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#!/usr/bin/python
# zephyr test suite
#
# Operates on libraries in the build tree. To test purely internal
# interfaces, stuff them in a testing library...
"""Test Suite for libzephyr"""
import optparse
import os
import socket
import ctypes
import ctypes.util
import time
from ctypes import c_int, c_char, POINTER, c_char_p, sizeof
from zephyr_ctypes import *
__revision__ = "$Id: d8a0aca27e6979c9ea682fe654628b557a72c398 $"
try:
__version__ = "%s/%s" % (__revision__.split()[3], __revision__.split()[2])
except IndexError:
__version__ = "unknown"
# TODO: pick some real framework later, we're just poking around for now
class TestSuite(object):
"""test collection and runner"""
def __init__(self, **kwargs):
for k, v in kwargs.items():
setattr(self, k, v)
def run(self):
tests = sorted([testname for testname in dir(self)
if testname.startswith("test_")])
failures = []
for test in tests:
try:
print "===", "starting", test, "==="
getattr(self, test)()
print "===", "done", test, "==="
except TestFailure, tf:
print "===", "FAILED", test, "==="
failures.append([test, tf])
return failures
class TestFailure(Exception):
pass
def py_make_ascii(input):
"""reference ZMakeAscii expressed as python..."""
hexes = ["%02X" % ord(ch) for ch in input]
output = []
for i in range(0, len(hexes), 4):
output.append("0x" + "".join(hexes[i:i+4]))
return " ".join(output)
def py_make_zcode(input):
"""reference ZMakeZcode expressed as python..."""
return "Z" + input.replace("\xff", "\xff\xf1").replace("\0", "\xff\xf0")
def find_libzephyr(builddir='.'):
# find the library
libzephyr_paths = ['libzephyr.so', 'libzephyr.dylib']
libzephyr_paths += [os.path.join('.libs', i) for i in libzephyr_paths]
libzephyr_paths = [os.path.join(builddir, i) for i in libzephyr_paths]
libzephyr_paths = [i for i in libzephyr_paths if os.path.exists(i)]
return libzephyr_paths[0]
class ZephyrTestSuite(TestSuite):
"""Tests for libzephyr"""
def setup(self):
self._libzephyr = libZephyr(find_libzephyr(self.builddir))
def cleanup(self):
# no cleanup needed yet
pass
def test_zinit(self):
"""test that ZInitialize did something"""
print "fd", self._libzephyr.ZGetFD()
realm = self._libzephyr.ZGetRealm()
print "realm", realm
if not realm:
raise TestFailure("empty realm %s" % realm)
if self._libzephyr.Zauthtype and realm == 'local-realm':
raise TestFailure("useless realm %s" % realm)
if self._libzephyr.Zauthtype == 0 and realm != 'local-realm':
raise TestFailure("wrong realm %s (should be local-realm)" % realm)
print self._libzephyr.ZGetSender()
def test_notices(self):
"""test notice construct/destruct"""
notice = ZNotice_t()
print "sizeof ZNotice_t", sizeof(notice)
zbuf = c_char_p(0)
zbuflen = c_int(0)
st = self._libzephyr.ZFormatNotice(notice, zbuf, zbuflen, ZNOAUTH)
print "ZFormatNotice:", "retval", st
print "\tzbuflen", zbuflen
print "\tzbuf", repr(zbuf.value)
new_notice = ZNotice_t()
st = self._libzephyr.ZParseNotice(zbuf, zbuflen, new_notice)
print "ZParseNotice:", "retval", st
print "\tz_version", new_notice.z_version
ctypes_pprint(new_notice)
def test_z_compare_uid(self):
"""test ZCompareUID"""
uid1 = ZUnique_Id_t()
uid2 = ZUnique_Id_t()
assert self._libzephyr.ZCompareUID(uid1, uid2), "null uids don't match"
# there's no ZUnique_Id_t constructor - Z_FormatHeader and Z_NewFormatHeader initialize notice->z_uid directly
notice1 = ZNotice_t()
zbuf = c_char_p(0)
zbuflen = c_int(0)
st = self._libzephyr.ZFormatNotice(notice1, zbuf, zbuflen, ZNOAUTH)
assert st == 0, "ZFormatNotice notice1 failed"
notice2 = ZNotice_t()
zbuf = c_char_p(0)
zbuflen = c_int(0)
st = self._libzephyr.ZFormatNotice(notice2, zbuf, zbuflen, ZNOAUTH)
assert st == 0, "ZFormatNotice notice2 failed"
assert not self._libzephyr.ZCompareUID(notice1.z_uid, notice2.z_uid), "distinct notices don't compare as distinct"
# ctypes_pprint(notice1.z_uid)
def test_zauthtype(self):
"""Make sure Zauthtype is an acceptable value"""
assert self._libzephyr.Zauthtype in (0, 4, 5)
def test_z_expand_realm(self):
"""test ZExpandRealm"""
if self._libzephyr.Zauthtype:
assert self._libzephyr.ZExpandRealm("") == ""
assert self._libzephyr.ZExpandRealm("localhost") == ""
assert self._libzephyr.ZExpandRealm("bitsy.mit.edu") == "ATHENA.MIT.EDU"
else:
assert self._libzephyr.ZExpandRealm("") == ""
assert self._libzephyr.ZExpandRealm("localhost") == socket.getfqdn("localhost").upper()
assert self._libzephyr.ZExpandRealm("bitsy.mit.edu") == "BITSY.MIT.EDU"
def find_buildpath():
parser = optparse.OptionParser(usage=__doc__,
version = "%%prog %s" % __version__)
parser.add_option("--builddir", default="..",
help="where to find the top of the build tree")
parser.add_option("--verbose", "-v", action="store_true",
help="pass through for doctest.testfile")
opts, args = parser.parse_args()
assert not args, "no args yet"
return os.path.join(opts.builddir, "lib")
def getsockname(fd):
"""wrapped C lib getsocketname (works on raw fd)"""
libc = ctypes.cdll.LoadLibrary(ctypes.util.find_library("c"))
call_getsockname = libc.getsockname
call_getsockname.argtypes = [
c_int, # int s
POINTER(sockaddr), # struct sockaddr *name
POINTER(c_int), # socklen_t *namelen
]
name = sockaddr(0)
namelen = c_int(sizeof(name))
ret = call_getsockname(fd, name, namelen)
if ret == 0:
return name
# we can't get at errno until python 2.6...
print ret
raise EnvironmentError("getsockname failed")
if __name__ == "__main__":
tester = ZephyrTestSuite(builddir=find_buildpath())
tester.setup()
failures = tester.run()
tester.cleanup()
for failure, exc in failures:
print "FAIL:", failure, str(exc)
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