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Refactor ring.py so that both implementations can be available, and a…
…dd coverage tests.
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Original file line number | Diff line number | Diff line change |
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############################################################################## | ||
# | ||
# Copyright (c) 2011 Zope Foundation and Contributors. | ||
# All Rights Reserved. | ||
# | ||
# This software is subject to the provisions of the Zope Public License, | ||
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. | ||
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED | ||
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS | ||
# FOR A PARTICULAR PURPOSE. | ||
# | ||
############################################################################## | ||
import unittest | ||
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from .. import ring | ||
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#pylint: disable=R0904,W0212,E1101 | ||
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class DummyPersistent(object): | ||
_p_oid = None | ||
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__next_oid = 0 | ||
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@classmethod | ||
def _next_oid(cls): | ||
cls.__next_oid += 1 | ||
return cls.__next_oid | ||
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def __init__(self, oid=None): | ||
if oid is None: | ||
self._p_oid = self._next_oid() | ||
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def __repr__(self): | ||
return "<Dummy %r>" % self._p_oid | ||
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class _Ring_Base(object): | ||
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def _getTargetClass(self): | ||
"""Return the type of the ring to test""" | ||
raise NotImplementedError() | ||
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def _makeOne(self): | ||
return self._getTargetClass()() | ||
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def test_empty_len(self): | ||
self.assertEqual(0, len(self._makeOne())) | ||
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def test_empty_contains(self): | ||
r = self._makeOne() | ||
self.assertFalse(DummyPersistent() in r) | ||
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def test_empty_iter(self): | ||
self.assertEqual([], list(self._makeOne())) | ||
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def test_add_one_len1(self): | ||
r = self._makeOne() | ||
p = DummyPersistent() | ||
r.add(p) | ||
self.assertEqual(1, len(r)) | ||
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def test_add_one_contains(self): | ||
r = self._makeOne() | ||
p = DummyPersistent() | ||
r.add(p) | ||
self.assertTrue(p in r) | ||
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def test_delete_one_len0(self): | ||
r = self._makeOne() | ||
p = DummyPersistent() | ||
r.add(p) | ||
r.delete(p) | ||
self.assertEqual(0, len(r)) | ||
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def test_delete_one_multiple(self): | ||
r = self._makeOne() | ||
p = DummyPersistent() | ||
r.add(p) | ||
r.delete(p) | ||
self.assertEqual(0, len(r)) | ||
self.assertFalse(p in r) | ||
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r.delete(p) | ||
self.assertEqual(0, len(r)) | ||
self.assertFalse(p in r) | ||
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def test_delete_from_wrong_ring(self): | ||
r1 = self._makeOne() | ||
r2 = self._makeOne() | ||
p1 = DummyPersistent() | ||
p2 = DummyPersistent() | ||
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r1.add(p1) | ||
r2.add(p2) | ||
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r2.delete(p1) | ||
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self.assertEqual(1, len(r1)) | ||
self.assertEqual(1, len(r2)) | ||
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self.assertEqual([p1], list(r1)) | ||
self.assertEqual([p2], list(r2)) | ||
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def test_move_to_head(self): | ||
r = self._makeOne() | ||
p1 = DummyPersistent() | ||
p2 = DummyPersistent() | ||
p3 = DummyPersistent() | ||
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r.add(p1) | ||
r.add(p2) | ||
r.add(p3) | ||
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self.assertEqual([p1, p2, p3], list(r)) | ||
self.assertEqual(3, len(r)) | ||
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r.move_to_head(p1) | ||
self.assertEqual([p2, p3, p1], list(r)) | ||
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r.move_to_head(p3) | ||
self.assertEqual([p2, p1, p3], list(r)) | ||
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r.move_to_head(p3) | ||
self.assertEqual([p2, p1, p3], list(r)) | ||
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def test_delete_all(self): | ||
r = self._makeOne() | ||
p1 = DummyPersistent() | ||
p2 = DummyPersistent() | ||
p3 = DummyPersistent() | ||
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r.add(p1) | ||
r.add(p2) | ||
r.add(p3) | ||
self.assertEqual([p1, p2, p3], list(r)) | ||
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r.delete_all([(0, p1), (2, p3)]) | ||
self.assertEqual([p2], list(r)) | ||
self.assertEqual(1, len(r)) | ||
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class DequeRingTests(unittest.TestCase, _Ring_Base): | ||
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def _getTargetClass(self): | ||
return ring._DequeRing | ||
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_add_to_suite = [DequeRingTests] | ||
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if ring._CFFIRing: | ||
class CFFIRingTests(unittest.TestCase, _Ring_Base): | ||
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def _getTargetClass(self): | ||
return ring._CFFIRing | ||
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_add_to_suite.append(CFFIRingTests) | ||
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def test_suite(): | ||
return unittest.TestSuite([unittest.makeSuite(x) for x in _add_to_suite]) | ||
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if __name__ == '__main__': | ||
unittest.main() |
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