/Python/Lib/site-packages/win32com/test/util.py
Python | 227 lines | 206 code | 6 blank | 15 comment | 34 complexity | fdb483a5370cda249ae348daaf67cc91 MD5 | raw file
- import sys, os
- import win32api
- import tempfile
- import unittest
- import gc
- import pythoncom
- import winerror
- from pythoncom import _GetInterfaceCount, _GetGatewayCount
- import win32com
- import logging
- import _winreg
- import cStringIO as StringIO
-
- import pywin32_testutil
- from pywin32_testutil import TestLoader, TestResult, TestRunner, LeakTestCase
-
- def CheckClean():
- # Ensure no lingering exceptions - Python should have zero outstanding
- # COM objects
- try:
- sys.exc_clear()
- except AttributeError:
- pass # py3k
- c = _GetInterfaceCount()
- if c:
- print "Warning - %d com interface objects still alive" % c
- c = _GetGatewayCount()
- if c:
- print "Warning - %d com gateway objects still alive" % c
-
- def RegisterPythonServer(filename, progids=None, verbose=0):
- if progids:
- if isinstance(progids, basestring):
- progids = [progids]
- # we know the CLSIDs we need, but we might not be an admin user
- # and otherwise unable to register them. So as long as the progids
- # exist and the DLL points at our version, assume it already is.
- why_not = None
- for progid in progids:
- try:
- clsid = pythoncom.MakeIID(progid)
- except pythoncom.com_error:
- # no progid - not registered.
- break
- # have a CLSID - open it.
- try:
- HKCR = _winreg.HKEY_CLASSES_ROOT
- hk = _winreg.OpenKey(HKCR, "CLSID\\%s" % clsid)
- dll = _winreg.QueryValue(hk, "InprocServer32")
- except WindowsError:
- # no CLSID or InProcServer32 - not good!
- break
- if os.path.basename(dll) != os.path.basename(pythoncom.__file__):
- why_not = "%r is registered against a different Python version (%s)" % (progid, dll)
- break
- else:
- #print "Skipping registration of '%s' - already registered" % filename
- return
- # needs registration - see if its likely!
- try:
- from win32com.shell.shell import IsUserAnAdmin
- except ImportError:
- print "Can't import win32com.shell - no idea if you are an admin or not?"
- is_admin = False
- else:
- try:
- is_admin = IsUserAnAdmin()
- except pythoncom.com_error:
- # old, less-secure OS - assume *is* admin.
- is_admin = True
- if not is_admin:
- msg = "%r isn't registered, but I'm not an administrator who can register it." % progids[0]
- if why_not:
- msg += "\n(registration check failed as %s)" % why_not
- # throw a normal "class not registered" exception - we don't report
- # them the same way as "real" errors.
- raise pythoncom.com_error(winerror.CO_E_CLASSSTRING, msg, None, -1)
- # so theoretically we are able to register it.
- cmd = '%s "%s" --unattended > nul 2>&1' % (win32api.GetModuleFileName(0), filename)
- if verbose:
- print "Registering engine", filename
- # print cmd
- rc = os.system(cmd)
- if rc:
- print "Registration command was:"
- print cmd
- raise RuntimeError("Registration of engine '%s' failed" % filename)
-
- def ExecuteShellCommand(cmd, testcase,
- expected_output = None, # Set to '' to check for nothing
- tracebacks_ok = 0, # OK if the output contains a t/b?
- ):
- output_name = tempfile.mktemp('win32com_test')
- cmd = cmd + ' > "%s" 2>&1' % output_name
- rc = os.system(cmd)
- output = open(output_name, "r").read().strip()
- os.remove(output_name)
- class Failed(Exception): pass
- try:
- if rc:
- raise Failed("exit code was " + str(rc))
- if expected_output is not None and output != expected_output:
- raise Failed("Expected output %r (got %r)" % (expected_output, output))
- if not tracebacks_ok and \
- output.find("Traceback (most recent call last)")>=0:
- raise Failed("traceback in program output")
- return output
- except Failed, why:
- print "Failed to exec command '%r'" % cmd
- print "Failed as", why
- print "** start of program output **"
- print output
- print "** end of program output **"
- testcase.fail("Executing '%s' failed as %s" % (cmd, why))
-
- def assertRaisesCOM_HRESULT(testcase, hresult, func, *args, **kw):
- try:
- func(*args, **kw)
- except pythoncom.com_error, details:
- if details.hresult==hresult:
- return
- testcase.fail("Excepected COM exception with HRESULT 0x%x" % hresult)
-
- class CaptureWriter:
- def __init__(self):
- self.old_err = self.old_out = None
- self.clear()
- def capture(self):
- self.clear()
- self.old_out = sys.stdout
- self.old_err = sys.stderr
- sys.stdout = sys.stderr = self
- def release(self):
- if self.old_out:
- sys.stdout = self.old_out
- self.old_out = None
- if self.old_err:
- sys.stderr = self.old_err
- self.old_err = None
- def clear(self):
- self.captured = []
- def write(self, msg):
- self.captured.append(msg)
- def get_captured(self):
- return "".join(self.captured)
- def get_num_lines_captured(self):
- return len("".join(self.captured).split("\n"))
-
-
- # Utilities to set the win32com logger to something what just captures
- # records written and doesn't print them.
- class LogHandler(logging.Handler):
- def __init__(self):
- self.emitted = []
- logging.Handler.__init__(self)
- def emit(self, record):
- self.emitted.append(record)
-
- _win32com_logger = None
- def setup_test_logger():
- old_log = getattr(win32com, "logger", None)
- global _win32com_logger
- if _win32com_logger is None:
- _win32com_logger = logging.Logger('test')
- handler = LogHandler()
- _win32com_logger.addHandler(handler)
-
- win32com.logger = _win32com_logger
- handler = _win32com_logger.handlers[0]
- handler.emitted = []
- return handler.emitted, old_log
-
- def restore_test_logger(prev_logger):
- assert prev_logger is None, "who needs this?"
- if prev_logger is None:
- del win32com.logger
- else:
- win32com.logger = prev_logger
-
- # We used to override some of this (and may later!)
- TestCase = unittest.TestCase
-
- def CapturingFunctionTestCase(*args, **kw):
- real_test = _CapturingFunctionTestCase(*args, **kw)
- return LeakTestCase(real_test)
-
- class _CapturingFunctionTestCase(unittest.FunctionTestCase):#, TestCaseMixin):
- def __call__(self, result=None):
- if result is None: result = self.defaultTestResult()
- writer = CaptureWriter()
- #self._preTest()
- writer.capture()
- try:
- unittest.FunctionTestCase.__call__(self, result)
- if getattr(self, "do_leak_tests", 0) and hasattr(sys, "gettotalrefcount"):
- self.run_leak_tests(result)
- finally:
- writer.release()
- #self._postTest(result)
- output = writer.get_captured()
- self.checkOutput(output, result)
- if result.showAll:
- print output
- def checkOutput(self, output, result):
- if output.find("Traceback")>=0:
- msg = "Test output contained a traceback\n---\n%s\n---" % output
- result.errors.append((self, msg))
-
- class ShellTestCase(unittest.TestCase):
- def __init__(self, cmd, expected_output):
- self.__cmd = cmd
- self.__eo = expected_output
- unittest.TestCase.__init__(self)
- def runTest(self):
- ExecuteShellCommand(self.__cmd, self, self.__eo)
- def __str__(self):
- max = 30
- if len(self.__cmd)>max:
- cmd_repr = self.__cmd[:max] + "..."
- else:
- cmd_repr = self.__cmd
- return "exec: " + cmd_repr
-
-
- def testmain(*args, **kw):
- pywin32_testutil.testmain(*args, **kw)
- CheckClean()