A Python parser for MediaWiki wikicode https://mwparserfromhell.readthedocs.io/
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

test_smart_list.py 16 KiB

пре 11 година
пре 11 година
пре 11 година
пре 11 година
пре 11 година
пре 11 година
пре 11 година
пре 11 година
пре 11 година
пре 11 година
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394
  1. # -*- coding: utf-8 -*-
  2. #
  3. # Copyright (C) 2012-2014 Ben Kurtovic <ben.kurtovic@gmail.com>
  4. #
  5. # Permission is hereby granted, free of charge, to any person obtaining a copy
  6. # of this software and associated documentation files (the "Software"), to deal
  7. # in the Software without restriction, including without limitation the rights
  8. # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  9. # copies of the Software, and to permit persons to whom the Software is
  10. # furnished to do so, subject to the following conditions:
  11. #
  12. # The above copyright notice and this permission notice shall be included in
  13. # all copies or substantial portions of the Software.
  14. #
  15. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18. # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20. # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21. # SOFTWARE.
  22. from __future__ import unicode_literals
  23. try:
  24. import unittest2 as unittest
  25. except ImportError:
  26. import unittest
  27. from mwparserfromhell.compat import py3k, range
  28. from mwparserfromhell.smart_list import SmartList, _ListProxy
  29. class TestSmartList(unittest.TestCase):
  30. """Test cases for the SmartList class and its child, _ListProxy."""
  31. def _test_get_set_del_item(self, builder):
  32. """Run tests on __get/set/delitem__ of a list built with *builder*."""
  33. def assign(L, s1, s2, s3, val):
  34. L[s1:s2:s3] = val
  35. def delete(L, s1):
  36. del L[s1]
  37. list1 = builder([0, 1, 2, 3, "one", "two"])
  38. list2 = builder(list(range(10)))
  39. self.assertEqual(1, list1[1])
  40. self.assertEqual("one", list1[-2])
  41. self.assertEqual([2, 3], list1[2:4])
  42. self.assertRaises(IndexError, lambda: list1[6])
  43. self.assertRaises(IndexError, lambda: list1[-7])
  44. self.assertEqual([0, 1, 2], list1[:3])
  45. self.assertEqual([0, 1, 2, 3, "one", "two"], list1[:])
  46. self.assertEqual([3, "one", "two"], list1[3:])
  47. self.assertEqual(["one", "two"], list1[-2:])
  48. self.assertEqual([0, 1], list1[:-4])
  49. self.assertEqual([], list1[6:])
  50. self.assertEqual([], list1[4:2])
  51. self.assertEqual([0, 2, "one"], list1[0:5:2])
  52. self.assertEqual([0, 2], list1[0:-3:2])
  53. self.assertEqual([0, 1, 2, 3, "one", "two"], list1[::])
  54. self.assertEqual([2, 3, "one", "two"], list1[2::])
  55. self.assertEqual([0, 1, 2, 3], list1[:4:])
  56. self.assertEqual([2, 3], list1[2:4:])
  57. self.assertEqual([0, 2, 4, 6, 8], list2[::2])
  58. self.assertEqual([2, 5, 8], list2[2::3])
  59. self.assertEqual([0, 3], list2[:6:3])
  60. self.assertEqual([2, 5, 8], list2[-8:9:3])
  61. self.assertEqual([], list2[100000:1000:-100])
  62. list1[3] = 100
  63. self.assertEqual(100, list1[3])
  64. list1[-3] = 101
  65. self.assertEqual([0, 1, 2, 101, "one", "two"], list1)
  66. list1[5:] = [6, 7, 8]
  67. self.assertEqual([6, 7, 8], list1[5:])
  68. self.assertEqual([0, 1, 2, 101, "one", 6, 7, 8], list1)
  69. list1[2:4] = [-1, -2, -3, -4, -5]
  70. self.assertEqual([0, 1, -1, -2, -3, -4, -5, "one", 6, 7, 8], list1)
  71. list1[0:-3] = [99]
  72. self.assertEqual([99, 6, 7, 8], list1)
  73. list2[0:6:2] = [100, 102, 104]
  74. self.assertEqual([100, 1, 102, 3, 104, 5, 6, 7, 8, 9], list2)
  75. list2[::3] = [200, 203, 206, 209]
  76. self.assertEqual([200, 1, 102, 203, 104, 5, 206, 7, 8, 209], list2)
  77. list2[::] = range(7)
  78. self.assertEqual([0, 1, 2, 3, 4, 5, 6], list2)
  79. self.assertRaises(ValueError, assign, list2, 0, 5, 2,
  80. [100, 102, 104, 106])
  81. del list2[2]
  82. self.assertEqual([0, 1, 3, 4, 5, 6], list2)
  83. del list2[-3]
  84. self.assertEqual([0, 1, 3, 5, 6], list2)
  85. self.assertRaises(IndexError, delete, list2, 100)
  86. self.assertRaises(IndexError, delete, list2, -6)
  87. list2[:] = range(10)
  88. del list2[3:6]
  89. self.assertEqual([0, 1, 2, 6, 7, 8, 9], list2)
  90. del list2[-2:]
  91. self.assertEqual([0, 1, 2, 6, 7], list2)
  92. del list2[:2]
  93. self.assertEqual([2, 6, 7], list2)
  94. list2[:] = range(10)
  95. del list2[2:8:2]
  96. self.assertEqual([0, 1, 3, 5, 7, 8, 9], list2)
  97. def _test_add_radd_iadd(self, builder):
  98. """Run tests on __r/i/add__ of a list built with *builder*."""
  99. list1 = builder(range(5))
  100. list2 = builder(range(5, 10))
  101. self.assertEqual([0, 1, 2, 3, 4, 5, 6], list1 + [5, 6])
  102. self.assertEqual([0, 1, 2, 3, 4], list1)
  103. self.assertEqual(list(range(10)), list1 + list2)
  104. self.assertEqual([-2, -1, 0, 1, 2, 3, 4], [-2, -1] + list1)
  105. self.assertEqual([0, 1, 2, 3, 4], list1)
  106. list1 += ["foo", "bar", "baz"]
  107. self.assertEqual([0, 1, 2, 3, 4, "foo", "bar", "baz"], list1)
  108. def _test_other_magic_methods(self, builder):
  109. """Run tests on other magic methods of a list built with *builder*."""
  110. list1 = builder([0, 1, 2, 3, "one", "two"])
  111. list2 = builder([])
  112. list3 = builder([0, 2, 3, 4])
  113. list4 = builder([0, 1, 2])
  114. if py3k:
  115. self.assertEqual("[0, 1, 2, 3, 'one', 'two']", str(list1))
  116. self.assertEqual(b"\x00\x01\x02", bytes(list4))
  117. self.assertEqual("[0, 1, 2, 3, 'one', 'two']", repr(list1))
  118. else:
  119. self.assertEqual("[0, 1, 2, 3, u'one', u'two']", unicode(list1))
  120. self.assertEqual(b"[0, 1, 2, 3, u'one', u'two']", str(list1))
  121. self.assertEqual(b"[0, 1, 2, 3, u'one', u'two']", repr(list1))
  122. self.assertTrue(list1 < list3)
  123. self.assertTrue(list1 <= list3)
  124. self.assertFalse(list1 == list3)
  125. self.assertTrue(list1 != list3)
  126. self.assertFalse(list1 > list3)
  127. self.assertFalse(list1 >= list3)
  128. other1 = [0, 2, 3, 4]
  129. self.assertTrue(list1 < other1)
  130. self.assertTrue(list1 <= other1)
  131. self.assertFalse(list1 == other1)
  132. self.assertTrue(list1 != other1)
  133. self.assertFalse(list1 > other1)
  134. self.assertFalse(list1 >= other1)
  135. other2 = [0, 0, 1, 2]
  136. self.assertFalse(list1 < other2)
  137. self.assertFalse(list1 <= other2)
  138. self.assertFalse(list1 == other2)
  139. self.assertTrue(list1 != other2)
  140. self.assertTrue(list1 > other2)
  141. self.assertTrue(list1 >= other2)
  142. other3 = [0, 1, 2, 3, "one", "two"]
  143. self.assertFalse(list1 < other3)
  144. self.assertTrue(list1 <= other3)
  145. self.assertTrue(list1 == other3)
  146. self.assertFalse(list1 != other3)
  147. self.assertFalse(list1 > other3)
  148. self.assertTrue(list1 >= other3)
  149. self.assertTrue(bool(list1))
  150. self.assertFalse(bool(list2))
  151. self.assertEqual(6, len(list1))
  152. self.assertEqual(0, len(list2))
  153. out = []
  154. for obj in list1:
  155. out.append(obj)
  156. self.assertEqual([0, 1, 2, 3, "one", "two"], out)
  157. out = []
  158. for ch in list2:
  159. out.append(ch)
  160. self.assertEqual([], out)
  161. gen1 = iter(list1)
  162. out = []
  163. for i in range(len(list1)):
  164. out.append(next(gen1))
  165. self.assertRaises(StopIteration, next, gen1)
  166. self.assertEqual([0, 1, 2, 3, "one", "two"], out)
  167. gen2 = iter(list2)
  168. self.assertRaises(StopIteration, next, gen2)
  169. self.assertEqual(["two", "one", 3, 2, 1, 0], list(reversed(list1)))
  170. self.assertEqual([], list(reversed(list2)))
  171. self.assertTrue("one" in list1)
  172. self.assertTrue(3 in list1)
  173. self.assertFalse(10 in list1)
  174. self.assertFalse(0 in list2)
  175. self.assertEqual([], list2 * 5)
  176. self.assertEqual([], 5 * list2)
  177. self.assertEqual([0, 1, 2, 0, 1, 2, 0, 1, 2], list4 * 3)
  178. self.assertEqual([0, 1, 2, 0, 1, 2, 0, 1, 2], 3 * list4)
  179. list4 *= 2
  180. self.assertEqual([0, 1, 2, 0, 1, 2], list4)
  181. def _test_list_methods(self, builder):
  182. """Run tests on the public methods of a list built with *builder*."""
  183. list1 = builder(range(5))
  184. list2 = builder(["foo"])
  185. list3 = builder([("a", 5), ("d", 2), ("b", 8), ("c", 3)])
  186. list1.append(5)
  187. list1.append(1)
  188. list1.append(2)
  189. self.assertEqual([0, 1, 2, 3, 4, 5, 1, 2], list1)
  190. self.assertEqual(0, list1.count(6))
  191. self.assertEqual(2, list1.count(1))
  192. list1.extend(range(5, 8))
  193. self.assertEqual([0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 7], list1)
  194. self.assertEqual(1, list1.index(1))
  195. self.assertEqual(6, list1.index(1, 3))
  196. self.assertEqual(6, list1.index(1, 3, 7))
  197. self.assertRaises(ValueError, list1.index, 1, 3, 5)
  198. list1.insert(0, -1)
  199. self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 7], list1)
  200. list1.insert(-1, 6.5)
  201. self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5, 7], list1)
  202. list1.insert(13, 8)
  203. self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5, 7, 8], list1)
  204. self.assertEqual(8, list1.pop())
  205. self.assertEqual(7, list1.pop())
  206. self.assertEqual([-1, 0, 1, 2, 3, 4, 5, 1, 2, 5, 6, 6.5], list1)
  207. self.assertEqual(-1, list1.pop(0))
  208. self.assertEqual(5, list1.pop(5))
  209. self.assertEqual(6.5, list1.pop(-1))
  210. self.assertEqual([0, 1, 2, 3, 4, 1, 2, 5, 6], list1)
  211. self.assertEqual("foo", list2.pop())
  212. self.assertRaises(IndexError, list2.pop)
  213. self.assertEqual([], list2)
  214. list1.remove(6)
  215. self.assertEqual([0, 1, 2, 3, 4, 1, 2, 5], list1)
  216. list1.remove(1)
  217. self.assertEqual([0, 2, 3, 4, 1, 2, 5], list1)
  218. list1.remove(1)
  219. self.assertEqual([0, 2, 3, 4, 2, 5], list1)
  220. self.assertRaises(ValueError, list1.remove, 1)
  221. list1.reverse()
  222. self.assertEqual([5, 2, 4, 3, 2, 0], list1)
  223. list1.sort()
  224. self.assertEqual([0, 2, 2, 3, 4, 5], list1)
  225. list1.sort(reverse=True)
  226. self.assertEqual([5, 4, 3, 2, 2, 0], list1)
  227. if not py3k:
  228. func = lambda x, y: abs(3 - x) - abs(3 - y) # Distance from 3
  229. list1.sort(cmp=func)
  230. self.assertEqual([3, 4, 2, 2, 5, 0], list1)
  231. list1.sort(cmp=func, reverse=True)
  232. self.assertEqual([0, 5, 4, 2, 2, 3], list1)
  233. list3.sort(key=lambda i: i[1])
  234. self.assertEqual([("d", 2), ("c", 3), ("a", 5), ("b", 8)], list3)
  235. list3.sort(key=lambda i: i[1], reverse=True)
  236. self.assertEqual([("b", 8), ("a", 5), ("c", 3), ("d", 2)], list3)
  237. def test_docs(self):
  238. """make sure the methods of SmartList/_ListProxy have docstrings"""
  239. methods = ["append", "count", "extend", "index", "insert", "pop",
  240. "remove", "reverse", "sort"]
  241. for meth in methods:
  242. expected = getattr(list, meth).__doc__
  243. smartlist_doc = getattr(SmartList, meth).__doc__
  244. listproxy_doc = getattr(_ListProxy, meth).__doc__
  245. self.assertEqual(expected, smartlist_doc)
  246. self.assertEqual(expected, listproxy_doc)
  247. def test_doctest(self):
  248. """make sure the test embedded in SmartList's docstring passes"""
  249. parent = SmartList([0, 1, 2, 3])
  250. self.assertEqual([0, 1, 2, 3], parent)
  251. child = parent[2:]
  252. self.assertEqual([2, 3], child)
  253. child.append(4)
  254. self.assertEqual([2, 3, 4], child)
  255. self.assertEqual([0, 1, 2, 3, 4], parent)
  256. def test_parent_get_set_del(self):
  257. """make sure SmartList's getitem/setitem/delitem work"""
  258. self._test_get_set_del_item(SmartList)
  259. def test_parent_add(self):
  260. """make sure SmartList's add/radd/iadd work"""
  261. self._test_add_radd_iadd(SmartList)
  262. def test_parent_unaffected_magics(self):
  263. """sanity checks against SmartList features that were not modified"""
  264. self._test_other_magic_methods(SmartList)
  265. def test_parent_methods(self):
  266. """make sure SmartList's non-magic methods work, like append()"""
  267. self._test_list_methods(SmartList)
  268. def test_child_get_set_del(self):
  269. """make sure _ListProxy's getitem/setitem/delitem work"""
  270. self._test_get_set_del_item(lambda L: SmartList(list(L))[:])
  271. self._test_get_set_del_item(lambda L: SmartList([999] + list(L))[1:])
  272. self._test_get_set_del_item(lambda L: SmartList(list(L) + [999])[:-1])
  273. builder = lambda L: SmartList([101, 102] + list(L) + [201, 202])[2:-2]
  274. self._test_get_set_del_item(builder)
  275. def test_child_add(self):
  276. """make sure _ListProxy's add/radd/iadd work"""
  277. self._test_add_radd_iadd(lambda L: SmartList(list(L))[:])
  278. self._test_add_radd_iadd(lambda L: SmartList([999] + list(L))[1:])
  279. self._test_add_radd_iadd(lambda L: SmartList(list(L) + [999])[:-1])
  280. builder = lambda L: SmartList([101, 102] + list(L) + [201, 202])[2:-2]
  281. self._test_add_radd_iadd(builder)
  282. def test_child_other_magics(self):
  283. """make sure _ListProxy's other magically implemented features work"""
  284. self._test_other_magic_methods(lambda L: SmartList(list(L))[:])
  285. self._test_other_magic_methods(lambda L: SmartList([999] + list(L))[1:])
  286. self._test_other_magic_methods(lambda L: SmartList(list(L) + [999])[:-1])
  287. builder = lambda L: SmartList([101, 102] + list(L) + [201, 202])[2:-2]
  288. self._test_other_magic_methods(builder)
  289. def test_child_methods(self):
  290. """make sure _ListProxy's non-magic methods work, like append()"""
  291. self._test_list_methods(lambda L: SmartList(list(L))[:])
  292. self._test_list_methods(lambda L: SmartList([999] + list(L))[1:])
  293. self._test_list_methods(lambda L: SmartList(list(L) + [999])[:-1])
  294. builder = lambda L: SmartList([101, 102] + list(L) + [201, 202])[2:-2]
  295. self._test_list_methods(builder)
  296. def test_influence(self):
  297. """make sure changes are propagated from parents to children"""
  298. parent = SmartList([0, 1, 2, 3, 4, 5])
  299. child1 = parent[2:]
  300. child2 = parent[2:5]
  301. parent.append(6)
  302. child1.append(7)
  303. child2.append(4.5)
  304. self.assertEqual([0, 1, 2, 3, 4, 4.5, 5, 6, 7], parent)
  305. self.assertEqual([2, 3, 4, 4.5, 5, 6, 7], child1)
  306. self.assertEqual([2, 3, 4, 4.5], child2)
  307. parent.insert(0, -1)
  308. parent.insert(4, 2.5)
  309. parent.insert(10, 6.5)
  310. self.assertEqual([-1, 0, 1, 2, 2.5, 3, 4, 4.5, 5, 6, 6.5, 7], parent)
  311. self.assertEqual([2, 2.5, 3, 4, 4.5, 5, 6, 6.5, 7], child1)
  312. self.assertEqual([2, 2.5, 3, 4, 4.5], child2)
  313. self.assertEqual(7, parent.pop())
  314. self.assertEqual(6.5, child1.pop())
  315. self.assertEqual(4.5, child2.pop())
  316. self.assertEqual([-1, 0, 1, 2, 2.5, 3, 4, 5, 6], parent)
  317. self.assertEqual([2, 2.5, 3, 4, 5, 6], child1)
  318. self.assertEqual([2, 2.5, 3, 4], child2)
  319. parent.remove(-1)
  320. child1.remove(2.5)
  321. self.assertEqual([0, 1, 2, 3, 4, 5, 6], parent)
  322. self.assertEqual([2, 3, 4, 5, 6], child1)
  323. self.assertEqual([2, 3, 4], child2)
  324. self.assertEqual(0, parent.pop(0))
  325. self.assertEqual([1, 2, 3, 4, 5, 6], parent)
  326. self.assertEqual([2, 3, 4, 5, 6], child1)
  327. self.assertEqual([2, 3, 4], child2)
  328. child2.reverse()
  329. self.assertEqual([1, 4, 3, 2, 5, 6], parent)
  330. self.assertEqual([4, 3, 2, 5, 6], child1)
  331. self.assertEqual([4, 3, 2], child2)
  332. parent.extend([7, 8])
  333. child1.extend([8.1, 8.2])
  334. child2.extend([1.9, 1.8])
  335. self.assertEqual([1, 4, 3, 2, 1.9, 1.8, 5, 6, 7, 8, 8.1, 8.2], parent)
  336. self.assertEqual([4, 3, 2, 1.9, 1.8, 5, 6, 7, 8, 8.1, 8.2], child1)
  337. self.assertEqual([4, 3, 2, 1.9, 1.8], child2)
  338. if __name__ == "__main__":
  339. unittest.main(verbosity=2)