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- # -*- coding: utf-8 -*-
- #
- # Copyright (C) 2012-2013 Ben Kurtovic <ben.kurtovic@verizon.net>
- #
- # 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 __future__ import unicode_literals
- import unittest
-
- from mwparserfromhell.compat import py3k, range
- from mwparserfromhell.smart_list import SmartList, _ListProxy
-
- class TestSmartList(unittest.TestCase):
- """Test cases for the SmartList class and its child, _ListProxy."""
-
- def _test_get_set_del_item(self, builder):
- """Run tests on __get/set/delitem__ of a list built with *builder*."""
- def assign(L, s1, s2, s3, val):
- L[s1:s2:s3] = val
- def delete(L, s1):
- del L[s1]
-
- list1 = builder([0, 1, 2, 3, "one", "two"])
- list2 = builder(list(range(10)))
-
- self.assertEqual(1, list1[1])
- self.assertEqual("one", list1[-2])
- self.assertEqual([2, 3], list1[2:4])
- self.assertRaises(IndexError, lambda: list1[6])
- self.assertRaises(IndexError, lambda: list1[-7])
-
- self.assertEqual([0, 1, 2], list1[:3])
- self.assertEqual([0, 1, 2, 3, "one", "two"], list1[:])
- self.assertEqual([3, "one", "two"], list1[3:])
- self.assertEqual(["one", "two"], list1[-2:])
- self.assertEqual([0, 1], list1[:-4])
- self.assertEqual([], list1[6:])
- self.assertEqual([], list1[4:2])
-
- self.assertEqual([0, 2, "one"], list1[0:5:2])
- self.assertEqual([0, 2], list1[0:-3:2])
- self.assertEqual([0, 1, 2, 3, "one", "two"], list1[::])
- self.assertEqual([2, 3, "one", "two"], list1[2::])
- self.assertEqual([0, 1, 2, 3], list1[:4:])
- self.assertEqual([2, 3], list1[2:4:])
- self.assertEqual([0, 2, 4, 6, 8], list2[::2])
- self.assertEqual([2, 5, 8], list2[2::3])
- self.assertEqual([0, 3], list2[:6:3])
- self.assertEqual([2, 5, 8], list2[-8:9:3])
- self.assertEqual([], list2[100000:1000:-100])
-
- list1[3] = 100
- self.assertEqual(100, list1[3])
- list1[-3] = 101
- self.assertEqual([0, 1, 2, 101, "one", "two"], list1)
- list1[5:] = [6, 7, 8]
- self.assertEqual([6, 7, 8], list1[5:])
- self.assertEqual([0, 1, 2, 101, "one", 6, 7, 8], list1)
- list1[2:4] = [-1, -2, -3, -4, -5]
- self.assertEqual([0, 1, -1, -2, -3, -4, -5, "one", 6, 7, 8], list1)
- list1[0:-3] = [99]
- self.assertEqual([99, 6, 7, 8], list1)
- list2[0:6:2] = [100, 102, 104]
- self.assertEqual([100, 1, 102, 3, 104, 5, 6, 7, 8, 9], list2)
- list2[::3] = [200, 203, 206, 209]
- self.assertEqual([200, 1, 102, 203, 104, 5, 206, 7, 8, 209], list2)
- list2[::] = range(7)
- self.assertEqual([0, 1, 2, 3, 4, 5, 6], list2)
- self.assertRaises(ValueError, assign, list2, 0, 5, 2,
- [100, 102, 104, 106])
-
- del list2[2]
- self.assertEqual([0, 1, 3, 4, 5, 6], list2)
- del list2[-3]
- self.assertEqual([0, 1, 3, 5, 6], list2)
- self.assertRaises(IndexError, delete, list2, 100)
- self.assertRaises(IndexError, delete, list2, -6)
- list2[:] = range(10)
- del list2[3:6]
- self.assertEqual([0, 1, 2, 6, 7, 8, 9], list2)
- del list2[-2:]
- self.assertEqual([0, 1, 2, 6, 7], list2)
- del list2[:2]
- self.assertEqual([2, 6, 7], list2)
- list2[:] = range(10)
- del list2[2:8:2]
- self.assertEqual([0, 1, 3, 5, 7, 8, 9], list2)
-
- def _test_add_radd_iadd(self, builder):
- """Run tests on __r/i/add__ of a list built with *builder*."""
- list1 = builder(range(5))
- list2 = builder(range(5, 10))
- self.assertEqual([0, 1, 2, 3, 4, 5, 6], list1 + [5, 6])
- self.assertEqual([0, 1, 2, 3, 4], list1)
- self.assertEqual(list(range(10)), list1 + list2)
- self.assertEqual([-2, -1, 0, 1, 2, 3, 4], [-2, -1] + list1)
- self.assertEqual([0, 1, 2, 3, 4], list1)
- list1 += ["foo", "bar", "baz"]
- self.assertEqual([0, 1, 2, 3, 4, "foo", "bar", "baz"], list1)
-
- def _test_other_magic_methods(self, builder):
- """Run tests on other magic methods of a list built with *builder*."""
- list1 = builder([0, 1, 2, 3, "one", "two"])
- list2 = builder([])
- list3 = builder([0, 2, 3, 4])
- list4 = builder([0, 1, 2])
-
- if py3k:
- self.assertEqual("[0, 1, 2, 3, 'one', 'two']", str(list1))
- self.assertEqual(b"[0, 1, 2, 3, 'one', 'two']", bytes(list1))
- self.assertEqual("[0, 1, 2, 3, 'one', 'two']", repr(list1))
- else:
- self.assertEqual("[0, 1, 2, 3, u'one', u'two']", unicode(list1))
- self.assertEqual(b"[0, 1, 2, 3, u'one', u'two']", str(list1))
- self.assertEqual(b"[0, 1, 2, 3, u'one', u'two']", repr(list1))
-
- self.assertTrue(list1 < list3)
- self.assertTrue(list1 <= list3)
- self.assertFalse(list1 == list3)
- self.assertTrue(list1 != list3)
- self.assertFalse(list1 > list3)
- self.assertFalse(list1 >= list3)
-
- other1 = [0, 2, 3, 4]
- self.assertTrue(list1 < other1)
- self.assertTrue(list1 <= other1)
- self.assertFalse(list1 == other1)
- self.assertTrue(list1 != other1)
- self.assertFalse(list1 > other1)
- self.assertFalse(list1 >= other1)
-
- other2 = [0, 0, 1, 2]
- self.assertFalse(list1 < other2)
- self.assertFalse(list1 <= other2)
- self.assertFalse(list1 == other2)
- self.assertTrue(list1 != other2)
- self.assertTrue(list1 > other2)
- self.assertTrue(list1 >= other2)
-
- other3 = [0, 1, 2, 3, "one", "two"]
- self.assertFalse(list1 < other3)
- self.assertTrue(list1 <= other3)
- self.assertTrue(list1 == other3)
- self.assertFalse(list1 != other3)
- self.assertFalse(list1 > other3)
- self.assertTrue(list1 >= other3)
-
- self.assertTrue(bool(list1))
- self.assertFalse(bool(list2))
-
- self.assertEqual(6, len(list1))
- self.assertEqual(0, len(list2))
-
- out = []
- for obj in list1:
- out.append(obj)
- self.assertEqual([0, 1, 2, 3, "one", "two"], out)
-
- out = []
- for ch in list2:
- out.append(ch)
- self.assertEqual([], out)
-
- gen1 = iter(list1)
- out = []
- for i in range(len(list1)):
- out.append(gen1.next())
- self.assertRaises(StopIteration, gen1.next)
- self.assertEqual([0, 1, 2, 3, "one", "two"], out)
- gen2 = iter(list2)
- self.assertRaises(StopIteration, gen2.next)
-
- self.assertEqual(["two", "one", 3, 2, 1, 0], list(reversed(list1)))
- self.assertEqual([], list(reversed(list2)))
-
- self.assertTrue("one" in list1)
- self.assertTrue(3 in list1)
- self.assertFalse(10 in list1)
- self.assertFalse(0 in list2)
-
- self.assertEqual([], list2 * 5)
- self.assertEqual([], 5 * list2)
- self.assertEqual([0, 1, 2, 0, 1, 2, 0, 1, 2], list4 * 3)
- self.assertEqual([0, 1, 2, 0, 1, 2, 0, 1, 2], 3 * list4)
- list4 *= 2
- self.assertEqual([0, 1, 2, 0, 1, 2], list4)
-
- def _test_list_methods(self, builder):
- """Run tests on the public methods of a list built with *builder*."""
- list1 = builder(range(5))
- list2 = builder(["foo"])
- list3 = builder([("a", 5), ("d", 2), ("b", 8), ("c", 3)])
-
- list1.append(5)
- list1.append(1)
- list1.append(2)
- self.assertEqual([0, 1, 2, 3, 4, 5, 1, 2], list1)
-
- self.assertEqual(0, list1.count(6))
- self.assertEqual(2, list1.count(1))
-
- list1.extend(range(5, 8))
- self.assertEqual([0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 7], list1)
-
- self.assertEqual(1, list1.index(1))
- self.assertEqual(6, list1.index(1, 3))
- self.assertEqual(6, list1.index(1, 3, 7))
- self.assertRaises(ValueError, list1.index, 1, 3, 5)
-
- list1.insert(0, -1)
- self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 7], list1)
- list1.insert(-1, 6.5)
- self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5, 7], list1)
- list1.insert(13, 8)
- self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5, 7, 8], list1)
-
- self.assertEqual(8, list1.pop())
- self.assertEqual(7, list1.pop())
- self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5], list1)
- self.assertEqual(-1, list1.pop(0))
- self.assertEqual(5, list1.pop(5))
- self.assertEqual(6.5, list1.pop(-1))
- self.assertEqual([0, 1, 2, 3, 4, 1, 2, 5, 6], list1)
- self.assertEqual("foo", list2.pop())
- self.assertRaises(IndexError, list2.pop)
- self.assertEqual([], list2)
-
- list1.remove(6)
- self.assertEqual([0, 1, 2, 3, 4, 1, 2, 5], list1)
- list1.remove(1)
- self.assertEqual([0, 2, 3, 4, 1, 2, 5], list1)
- list1.remove(1)
- self.assertEqual([0, 2, 3, 4, 2, 5], list1)
- self.assertRaises(ValueError, list1.remove, 1)
-
- list1.reverse()
- self.assertEqual([5, 2, 4, 3, 2, 0], list1)
-
- list1.sort()
- self.assertEqual([0, 2, 2, 3, 4, 5], list1)
- list1.sort(reverse=True)
- self.assertEqual([5, 4, 3, 2, 2, 0], list1)
- list1.sort(cmp=lambda x, y: abs(3 - x) - abs(3 - y)) # Distance from 3
- self.assertEqual([3, 4, 2, 2, 5, 0], list1)
- list1.sort(cmp=lambda x, y: abs(3 - x) - abs(3 - y), reverse=True)
- self.assertEqual([0, 5, 4, 2, 2, 3], list1)
- list3.sort(key=lambda i: i[1])
- self.assertEqual([("d", 2), ("c", 3), ("a", 5), ("b", 8)], list3)
- list3.sort(key=lambda i: i[1], reverse=True)
- self.assertEqual([("b", 8), ("a", 5), ("c", 3), ("d", 2)], list3)
-
- def test_docs(self):
- """make sure the methods of SmartList/_ListProxy have docstrings"""
- methods = ["append", "count", "extend", "index", "insert", "pop",
- "remove", "reverse", "sort"]
- for meth in methods:
- expected = getattr(list, meth).__doc__
- smartlist_doc = getattr(SmartList, meth).__doc__
- listproxy_doc = getattr(_ListProxy, meth).__doc__
- self.assertEqual(expected, smartlist_doc)
- self.assertEqual(expected, listproxy_doc)
-
- def test_doctest(self):
- """make sure the test embedded in SmartList's docstring passes"""
- parent = SmartList([0, 1, 2, 3])
- self.assertEqual([0, 1, 2, 3], parent)
- child = parent[2:]
- self.assertEqual([2, 3], child)
- child.append(4)
- self.assertEqual([2, 3, 4], child)
- self.assertEqual([0, 1, 2, 3, 4], parent)
-
- def test_parent_get_set_del(self):
- """make sure SmartList's getitem/setitem/delitem work"""
- self._test_get_set_del_item(SmartList)
-
- def test_parent_add(self):
- """make sure SmartList's add/radd/iadd work"""
- self._test_add_radd_iadd(SmartList)
-
- def test_parent_unaffected_magics(self):
- """sanity checks against SmartList features that were not modified"""
- self._test_other_magic_methods(SmartList)
-
- def test_parent_methods(self):
- """make sure SmartList's non-magic methods work, like append()"""
- self._test_list_methods(SmartList)
-
- def test_child_get_set_del(self):
- """make sure _ListProxy's getitem/setitem/delitem work"""
- self._test_get_set_del_item(lambda L: SmartList(list(L))[:])
- self._test_get_set_del_item(lambda L: SmartList([999] + list(L))[1:])
- self._test_get_set_del_item(lambda L: SmartList(list(L) + [999])[:-1])
- builder = lambda L: SmartList([101, 102] + list(L) + [201, 202])[2:-2]
- self._test_get_set_del_item(builder)
-
- def test_child_add(self):
- """make sure _ListProxy's add/radd/iadd work"""
- self._test_add_radd_iadd(lambda L: SmartList(list(L))[:])
- self._test_add_radd_iadd(lambda L: SmartList([999] + list(L))[1:])
- self._test_add_radd_iadd(lambda L: SmartList(list(L) + [999])[:-1])
- builder = lambda L: SmartList([101, 102] + list(L) + [201, 202])[2:-2]
- self._test_add_radd_iadd(builder)
-
- def test_child_other_magics(self):
- """make sure _ListProxy's other magically implemented features work"""
- self._test_other_magic_methods(lambda L: SmartList(list(L))[:])
- self._test_other_magic_methods(lambda L: SmartList([999] + list(L))[1:])
- self._test_other_magic_methods(lambda L: SmartList(list(L) + [999])[:-1])
- builder = lambda L: SmartList([101, 102] + list(L) + [201, 202])[2:-2]
- self._test_other_magic_methods(builder)
-
- def test_child_methods(self):
- """make sure _ListProxy's non-magic methods work, like append()"""
- self._test_list_methods(lambda L: SmartList(list(L))[:])
- self._test_list_methods(lambda L: SmartList([999] + list(L))[1:])
- self._test_list_methods(lambda L: SmartList(list(L) + [999])[:-1])
- builder = lambda L: SmartList([101, 102] + list(L) + [201, 202])[2:-2]
- self._test_list_methods(builder)
-
- def test_influence(self):
- """make sure changes are propagated from parents to children"""
- parent = SmartList([0, 1, 2, 3, 4, 5])
- child1 = parent[2:]
- child2 = parent[2:5]
-
- parent.append(6)
- child1.append(7)
- child2.append(4.5)
- self.assertEqual([0, 1, 2, 3, 4, 4.5, 5, 6, 7], parent)
- self.assertEqual([2, 3, 4, 4.5, 5, 6, 7], child1)
- self.assertEqual([2, 3, 4, 4.5], child2)
-
- parent.insert(0, -1)
- parent.insert(4, 2.5)
- parent.insert(10, 6.5)
- self.assertEqual([-1, 0, 1, 2, 2.5, 3, 4, 4.5, 5, 6, 6.5, 7], parent)
- self.assertEqual([2, 2.5, 3, 4, 4.5, 5, 6, 6.5, 7], child1)
- self.assertEqual([2, 2.5, 3, 4, 4.5], child2)
-
- self.assertEqual(7, parent.pop())
- self.assertEqual(6.5, child1.pop())
- self.assertEqual(4.5, child2.pop())
- self.assertEqual([-1, 0, 1, 2, 2.5, 3, 4, 5, 6], parent)
- self.assertEqual([2, 2.5, 3, 4, 5, 6], child1)
- self.assertEqual([2, 2.5, 3, 4], child2)
-
- parent.remove(-1)
- child1.remove(2.5)
- self.assertEqual([0, 1, 2, 3, 4, 5, 6], parent)
- self.assertEqual([2, 3, 4, 5, 6], child1)
- self.assertEqual([2, 3, 4], child2)
-
- self.assertEqual(0, parent.pop(0))
- self.assertEqual([1, 2, 3, 4, 5, 6], parent)
- self.assertEqual([2, 3, 4, 5, 6], child1)
- self.assertEqual([2, 3, 4], child2)
-
- child2.reverse()
- self.assertEqual([1, 4, 3, 2, 5, 6], parent)
- self.assertEqual([4, 3, 2, 5, 6], child1)
- self.assertEqual([4, 3, 2], child2)
-
- parent.extend([7, 8])
- child1.extend([8.1, 8.2])
- child2.extend([1.9, 1.8])
- self.assertEqual([1, 4, 3, 2, 1.9, 1.8, 5, 6, 7, 8, 8.1, 8.2], parent)
- self.assertEqual([4, 3, 2, 1.9, 1.8, 5, 6, 7, 8, 8.1, 8.2], child1)
- self.assertEqual([4, 3, 2, 1.9, 1.8], child2)
-
- if __name__ == "__main__":
- unittest.main(verbosity=2)
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