#!/usr/bin/env python
# -*- coding: utf-8 -*-
# --------------------------------------------------------------------
# The MIT License (MIT)
#
# Copyright (c) 2014 Jonathan Labéjof <jonathan.labejof@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# --------------------------------------------------------------------
from unittest import main
from ..ut import UTCase
from ..reflect import base_elts, find_embedding, isoldstyle
from ..version import PY3
from inspect import getmodule
[docs]class IsOldStyle(UTCase):
"""Test the function isoldstyle."""
[docs] def test_true_simple(self):
"""Test true."""
class Test:
"""Test class."""
pass
self.assertTrue(PY3 or isoldstyle(Test))
[docs] def test_true_multi(self):
"""Test true multi."""
class Test:
pass
class SubTest(Test):
pass
self.assertTrue(PY3 or isoldstyle(SubTest))
[docs] def test_false_simple(self):
"""Test false."""
class Test(object):
pass
self.assertFalse(isoldstyle(Test))
[docs] def test_false_multi(self):
"""Test false multi."""
class Test(object):
pass
class SubTest(Test):
pass
self.assertFalse(isoldstyle(Test))
[docs]class BaseEltsTest(UTCase):
"""
Test base_elts function
"""
[docs] def test_not_inherited(self):
"""
Test with a not inherited element.
"""
bases = base_elts(None)
self.assertFalse(bases)
[docs] def test_function(self):
"""
Test function
"""
bases = base_elts(lambda: None)
self.assertFalse(bases)
[docs] def test_class(self):
"""
Test class
"""
class A:
pass
class B(A, dict):
pass
bases = base_elts(B)
self.assertEqual(bases, list(B.__bases__) + [object])
[docs] def test_method(self):
"""
Test method
"""
class A:
def a(self):
pass
class B(A):
pass
bases = base_elts(B.a, cls=A)
self.assertEqual(len(bases), 1)
base = bases.pop()
self.assertEqual(base, A.a)
[docs] def test_not_method(self):
"""
Test when method has been overriden
"""
class A:
def a(self):
pass
class B(A):
def a(self):
pass
bases = base_elts(B.a, cls=A)
self.assertFalse(bases)
[docs] def test_boundmethod(self):
"""
Test bound method
"""
class Test:
def test(self):
pass
test = Test()
bases = base_elts(test.test)
self.assertEqual(len(bases), 1)
self.assertEqual(bases.pop(), Test.test)
[docs] def test_not_boundmethod(self):
"""
Test with a bound method which is only defined in the instance
"""
class Test:
def test(self):
pass
test = Test()
test.test = lambda self: None
bases = base_elts(test.test)
self.assertFalse(bases)
[docs]class FindEmbeddingTest(UTCase):
[docs] def test_none(self):
embedding = find_embedding(None)
self.assertFalse(embedding)
[docs] def test_wrong_embedding(self):
embedding = find_embedding(None, embedding=FindEmbeddingTest)
self.assertFalse(embedding)
[docs] def test_module(self):
FindEmbeddingTestModule = getmodule(FindEmbeddingTest)
embedding = find_embedding(FindEmbeddingTestModule)
self.assertEqual(len(embedding), 1)
self.assertIs(FindEmbeddingTestModule, embedding[0])
[docs] def test_function(self):
embedding = find_embedding(find_embedding)
self.assertEqual(len(embedding), 2)
self.assertIs(embedding[0], getmodule(find_embedding))
self.assertIs(embedding[1], find_embedding)
[docs] def test_class(self):
embedding = find_embedding(FindEmbeddingTest)
self.assertEqual(len(embedding), 2)
self.assertIs(getmodule(FindEmbeddingTest), embedding[0])
self.assertIs(FindEmbeddingTest, embedding[1])
[docs] def test_method(self):
embedding = find_embedding(FindEmbeddingTest.test_method)
self.assertEqual(len(embedding), 3)
self.assertIs(getmodule(FindEmbeddingTest), embedding[0])
self.assertIs(FindEmbeddingTest, embedding[1])
self.assertEqual(FindEmbeddingTest.test_method, embedding[2])
if __name__ == '__main__':
main()