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#
# Copyright (C) 2020 Martin Owens
#
# 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, USA.
#
"""
Test API collisions and other inkex portions that don't fit elsewhere.
"""
from unittest import TestCase as BaseCase
import inkex
import inkex.paths
import inkex.elements
from inkex.utils import PY3
class ProtectiveGlobals(dict):
"""Python 3.3 and above globals dictionary"""
def __setitem__(self, name, value):
# This only works because setitem is called during construction It
# does not work for getitem and that's why the python docs discourage
# the use of an inherited dictionary class for exec globals.
if name in self and value is not self[name]:
assert value is self[name], (
"While importing {} the API name `{}` was re-defined:"
"\n\t1. {}"
"\n\t2. {}"
).format(self['__name__'], name, repr(value), repr(self[name]))
super(ProtectiveGlobals, self).__setitem__(name, value)
class TestModuleCollisions(BaseCase):
"""Test imports to make sure the API is clean"""
def assertNoCollisions(self, module): # pylint: disable=invalid-name
"""Make sure there are no API collisions in the give module on import"""
if not PY3:
self.skipTest("API testing python 3.3 and above only.")
with open(module.__file__, 'r') as fhl:
# name and package are esential to the exec pretending to
# be an actual module during import (and not a script)
exec(fhl.read(), ProtectiveGlobals({ # pylint: disable=exec-used
'__name__': module.__name__,
'__package__': module.__package__}))
def test_inkex(self):
"""Test inkex API have no collisions"""
self.assertNoCollisions(inkex)
def test_inkex_elements(self):
"""Test elements API have no collisions"""
self.assertNoCollisions(inkex.elements)
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