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# Authors:
# Jason Gerard DeRose <jderose@redhat.com>
#
# Copyright (C) 2008 Red Hat
# see file 'COPYING' for use and warranty information
#
# 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; version 2 only
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
Unit tests for test-helper `tests.tstutil` module.
"""
import tstutil
class Prop(object):
def __init__(self, *ops):
self.__ops = frozenset(ops)
self.__prop = 'prop value'
def __get_prop(self):
if 'get' not in self.__ops:
raise AttributeError('get prop')
return self.__prop
def __set_prop(self, value):
if 'set' not in self.__ops:
raise AttributeError('set prop')
self.__prop = value
def __del_prop(self):
if 'del' not in self.__ops:
raise AttributeError('del prop')
self.__prop = None
prop = property(__get_prop, __set_prop, __del_prop)
def test_yes_raised():
f = tstutil.raises
class SomeError(Exception):
pass
class AnotherError(Exception):
pass
def callback1():
'raises correct exception'
raise SomeError()
def callback2():
'raises wrong exception'
raise AnotherError()
def callback3():
'raises no exception'
f(SomeError, callback1)
raised = False
try:
f(SomeError, callback2)
except AnotherError:
raised = True
assert raised
raised = False
try:
f(SomeError, callback3)
except tstutil.ExceptionNotRaised:
raised = True
assert raised
def test_no_set():
# Tests that it works when prop cannot be set:
tstutil.no_set(Prop('get', 'del'), 'prop')
# Tests that ExceptionNotRaised is raised when prop *can* be set:
raised = False
try:
tstutil.no_set(Prop('set'), 'prop')
except tstutil.ExceptionNotRaised:
raised = True
assert raised
def test_no_del():
# Tests that it works when prop cannot be deleted:
tstutil.no_del(Prop('get', 'set'), 'prop')
# Tests that ExceptionNotRaised is raised when prop *can* be set:
raised = False
try:
tstutil.no_del(Prop('del'), 'prop')
except tstutil.ExceptionNotRaised:
raised = True
assert raised
def test_read_only():
# Test that it works when prop is read only:
assert tstutil.read_only(Prop('get'), 'prop') == 'prop value'
# Test that ExceptionNotRaised is raised when prop can be set:
raised = False
try:
tstutil.read_only(Prop('get', 'set'), 'prop')
except tstutil.ExceptionNotRaised:
raised = True
assert raised
# Test that ExceptionNotRaised is raised when prop can be deleted:
raised = False
try:
tstutil.read_only(Prop('get', 'del'), 'prop')
except tstutil.ExceptionNotRaised:
raised = True
assert raised
# Test that ExceptionNotRaised is raised when prop can be both set and
# deleted:
raised = False
try:
tstutil.read_only(Prop('get', 'del'), 'prop')
except tstutil.ExceptionNotRaised:
raised = True
assert raised
# Test that AttributeError is raised when prop can't be read:
raised = False
try:
tstutil.read_only(Prop(), 'prop')
except AttributeError:
raised = True
assert raised
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