wxPython/wx/py/tests/test_introspect.py

   1 #!/usr/bin/env python
   2
   3 __author__ = "Patrick K. O'Brien <pobrien@orbtech.com>"
   4 __cvsid__ = "$Id$"
   5 __revision__ = "$Revision$"[11:-2]
   6
   7 import unittest
   8
   9 # Import from this module's parent directory.
  10 import os
  11 import sys
  12 sys.path.insert(0, os.pardir)
  13 import introspect
  14 del sys.path[0]
  15 del sys
  16 del os
  17
  18
  19 """
  20 These unittest methods are preferred:
  21 -------------------------------------
  22 self.assert_(expr, msg=None)
  23 self.assertEqual(first, second, msg=None)
  24 self.assertRaises(excClass, callableObj, *args, **kwargs)
  25 self.fail(msg=None)
  26 self.failIf(expr, msg=None)
  27 """
  28
  29
  30 class ModuleTestCase(unittest.TestCase):
  31
  32     def test_module(self):
  33         module = introspect
  34         self.assert_(module.__author__)
  35         self.assert_(module.__cvsid__)
  36         self.assert_(module.__revision__)
  37         self.assert_(module.getAllAttributeNames)
  38         self.assert_(module.getAttributeNames)
  39         self.assert_(module.getAutoCompleteList)
  40         self.assert_(module.getBaseObject)
  41         self.assert_(module.getCallTip)
  42         self.assert_(module.getConstructor)
  43         self.assert_(module.getRoot)
  44         self.assert_(module.rtrimTerminus)
  45
  46
  47 class RtrimTerminusTestCase(unittest.TestCase):
  48
  49     def test_rtrimTerminus(self):
  50         values = (
  51             ('', '', ''),
  52             ('', None, ''),
  53             ('', '.', ''),
  54             ('', '(', ''),
  55
  56             ('.', '', '.'),
  57             ('.', None, '.'),
  58             ('.', '.', '.'),
  59             ('.', '(', '.'),
  60
  61             ('(', '', '('),
  62             ('(', None, '('),
  63             ('(', '.', '('),
  64             ('(', '(', '('),
  65
  66             ('spam', '', 'spam'),
  67             ('spam', None, 'spam'),
  68             ('spam', '.', 'spam'),
  69             ('spam', '(', 'spam'),
  70
  71             ('spam.', '', 'spam.'),
  72             ('spam.', None, 'spam.'),
  73             ('spam.', '.', 'spam.'),
  74             ('spam.', '(', 'spam.'),
  75
  76             ('spam(', '', 'spam('),
  77             ('spam(', None, 'spam('),
  78             ('spam(', '.', 'spam('),
  79             ('spam(', '(', 'spam('),
  80
  81             ('spam.eggs', '.', 'spam.'),
  82             ('spam.eggs.', '.', 'spam.eggs.'),
  83             ('spam.eggs(', '(', 'spam.eggs('),
  84             ('spam.eggs.', '(', 'spam.eggs.'),
  85             ('spam.eggs(', '.', 'spam.'),
  86
  87             ('x = spam.', '.', 'x = spam.'),
  88             ('x = spam.eggs', '.', 'x = spam.'),
  89             ('x = spam.eggs.', '.', 'x = spam.eggs.'),
  90             ('x = spam.eggs(', '(', 'x = spam.eggs('),
  91         )
  92         for input, terminator, output in values:
  93             result = introspect.rtrimTerminus(input, terminator)
  94             self.assertEqual(result, output,
  95                              ':in: %r :t: %r :out: %r :result: %r' %
  96                              (input, terminator, output, result))
  97
  98
  99 class GetRootTestCase(unittest.TestCase):
 100
 101     def _checkRoot(self, input, terminator, output):
 102         root = introspect.getRoot(command=input, terminator=terminator)
 103         self.assertEqual(root, output,
 104                          ':in: %r :t: %r :out: %r :root: %r' %
 105                          (input, terminator, output, root))
 106
 107     def test_getRoot(self):
 108         values = (
 109             ('', '', ''),
 110             ('', None, ''),
 111             ('', '.', ''),
 112             ('', '(', ''),
 113
 114             ('.', '', '.'),
 115             ('.', None, '.'),
 116             ('.', '.', ''),
 117             ('.', '(', '.'),
 118
 119             ('(', '', ''),
 120             ('(', None, ''),
 121             ('(', '.', ''),
 122             ('(', '(', ''),
 123
 124             ('spam', '', 'spam'),
 125             ('spam', None, 'spam'),
 126             ('spam', '.', ''),
 127             ('spam', '(', 'spam'),
 128
 129             ('spam.', '', 'spam.'),
 130             ('spam.', None, 'spam.'),
 131             ('spam.', '.', 'spam'),
 132             ('spam.', '(', 'spam.'),
 133
 134             ('spam(', '', ''),
 135             ('spam(', None, ''),
 136             ('spam(', '.', ''),
 137             ('spam(', '(', 'spam'),
 138
 139             ('spam.eggs', '.', 'spam'),
 140             ('spam.eggs.', '.', 'spam.eggs'),
 141             ('spam.eggs(', '(', 'spam.eggs'),
 142             ('spam.eggs.', '(', 'spam.eggs.'),
 143             ('spam.eggs(', '.', 'spam'),
 144
 145             ('x = spam.', '.', 'spam'),
 146             ('x = spam.eggs', '.', 'spam'),
 147             ('x = spam.eggs.', '.', 'spam.eggs'),
 148             ('x = spam.eggs(', '(', 'spam.eggs'),
 149
 150             ('for n in range(3):\n    d.', '.', 'd'),
 151             ('for n in range(3):\n...    d.', '.', 'd'),
 152         )
 153         for input, terminator, output in values:
 154             self._checkRoot(input, terminator, output)
 155
 156     def test_getRoot_Advanced(self):
 157         values = (
 158             ('spam_', '', 'spam_'),
 159             ('spam_', None, 'spam_'),
 160             ('spam_', '.', ''),
 161             ('spam_', '(', 'spam_'),
 162
 163             ('_spam', '', '_spam'),
 164             ('_spam', None, '_spam'),
 165             ('_spam', '.', ''),
 166             ('_spam', '(', '_spam'),
 167
 168             ('spam_eggs', '', 'spam_eggs'),
 169             ('spam_eggs', None, 'spam_eggs'),
 170             ('spam_eggs', '.', ''),
 171             ('spam_eggs', '(', 'spam_eggs'),
 172
 173             ('spam123', '', 'spam123'),
 174             ('spam123', None, 'spam123'),
 175             ('spam123', '.', ''),
 176             ('spam123', '(', 'spam123'),
 177
 178             ('spam_123', '', 'spam_123'),
 179             ('spam_123', None, 'spam_123'),
 180             ('spam_123', '.', ''),
 181             ('spam_123', '(', 'spam_123'),
 182         )
 183         for input, terminator, output in values:
 184             self._checkRoot(input, terminator, output)
 185
 186 ## The original intent was to detect when we were inside a string.
 187 ## That has proven to be very difficult, for little benefit.
 188 ## The fact that autocomplete or calltips might be triggered inside
 189 ## a string is not a big deal. Sometimes it is even helpful.
 190
 191 ##    def test_getRoot_InsideStrings(self):
 192 ##        values = (
 193 ##            ('x = ".', '.', ''),
 194 ##            ("x = '.", '.', ''),
 195 ##            ('x = """.', '.', ''),
 196 ##            ("x = '''.", '.', ''),
 197 ##
 198 ##            ('x = "(', '(', ''),
 199 ##            ("x = '(", '(', ''),
 200 ##            ('x = """(', '(', ''),
 201 ##            ("x = '''(", '(', ''),
 202 ##
 203 ##            ('x = "spam', '.', ''),
 204 ##            ('x = "spam.', '.', ''),
 205 ##            ("x = 'spam.", '.', ''),
 206 ##            ('x = """spam.', '.', ''),
 207 ##            ("x = '''spam.", '.', ''),
 208 ##
 209 ##            ('x = "spam', '(', ''),
 210 ##            ('x = "spam(', '(', ''),
 211 ##            ("x = 'spam(", '(', ''),
 212 ##            ('x = """spam(', '(', ''),
 213 ##            ("x = '''spam(", '(', ''),
 214 ##
 215 ##            ('x = "spam.eggs.', '.', ''),
 216 ##            ("x = 'spam.eggs.", '.', ''),
 217 ##            ('x = """spam.eggs.', '.', ''),
 218 ##            ("x = '''spam.eggs.", '.', ''),
 219 ##
 220 ##            ('x = "spam.eggs(', '(', ''),
 221 ##            ("x = 'spam.eggs(", '(', ''),
 222 ##            ('x = """spam.eggs(', '(', ''),
 223 ##            ("x = '''spam.eggs(", '(', ''),
 224 ##        )
 225 ##        for input, terminator, output in values:
 226 ##            self._checkRoot(input, terminator, output)
 227
 228     def test_getRoot_EmptyTypes(self):
 229         values = (
 230             ("''.", '.', "''"),
 231             ('"".', '.', '""'),
 232             ('"""""".', '.', '""""""'),
 233             ("''''''.", '.', "''''''"),
 234
 235             ('[].', '.', '[]'),
 236             ('().', '.', '()'),
 237             ('{}.', '.', '{}'),
 238
 239             ('[](', '(', '[]'),
 240             ('()(', '(', '()'),
 241             ('{}(', '(', '{}'),
 242
 243             ("x = ''.", '.', "''"),
 244             ('x = "".', '.', '""'),
 245             ('x = """""".', '.', '""""""'),
 246             ("x = ''''''.", '.', "''''''"),
 247
 248             ('x = [].', '.', '[]'),
 249             ('x = ().', '.', '()'),
 250             ('x = {}.', '.', '{}'),
 251
 252             ('x = [](', '(', '[]'),
 253             ('x = ()(', '(', '()'),
 254             ('x = {}(', '(', '{}'),
 255
 256             ('print [].', '.', '[]'),
 257             ('print ().', '.', '()'),
 258             ('print {}.', '.', '{}'),
 259
 260             ('print [](', '(', '[]'),
 261             ('print ()(', '(', '()'),
 262             ('print {}(', '(', '{}'),
 263
 264             ("''.attr.", '.', "''.attr"),
 265             ('"".attr.', '.', '"".attr'),
 266             ('"""""".attr.', '.', '"""""".attr'),
 267             ("''''''.attr.", '.', "''''''.attr"),
 268
 269             ('[].attr.', '.', '[].attr'),
 270             ('().attr.', '.', '().attr'),
 271             ('{}.attr.', '.', '{}.attr'),
 272
 273             ('[].attr(', '(', '[].attr'),
 274             ('().attr(', '(', '().attr'),
 275             ('{}.attr(', '(', '{}.attr'),
 276
 277             ('spam().', '.', ''),
 278             ('spam_().', '.', ''),
 279             ('spam5().', '.', ''),
 280             ('spam[]().', '.', ''),
 281             ('spam()[].', '.', ''),
 282             ('spam[]{}.', '.', ''),
 283
 284             ("spam(''.", '.', "''"),
 285             ('spam("".', '.', '""'),
 286             ('spam("""""".', '.', '""""""'),
 287             ("spam(''''''.", '.', "''''''"),
 288
 289             ('spam([].', '.', '[]'),
 290             ('spam(().', '.', '()'),
 291             ('spam({}.', '.', '{}'),
 292             ('spam[[].', '.', '[]'),
 293             ('spam[().', '.', '()'),
 294             ('spam[{}.', '.', '{}'),
 295             ('x = {[].', '.', '[]'),
 296             ('x = {().', '.', '()'),
 297             ('x = {{}.', '.', '{}'),
 298
 299             ('spam,[].', '.', '[]'),
 300             ('spam+[].', '.', '[]'),
 301             ('spam-[].', '.', '[]'),
 302             ('spam*[].', '.', '[]'),
 303             ('spam/[].', '.', '[]'),
 304             ('spam=[].', '.', '[]'),
 305             ('spam%[].', '.', '[]'),
 306             ('spam<[].', '.', '[]'),
 307             ('spam>[].', '.', '[]'),
 308             ('spam&[].', '.', '[]'),
 309             ('spam|[].', '.', '[]'),
 310             ('spam^[].', '.', '[]'),
 311             ('spam~[].', '.', '[]'),
 312             ('spam:[].', '.', '[]'),
 313
 314             ('spam,().', '.', '()'),
 315             ('spam+().', '.', '()'),
 316             ('spam-().', '.', '()'),
 317             ('spam*().', '.', '()'),
 318             ('spam/().', '.', '()'),
 319             ('spam=().', '.', '()'),
 320             ('spam%().', '.', '()'),
 321             ('spam<().', '.', '()'),
 322             ('spam>().', '.', '()'),
 323             ('spam&().', '.', '()'),
 324             ('spam|().', '.', '()'),
 325             ('spam^().', '.', '()'),
 326             ('spam~().', '.', '()'),
 327             ('spam:().', '.', '()'),
 328
 329             ('spam,{}.', '.', '{}'),
 330             ('spam+{}.', '.', '{}'),
 331             ('spam-{}.', '.', '{}'),
 332             ('spam*{}.', '.', '{}'),
 333             ('spam/{}.', '.', '{}'),
 334             ('spam={}.', '.', '{}'),
 335             ('spam%{}.', '.', '{}'),
 336             ('spam<{}.', '.', '{}'),
 337             ('spam>{}.', '.', '{}'),
 338             ('spam&{}.', '.', '{}'),
 339             ('spam|{}.', '.', '{}'),
 340             ('spam^{}.', '.', '{}'),
 341             ('spam~{}.', '.', '{}'),
 342             ('spam:{}.', '.', '{}'),
 343         )
 344         for input, terminator, output in values:
 345             self._checkRoot(input, terminator, output)
 346
 347
 348 # Support for GetBaseObjectTestCase and GetAttributeNamesTestCase.
 349
 350 class Foo:
 351     def __init__(self):
 352         pass
 353
 354     def __del__(self):
 355         pass
 356
 357     def _private(self):
 358         pass
 359
 360 class Bar:
 361     pass
 362
 363 class Spam:
 364     def __call__(self):
 365         pass
 366
 367     def foo(self):
 368         pass
 369
 370     def bar(spam):
 371         # It shouldn't matter what we call "self".
 372         pass
 373
 374     def eggs(self):
 375         pass
 376
 377 def ham(eggs):
 378     pass
 379
 380 class GetBaseObjectTestCase(unittest.TestCase):
 381
 382     def test_getBaseObject(self):
 383         spam = Spam()
 384         eggs = Spam.eggs
 385         listappend = [].append
 386         spamda = lambda: None
 387         values = (
 388             ('spam', 'spam', 0),
 389             (123, 123, 0),
 390             (12.3, 12.3, 0),
 391             ([], [], 0),
 392             ((), (), 0),
 393             ({}, {}, 0),
 394             # Builtin function.
 395             (len, len, 0),
 396             # Builtin method.
 397             (listappend, listappend, 0),
 398             # User function.
 399             (ham, ham, 0),
 400             # Byte-compiled code.
 401             (ham.func_code, ham.func_code, 0),
 402             # Lambda.
 403             (spamda, spamda, 0),
 404             # Class with init.
 405             (Foo, Foo.__init__.im_func, 1),
 406             # Class with no init.
 407             (Bar, Bar, 0),
 408             # Bound method.
 409             (spam.foo, spam.foo.im_func, 1),
 410             # Bound method with self named something else (spam).
 411             (spam.bar, spam.bar.im_func, 1),
 412             # Unbound method. (Do not drop the self argument.)
 413             (eggs, eggs.im_func, 0),
 414             # Callable instance.
 415             (spam, spam.__call__.im_func, 1),
 416         )
 417         for object, baseObject, dropSelf in values:
 418             result = introspect.getBaseObject(object)
 419             self.assertEqual(result, (baseObject, dropSelf))
 420
 421
 422 class GetAttributeTestCase(unittest.TestCase):
 423     """Base class for other test case classes."""
 424
 425     def setUp(self):
 426         self.values = (
 427             '__abs__',
 428             '__add__',
 429             '__and__',
 430             '__base__',
 431             '__bases__',
 432             '__basicsize__',
 433             '__builtins__',
 434             '__call__',
 435             '__class__',
 436             '__cmp__',
 437             '__coerce__',
 438             '__contains__',
 439             '__del__',
 440             '__delattr__',
 441             '__delitem__',
 442             '__delslice__',
 443             '__dict__',
 444             '__dictoffset__',
 445             '__div__',
 446             '__divmod__',
 447             '__doc__',
 448             '__eq__',
 449             '__file__',
 450             '__flags__',
 451             '__float__',
 452             '__floordiv__',
 453             '__ge__',
 454             '__get__',
 455             '__getattr__',
 456             '__getattribute__',
 457             '__getitem__',
 458             '__getslice__',
 459             '__gt__',
 460             '__hash__',
 461             '__hex__',
 462             '__iadd__',
 463             '__imul__',
 464             '__init__',
 465             '__int__',
 466             '__invert__',
 467             '__itemsize__',
 468             '__iter__',
 469             '__le__',
 470             '__len__',
 471             '__long__',
 472             '__lshift__',
 473             '__lt__',
 474             '__mod__',
 475             '__module__',
 476             '__mro__',
 477             '__mul__',
 478             '__name__',
 479             '__ne__',
 480             '__neg__',
 481             '__new__',
 482             '__nonzero__',
 483             '__oct__',
 484             '__or__',
 485             '__path__',
 486             '__pos__',
 487             '__pow__',
 488             '__radd__',
 489             '__rand__',
 490             '__rdiv__',
 491             '__rdivmod__',
 492             '__reduce__',
 493             '__repr__',
 494             '__rfloordiv__',
 495             '__rlshift__',
 496             '__rmod__',
 497             '__rmul__',
 498             '__ror__',
 499             '__rpow__',
 500             '__rrshift__',
 501             '__rshift__',
 502             '__rsub__',
 503             '__rtruediv__',
 504             '__rxor__',
 505             '__self__',
 506             '__setattr__',
 507             '__setitem__',
 508             '__setslice__',
 509             '__str__',
 510             '__sub__',
 511             '__subclasses__',
 512             '__truediv__',
 513             '__warningregistry__',
 514             '__weakrefoffset__',
 515             '__xor__',
 516             'append',
 517             'capitalize',
 518             'center',
 519             'clear',
 520             'close',
 521             'closed',
 522             'co_argcount',
 523             'co_cellvars',
 524             'co_code',
 525             'co_consts',
 526             'co_filename',
 527             'co_firstlineno',
 528             'co_flags',
 529             'co_freevars',
 530             'co_lnotab',
 531             'co_name',
 532             'co_names',
 533             'co_nlocals',
 534             'co_stacksize',
 535             'co_varnames',
 536             'conjugate',
 537             'copy',
 538             'count',
 539             'decode',
 540             'encode',
 541             'endswith',
 542             'expandtabs',
 543             'extend',
 544             'fileno',
 545             'find',
 546             'flush',
 547             'func_closure',
 548             'func_code',
 549             'func_defaults',
 550             'func_dict',
 551             'func_doc',
 552             'func_globals',
 553             'func_name',
 554             'get',
 555             'has_key',
 556             'im_class',
 557             'im_func',
 558             'im_self',
 559             'imag',
 560             'index',
 561             'insert',
 562             'isalnum',
 563             'isalpha',
 564             'isatty',
 565             'isdigit',
 566             'islower',
 567             'isspace',
 568             'istitle',
 569             'isupper',
 570             'items',
 571             'iteritems',
 572             'iterkeys',
 573             'itervalues',
 574             'join',
 575             'keys',
 576             'ljust',
 577             'lower',
 578             'lstrip',
 579             'mode',
 580             'mro',
 581             'name',
 582             'pop',
 583             'popitem',
 584             'real',
 585             'read',
 586             'readinto',
 587             'readline',
 588             'readlines',
 589             'remove',
 590             'replace',
 591             'reverse',
 592             'rfind',
 593             'rindex',
 594             'rjust',
 595             'rstrip',
 596             'seek',
 597             'setdefault',
 598             'softspace',
 599             'sort',
 600             'split',
 601             'splitlines',
 602             'start',
 603             'startswith',
 604             'step',
 605             'stop',
 606             'strip',
 607             'swapcase',
 608             'tell',
 609             'title',
 610             'tolist',
 611             'translate',
 612             'truncate',
 613             'update',
 614             'upper',
 615             'values',
 616             'write',
 617             'writelines',
 618             'xreadlines',
 619         )
 620
 621 # Since getAllAttributeNames() calls str(object),
 622 # we need to test for a broken __str__ method.
 623 class BrokenStr:
 624     def __str__(self):
 625         raise Exception
 626
 627 brokenStr = BrokenStr()
 628
 629 class GetAttributeNamesTestCase(GetAttributeTestCase):
 630
 631     def setUp(self):
 632         GetAttributeTestCase.setUp(self)
 633         import PyCrust
 634         spam = Spam()
 635         self.f = open('test_introspect.py')
 636         self.items = (
 637             None,
 638             int(123),
 639             long(123),
 640             float(123),
 641             complex(123),
 642             "",
 643             unicode(""),
 644             [],
 645             (),
 646             xrange(0),
 647             {},
 648             # Builtin function.
 649             len,
 650             # Builtin method.
 651             [].append,
 652             # User function.
 653             ham,
 654             # Byte-compiled code.
 655             ham.func_code,
 656             # Lambda.
 657             lambda: None,
 658             # Class with no init.
 659             Bar,
 660             # Instance with no init.
 661             Bar(),
 662             # Class with init and del.
 663             Foo,
 664             # Instance with init and del.
 665             Foo(),
 666             # Bound method.
 667             spam.foo,
 668             # Unbound method.
 669             Spam.eggs,
 670             # Callable instance.
 671             spam,
 672             # Module.
 673             introspect,
 674             # Package.
 675             PyCrust,
 676             # Buffer.
 677             buffer(''),
 678             # File.
 679             self.f,
 680             # Slice.
 681             slice(0),
 682             # Ellipsis.
 683             Ellipsis,
 684             # BrokenStr class.
 685             BrokenStr,
 686             # BrokenStr instance.
 687             brokenStr,
 688         )
 689
 690     def tearDown(self):
 691         self.items = None
 692         self.f.close()
 693
 694     def test_getAttributeNames(self):
 695         for item in self.items:
 696             self._checkAttributeNames(item)
 697         if __builtins__.has_key('object'):
 698             self._checkAttributeNames(object)
 699
 700     def test_getAttributeNames_NoSingle(self):
 701         for item in self.items:
 702             result = introspect.getAttributeNames(item, includeSingle=0)
 703             attributes = [attribute for attribute in result \
 704                           if attribute[0] != '_' or attribute[:2] == '__']
 705             self.assertEqual(result, attributes,
 706                              ':item: %r' % (item,))
 707
 708     def test_getAttributeNames_NoDouble(self):
 709         for item in self.items:
 710             result = introspect.getAttributeNames(item, includeDouble=0)
 711             attributes = [attribute for attribute in result \
 712                           if attribute[:2] != '__']
 713             self.assertEqual(result, attributes,
 714                              ':item: %r' % (item,))
 715
 716     def test_getAttributeNames_NoSingleOrDouble(self):
 717         for item in self.items:
 718             result = introspect.getAttributeNames(item, includeSingle=0,
 719                                                   includeDouble=0)
 720             attributes = [attribute for attribute in result \
 721                           if attribute[0] != '_']
 722             self.assertEqual(result, attributes,
 723                              ':item: %r' % (item,))
 724
 725     def _checkAttributeNames(self, item):
 726         result = introspect.getAttributeNames(item)
 727         attributes = [attribute for attribute in self.values \
 728                       if hasattr(item, attribute)]
 729         for attribute in attributes:
 730             self.assert_(attribute in result,
 731                          ':item: %r :attribute: %r' % (item, attribute))
 732
 733
 734 class GetAutoCompleteListTestCase(GetAttributeTestCase):
 735
 736     def setUp(self):
 737         GetAttributeTestCase.setUp(self)
 738         self.items = (
 739             'None.',
 740             '123 .',
 741             '"".',
 742             '[].',
 743             '().',
 744             '{}.',
 745             # Builtin function.
 746             'len.',
 747             # Builtin method.
 748             '[].append.',
 749         )
 750
 751     def test_getAutoCompleteList(self):
 752         for item in self.items:
 753             result = introspect.getAutoCompleteList(item)
 754             object = eval(item[:-1])
 755             attributes = [attribute for attribute in self.values \
 756                           if hasattr(object, attribute)]
 757             for attribute in attributes:
 758                 self.assert_(attribute in result,
 759                              ':item: %r :attribute: %r' % (item, attribute))
 760
 761     def test_getAutoCompleteList_NoSingle(self):
 762         for item in self.items:
 763             result = introspect.getAutoCompleteList(item, includeSingle=0)
 764             attributes = [attribute for attribute in result \
 765                           if attribute[0] != '_' or attribute[:2] == '__']
 766             self.assertEqual(result, attributes,
 767                              ':item: %r' % (item,))
 768
 769     def test_getAutoCompleteList_NoDouble(self):
 770         for item in self.items:
 771             result = introspect.getAutoCompleteList(item, includeDouble=0)
 772             attributes = [attribute for attribute in result \
 773                           if attribute[:2] != '__']
 774             self.assertEqual(result, attributes,
 775                              ':item: %r' % (item,))
 776
 777     def test_getAutoCompleteList_NoSingleOrDouble(self):
 778         for item in self.items:
 779             result = introspect.getAutoCompleteList(item, includeSingle=0,
 780                                                     includeDouble=0)
 781             attributes = [attribute for attribute in result \
 782                           if attribute[0] != '_']
 783             self.assertEqual(result, attributes,
 784                              ':item: %r' % (item,))
 785
 786
 787 # Support for GetConstructorTestCase.
 788
 789 class A1:
 790     def __init__(self, a):
 791         self.a = a
 792
 793 class B1(A1):
 794     def __init__(self, b):
 795         self.b = b
 796
 797 class C1(A1):
 798     pass
 799
 800 class D1(C1, B1):
 801     pass
 802
 803 if __builtins__.has_key('object'):
 804     class A2(object):
 805         def __init__(self, a):
 806             self.a = a
 807
 808     class B2(A2):
 809         def __init__(self, b):
 810             self.b = b
 811
 812     class C2(A2):
 813         pass
 814
 815     class D2(C2, B2):
 816         pass
 817
 818 class N:
 819     pass
 820
 821 class O:
 822     def __init__(self, a, b=2, *args, **kwargs):
 823         pass
 824
 825 class P(O):
 826     pass
 827
 828 class Q(P):
 829     def __init__(self, c, d=4):
 830         pass
 831
 832 class GetConstructorTestCase(unittest.TestCase):
 833
 834     def test_getConstructor(self):
 835         args = ('self', 'a', 'b', 'args', 'kwargs')
 836         varnames = introspect.getConstructor(O).func_code.co_varnames
 837         self.assertEqual(varnames, args)
 838         varnames = introspect.getConstructor(P).func_code.co_varnames
 839         self.assertEqual(varnames, args)
 840         args = ('self', 'c', 'd')
 841         varnames = introspect.getConstructor(Q).func_code.co_varnames
 842         self.assertEqual(varnames, args)
 843
 844     def test_getConstructor_None(self):
 845         values = (N, 1, 'spam', {}, [], (), dir)
 846         for value in values:
 847             self.assertEqual(introspect.getConstructor(N), None)
 848
 849     def test_getConstructor_MultipleInheritance(self):
 850         # Test old style inheritance rules.
 851         args = ('self', 'a')
 852         varnames = introspect.getConstructor(D1).func_code.co_varnames
 853         self.assertEqual(varnames, args)
 854         if __builtins__.has_key('object'):
 855             # Test new style inheritance rules as well.
 856             args = ('self', 'b')
 857             varnames = introspect.getConstructor(D2).func_code.co_varnames
 858             self.assertEqual(varnames, args)
 859
 860
 861 if __name__ == '__main__':
 862     unittest.main()