73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
#
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# Copyright (C) 2020 Martin Owens
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA.
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#
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"""
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Test API collisions and other inkex portions that don't fit elsewhere.
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"""
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from unittest import TestCase as BaseCase
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import inkex
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import inkex.paths
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import inkex.elements
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from inkex.utils import PY3
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class ProtectiveGlobals(dict):
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"""Python 3.3 and above globals dictionary"""
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def __setitem__(self, name, value):
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# This only works because setitem is called during construction It
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# does not work for getitem and that's why the python docs discourage
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# the use of an inherited dictionary class for exec globals.
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if name in self and value is not self[name]:
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assert value is self[name], (
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"While importing {} the API name `{}` was re-defined:"
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"\n\t1. {}"
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"\n\t2. {}"
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).format(self["__name__"], name, repr(value), repr(self[name]))
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super(ProtectiveGlobals, self).__setitem__(name, value)
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class TestModuleCollisions(BaseCase):
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"""Test imports to make sure the API is clean"""
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def assertNoCollisions(self, module): # pylint: disable=invalid-name
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"""Make sure there are no API collisions in the give module on import"""
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if not PY3:
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self.skipTest("API testing python 3.3 and above only.")
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with open(module.__file__, "r") as fhl:
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# name and package are esential to the exec pretending to
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# be an actual module during import (and not a script)
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exec(
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fhl.read(),
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ProtectiveGlobals(
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{ # pylint: disable=exec-used
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"__name__": module.__name__,
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"__package__": module.__package__,
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}
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),
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)
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def test_inkex(self):
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"""Test inkex API have no collisions"""
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self.assertNoCollisions(inkex)
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def test_inkex_elements(self):
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"""Test elements API have no collisions"""
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self.assertNoCollisions(inkex.elements)
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