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(readrc=False).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_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_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))
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_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 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 run_pty(script, input=b"dummy input\r"):
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)
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 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)
from sql_mode.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 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
def normalize_output(data):
# Some operating systems do conversions on newline. We could possibly
# fix that by doing the appropriate termios.tcsetattr()s. I couldn't
# figure out the right combo on Tru64 and I don't have an IRIX box.
import glob
import pathlib
import random
import shutil
import subprocess
import sys
from sql_mode.support import unlink
import _compression
try:
import threading
except ImportError:
threading = None
# 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)
import unittest
from sql_mode.support import import_module
ctypes_test = import_module('ctypes.test')
load_tests = ctypes_test.load_tests
if __name__ == "__main__":
unittest.main()
import unittest
import re
import subprocess
import sys
import os
from sql_mode import support
# Skip this test if the _tkinter module wasn't built.
_tkinter = support.import_module('_tkinter')
import tkinter
from tkinter import Tcl
from _tkinter import TclError
try:
from _testcapi import INT_MAX, PY_SSIZE_T_MAX
except ImportError:
INT_MAX = PY_SSIZE_T_MAX = sys.maxsize
tcl_version = tuple(map(int, _tkinter.TCL_VERSION.split('.')))
_tk_patchlevel = None
def get_tk_patchlevel():
global _tk_patchlevel
if _tk_patchlevel is None:
tcl = Tcl()
patchlevel = tcl.call('info', 'patchlevel')
m = re.fullmatch(r'(\d+)\.(\d+)([ab.])(\d+)', patchlevel)
major, minor, releaselevel, serial = m.groups()
import os
import unittest
from sql_mode 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])
from xmlrpc.server import DocXMLRPCServer
import http.client
import sys
from sql_mode import support
threading = support.import_module('threading')
import unittest
def make_request_and_skipIf(condition, reason):
# If we skip the test, we have to make a request because
# the server created in setUp blocks expecting one to come in.
if not condition:
return lambda func: func
def decorator(func):
def make_request_and_skip(self):
self.client.request("GET", "/")
self.client.getresponse()
raise unittest.SkipTest(reason)
return make_request_and_skip
return decorator
def make_server():
serv = DocXMLRPCServer(("localhost", 0), logRequests=False)
try:
# Add some documentation
serv.set_server_title("DocXMLRPCServer Test Documentation")
import unittest
from sql_mode.support import import_module
# Skip test if _thread or _tkinter wasn't built, if idlelib is missing,
# or if tcl/tk is not the 8.5+ needed for ttk widgets.
import_module('threading') # imported by PyShell, imports _thread
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 test imports, tell IDLE to avoid changing the environment.
idlelib.testing = True
# unittest.main and test.libregrtest.runtest.runtest_inner
# call load_tests, when present, 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
import os
import sys
import ssl
import pprint
import socket
import urllib.parse
# Rename HTTPServer to _HTTPServer so as to avoid confusion with HTTPSServer.
from http.server import (HTTPServer as _HTTPServer, SimpleHTTPRequestHandler,
BaseHTTPRequestHandler)
from sql_mode import support
threading = support.import_module("threading")
here = os.path.dirname(__file__)
HOST = support.HOST
CERTFILE = os.path.join(here, 'keycert.pem')
# This one's based on HTTPServer, which is based on socketserver
class HTTPSServer(_HTTPServer):
def __init__(self, server_address, handler_class, context):
_HTTPServer.__init__(self, server_address, handler_class)
self.context = context
def __str__(self):
return ('<%s %s:%s>' %
(self.__class__.__name__, self.server_name, self.server_port))
def get_request(self):
"""
Test implementation of the PEP 509: dictionary versionning.
"""
import unittest
from sql_mode import support
# PEP 509 is implemented in CPython but other Python implementations
# don't require to implement it
_testcapi = support.import_module('_testcapi')
class DictVersionTests(unittest.TestCase):
type2test = dict
def setUp(self):
self.seen_versions = set()
self.dict = None
def check_version_unique(self, mydict):
version = _testcapi.dict_get_version(mydict)
self.assertNotIn(version, self.seen_versions)
self.seen_versions.add(version)
def check_version_changed(self, mydict, method, *args, **kw):
result = method(*args, **kw)
self.check_version_unique(mydict)
return result
def check_version_dont_change(self, mydict, method, *args, **kw):
version1 = _testcapi.dict_get_version(mydict)
self.seen_versions.add(version1)
""" Test suite for the code in msilib """
import unittest
from sql_mode.support import 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")
self.assertEqual(msilib.make_id(".short"), "_.short")
def test_invalid_any_char(self):
self.assertEqual(msilib.make_id(".s\x82ort"), "_.s_ort")
self.assertEqual(msilib.make_id(".s\x82o?*+rt"), "_.s_o___rt")
"""Test script for the gzip module.
"""
import unittest
from sql_mode import support
from sql_mode.support import bigmemtest, _4G
import os
import pathlib
import io
import struct
import array
gzip = support.import_module('gzip')
data1 = b""" int length=DEFAULTALLOC, err = Z_OK;
PyObject *RetVal;
int flushmode = Z_FINISH;
unsigned long start_total_out;
"""
data2 = b"""/* zlibmodule.c -- gzip-compatible data compression */
/* See http://www.gzip.org/zlib/
/* See http://www.winimage.com/zLibDll for Windows */
"""
class UnseekableIO(io.BytesIO):
def seekable(self):
return False
def tell(self):
"""Test script for poplib module."""
# 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 errno
from unittest import TestCase, skipUnless
from sql_mode import support as test_support
threading = test_support.import_module('threading')
HOST = test_support.HOST
PORT = 0
SUPPORTS_SSL = False
if hasattr(poplib, 'POP3_SSL'):
import ssl
SUPPORTS_SSL = True
CERTFILE = os.path.join(
os.path.dirname(__file__) or os.curdir, "keycert3.pem")
CAFILE = os.path.join(
os.path.dirname(__file__) or os.curdir, "pycacert.pem")
requires_ssl = skipUnless(SUPPORTS_SSL, 'SSL not supported')
from . import util as test_util
machinery = test_util.import_importlib('importlib.machinery')
import os
import re
import sys
import unittest
from sql_mode import support
from distutils.util import get_platform
from contextlib import contextmanager
from .util import temp_module
support.import_module('winreg', required_on=['win'])
from winreg import (CreateKey, HKEY_CURRENT_USER, SetValue, REG_SZ,
KEY_ALL_ACCESS, EnumKey, CloseKey, DeleteKey, OpenKey)
def delete_registry_tree(root, subkey):
try:
hkey = OpenKey(root, subkey, access=KEY_ALL_ACCESS)
except OSError:
# subkey does not exist
return
while True:
try:
subsubkey = EnumKey(hkey, 0)
except OSError:
# no more subkeys
break
delete_registry_tree(hkey, subsubkey)
CloseKey(hkey)
from sql_mode 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)
+ Something we've never seen before.
By default, NUM_THREADS == 20 and FILES_PER_THREAD == 50. This is enough to
create about 150 failures per run under Win98SE in 2.0, and runs pretty
quickly. Guido reports needing to boost FILES_PER_THREAD to 500 before
provoking a 2.0 failure under Linux.
"""
NUM_THREADS = 20
FILES_PER_THREAD = 50
import tempfile
from sql_mode.support import start_threads, import_module
threading = import_module('threading')
import unittest
import io
from traceback import print_exc
startEvent = threading.Event()
class TempFileGreedy(threading.Thread):
error_count = 0
ok_count = 0
def run(self):
self.errors = io.StringIO()
startEvent.wait()
for i in range(FILES_PER_THREAD):
import array
import unittest
from sql_mode.support import 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", "rb")
except OSError:
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
from sql_mode import support
gdbm = support.import_module("dbm.gnu") #skip if not supported
import unittest
import os
from sql_mode.support import 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('a', self.g)
self.assertIn(b'a', self.g)
self.assertEqual(self.g[b'bytes'], b'data')
key = self.g.firstkey()
while key:
from sql_mode import support
support.requires('audio')
from sql_mode.support import findfile
ossaudiodev = support.import_module('ossaudiodev')
import errno
import sys
import sunau
import time
import audioop
import unittest
# Arggh, AFMT_S16_NE not defined on all platforms -- seems to be a
# fairly recent addition to OSS.
try:
from ossaudiodev import AFMT_S16_NE
except ImportError:
if sys.byteorder == "little":
AFMT_S16_NE = ossaudiodev.AFMT_S16_LE
else:
AFMT_S16_NE = ossaudiodev.AFMT_S16_BE
def read_sound_file(path):
with open(path, 'rb') as fp:
au = sunau.open(fp)
rate = au.getframerate()
nchannels = au.getnchannels()
import dis
from sql_mode.support import import_module
import unittest
_opcode = import_module("_opcode")
class OpcodeTests(unittest.TestCase):
def test_stack_effect(self):
self.assertEqual(_opcode.stack_effect(dis.opmap['POP_TOP']), -1)
self.assertEqual(_opcode.stack_effect(dis.opmap['DUP_TOP_TWO']), 2)
self.assertEqual(_opcode.stack_effect(dis.opmap['BUILD_SLICE'], 0), -1)
self.assertEqual(_opcode.stack_effect(dis.opmap['BUILD_SLICE'], 1), -1)
self.assertEqual(_opcode.stack_effect(dis.opmap['BUILD_SLICE'], 3), -2)
self.assertRaises(ValueError, _opcode.stack_effect, 30000)
self.assertRaises(ValueError, _opcode.stack_effect,
dis.opmap['BUILD_SLICE'])
self.assertRaises(ValueError, _opcode.stack_effect,
dis.opmap['POP_TOP'], 0)
if __name__ == "__main__":
unittest.main()
from sql_mode import support
import unittest
crypt = support.import_module('crypt')
class CryptTestCase(unittest.TestCase):
def test_crypt(self):
c = crypt.crypt('mypassword', 'ab')
if support.verbose:
print('Test encryption: ', c)
def test_salt(self):
self.assertEqual(len(crypt._saltchars), 64)
for method in crypt.methods:
salt = crypt.mksalt(method)
self.assertEqual(len(salt),
method.salt_chars + (3 if method.ident else 0))
def test_saltedcrypt(self):
for method in crypt.methods:
pw = crypt.crypt('assword', method)
self.assertEqual(len(pw), method.total_size)
pw = crypt.crypt('assword', crypt.mksalt(method))
self.assertEqual(len(pw), method.total_size)
def test_methods(self):
# Guarantee that METHOD_CRYPT is the last method in crypt.methods.
self.assertTrue(len(crypt.methods) >= 1)
self.assertEqual(crypt.METHOD_CRYPT, crypt.methods[-1])
"""Test script for the grp module."""
import unittest
from sql_mode import support
grp = support.import_module('grp')
class GroupDatabaseTestCase(unittest.TestCase):
def check_value(self, value):
# check that a grp tuple has the entries and
# attributes promised by the docs
self.assertEqual(len(value), 4)
self.assertEqual(value[0], value.gr_name)
self.assertIsInstance(value.gr_name, str)
self.assertEqual(value[1], value.gr_passwd)
self.assertIsInstance(value.gr_passwd, str)
self.assertEqual(value[2], value.gr_gid)
self.assertIsInstance(value.gr_gid, int)
self.assertEqual(value[3], value.gr_mem)
self.assertIsInstance(value.gr_mem, list)
def test_values(self):
entries = grp.getgrall()
for e in entries:
self.check_value(e)
def test_values_extended(self):
entries = grp.getgrall()
if len(entries) > 1000: # Huge group file (NIS?) -- skip the rest
"Test InteractiveConsole and InteractiveInterpreter from code module"
import sys
import unittest
from textwrap import dedent
from contextlib import ExitStack
from unittest import mock
from sql_mode import support
code = support.import_module('code')
class TestInteractiveConsole(unittest.TestCase):
def setUp(self):
self.console = code.InteractiveConsole()
self.mock_sys()
def mock_sys(self):
"Mock system environment for InteractiveConsole"
# use exit stack to match patch context managers to addCleanup
stack = ExitStack()
self.addCleanup(stack.close)
self.infunc = stack.enter_context(mock.patch('code.input',
create=True))
self.stdout = stack.enter_context(mock.patch('code.sys.stdout'))
self.stderr = stack.enter_context(mock.patch('code.sys.stderr'))
prepatch = mock.patch('code.sys', wraps=code.sys, spec=code.sys)
self.sysmod = stack.enter_context(prepatch)
if sys.excepthook is sys.__excepthook__:
self.sysmod.excepthook = self.sysmod.__excepthook__
import unittest
from sql_mode import support
import binascii
import pickle
import random
import sys
from sql_mode.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
def test_crc32start(self):
self.assertEqual(zlib.crc32(b""), zlib.crc32(b"", 0))
self.assertTrue(zlib.crc32(b"abc", 0xffffffff))