virt-manager/tests/misc.py

92 lines
2.7 KiB
Python

# Copyright (C) 2013 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
import fnmatch
import imp
import importlib
import os
import sys
import unittest
_badmodules = ["gi.repository.Gtk", "gi.repository.GObject",
"gi.repository.Gdk", "gi.repository.GLib"]
def _restore_modules(fn):
def wrap(*args, **kwargs):
origimport = __builtins__["__import__"]
def my_import(name, *iargs, **ikwargs):
if name in _badmodules:
raise AssertionError("Tried to import '%s'" % name)
return origimport(name, *iargs, **ikwargs)
try:
__builtins__["__import__"] = my_import
return fn(*args, **kwargs)
finally:
__builtins__["__import__"] = origimport
return wrap
def _find_py(dirname):
ret = []
for root, ignore, filenames in os.walk(dirname):
for filename in fnmatch.filter(filenames, "*.py"):
ret.append(os.path.join(root, filename))
ret.sort(key=lambda s: s.lower())
return ret
class TestMisc(unittest.TestCase):
"""
Miscellaneous tests
"""
def _check_modules(self, files):
for f in files:
regular_import = f.endswith(".py")
if f.endswith("/__init__.py"):
f = f.rsplit("/", 1)[0]
name = f.rsplit(".", 1)[0].replace("/", ".")
if name in sys.modules:
continue
if regular_import:
importlib.import_module(name)
else:
imp.load_source(name, f)
found = []
for f in _badmodules:
if f in sys.modules:
found.append(f)
if found:
raise AssertionError("%s found in sys.modules" % found)
@_restore_modules
def test_no_gtk_virtinst(self):
"""
Make sure virtinst doesn't pull in any gnome modules
"""
files = ["virt-install", "virt-clone", "virt-convert", "virt-image"]
files += _find_py("virtinst")
files += _find_py("virtconv")
files += _find_py("virtcli")
self._check_modules(files)