tests if there is no posix module.
posix = support.import_module('posix')
import errno
import sys
import time
import os
import pwd
import shutil
import stat
import tempfile
import unittest
import warnings
_DUMMY_SYMLINK = os.path.join(tempfile.gettempdir(),
support.TESTFN + '-dummy-symlink')
class PosixTester(unittest.TestCase):
def setUp(self):
# create empty file
fp = open(support.TESTFN, 'w+')
fp.close()
self.teardown_files = [ support.TESTFN ]
self._warnings_manager = support.check_warnings()
self._warnings_manager.__enter__()
warnings.filterwarnings('ignore', '.* potential security risk .*',
# tests __main__ module handling in multiprocessing
from test import support
# Skip tests if _thread or _multiprocessing wasn't built.
support.import_module('_thread')
support.import_module('_multiprocess')
import importlib
import importlib.machinery
import unittest
import sys
import os
import os.path
import py_compile
from test.support.script_helper import (make_pkg, make_script, make_zip_pkg,
make_zip_script, assert_python_ok)
if support.PGO:
raise unittest.SkipTest("test is not helpful for PGO")
# Look up which start methods are available to test
import multiprocess as multiprocessing
AVAILABLE_START_METHODS = set(multiprocessing.get_all_start_methods())
# Issue #22332: Skip tests if sem_open implementation is broken.
support.import_module('multiprocess.synchronize')
verbose = support.verbose
test_source = """\
# multiprocessing includes all sorts of shenanigans to make __main__
from test import support
syslog = support.import_module("syslog") # skip if not supported
import unittest
# XXX(nnorwitz): This test sucks. I don't know of a platform independent way
# to verify that the messages were really logged.
# The only purpose of this test is to verify the code doesn't crash or leak.
class Test(unittest.TestCase):
def test_openlog(self):
syslog.openlog("python")
# Issue #6697.
self.assertRaises(UnicodeEncodeError, syslog.openlog, "\uD800")
def test_syslog(self):
syslog.openlog("python")
syslog.syslog("test message from python test_syslog")
syslog.syslog(syslog.LOG_ERR, "test error from python test_syslog")
def test_closelog(self):
syslog.openlog("python")
syslog.closelog()
def test_setlogmask(self):
syslog.setlogmask(syslog.LOG_DEBUG)
def test_log_mask(self):
syslog.LOG_MASK(syslog.LOG_INFO)
import inspect
import types
import unittest
from test.support import import_module
asyncio = import_module("asyncio")
class AwaitException(Exception):
pass
@types.coroutine
def awaitable(*, throw=False):
if throw:
yield ('throw',)
else:
yield ('result',)
def run_until_complete(coro):
exc = False
while True:
try:
if exc:
exc = False
fut = coro.throw(AwaitException)
else:
fut = coro.send(None)
except StopIteration as ex:
return ex.args[0]
import sys
import unittest
from test import support
pwd = support.import_module('pwd')
class PwdTest(unittest.TestCase):
def test_values(self):
entries = pwd.getpwall()
for e in entries:
self.assertEqual(len(e), 7)
self.assertEqual(e[0], e.pw_name)
self.assertIsInstance(e.pw_name, str)
self.assertEqual(e[1], e.pw_passwd)
self.assertIsInstance(e.pw_passwd, str)
self.assertEqual(e[2], e.pw_uid)
self.assertIsInstance(e.pw_uid, int)
self.assertEqual(e[3], e.pw_gid)
self.assertIsInstance(e.pw_gid, int)
self.assertEqual(e[4], e.pw_gecos)
self.assertIsInstance(e.pw_gecos, str)
self.assertEqual(e[5], e.pw_dir)
self.assertIsInstance(e.pw_dir, str)
self.assertEqual(e[6], e.pw_shell)
self.assertIsInstance(e.pw_shell, str)
# The following won't work, because of duplicate entries
# for one uid
# self.assertEqual(pwd.getpwuid(e.pw_uid), e)
SimpleHTTPRequestHandler, CGIHTTPRequestHandler
from http import server
import os
import sys
import re
import base64
import shutil
import urllib.parse
import http.client
import tempfile
from io import BytesIO
import unittest
from test import support
threading = support.import_module('threading')
class NoLogRequestHandler:
def log_message(self, *args):
# don't write log messages to stderr
pass
def read(self, n=None):
return ''
class TestServerThread(threading.Thread):
def __init__(self, test_object, request_handler):
threading.Thread.__init__(self)
self.request_handler = request_handler
import unittest
from test import support
import binascii
import pickle
import random
import sys
from test.support import bigmemtest, _1G, _4G
zlib = support.import_module('zlib')
requires_Compress_copy = unittest.skipUnless(
hasattr(zlib.compressobj(), 'copy'), 'requires Compress.copy()')
requires_Decompress_copy = unittest.skipUnless(
hasattr(zlib.decompressobj(), 'copy'), 'requires Decompress.copy()')
class VersionTestCase(unittest.TestCase):
def test_library_version(self):
self.assertEqual(zlib.ZLIB_RUNTIME_VERSION[0], zlib.ZLIB_VERSION[0])
class ChecksumTestCase(unittest.TestCase):
def test_crc32start(self):
self.assertEqual(zlib.crc32(b''), zlib.crc32(b'', 0))
self.assertTrue(zlib.crc32(b'abc', 4294967295))
def test_crc32empty(self):
self.assertEqual(zlib.crc32(b'', 0), 0)
self.assertEqual(zlib.crc32(b'', 1), 1)
self.assertEqual(zlib.crc32(b'', 432), 432)
def test_adler32start(self):
self.assertEqual(zlib.adler32(b''), zlib.adler32(b'', 1))
# test asynchat
from test import support
# If this fails, the test will be skipped.
thread = support.import_module('_thread')
import asynchat
import asyncore
import errno
import socket
import sys
import time
import unittest
import warnings
import unittest.mock
try:
import threading
except ImportError:
threading = None
HOST = support.HOST
SERVER_QUIT = b'QUIT\n'
TIMEOUT = 3.0
if threading:
class echo_server(threading.Thread):
# parameter to determine the number of bytes passed back to the
# client each send
chunk_size = 1
import unittest
from test.support import import_module
# Skip test_idle if _tkinter wasn't built, if tkinter is missing,
# if tcl/tk is not the 8.5+ needed for ttk widgets,
# or if idlelib is missing (not installed).
tk = import_module('tkinter') # Also imports _tkinter.
if tk.TkVersion < 8.5:
raise unittest.SkipTest("IDLE requires tk 8.5 or later.")
idlelib = import_module('idlelib')
# Before importing and executing more of idlelib,
# tell IDLE to avoid changing the environment.
idlelib.testing = True
# Unittest.main and test.libregrtest.runtest.runtest_inner
# call load_tests, when present here, to discover tests to run.
from idlelib.idle_test import load_tests
if __name__ == '__main__':
tk.NoDefaultRoot()
unittest.main(exit=False)
tk._support_default_root = 1
tk._default_root = None
# tests __main__ module handling in multiprocessing
from test import support
# Skip tests if _thread or _multiprocessing wasn't built.
support.import_module('_thread')
support.import_module('_multiprocessing')
import importlib
import importlib.machinery
import zipimport
import unittest
import sys
import os
import os.path
import py_compile
from test.script_helper import (
make_pkg, make_script, make_zip_pkg, make_zip_script,
assert_python_ok, assert_python_failure, temp_dir,
spawn_python, kill_python)
# Look up which start methods are available to test
import multiprocessing
AVAILABLE_START_METHODS = set(multiprocessing.get_all_start_methods())
verbose = support.verbose
test_source = """\
# multiprocessing includes all sorts of shenanigans to make __main__
# attributes accessible in the subprocess in a pickle compatible way.
# We run the "doesn't work in the interactive interpreter" example from
""" Test suite for the code in msilib """
import os.path
import unittest
from test.support import TESTFN, import_module, unlink
msilib = import_module('msilib')
import msilib.schema
def init_database():
path = TESTFN + '.msi'
db = msilib.init_database(
path,
msilib.schema,
'Python Tests',
'product_code',
'1.0',
'PSF',
)
return db, path
class MsiDatabaseTestCase(unittest.TestCase):
def test_view_fetch_returns_none(self):
db, db_path = init_database()
properties = []
view = db.OpenView('SELECT Property, Value FROM Property')
view.Execute(None)
while True:
record = view.Fetch()
if record is None:
break
# Test the windows specific win32reg module.
# Only win32reg functions not hit here: FlushKey, LoadKey and SaveKey
import os, sys, errno
import unittest
from test import support
threading = support.import_module("threading")
from platform import machine
# Do this first so test will be skipped if module doesn't exist
support.import_module('winreg', required_on=['win'])
# Now import everything
from winreg import *
try:
REMOTE_NAME = sys.argv[sys.argv.index("--remote") + 1]
except (IndexError, ValueError):
REMOTE_NAME = None
# tuple of (major, minor)
WIN_VER = sys.getwindowsversion()[:2]
# Some tests should only run on 64-bit architectures where WOW64 will be.
WIN64_MACHINE = True if machine() == "AMD64" else False
# Starting with Windows 7 and Windows Server 2008 R2, WOW64 no longer uses
# registry reflection and formerly reflected keys are shared instead.
# Windows 7 and Windows Server 2008 R2 are version 6.1. Due to this, some
# tests are only valid up until 6.1
HAS_REFLECTION = True if WIN_VER < (6, 1) else False
# Use a per-process key to prevent concurrent test runs (buildbot!) from
from test import support
# Skip tests if _multiprocessing wasn't built.
support.import_module('_multiprocessing')
# Skip tests if sem_open implementation is broken.
support.import_module('multiprocessing.synchronize')
from test.support.script_helper import assert_python_ok
import contextlib
import itertools
import logging
from logging.handlers import QueueHandler
import os
import queue
import sys
import threading
import time
import unittest
import weakref
from pickle import PicklingError
from concurrent import futures
from concurrent.futures._base import (PENDING, RUNNING, CANCELLED,
CANCELLED_AND_NOTIFIED, FINISHED, Future,
BrokenExecutor)
from concurrent.futures.process import BrokenProcessPool
from multiprocessing import get_context
import multiprocessing.process
import multiprocessing.util
import threading
import time
import unittest
import weakref
import importlib.machinery
import importlib.util
from test import support
from test.support import MISSING_C_DOCSTRINGS
from test.support.script_helper import assert_python_failure, assert_python_ok
try:
import _posixsubprocess
except ImportError:
_posixsubprocess = None
# Skip this test if the _testcapi module isn't available.
_testcapi = support.import_module('_testcapi')
import _testinternalcapi
# Were we compiled --with-pydebug or with #define Py_DEBUG?
Py_DEBUG = hasattr(sys, 'gettotalrefcount')
def testfunction(self):
"""some doc"""
return self
class InstanceMethod:
id = _testcapi.instancemethod(id)
testfunction = _testcapi.instancemethod(testfunction)
import contextlib
import os
import pickle
from textwrap import dedent, indent
import threading
import time
import unittest
from test import support
from test.support import script_helper
interpreters = support.import_module('_xxsubinterpreters')
def _captured_script(script):
r, w = os.pipe()
indented = script.replace('\n', '\n ')
wrapped = dedent(f"""
import contextlib
with open({w}, 'w') as chan:
with contextlib.redirect_stdout(chan):
{indented}
""")
return wrapped, open(r)
def _run_output(interp, request, shared=None):
script, chan = _captured_script(request)
with chan:
interpreters.run_string(interp, script, shared)
return chan.read()
import unittest
from test.support import import_module
# For 3.6, skip test_idle if threads are not supported.
import_module('threading') # Imported by PyShell, imports _thread.
# Skip test_idle if _tkinter wasn't built, if tkinter is missing,
# if tcl/tk is not the 8.5+ needed for ttk widgets,
# or if idlelib is missing (not installed).
tk = import_module('tkinter') # imports _tkinter
if tk.TkVersion < 8.5:
raise unittest.SkipTest("IDLE requires tk 8.5 or later.")
idlelib = import_module('idlelib')
# Before importing and executing more of idlelib,
# tell IDLE to avoid changing the environment.
idlelib.testing = True
# Unittest.main and test.libregrtest.runtest.runtest_inner
# call load_tests, when present here, to discover tests to run.
from idlelib.idle_test import load_tests
if __name__ == '__main__':
tk.NoDefaultRoot()
unittest.main(exit=False)
tk._support_default_root = 1
tk._default_root = None
""" Test suite for the code in msilib """
import unittest
import os
from test.support import run_unittest, import_module
msilib = import_module('msilib')
class Test_make_id(unittest.TestCase):
#http://msdn.microsoft.com/en-us/library/aa369212(v=vs.85).aspx
"""The Identifier data type is a text string. Identifiers may contain the
ASCII characters A-Z (a-z), digits, underscores (_), or periods (.).
However, every identifier must begin with either a letter or an
underscore.
"""
def test_is_no_change_required(self):
self.assertEqual(
msilib.make_id("short"), "short")
self.assertEqual(
msilib.make_id("nochangerequired"), "nochangerequired")
self.assertEqual(
msilib.make_id("one.dot"), "one.dot")
self.assertEqual(
msilib.make_id("_"), "_")
self.assertEqual(
msilib.make_id("a"), "a")
#self.assertEqual(
# msilib.make_id(""), "")
def test_invalid_first_char(self):
self.assertEqual(
msilib.make_id("9.short"), "_9.short")
def test_PyThreadState_SetAsyncExc(self):
ctypes = import_module("ctypes")
set_async_exc = ctypes.pythonapi.PyThreadState_SetAsyncExc
class AsyncExc(Exception):
pass
exception = ctypes.py_object(AsyncExc)
# First check it works when setting the exception from the same thread.
tid = threading.get_ident()
try:
result = set_async_exc(ctypes.c_long(tid), exception)
# The exception is async, so we might have to keep the VM busy until
# it notices.
while True:
pass
except AsyncExc:
pass
else:
# This code is unreachable but it reflects the intent. If we wanted
# to be smarter the above loop wouldn't be infinite.
self.fail("AsyncExc not raised")
try:
self.assertEqual(result, 1) # one thread state modified
except UnboundLocalError:
# The exception was raised too quickly for us to get the result.
pass
# `worker_started` is set by the thread when it's inside a try/except
# block waiting to catch the asynchronously set AsyncExc exception.
# `worker_saw_exception` is set by the thread upon catching that
# exception.
worker_started = threading.Event()
worker_saw_exception = threading.Event()
class Worker(threading.Thread):
def run(self):
self.id = threading.get_ident()
self.finished = False
try:
while True:
worker_started.set()
time.sleep(0.1)
except AsyncExc:
self.finished = True
worker_saw_exception.set()
t = Worker()
t.daemon = True # so if this fails, we don't hang Python at shutdown
t.start()
if verbose:
print(" started worker thread")
# Try a thread id that doesn't make sense.
if verbose:
print(" trying nonsensical thread id")
result = set_async_exc(ctypes.c_long(-1), exception)
self.assertEqual(result, 0) # no thread states modified
# Now raise an exception in the worker thread.
if verbose:
print(" waiting for worker thread to get started")
ret = worker_started.wait()
self.assertTrue(ret)
if verbose:
print(" verifying worker hasn't exited")
self.assertTrue(not t.finished)
if verbose:
print(" attempting to raise asynch exception in worker")
result = set_async_exc(ctypes.c_long(t.id), exception)
self.assertEqual(result, 1) # one thread state modified
if verbose:
print(" waiting for worker to say it caught the exception")
worker_saw_exception.wait(timeout=10)
self.assertTrue(t.finished)
if verbose:
print(" all OK -- joining worker")
if t.finished:
t.join()
"""Test program for the fcntl C module.
OS/2+EMX doesn't support the file locking operations.
"""
import os
import struct
import sys
import unittest
from test.support import verbose, TESTFN, unlink, run_unittest, import_module
# Skip test if no fnctl module.
fcntl = import_module('fcntl')
# TODO - Write tests for flock() and lockf().
def get_lockdata():
try:
os.O_LARGEFILE
except AttributeError:
start_len = "ll"
else:
start_len = "qq"
if sys.platform in ('netbsd1', 'netbsd2', 'netbsd3',
'Darwin1.2', 'darwin',
'freebsd2', 'freebsd3', 'freebsd4', 'freebsd5',
'freebsd6', 'freebsd7', 'freebsd8',
'bsdos2', 'bsdos3', 'bsdos4',
'openbsd', 'openbsd2', 'openbsd3', 'openbsd4'):
import os
import unittest
from test import support
spwd = support.import_module('spwd')
@unittest.skipUnless(
hasattr(os, 'geteuid') and os.geteuid() == 0, 'root privileges required')
class TestSpwdRoot(unittest.TestCase):
def test_getspall(self):
entries = spwd.getspall()
self.assertIsInstance(entries, list)
for entry in entries:
self.assertIsInstance(entry, spwd.struct_spwd)
def test_getspnam(self):
entries = spwd.getspall()
if not entries:
self.skipTest('empty shadow password database')
random_name = entries[0].sp_namp
entry = spwd.getspnam(random_name)
self.assertIsInstance(entry, spwd.struct_spwd)
self.assertEqual(entry.sp_namp, random_name)
self.assertEqual(entry.sp_namp, entry[0])
self.assertEqual(entry.sp_namp, entry.sp_nam)
self.assertIsInstance(entry.sp_pwdp, str)
self.assertEqual(entry.sp_pwdp, entry[1])
self.assertEqual(entry.sp_pwdp, entry.sp_pwd)
self.assertIsInstance(entry.sp_lstchg, int)
self.assertEqual(entry.sp_lstchg, entry[2])
import unittest
from test import support
import binascii
import pickle
import random
import sys
from test.support import bigmemtest, _1G, _4G
zlib = support.import_module('zlib')
requires_Compress_copy = unittest.skipUnless(
hasattr(zlib.compressobj(), "copy"),
'requires Compress.copy()')
requires_Decompress_copy = unittest.skipUnless(
hasattr(zlib.decompressobj(), "copy"),
'requires Decompress.copy()')
class VersionTestCase(unittest.TestCase):
def test_library_version(self):
# Test that the major version of the actual library in use matches the
# major version that we were compiled against. We can't guarantee that
# the minor versions will match (even on the machine on which the module
# was compiled), and the API is stable between minor versions, so
# testing only the major versions avoids spurious failures.
self.assertEqual(zlib.ZLIB_RUNTIME_VERSION[0], zlib.ZLIB_VERSION[0])
class ChecksumTestCase(unittest.TestCase):
# checksum test cases
# Demo/threads/bug.py. It simply provokes a number of threads into
# trying to import the same module "at the same time".
# There are no pleasant failure modes -- most likely is that Python
# complains several times about module random having no attribute
# randrange, and then Python hangs.
import _imp as imp
import os
import importlib
import sys
import time
import shutil
import unittest
from test.support import (
verbose, import_module, run_unittest, TESTFN, reap_threads, forget, unlink)
threading = import_module('threading')
def task(N, done, done_tasks, errors):
try:
# We don't use modulefinder but still import it in order to stress
# importing of different modules from several threads.
if len(done_tasks) % 2:
import modulefinder
import random
else:
import random
import modulefinder
# This will fail if random is not completely initialized
x = random.randrange(1, 3)
except Exception as e:
errors.append(e.with_traceback(None))
import unittest
from doctest import DocTestSuite
from test import support
import weakref
import gc
# Modules under test
_thread = support.import_module('_thread')
threading = support.import_module('threading')
import _threading_local
class Weak(object):
pass
def target(local, weaklist):
weak = Weak()
local.weak = weak
weaklist.append(weakref.ref(weak))
class BaseLocalTest:
def test_local_refs(self):
self._local_refs(20)
self._local_refs(50)
self._local_refs(100)
def _local_refs(self, n):
local = self._local()
weaklist = []
"Test posix functions"
from test import support
# Skip these tests if there is no posix module.
posix = support.import_module('posix')
import errno
import sys
import time
import os
import fcntl
import platform
import pwd
import shutil
import stat
import tempfile
import unittest
import warnings
import _testcapi
_DUMMY_SYMLINK = os.path.join(tempfile.gettempdir(),
support.TESTFN + '-dummy-symlink')
class PosixTester(unittest.TestCase):
def setUp(self):
# create empty file
fp = open(support.TESTFN, 'w+')
fp.close()
self.teardown_files = [ support.TESTFN ]
"""
Tests for the threading module.
"""
import test.support
from test.support import verbose, strip_python_stderr, import_module
from test.script_helper import assert_python_ok
import random
import re
import sys
_thread = import_module("_thread")
threading = import_module("threading")
import time
import unittest
import weakref
import os
from test.script_helper import assert_python_ok, assert_python_failure
import subprocess
try:
import _testcapi
except ImportError:
_testcapi = None
from test import lock_tests
# A trivial mutable counter.
class Counter(object):
def __init__(self):
# xml.etree test for cElementTree
from test import support
from test.support import precisionbigmemtest, _2G
import unittest
cET = support.import_module('xml.etree.cElementTree')
# cElementTree specific tests
def sanity():
r"""
Import sanity.
>>> from xml.etree import cElementTree
Issue #6697.
>>> e = cElementTree.Element('a')
>>> getattr(e, '\uD800') # doctest: +ELLIPSIS
Traceback (most recent call last):
...
UnicodeEncodeError: ...
>>> p = cElementTree.XMLParser()
>>> p.version.split()[0]
'Expat'
>>> getattr(p, '\uD800')
Traceback (most recent call last):
...
import unittest
import sys
import os
import _testcapi
from test import support
# Skip this test if the _tkinter module wasn't built.
_tkinter = support.import_module('_tkinter')
# Make sure tkinter._fix runs to set up the environment
support.import_fresh_module('tkinter')
from tkinter import Tcl
from _tkinter import TclError
tcl_version = _tkinter.TCL_VERSION.split('.')
try:
for i in range(len(tcl_version)):
tcl_version[i] = int(tcl_version[i])
except ValueError:
pass
tcl_version = tuple(tcl_version)
class TkinterTest(unittest.TestCase):
def testFlattenLen(self):
# flatten(<object with no length>)
self.assertRaises(TypeError, _tkinter._flatten, True)
class TclTest(unittest.TestCase):
# Only called, not tested: getmouse(), ungetmouse()
#
import sys, tempfile, os
# Optionally test curses module. This currently requires that the
# 'curses' resource be given on the regrtest command line using the -u
# option. If not available, nothing after this line will be executed.
import unittest
from test.support import requires, import_module
requires('curses')
# If either of these don't exist, skip the tests.
curses = import_module('curses')
curses.panel = import_module('curses.panel')
# XXX: if newterm was supported we could use it instead of initscr and not exit
term = os.environ.get('TERM')
if not term or term == 'unknown':
raise unittest.SkipTest("$TERM=%r, calling initscr() may cause exit" %
term)
if sys.platform == "cygwin":
raise unittest.SkipTest("cygwin's curses mostly just hangs")
def window_funcs(stdscr):
"Test the methods of windows"
win = curses.newwin(10, 10)
# test asynchat
from test import support
# If this fails, the test will be skipped.
thread = support.import_module('_thread')
import asyncore, asynchat, socket, time
import unittest
import sys
import warnings
try:
import threading
except ImportError:
threading = None
HOST = support.HOST
SERVER_QUIT = b'QUIT\n'
TIMEOUT = 3.0
if threading:
class echo_server(threading.Thread):
# parameter to determine the number of bytes passed back to the
# client each send
chunk_size = 1
def __init__(self, event):
threading.Thread.__init__(self)
self.event = event
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.port = support.bind_port(self.sock)
from test.support import verbose, import_module, reap_children
# Skip these tests if termios is not available
import_module('termios')
import errno
import pty
import os
import sys
import select
import signal
import socket
import io # readline
import unittest
TEST_STRING_1 = b"I wish to buy a fish license.\n"
TEST_STRING_2 = b"For my pet fish, Eric.\n"
if verbose:
def debug(msg):
print(msg)
else:
def debug(msg):
pass
# Note that os.read() is nondeterministic so we need to be very careful
# to make the test suite deterministic. A normal call to os.read() may
# give us less than expected.