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1821 lines
66 KiB
1821 lines
66 KiB
5 years ago
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from pickle import dumps, loads, PicklingError, HIGHEST_PROTOCOL
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import sys
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import unittest
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pyver = float('%s.%s' % sys.version_info[:2])
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if pyver < 2.5:
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sys.path.insert(0, '.')
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import enum
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from enum import Enum, IntEnum, unique, EnumMeta
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if pyver < 2.6:
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from __builtin__ import enumerate as bltin_enumerate
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def enumerate(thing, start=0):
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result = []
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for i, item in bltin_enumerate(thing):
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i = i + start
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result.append((i, item))
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return result
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try:
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any
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except NameError:
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def any(iterable):
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for element in iterable:
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if element:
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return True
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return False
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try:
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unicode
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except NameError:
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unicode = str
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try:
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from collections import OrderedDict
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except ImportError:
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OrderedDict = None
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# for pickle tests
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try:
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class Stooges(Enum):
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LARRY = 1
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CURLY = 2
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MOE = 3
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except Exception:
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Stooges = sys.exc_info()[1]
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try:
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class IntStooges(int, Enum):
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LARRY = 1
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CURLY = 2
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MOE = 3
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except Exception:
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IntStooges = sys.exc_info()[1]
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try:
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class FloatStooges(float, Enum):
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LARRY = 1.39
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CURLY = 2.72
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MOE = 3.142596
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except Exception:
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FloatStooges = sys.exc_info()[1]
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# for pickle test and subclass tests
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try:
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class StrEnum(str, Enum):
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'accepts only string values'
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class Name(StrEnum):
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BDFL = 'Guido van Rossum'
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FLUFL = 'Barry Warsaw'
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except Exception:
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Name = sys.exc_info()[1]
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try:
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Question = Enum('Question', 'who what when where why', module=__name__)
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except Exception:
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Question = sys.exc_info()[1]
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try:
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Answer = Enum('Answer', 'him this then there because')
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except Exception:
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Answer = sys.exc_info()[1]
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try:
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Theory = Enum('Theory', 'rule law supposition', qualname='spanish_inquisition')
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except Exception:
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Theory = sys.exc_info()[1]
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# for doctests
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try:
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class Fruit(Enum):
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tomato = 1
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banana = 2
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cherry = 3
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except Exception:
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pass
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def test_pickle_dump_load(assertion, source, target=None,
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protocol=(0, HIGHEST_PROTOCOL)):
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start, stop = protocol
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failures = []
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for protocol in range(start, stop+1):
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try:
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if target is None:
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assertion(loads(dumps(source, protocol=protocol)) is source)
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else:
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assertion(loads(dumps(source, protocol=protocol)), target)
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except Exception:
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exc, tb = sys.exc_info()[1:]
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failures.append('%2d: %s' %(protocol, exc))
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if failures:
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raise ValueError('Failed with protocols: %s' % ', '.join(failures))
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def test_pickle_exception(assertion, exception, obj,
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protocol=(0, HIGHEST_PROTOCOL)):
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start, stop = protocol
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failures = []
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for protocol in range(start, stop+1):
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try:
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assertion(exception, dumps, obj, protocol=protocol)
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except Exception:
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exc = sys.exc_info()[1]
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failures.append('%d: %s %s' % (protocol, exc.__class__.__name__, exc))
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if failures:
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raise ValueError('Failed with protocols: %s' % ', '.join(failures))
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class TestHelpers(unittest.TestCase):
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# _is_descriptor, _is_sunder, _is_dunder
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def test_is_descriptor(self):
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class foo:
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pass
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for attr in ('__get__','__set__','__delete__'):
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obj = foo()
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self.assertFalse(enum._is_descriptor(obj))
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setattr(obj, attr, 1)
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self.assertTrue(enum._is_descriptor(obj))
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def test_is_sunder(self):
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for s in ('_a_', '_aa_'):
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self.assertTrue(enum._is_sunder(s))
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for s in ('a', 'a_', '_a', '__a', 'a__', '__a__', '_a__', '__a_', '_',
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'__', '___', '____', '_____',):
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self.assertFalse(enum._is_sunder(s))
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def test_is_dunder(self):
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for s in ('__a__', '__aa__'):
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self.assertTrue(enum._is_dunder(s))
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for s in ('a', 'a_', '_a', '__a', 'a__', '_a_', '_a__', '__a_', '_',
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'__', '___', '____', '_____',):
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self.assertFalse(enum._is_dunder(s))
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class TestEnum(unittest.TestCase):
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def setUp(self):
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class Season(Enum):
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SPRING = 1
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SUMMER = 2
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AUTUMN = 3
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WINTER = 4
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self.Season = Season
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class Konstants(float, Enum):
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E = 2.7182818
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PI = 3.1415926
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TAU = 2 * PI
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self.Konstants = Konstants
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class Grades(IntEnum):
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A = 5
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B = 4
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C = 3
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D = 2
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F = 0
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self.Grades = Grades
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class Directional(str, Enum):
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EAST = 'east'
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WEST = 'west'
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NORTH = 'north'
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SOUTH = 'south'
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self.Directional = Directional
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from datetime import date
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class Holiday(date, Enum):
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NEW_YEAR = 2013, 1, 1
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IDES_OF_MARCH = 2013, 3, 15
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self.Holiday = Holiday
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if pyver >= 3.0: # do not specify custom `dir` on previous versions
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def test_dir_on_class(self):
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Season = self.Season
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self.assertEqual(
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set(dir(Season)),
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set(['__class__', '__doc__', '__members__', '__module__',
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'SPRING', 'SUMMER', 'AUTUMN', 'WINTER']),
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)
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def test_dir_on_item(self):
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Season = self.Season
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self.assertEqual(
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set(dir(Season.WINTER)),
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set(['__class__', '__doc__', '__module__', 'name', 'value']),
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)
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def test_dir_with_added_behavior(self):
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class Test(Enum):
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this = 'that'
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these = 'those'
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def wowser(self):
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return ("Wowser! I'm %s!" % self.name)
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self.assertEqual(
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set(dir(Test)),
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set(['__class__', '__doc__', '__members__', '__module__', 'this', 'these']),
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)
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self.assertEqual(
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set(dir(Test.this)),
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set(['__class__', '__doc__', '__module__', 'name', 'value', 'wowser']),
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)
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def test_dir_on_sub_with_behavior_on_super(self):
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# see issue22506
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class SuperEnum(Enum):
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def invisible(self):
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return "did you see me?"
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class SubEnum(SuperEnum):
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sample = 5
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self.assertEqual(
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set(dir(SubEnum.sample)),
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set(['__class__', '__doc__', '__module__', 'name', 'value', 'invisible']),
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)
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if pyver >= 2.7: # OrderedDict first available here
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def test_members_is_ordereddict_if_ordered(self):
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class Ordered(Enum):
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__order__ = 'first second third'
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first = 'bippity'
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second = 'boppity'
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third = 'boo'
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self.assertTrue(type(Ordered.__members__) is OrderedDict)
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def test_members_is_ordereddict_if_not_ordered(self):
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class Unordered(Enum):
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this = 'that'
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these = 'those'
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self.assertTrue(type(Unordered.__members__) is OrderedDict)
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if pyver >= 3.0: # all objects are ordered in Python 2.x
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def test_members_is_always_ordered(self):
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class AlwaysOrdered(Enum):
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first = 1
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second = 2
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third = 3
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self.assertTrue(type(AlwaysOrdered.__members__) is OrderedDict)
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def test_comparisons(self):
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def bad_compare():
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Season.SPRING > 4
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Season = self.Season
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self.assertNotEqual(Season.SPRING, 1)
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self.assertRaises(TypeError, bad_compare)
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class Part(Enum):
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SPRING = 1
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CLIP = 2
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BARREL = 3
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self.assertNotEqual(Season.SPRING, Part.SPRING)
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def bad_compare():
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Season.SPRING < Part.CLIP
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self.assertRaises(TypeError, bad_compare)
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def test_enum_in_enum_out(self):
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Season = self.Season
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self.assertTrue(Season(Season.WINTER) is Season.WINTER)
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def test_enum_value(self):
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Season = self.Season
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self.assertEqual(Season.SPRING.value, 1)
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def test_intenum_value(self):
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self.assertEqual(IntStooges.CURLY.value, 2)
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|
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def test_enum(self):
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Season = self.Season
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lst = list(Season)
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self.assertEqual(len(lst), len(Season))
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self.assertEqual(len(Season), 4, Season)
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self.assertEqual(
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[Season.SPRING, Season.SUMMER, Season.AUTUMN, Season.WINTER], lst)
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for i, season in enumerate('SPRING SUMMER AUTUMN WINTER'.split()):
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i += 1
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e = Season(i)
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self.assertEqual(e, getattr(Season, season))
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self.assertEqual(e.value, i)
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self.assertNotEqual(e, i)
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self.assertEqual(e.name, season)
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self.assertTrue(e in Season)
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self.assertTrue(type(e) is Season)
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self.assertTrue(isinstance(e, Season))
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self.assertEqual(str(e), 'Season.' + season)
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self.assertEqual(
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repr(e),
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'<Season.%s: %s>' % (season, i),
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)
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def test_value_name(self):
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Season = self.Season
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self.assertEqual(Season.SPRING.name, 'SPRING')
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self.assertEqual(Season.SPRING.value, 1)
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def set_name(obj, new_value):
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obj.name = new_value
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def set_value(obj, new_value):
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obj.value = new_value
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self.assertRaises(AttributeError, set_name, Season.SPRING, 'invierno', )
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self.assertRaises(AttributeError, set_value, Season.SPRING, 2)
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|
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||
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def test_attribute_deletion(self):
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class Season(Enum):
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SPRING = 1
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SUMMER = 2
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AUTUMN = 3
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WINTER = 4
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|
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def spam(cls):
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pass
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self.assertTrue(hasattr(Season, 'spam'))
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del Season.spam
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self.assertFalse(hasattr(Season, 'spam'))
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|
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self.assertRaises(AttributeError, delattr, Season, 'SPRING')
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self.assertRaises(AttributeError, delattr, Season, 'DRY')
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self.assertRaises(AttributeError, delattr, Season.SPRING, 'name')
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|
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||
|
def test_bool_of_class(self):
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class Empty(Enum):
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|
pass
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self.assertTrue(bool(Empty))
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|
|
||
|
def test_bool_of_member(self):
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||
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class Count(Enum):
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zero = 0
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one = 1
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two = 2
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for member in Count:
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self.assertTrue(bool(member))
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|
|
||
|
def test_invalid_names(self):
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||
|
def create_bad_class_1():
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||
|
class Wrong(Enum):
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||
|
mro = 9
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def create_bad_class_2():
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||
|
class Wrong(Enum):
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_reserved_ = 3
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self.assertRaises(ValueError, create_bad_class_1)
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self.assertRaises(ValueError, create_bad_class_2)
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|
|
||
|
def test_contains(self):
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|
Season = self.Season
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|
self.assertTrue(Season.AUTUMN in Season)
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self.assertTrue(3 not in Season)
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|
|
||
|
val = Season(3)
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||
|
self.assertTrue(val in Season)
|
||
|
|
||
|
class OtherEnum(Enum):
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||
|
one = 1; two = 2
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||
|
self.assertTrue(OtherEnum.two not in Season)
|
||
|
|
||
|
if pyver >= 2.6: # when `format` came into being
|
||
|
|
||
|
def test_format_enum(self):
|
||
|
Season = self.Season
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||
|
self.assertEqual('{0}'.format(Season.SPRING),
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||
|
'{0}'.format(str(Season.SPRING)))
|
||
|
self.assertEqual( '{0:}'.format(Season.SPRING),
|
||
|
'{0:}'.format(str(Season.SPRING)))
|
||
|
self.assertEqual('{0:20}'.format(Season.SPRING),
|
||
|
'{0:20}'.format(str(Season.SPRING)))
|
||
|
self.assertEqual('{0:^20}'.format(Season.SPRING),
|
||
|
'{0:^20}'.format(str(Season.SPRING)))
|
||
|
self.assertEqual('{0:>20}'.format(Season.SPRING),
|
||
|
'{0:>20}'.format(str(Season.SPRING)))
|
||
|
self.assertEqual('{0:<20}'.format(Season.SPRING),
|
||
|
'{0:<20}'.format(str(Season.SPRING)))
|
||
|
|
||
|
def test_format_enum_custom(self):
|
||
|
class TestFloat(float, Enum):
|
||
|
one = 1.0
|
||
|
two = 2.0
|
||
|
def __format__(self, spec):
|
||
|
return 'TestFloat success!'
|
||
|
self.assertEqual('{0}'.format(TestFloat.one), 'TestFloat success!')
|
||
|
|
||
|
def assertFormatIsValue(self, spec, member):
|
||
|
self.assertEqual(spec.format(member), spec.format(member.value))
|
||
|
|
||
|
def test_format_enum_date(self):
|
||
|
Holiday = self.Holiday
|
||
|
self.assertFormatIsValue('{0}', Holiday.IDES_OF_MARCH)
|
||
|
self.assertFormatIsValue('{0:}', Holiday.IDES_OF_MARCH)
|
||
|
self.assertFormatIsValue('{0:20}', Holiday.IDES_OF_MARCH)
|
||
|
self.assertFormatIsValue('{0:^20}', Holiday.IDES_OF_MARCH)
|
||
|
self.assertFormatIsValue('{0:>20}', Holiday.IDES_OF_MARCH)
|
||
|
self.assertFormatIsValue('{0:<20}', Holiday.IDES_OF_MARCH)
|
||
|
self.assertFormatIsValue('{0:%Y %m}', Holiday.IDES_OF_MARCH)
|
||
|
self.assertFormatIsValue('{0:%Y %m %M:00}', Holiday.IDES_OF_MARCH)
|
||
|
|
||
|
def test_format_enum_float(self):
|
||
|
Konstants = self.Konstants
|
||
|
self.assertFormatIsValue('{0}', Konstants.TAU)
|
||
|
self.assertFormatIsValue('{0:}', Konstants.TAU)
|
||
|
self.assertFormatIsValue('{0:20}', Konstants.TAU)
|
||
|
self.assertFormatIsValue('{0:^20}', Konstants.TAU)
|
||
|
self.assertFormatIsValue('{0:>20}', Konstants.TAU)
|
||
|
self.assertFormatIsValue('{0:<20}', Konstants.TAU)
|
||
|
self.assertFormatIsValue('{0:n}', Konstants.TAU)
|
||
|
self.assertFormatIsValue('{0:5.2}', Konstants.TAU)
|
||
|
self.assertFormatIsValue('{0:f}', Konstants.TAU)
|
||
|
|
||
|
def test_format_enum_int(self):
|
||
|
Grades = self.Grades
|
||
|
self.assertFormatIsValue('{0}', Grades.C)
|
||
|
self.assertFormatIsValue('{0:}', Grades.C)
|
||
|
self.assertFormatIsValue('{0:20}', Grades.C)
|
||
|
self.assertFormatIsValue('{0:^20}', Grades.C)
|
||
|
self.assertFormatIsValue('{0:>20}', Grades.C)
|
||
|
self.assertFormatIsValue('{0:<20}', Grades.C)
|
||
|
self.assertFormatIsValue('{0:+}', Grades.C)
|
||
|
self.assertFormatIsValue('{0:08X}', Grades.C)
|
||
|
self.assertFormatIsValue('{0:b}', Grades.C)
|
||
|
|
||
|
def test_format_enum_str(self):
|
||
|
Directional = self.Directional
|
||
|
self.assertFormatIsValue('{0}', Directional.WEST)
|
||
|
self.assertFormatIsValue('{0:}', Directional.WEST)
|
||
|
self.assertFormatIsValue('{0:20}', Directional.WEST)
|
||
|
self.assertFormatIsValue('{0:^20}', Directional.WEST)
|
||
|
self.assertFormatIsValue('{0:>20}', Directional.WEST)
|
||
|
self.assertFormatIsValue('{0:<20}', Directional.WEST)
|
||
|
|
||
|
def test_hash(self):
|
||
|
Season = self.Season
|
||
|
dates = {}
|
||
|
dates[Season.WINTER] = '1225'
|
||
|
dates[Season.SPRING] = '0315'
|
||
|
dates[Season.SUMMER] = '0704'
|
||
|
dates[Season.AUTUMN] = '1031'
|
||
|
self.assertEqual(dates[Season.AUTUMN], '1031')
|
||
|
|
||
|
def test_enum_duplicates(self):
|
||
|
_order_ = "SPRING SUMMER AUTUMN WINTER"
|
||
|
class Season(Enum):
|
||
|
SPRING = 1
|
||
|
SUMMER = 2
|
||
|
AUTUMN = FALL = 3
|
||
|
WINTER = 4
|
||
|
ANOTHER_SPRING = 1
|
||
|
lst = list(Season)
|
||
|
self.assertEqual(
|
||
|
lst,
|
||
|
[Season.SPRING, Season.SUMMER,
|
||
|
Season.AUTUMN, Season.WINTER,
|
||
|
])
|
||
|
self.assertTrue(Season.FALL is Season.AUTUMN)
|
||
|
self.assertEqual(Season.FALL.value, 3)
|
||
|
self.assertEqual(Season.AUTUMN.value, 3)
|
||
|
self.assertTrue(Season(3) is Season.AUTUMN)
|
||
|
self.assertTrue(Season(1) is Season.SPRING)
|
||
|
self.assertEqual(Season.FALL.name, 'AUTUMN')
|
||
|
self.assertEqual(
|
||
|
set([k for k,v in Season.__members__.items() if v.name != k]),
|
||
|
set(['FALL', 'ANOTHER_SPRING']),
|
||
|
)
|
||
|
|
||
|
if pyver >= 3.0:
|
||
|
cls = vars()
|
||
|
result = {'Enum':Enum}
|
||
|
exec("""def test_duplicate_name(self):
|
||
|
with self.assertRaises(TypeError):
|
||
|
class Color(Enum):
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3
|
||
|
red = 4
|
||
|
|
||
|
with self.assertRaises(TypeError):
|
||
|
class Color(Enum):
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3
|
||
|
def red(self):
|
||
|
return 'red'
|
||
|
|
||
|
with self.assertRaises(TypeError):
|
||
|
class Color(Enum):
|
||
|
@property
|
||
|
|
||
|
def red(self):
|
||
|
return 'redder'
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3""",
|
||
|
result)
|
||
|
cls['test_duplicate_name'] = result['test_duplicate_name']
|
||
|
|
||
|
def test_enum_with_value_name(self):
|
||
|
class Huh(Enum):
|
||
|
name = 1
|
||
|
value = 2
|
||
|
self.assertEqual(
|
||
|
list(Huh),
|
||
|
[Huh.name, Huh.value],
|
||
|
)
|
||
|
self.assertTrue(type(Huh.name) is Huh)
|
||
|
self.assertEqual(Huh.name.name, 'name')
|
||
|
self.assertEqual(Huh.name.value, 1)
|
||
|
|
||
|
def test_intenum_from_scratch(self):
|
||
|
class phy(int, Enum):
|
||
|
pi = 3
|
||
|
tau = 2 * pi
|
||
|
self.assertTrue(phy.pi < phy.tau)
|
||
|
|
||
|
def test_intenum_inherited(self):
|
||
|
class IntEnum(int, Enum):
|
||
|
pass
|
||
|
class phy(IntEnum):
|
||
|
pi = 3
|
||
|
tau = 2 * pi
|
||
|
self.assertTrue(phy.pi < phy.tau)
|
||
|
|
||
|
def test_floatenum_from_scratch(self):
|
||
|
class phy(float, Enum):
|
||
|
pi = 3.1415926
|
||
|
tau = 2 * pi
|
||
|
self.assertTrue(phy.pi < phy.tau)
|
||
|
|
||
|
def test_floatenum_inherited(self):
|
||
|
class FloatEnum(float, Enum):
|
||
|
pass
|
||
|
class phy(FloatEnum):
|
||
|
pi = 3.1415926
|
||
|
tau = 2 * pi
|
||
|
self.assertTrue(phy.pi < phy.tau)
|
||
|
|
||
|
def test_strenum_from_scratch(self):
|
||
|
class phy(str, Enum):
|
||
|
pi = 'Pi'
|
||
|
tau = 'Tau'
|
||
|
self.assertTrue(phy.pi < phy.tau)
|
||
|
|
||
|
def test_strenum_inherited(self):
|
||
|
class StrEnum(str, Enum):
|
||
|
pass
|
||
|
class phy(StrEnum):
|
||
|
pi = 'Pi'
|
||
|
tau = 'Tau'
|
||
|
self.assertTrue(phy.pi < phy.tau)
|
||
|
|
||
|
def test_intenum(self):
|
||
|
class WeekDay(IntEnum):
|
||
|
SUNDAY = 1
|
||
|
MONDAY = 2
|
||
|
TUESDAY = 3
|
||
|
WEDNESDAY = 4
|
||
|
THURSDAY = 5
|
||
|
FRIDAY = 6
|
||
|
SATURDAY = 7
|
||
|
|
||
|
self.assertEqual(['a', 'b', 'c'][WeekDay.MONDAY], 'c')
|
||
|
self.assertEqual([i for i in range(WeekDay.TUESDAY)], [0, 1, 2])
|
||
|
|
||
|
lst = list(WeekDay)
|
||
|
self.assertEqual(len(lst), len(WeekDay))
|
||
|
self.assertEqual(len(WeekDay), 7)
|
||
|
target = 'SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY'
|
||
|
target = target.split()
|
||
|
for i, weekday in enumerate(target):
|
||
|
i += 1
|
||
|
e = WeekDay(i)
|
||
|
self.assertEqual(e, i)
|
||
|
self.assertEqual(int(e), i)
|
||
|
self.assertEqual(e.name, weekday)
|
||
|
self.assertTrue(e in WeekDay)
|
||
|
self.assertEqual(lst.index(e)+1, i)
|
||
|
self.assertTrue(0 < e < 8)
|
||
|
self.assertTrue(type(e) is WeekDay)
|
||
|
self.assertTrue(isinstance(e, int))
|
||
|
self.assertTrue(isinstance(e, Enum))
|
||
|
|
||
|
def test_intenum_duplicates(self):
|
||
|
class WeekDay(IntEnum):
|
||
|
__order__ = 'SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY'
|
||
|
SUNDAY = 1
|
||
|
MONDAY = 2
|
||
|
TUESDAY = TEUSDAY = 3
|
||
|
WEDNESDAY = 4
|
||
|
THURSDAY = 5
|
||
|
FRIDAY = 6
|
||
|
SATURDAY = 7
|
||
|
self.assertTrue(WeekDay.TEUSDAY is WeekDay.TUESDAY)
|
||
|
self.assertEqual(WeekDay(3).name, 'TUESDAY')
|
||
|
self.assertEqual([k for k,v in WeekDay.__members__.items()
|
||
|
if v.name != k], ['TEUSDAY', ])
|
||
|
|
||
|
def test_pickle_enum(self):
|
||
|
if isinstance(Stooges, Exception):
|
||
|
raise Stooges
|
||
|
test_pickle_dump_load(self.assertTrue, Stooges.CURLY)
|
||
|
test_pickle_dump_load(self.assertTrue, Stooges)
|
||
|
|
||
|
def test_pickle_int(self):
|
||
|
if isinstance(IntStooges, Exception):
|
||
|
raise IntStooges
|
||
|
test_pickle_dump_load(self.assertTrue, IntStooges.CURLY)
|
||
|
test_pickle_dump_load(self.assertTrue, IntStooges)
|
||
|
|
||
|
def test_pickle_float(self):
|
||
|
if isinstance(FloatStooges, Exception):
|
||
|
raise FloatStooges
|
||
|
test_pickle_dump_load(self.assertTrue, FloatStooges.CURLY)
|
||
|
test_pickle_dump_load(self.assertTrue, FloatStooges)
|
||
|
|
||
|
def test_pickle_enum_function(self):
|
||
|
if isinstance(Answer, Exception):
|
||
|
raise Answer
|
||
|
test_pickle_dump_load(self.assertTrue, Answer.him)
|
||
|
test_pickle_dump_load(self.assertTrue, Answer)
|
||
|
|
||
|
def test_pickle_enum_function_with_module(self):
|
||
|
if isinstance(Question, Exception):
|
||
|
raise Question
|
||
|
test_pickle_dump_load(self.assertTrue, Question.who)
|
||
|
test_pickle_dump_load(self.assertTrue, Question)
|
||
|
|
||
|
if pyver == 3.4:
|
||
|
def test_class_nested_enum_and_pickle_protocol_four(self):
|
||
|
# would normally just have this directly in the class namespace
|
||
|
class NestedEnum(Enum):
|
||
|
twigs = 'common'
|
||
|
shiny = 'rare'
|
||
|
|
||
|
self.__class__.NestedEnum = NestedEnum
|
||
|
self.NestedEnum.__qualname__ = '%s.NestedEnum' % self.__class__.__name__
|
||
|
test_pickle_exception(
|
||
|
self.assertRaises, PicklingError, self.NestedEnum.twigs,
|
||
|
protocol=(0, 3))
|
||
|
test_pickle_dump_load(self.assertTrue, self.NestedEnum.twigs,
|
||
|
protocol=(4, HIGHEST_PROTOCOL))
|
||
|
|
||
|
elif pyver == 3.5:
|
||
|
def test_class_nested_enum_and_pickle_protocol_four(self):
|
||
|
# would normally just have this directly in the class namespace
|
||
|
class NestedEnum(Enum):
|
||
|
twigs = 'common'
|
||
|
shiny = 'rare'
|
||
|
|
||
|
self.__class__.NestedEnum = NestedEnum
|
||
|
self.NestedEnum.__qualname__ = '%s.NestedEnum' % self.__class__.__name__
|
||
|
test_pickle_dump_load(self.assertTrue, self.NestedEnum.twigs,
|
||
|
protocol=(0, HIGHEST_PROTOCOL))
|
||
|
|
||
|
def test_exploding_pickle(self):
|
||
|
BadPickle = Enum('BadPickle', 'dill sweet bread-n-butter')
|
||
|
enum._make_class_unpicklable(BadPickle)
|
||
|
globals()['BadPickle'] = BadPickle
|
||
|
test_pickle_exception(self.assertRaises, TypeError, BadPickle.dill)
|
||
|
test_pickle_exception(self.assertRaises, PicklingError, BadPickle)
|
||
|
|
||
|
def test_string_enum(self):
|
||
|
class SkillLevel(str, Enum):
|
||
|
master = 'what is the sound of one hand clapping?'
|
||
|
journeyman = 'why did the chicken cross the road?'
|
||
|
apprentice = 'knock, knock!'
|
||
|
self.assertEqual(SkillLevel.apprentice, 'knock, knock!')
|
||
|
|
||
|
def test_getattr_getitem(self):
|
||
|
class Period(Enum):
|
||
|
morning = 1
|
||
|
noon = 2
|
||
|
evening = 3
|
||
|
night = 4
|
||
|
self.assertTrue(Period(2) is Period.noon)
|
||
|
self.assertTrue(getattr(Period, 'night') is Period.night)
|
||
|
self.assertTrue(Period['morning'] is Period.morning)
|
||
|
|
||
|
def test_getattr_dunder(self):
|
||
|
Season = self.Season
|
||
|
self.assertTrue(getattr(Season, '__hash__'))
|
||
|
|
||
|
def test_iteration_order(self):
|
||
|
class Season(Enum):
|
||
|
_order_ = 'SUMMER WINTER AUTUMN SPRING'
|
||
|
SUMMER = 2
|
||
|
WINTER = 4
|
||
|
AUTUMN = 3
|
||
|
SPRING = 1
|
||
|
self.assertEqual(
|
||
|
list(Season),
|
||
|
[Season.SUMMER, Season.WINTER, Season.AUTUMN, Season.SPRING],
|
||
|
)
|
||
|
|
||
|
def test_iteration_order_reversed(self):
|
||
|
self.assertEqual(
|
||
|
list(reversed(self.Season)),
|
||
|
[self.Season.WINTER, self.Season.AUTUMN, self.Season.SUMMER,
|
||
|
self.Season.SPRING]
|
||
|
)
|
||
|
|
||
|
def test_iteration_order_with_unorderable_values(self):
|
||
|
class Complex(Enum):
|
||
|
a = complex(7, 9)
|
||
|
b = complex(3.14, 2)
|
||
|
c = complex(1, -1)
|
||
|
d = complex(-77, 32)
|
||
|
self.assertEqual(
|
||
|
list(Complex),
|
||
|
[Complex.a, Complex.b, Complex.c, Complex.d],
|
||
|
)
|
||
|
|
||
|
def test_programatic_function_string(self):
|
||
|
SummerMonth = Enum('SummerMonth', 'june july august')
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_string_with_start(self):
|
||
|
SummerMonth = Enum('SummerMonth', 'june july august', start=10)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split(), 10):
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_string_list(self):
|
||
|
SummerMonth = Enum('SummerMonth', ['june', 'july', 'august'])
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_string_list_with_start(self):
|
||
|
SummerMonth = Enum('SummerMonth', ['june', 'july', 'august'], start=20)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split(), 20):
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_iterable(self):
|
||
|
SummerMonth = Enum(
|
||
|
'SummerMonth',
|
||
|
(('june', 1), ('july', 2), ('august', 3))
|
||
|
)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_from_dict(self):
|
||
|
SummerMonth = Enum(
|
||
|
'SummerMonth',
|
||
|
dict((('june', 1), ('july', 2), ('august', 3)))
|
||
|
)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
if pyver < 3.0:
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_type(self):
|
||
|
SummerMonth = Enum('SummerMonth', 'june july august', type=int)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_type_with_start(self):
|
||
|
SummerMonth = Enum('SummerMonth', 'june july august', type=int, start=30)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split(), 30):
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_type_from_subclass(self):
|
||
|
SummerMonth = IntEnum('SummerMonth', 'june july august')
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_type_from_subclass_with_start(self):
|
||
|
SummerMonth = IntEnum('SummerMonth', 'june july august', start=40)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate('june july august'.split(), 40):
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_unicode(self):
|
||
|
SummerMonth = Enum('SummerMonth', unicode('june july august'))
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate(unicode('june july august').split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_unicode_list(self):
|
||
|
SummerMonth = Enum('SummerMonth', [unicode('june'), unicode('july'), unicode('august')])
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate(unicode('june july august').split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_unicode_iterable(self):
|
||
|
SummerMonth = Enum(
|
||
|
'SummerMonth',
|
||
|
((unicode('june'), 1), (unicode('july'), 2), (unicode('august'), 3))
|
||
|
)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate(unicode('june july august').split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_from_unicode_dict(self):
|
||
|
SummerMonth = Enum(
|
||
|
'SummerMonth',
|
||
|
dict(((unicode('june'), 1), (unicode('july'), 2), (unicode('august'), 3)))
|
||
|
)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
if pyver < 3.0:
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate(unicode('june july august').split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(int(e.value), i)
|
||
|
self.assertNotEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_unicode_type(self):
|
||
|
SummerMonth = Enum('SummerMonth', unicode('june july august'), type=int)
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate(unicode('june july august').split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programatic_function_unicode_type_from_subclass(self):
|
||
|
SummerMonth = IntEnum('SummerMonth', unicode('june july august'))
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate(unicode('june july august').split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(e, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_programmatic_function_unicode_class(self):
|
||
|
if pyver < 3.0:
|
||
|
class_names = unicode('SummerMonth'), 'S\xfcmm\xe9rM\xf6nth'.decode('latin1')
|
||
|
else:
|
||
|
class_names = 'SummerMonth', 'S\xfcmm\xe9rM\xf6nth'
|
||
|
for i, class_name in enumerate(class_names):
|
||
|
if pyver < 3.0 and i == 1:
|
||
|
self.assertRaises(TypeError, Enum, class_name, unicode('june july august'))
|
||
|
else:
|
||
|
SummerMonth = Enum(class_name, unicode('june july august'))
|
||
|
lst = list(SummerMonth)
|
||
|
self.assertEqual(len(lst), len(SummerMonth))
|
||
|
self.assertEqual(len(SummerMonth), 3, SummerMonth)
|
||
|
self.assertEqual(
|
||
|
[SummerMonth.june, SummerMonth.july, SummerMonth.august],
|
||
|
lst,
|
||
|
)
|
||
|
for i, month in enumerate(unicode('june july august').split()):
|
||
|
i += 1
|
||
|
e = SummerMonth(i)
|
||
|
self.assertEqual(e.value, i)
|
||
|
self.assertEqual(e.name, month)
|
||
|
self.assertTrue(e in SummerMonth)
|
||
|
self.assertTrue(type(e) is SummerMonth)
|
||
|
|
||
|
def test_subclassing(self):
|
||
|
if isinstance(Name, Exception):
|
||
|
raise Name
|
||
|
self.assertEqual(Name.BDFL, 'Guido van Rossum')
|
||
|
self.assertTrue(Name.BDFL, Name('Guido van Rossum'))
|
||
|
self.assertTrue(Name.BDFL is getattr(Name, 'BDFL'))
|
||
|
test_pickle_dump_load(self.assertTrue, Name.BDFL)
|
||
|
|
||
|
def test_extending(self):
|
||
|
def bad_extension():
|
||
|
class Color(Enum):
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3
|
||
|
class MoreColor(Color):
|
||
|
cyan = 4
|
||
|
magenta = 5
|
||
|
yellow = 6
|
||
|
self.assertRaises(TypeError, bad_extension)
|
||
|
|
||
|
def test_exclude_methods(self):
|
||
|
class whatever(Enum):
|
||
|
this = 'that'
|
||
|
these = 'those'
|
||
|
def really(self):
|
||
|
return 'no, not %s' % self.value
|
||
|
self.assertFalse(type(whatever.really) is whatever)
|
||
|
self.assertEqual(whatever.this.really(), 'no, not that')
|
||
|
|
||
|
def test_wrong_inheritance_order(self):
|
||
|
def wrong_inherit():
|
||
|
class Wrong(Enum, str):
|
||
|
NotHere = 'error before this point'
|
||
|
self.assertRaises(TypeError, wrong_inherit)
|
||
|
|
||
|
def test_intenum_transitivity(self):
|
||
|
class number(IntEnum):
|
||
|
one = 1
|
||
|
two = 2
|
||
|
three = 3
|
||
|
class numero(IntEnum):
|
||
|
uno = 1
|
||
|
dos = 2
|
||
|
tres = 3
|
||
|
self.assertEqual(number.one, numero.uno)
|
||
|
self.assertEqual(number.two, numero.dos)
|
||
|
self.assertEqual(number.three, numero.tres)
|
||
|
|
||
|
def test_introspection(self):
|
||
|
class Number(IntEnum):
|
||
|
one = 100
|
||
|
two = 200
|
||
|
self.assertTrue(Number.one._member_type_ is int)
|
||
|
self.assertTrue(Number._member_type_ is int)
|
||
|
class String(str, Enum):
|
||
|
yarn = 'soft'
|
||
|
rope = 'rough'
|
||
|
wire = 'hard'
|
||
|
self.assertTrue(String.yarn._member_type_ is str)
|
||
|
self.assertTrue(String._member_type_ is str)
|
||
|
class Plain(Enum):
|
||
|
vanilla = 'white'
|
||
|
one = 1
|
||
|
self.assertTrue(Plain.vanilla._member_type_ is object)
|
||
|
self.assertTrue(Plain._member_type_ is object)
|
||
|
|
||
|
def test_wrong_enum_in_call(self):
|
||
|
class Monochrome(Enum):
|
||
|
black = 0
|
||
|
white = 1
|
||
|
class Gender(Enum):
|
||
|
male = 0
|
||
|
female = 1
|
||
|
self.assertRaises(ValueError, Monochrome, Gender.male)
|
||
|
|
||
|
def test_wrong_enum_in_mixed_call(self):
|
||
|
class Monochrome(IntEnum):
|
||
|
black = 0
|
||
|
white = 1
|
||
|
class Gender(Enum):
|
||
|
male = 0
|
||
|
female = 1
|
||
|
self.assertRaises(ValueError, Monochrome, Gender.male)
|
||
|
|
||
|
def test_mixed_enum_in_call_1(self):
|
||
|
class Monochrome(IntEnum):
|
||
|
black = 0
|
||
|
white = 1
|
||
|
class Gender(IntEnum):
|
||
|
male = 0
|
||
|
female = 1
|
||
|
self.assertTrue(Monochrome(Gender.female) is Monochrome.white)
|
||
|
|
||
|
def test_mixed_enum_in_call_2(self):
|
||
|
class Monochrome(Enum):
|
||
|
black = 0
|
||
|
white = 1
|
||
|
class Gender(IntEnum):
|
||
|
male = 0
|
||
|
female = 1
|
||
|
self.assertTrue(Monochrome(Gender.male) is Monochrome.black)
|
||
|
|
||
|
def test_flufl_enum(self):
|
||
|
class Fluflnum(Enum):
|
||
|
def __int__(self):
|
||
|
return int(self.value)
|
||
|
class MailManOptions(Fluflnum):
|
||
|
option1 = 1
|
||
|
option2 = 2
|
||
|
option3 = 3
|
||
|
self.assertEqual(int(MailManOptions.option1), 1)
|
||
|
|
||
|
def test_no_such_enum_member(self):
|
||
|
class Color(Enum):
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3
|
||
|
self.assertRaises(ValueError, Color, 4)
|
||
|
self.assertRaises(KeyError, Color.__getitem__, 'chartreuse')
|
||
|
|
||
|
def test_new_repr(self):
|
||
|
class Color(Enum):
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3
|
||
|
def __repr__(self):
|
||
|
return "don't you just love shades of %s?" % self.name
|
||
|
self.assertEqual(
|
||
|
repr(Color.blue),
|
||
|
"don't you just love shades of blue?",
|
||
|
)
|
||
|
|
||
|
def test_inherited_repr(self):
|
||
|
class MyEnum(Enum):
|
||
|
def __repr__(self):
|
||
|
return "My name is %s." % self.name
|
||
|
class MyIntEnum(int, MyEnum):
|
||
|
this = 1
|
||
|
that = 2
|
||
|
theother = 3
|
||
|
self.assertEqual(repr(MyIntEnum.that), "My name is that.")
|
||
|
|
||
|
def test_multiple_mixin_mro(self):
|
||
|
class auto_enum(EnumMeta):
|
||
|
def __new__(metacls, cls, bases, classdict):
|
||
|
original_dict = classdict
|
||
|
classdict = enum._EnumDict()
|
||
|
for k, v in original_dict.items():
|
||
|
classdict[k] = v
|
||
|
temp = type(classdict)()
|
||
|
names = set(classdict._member_names)
|
||
|
i = 0
|
||
|
for k in classdict._member_names:
|
||
|
v = classdict[k]
|
||
|
if v == ():
|
||
|
v = i
|
||
|
else:
|
||
|
i = v
|
||
|
i += 1
|
||
|
temp[k] = v
|
||
|
for k, v in classdict.items():
|
||
|
if k not in names:
|
||
|
temp[k] = v
|
||
|
return super(auto_enum, metacls).__new__(
|
||
|
metacls, cls, bases, temp)
|
||
|
|
||
|
AutoNumberedEnum = auto_enum('AutoNumberedEnum', (Enum,), {})
|
||
|
|
||
|
AutoIntEnum = auto_enum('AutoIntEnum', (IntEnum,), {})
|
||
|
|
||
|
class TestAutoNumber(AutoNumberedEnum):
|
||
|
a = ()
|
||
|
b = 3
|
||
|
c = ()
|
||
|
|
||
|
class TestAutoInt(AutoIntEnum):
|
||
|
a = ()
|
||
|
b = 3
|
||
|
c = ()
|
||
|
|
||
|
def test_subclasses_with_getnewargs(self):
|
||
|
class NamedInt(int):
|
||
|
__qualname__ = 'NamedInt' # needed for pickle protocol 4
|
||
|
def __new__(cls, *args):
|
||
|
_args = args
|
||
|
if len(args) < 1:
|
||
|
raise TypeError("name and value must be specified")
|
||
|
name, args = args[0], args[1:]
|
||
|
self = int.__new__(cls, *args)
|
||
|
self._intname = name
|
||
|
self._args = _args
|
||
|
return self
|
||
|
def __getnewargs__(self):
|
||
|
return self._args
|
||
|
@property
|
||
|
def __name__(self):
|
||
|
return self._intname
|
||
|
def __repr__(self):
|
||
|
# repr() is updated to include the name and type info
|
||
|
return "%s(%r, %s)" % (type(self).__name__,
|
||
|
self.__name__,
|
||
|
int.__repr__(self))
|
||
|
def __str__(self):
|
||
|
# str() is unchanged, even if it relies on the repr() fallback
|
||
|
base = int
|
||
|
base_str = base.__str__
|
||
|
if base_str.__objclass__ is object:
|
||
|
return base.__repr__(self)
|
||
|
return base_str(self)
|
||
|
# for simplicity, we only define one operator that
|
||
|
# propagates expressions
|
||
|
def __add__(self, other):
|
||
|
temp = int(self) + int( other)
|
||
|
if isinstance(self, NamedInt) and isinstance(other, NamedInt):
|
||
|
return NamedInt(
|
||
|
'(%s + %s)' % (self.__name__, other.__name__),
|
||
|
temp )
|
||
|
else:
|
||
|
return temp
|
||
|
|
||
|
class NEI(NamedInt, Enum):
|
||
|
__qualname__ = 'NEI' # needed for pickle protocol 4
|
||
|
x = ('the-x', 1)
|
||
|
y = ('the-y', 2)
|
||
|
|
||
|
self.assertTrue(NEI.__new__ is Enum.__new__)
|
||
|
self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)")
|
||
|
globals()['NamedInt'] = NamedInt
|
||
|
globals()['NEI'] = NEI
|
||
|
NI5 = NamedInt('test', 5)
|
||
|
self.assertEqual(NI5, 5)
|
||
|
test_pickle_dump_load(self.assertTrue, NI5, 5)
|
||
|
self.assertEqual(NEI.y.value, 2)
|
||
|
test_pickle_dump_load(self.assertTrue, NEI.y)
|
||
|
|
||
|
if pyver >= 3.4:
|
||
|
def test_subclasses_with_getnewargs_ex(self):
|
||
|
class NamedInt(int):
|
||
|
__qualname__ = 'NamedInt' # needed for pickle protocol 4
|
||
|
def __new__(cls, *args):
|
||
|
_args = args
|
||
|
if len(args) < 2:
|
||
|
raise TypeError("name and value must be specified")
|
||
|
name, args = args[0], args[1:]
|
||
|
self = int.__new__(cls, *args)
|
||
|
self._intname = name
|
||
|
self._args = _args
|
||
|
return self
|
||
|
def __getnewargs_ex__(self):
|
||
|
return self._args, {}
|
||
|
@property
|
||
|
def __name__(self):
|
||
|
return self._intname
|
||
|
def __repr__(self):
|
||
|
# repr() is updated to include the name and type info
|
||
|
return "{}({!r}, {})".format(type(self).__name__,
|
||
|
self.__name__,
|
||
|
int.__repr__(self))
|
||
|
def __str__(self):
|
||
|
# str() is unchanged, even if it relies on the repr() fallback
|
||
|
base = int
|
||
|
base_str = base.__str__
|
||
|
if base_str.__objclass__ is object:
|
||
|
return base.__repr__(self)
|
||
|
return base_str(self)
|
||
|
# for simplicity, we only define one operator that
|
||
|
# propagates expressions
|
||
|
def __add__(self, other):
|
||
|
temp = int(self) + int( other)
|
||
|
if isinstance(self, NamedInt) and isinstance(other, NamedInt):
|
||
|
return NamedInt(
|
||
|
'({0} + {1})'.format(self.__name__, other.__name__),
|
||
|
temp )
|
||
|
else:
|
||
|
return temp
|
||
|
|
||
|
class NEI(NamedInt, Enum):
|
||
|
__qualname__ = 'NEI' # needed for pickle protocol 4
|
||
|
x = ('the-x', 1)
|
||
|
y = ('the-y', 2)
|
||
|
|
||
|
|
||
|
self.assertIs(NEI.__new__, Enum.__new__)
|
||
|
self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)")
|
||
|
globals()['NamedInt'] = NamedInt
|
||
|
globals()['NEI'] = NEI
|
||
|
NI5 = NamedInt('test', 5)
|
||
|
self.assertEqual(NI5, 5)
|
||
|
test_pickle_dump_load(self.assertEqual, NI5, 5, protocol=(4, HIGHEST_PROTOCOL))
|
||
|
self.assertEqual(NEI.y.value, 2)
|
||
|
test_pickle_dump_load(self.assertTrue, NEI.y, protocol=(4, HIGHEST_PROTOCOL))
|
||
|
|
||
|
def test_subclasses_with_reduce(self):
|
||
|
class NamedInt(int):
|
||
|
__qualname__ = 'NamedInt' # needed for pickle protocol 4
|
||
|
def __new__(cls, *args):
|
||
|
_args = args
|
||
|
if len(args) < 1:
|
||
|
raise TypeError("name and value must be specified")
|
||
|
name, args = args[0], args[1:]
|
||
|
self = int.__new__(cls, *args)
|
||
|
self._intname = name
|
||
|
self._args = _args
|
||
|
return self
|
||
|
def __reduce__(self):
|
||
|
return self.__class__, self._args
|
||
|
@property
|
||
|
def __name__(self):
|
||
|
return self._intname
|
||
|
def __repr__(self):
|
||
|
# repr() is updated to include the name and type info
|
||
|
return "%s(%r, %s)" % (type(self).__name__,
|
||
|
self.__name__,
|
||
|
int.__repr__(self))
|
||
|
def __str__(self):
|
||
|
# str() is unchanged, even if it relies on the repr() fallback
|
||
|
base = int
|
||
|
base_str = base.__str__
|
||
|
if base_str.__objclass__ is object:
|
||
|
return base.__repr__(self)
|
||
|
return base_str(self)
|
||
|
# for simplicity, we only define one operator that
|
||
|
# propagates expressions
|
||
|
def __add__(self, other):
|
||
|
temp = int(self) + int( other)
|
||
|
if isinstance(self, NamedInt) and isinstance(other, NamedInt):
|
||
|
return NamedInt(
|
||
|
'(%s + %s)' % (self.__name__, other.__name__),
|
||
|
temp )
|
||
|
else:
|
||
|
return temp
|
||
|
|
||
|
class NEI(NamedInt, Enum):
|
||
|
__qualname__ = 'NEI' # needed for pickle protocol 4
|
||
|
x = ('the-x', 1)
|
||
|
y = ('the-y', 2)
|
||
|
|
||
|
|
||
|
self.assertTrue(NEI.__new__ is Enum.__new__)
|
||
|
self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)")
|
||
|
globals()['NamedInt'] = NamedInt
|
||
|
globals()['NEI'] = NEI
|
||
|
NI5 = NamedInt('test', 5)
|
||
|
self.assertEqual(NI5, 5)
|
||
|
test_pickle_dump_load(self.assertEqual, NI5, 5)
|
||
|
self.assertEqual(NEI.y.value, 2)
|
||
|
test_pickle_dump_load(self.assertTrue, NEI.y)
|
||
|
|
||
|
def test_subclasses_with_reduce_ex(self):
|
||
|
class NamedInt(int):
|
||
|
__qualname__ = 'NamedInt' # needed for pickle protocol 4
|
||
|
def __new__(cls, *args):
|
||
|
_args = args
|
||
|
if len(args) < 1:
|
||
|
raise TypeError("name and value must be specified")
|
||
|
name, args = args[0], args[1:]
|
||
|
self = int.__new__(cls, *args)
|
||
|
self._intname = name
|
||
|
self._args = _args
|
||
|
return self
|
||
|
def __reduce_ex__(self, proto):
|
||
|
return self.__class__, self._args
|
||
|
@property
|
||
|
def __name__(self):
|
||
|
return self._intname
|
||
|
def __repr__(self):
|
||
|
# repr() is updated to include the name and type info
|
||
|
return "%s(%r, %s)" % (type(self).__name__,
|
||
|
self.__name__,
|
||
|
int.__repr__(self))
|
||
|
def __str__(self):
|
||
|
# str() is unchanged, even if it relies on the repr() fallback
|
||
|
base = int
|
||
|
base_str = base.__str__
|
||
|
if base_str.__objclass__ is object:
|
||
|
return base.__repr__(self)
|
||
|
return base_str(self)
|
||
|
# for simplicity, we only define one operator that
|
||
|
# propagates expressions
|
||
|
def __add__(self, other):
|
||
|
temp = int(self) + int( other)
|
||
|
if isinstance(self, NamedInt) and isinstance(other, NamedInt):
|
||
|
return NamedInt(
|
||
|
'(%s + %s)' % (self.__name__, other.__name__),
|
||
|
temp )
|
||
|
else:
|
||
|
return temp
|
||
|
|
||
|
class NEI(NamedInt, Enum):
|
||
|
__qualname__ = 'NEI' # needed for pickle protocol 4
|
||
|
x = ('the-x', 1)
|
||
|
y = ('the-y', 2)
|
||
|
|
||
|
|
||
|
self.assertTrue(NEI.__new__ is Enum.__new__)
|
||
|
self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)")
|
||
|
globals()['NamedInt'] = NamedInt
|
||
|
globals()['NEI'] = NEI
|
||
|
NI5 = NamedInt('test', 5)
|
||
|
self.assertEqual(NI5, 5)
|
||
|
test_pickle_dump_load(self.assertEqual, NI5, 5)
|
||
|
self.assertEqual(NEI.y.value, 2)
|
||
|
test_pickle_dump_load(self.assertTrue, NEI.y)
|
||
|
|
||
|
def test_subclasses_without_direct_pickle_support(self):
|
||
|
class NamedInt(int):
|
||
|
__qualname__ = 'NamedInt'
|
||
|
def __new__(cls, *args):
|
||
|
_args = args
|
||
|
name, args = args[0], args[1:]
|
||
|
if len(args) == 0:
|
||
|
raise TypeError("name and value must be specified")
|
||
|
self = int.__new__(cls, *args)
|
||
|
self._intname = name
|
||
|
self._args = _args
|
||
|
return self
|
||
|
@property
|
||
|
def __name__(self):
|
||
|
return self._intname
|
||
|
def __repr__(self):
|
||
|
# repr() is updated to include the name and type info
|
||
|
return "%s(%r, %s)" % (type(self).__name__,
|
||
|
self.__name__,
|
||
|
int.__repr__(self))
|
||
|
def __str__(self):
|
||
|
# str() is unchanged, even if it relies on the repr() fallback
|
||
|
base = int
|
||
|
base_str = base.__str__
|
||
|
if base_str.__objclass__ is object:
|
||
|
return base.__repr__(self)
|
||
|
return base_str(self)
|
||
|
# for simplicity, we only define one operator that
|
||
|
# propagates expressions
|
||
|
def __add__(self, other):
|
||
|
temp = int(self) + int( other)
|
||
|
if isinstance(self, NamedInt) and isinstance(other, NamedInt):
|
||
|
return NamedInt(
|
||
|
'(%s + %s)' % (self.__name__, other.__name__),
|
||
|
temp )
|
||
|
else:
|
||
|
return temp
|
||
|
|
||
|
class NEI(NamedInt, Enum):
|
||
|
__qualname__ = 'NEI'
|
||
|
x = ('the-x', 1)
|
||
|
y = ('the-y', 2)
|
||
|
|
||
|
self.assertTrue(NEI.__new__ is Enum.__new__)
|
||
|
self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)")
|
||
|
globals()['NamedInt'] = NamedInt
|
||
|
globals()['NEI'] = NEI
|
||
|
NI5 = NamedInt('test', 5)
|
||
|
self.assertEqual(NI5, 5)
|
||
|
self.assertEqual(NEI.y.value, 2)
|
||
|
test_pickle_exception(self.assertRaises, TypeError, NEI.x)
|
||
|
test_pickle_exception(self.assertRaises, PicklingError, NEI)
|
||
|
|
||
|
def test_subclasses_without_direct_pickle_support_using_name(self):
|
||
|
class NamedInt(int):
|
||
|
__qualname__ = 'NamedInt'
|
||
|
def __new__(cls, *args):
|
||
|
_args = args
|
||
|
name, args = args[0], args[1:]
|
||
|
if len(args) == 0:
|
||
|
raise TypeError("name and value must be specified")
|
||
|
self = int.__new__(cls, *args)
|
||
|
self._intname = name
|
||
|
self._args = _args
|
||
|
return self
|
||
|
@property
|
||
|
def __name__(self):
|
||
|
return self._intname
|
||
|
def __repr__(self):
|
||
|
# repr() is updated to include the name and type info
|
||
|
return "%s(%r, %s)" % (type(self).__name__,
|
||
|
self.__name__,
|
||
|
int.__repr__(self))
|
||
|
def __str__(self):
|
||
|
# str() is unchanged, even if it relies on the repr() fallback
|
||
|
base = int
|
||
|
base_str = base.__str__
|
||
|
if base_str.__objclass__ is object:
|
||
|
return base.__repr__(self)
|
||
|
return base_str(self)
|
||
|
# for simplicity, we only define one operator that
|
||
|
# propagates expressions
|
||
|
def __add__(self, other):
|
||
|
temp = int(self) + int( other)
|
||
|
if isinstance(self, NamedInt) and isinstance(other, NamedInt):
|
||
|
return NamedInt(
|
||
|
'(%s + %s)' % (self.__name__, other.__name__),
|
||
|
temp )
|
||
|
else:
|
||
|
return temp
|
||
|
|
||
|
class NEI(NamedInt, Enum):
|
||
|
__qualname__ = 'NEI'
|
||
|
x = ('the-x', 1)
|
||
|
y = ('the-y', 2)
|
||
|
def __reduce_ex__(self, proto):
|
||
|
return getattr, (self.__class__, self._name_)
|
||
|
|
||
|
self.assertTrue(NEI.__new__ is Enum.__new__)
|
||
|
self.assertEqual(repr(NEI.x + NEI.y), "NamedInt('(the-x + the-y)', 3)")
|
||
|
globals()['NamedInt'] = NamedInt
|
||
|
globals()['NEI'] = NEI
|
||
|
NI5 = NamedInt('test', 5)
|
||
|
self.assertEqual(NI5, 5)
|
||
|
self.assertEqual(NEI.y.value, 2)
|
||
|
test_pickle_dump_load(self.assertTrue, NEI.y)
|
||
|
test_pickle_dump_load(self.assertTrue, NEI)
|
||
|
|
||
|
def test_tuple_subclass(self):
|
||
|
class SomeTuple(tuple, Enum):
|
||
|
__qualname__ = 'SomeTuple'
|
||
|
first = (1, 'for the money')
|
||
|
second = (2, 'for the show')
|
||
|
third = (3, 'for the music')
|
||
|
self.assertTrue(type(SomeTuple.first) is SomeTuple)
|
||
|
self.assertTrue(isinstance(SomeTuple.second, tuple))
|
||
|
self.assertEqual(SomeTuple.third, (3, 'for the music'))
|
||
|
globals()['SomeTuple'] = SomeTuple
|
||
|
test_pickle_dump_load(self.assertTrue, SomeTuple.first)
|
||
|
|
||
|
def test_duplicate_values_give_unique_enum_items(self):
|
||
|
class AutoNumber(Enum):
|
||
|
__order__ = 'enum_m enum_d enum_y'
|
||
|
enum_m = ()
|
||
|
enum_d = ()
|
||
|
enum_y = ()
|
||
|
def __new__(cls):
|
||
|
value = len(cls.__members__) + 1
|
||
|
obj = object.__new__(cls)
|
||
|
obj._value_ = value
|
||
|
return obj
|
||
|
def __int__(self):
|
||
|
return int(self._value_)
|
||
|
self.assertEqual(int(AutoNumber.enum_d), 2)
|
||
|
self.assertEqual(AutoNumber.enum_y.value, 3)
|
||
|
self.assertTrue(AutoNumber(1) is AutoNumber.enum_m)
|
||
|
self.assertEqual(
|
||
|
list(AutoNumber),
|
||
|
[AutoNumber.enum_m, AutoNumber.enum_d, AutoNumber.enum_y],
|
||
|
)
|
||
|
|
||
|
def test_inherited_new_from_enhanced_enum(self):
|
||
|
class AutoNumber2(Enum):
|
||
|
def __new__(cls):
|
||
|
value = len(cls.__members__) + 1
|
||
|
obj = object.__new__(cls)
|
||
|
obj._value_ = value
|
||
|
return obj
|
||
|
def __int__(self):
|
||
|
return int(self._value_)
|
||
|
class Color(AutoNumber2):
|
||
|
_order_ = 'red green blue'
|
||
|
red = ()
|
||
|
green = ()
|
||
|
blue = ()
|
||
|
self.assertEqual(len(Color), 3, "wrong number of elements: %d (should be %d)" % (len(Color), 3))
|
||
|
self.assertEqual(list(Color), [Color.red, Color.green, Color.blue])
|
||
|
if pyver >= 3.0:
|
||
|
self.assertEqual(list(map(int, Color)), [1, 2, 3])
|
||
|
|
||
|
def test_inherited_new_from_mixed_enum(self):
|
||
|
class AutoNumber3(IntEnum):
|
||
|
def __new__(cls):
|
||
|
value = len(cls.__members__) + 1
|
||
|
obj = int.__new__(cls, value)
|
||
|
obj._value_ = value
|
||
|
return obj
|
||
|
class Color(AutoNumber3):
|
||
|
red = ()
|
||
|
green = ()
|
||
|
blue = ()
|
||
|
self.assertEqual(len(Color), 3, "wrong number of elements: %d (should be %d)" % (len(Color), 3))
|
||
|
Color.red
|
||
|
Color.green
|
||
|
Color.blue
|
||
|
|
||
|
def test_equality(self):
|
||
|
class AlwaysEqual:
|
||
|
def __eq__(self, other):
|
||
|
return True
|
||
|
class OrdinaryEnum(Enum):
|
||
|
a = 1
|
||
|
self.assertEqual(AlwaysEqual(), OrdinaryEnum.a)
|
||
|
self.assertEqual(OrdinaryEnum.a, AlwaysEqual())
|
||
|
|
||
|
def test_ordered_mixin(self):
|
||
|
class OrderedEnum(Enum):
|
||
|
def __ge__(self, other):
|
||
|
if self.__class__ is other.__class__:
|
||
|
return self._value_ >= other._value_
|
||
|
return NotImplemented
|
||
|
def __gt__(self, other):
|
||
|
if self.__class__ is other.__class__:
|
||
|
return self._value_ > other._value_
|
||
|
return NotImplemented
|
||
|
def __le__(self, other):
|
||
|
if self.__class__ is other.__class__:
|
||
|
return self._value_ <= other._value_
|
||
|
return NotImplemented
|
||
|
def __lt__(self, other):
|
||
|
if self.__class__ is other.__class__:
|
||
|
return self._value_ < other._value_
|
||
|
return NotImplemented
|
||
|
class Grade(OrderedEnum):
|
||
|
__order__ = 'A B C D F'
|
||
|
A = 5
|
||
|
B = 4
|
||
|
C = 3
|
||
|
D = 2
|
||
|
F = 1
|
||
|
self.assertEqual(list(Grade), [Grade.A, Grade.B, Grade.C, Grade.D, Grade.F])
|
||
|
self.assertTrue(Grade.A > Grade.B)
|
||
|
self.assertTrue(Grade.F <= Grade.C)
|
||
|
self.assertTrue(Grade.D < Grade.A)
|
||
|
self.assertTrue(Grade.B >= Grade.B)
|
||
|
|
||
|
def test_extending2(self):
|
||
|
def bad_extension():
|
||
|
class Shade(Enum):
|
||
|
def shade(self):
|
||
|
print(self.name)
|
||
|
class Color(Shade):
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3
|
||
|
class MoreColor(Color):
|
||
|
cyan = 4
|
||
|
magenta = 5
|
||
|
yellow = 6
|
||
|
self.assertRaises(TypeError, bad_extension)
|
||
|
|
||
|
def test_extending3(self):
|
||
|
class Shade(Enum):
|
||
|
def shade(self):
|
||
|
return self.name
|
||
|
class Color(Shade):
|
||
|
def hex(self):
|
||
|
return '%s hexlified!' % self.value
|
||
|
class MoreColor(Color):
|
||
|
cyan = 4
|
||
|
magenta = 5
|
||
|
yellow = 6
|
||
|
self.assertEqual(MoreColor.magenta.hex(), '5 hexlified!')
|
||
|
|
||
|
def test_no_duplicates(self):
|
||
|
def bad_duplicates():
|
||
|
class UniqueEnum(Enum):
|
||
|
def __init__(self, *args):
|
||
|
cls = self.__class__
|
||
|
if any(self.value == e.value for e in cls):
|
||
|
a = self.name
|
||
|
e = cls(self.value).name
|
||
|
raise ValueError(
|
||
|
"aliases not allowed in UniqueEnum: %r --> %r"
|
||
|
% (a, e)
|
||
|
)
|
||
|
class Color(UniqueEnum):
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3
|
||
|
class Color(UniqueEnum):
|
||
|
red = 1
|
||
|
green = 2
|
||
|
blue = 3
|
||
|
grene = 2
|
||
|
self.assertRaises(ValueError, bad_duplicates)
|
||
|
|
||
|
def test_init(self):
|
||
|
class Planet(Enum):
|
||
|
MERCURY = (3.303e+23, 2.4397e6)
|
||
|
VENUS = (4.869e+24, 6.0518e6)
|
||
|
EARTH = (5.976e+24, 6.37814e6)
|
||
|
MARS = (6.421e+23, 3.3972e6)
|
||
|
JUPITER = (1.9e+27, 7.1492e7)
|
||
|
SATURN = (5.688e+26, 6.0268e7)
|
||
|
URANUS = (8.686e+25, 2.5559e7)
|
||
|
NEPTUNE = (1.024e+26, 2.4746e7)
|
||
|
def __init__(self, mass, radius):
|
||
|
self.mass = mass # in kilograms
|
||
|
self.radius = radius # in meters
|
||
|
@property
|
||
|
def surface_gravity(self):
|
||
|
# universal gravitational constant (m3 kg-1 s-2)
|
||
|
G = 6.67300E-11
|
||
|
return G * self.mass / (self.radius * self.radius)
|
||
|
self.assertEqual(round(Planet.EARTH.surface_gravity, 2), 9.80)
|
||
|
self.assertEqual(Planet.EARTH.value, (5.976e+24, 6.37814e6))
|
||
|
|
||
|
def test_nonhash_value(self):
|
||
|
class AutoNumberInAList(Enum):
|
||
|
def __new__(cls):
|
||
|
value = [len(cls.__members__) + 1]
|
||
|
obj = object.__new__(cls)
|
||
|
obj._value_ = value
|
||
|
return obj
|
||
|
class ColorInAList(AutoNumberInAList):
|
||
|
_order_ = 'red green blue'
|
||
|
red = ()
|
||
|
green = ()
|
||
|
blue = ()
|
||
|
self.assertEqual(list(ColorInAList), [ColorInAList.red, ColorInAList.green, ColorInAList.blue])
|
||
|
self.assertEqual(ColorInAList.red.value, [1])
|
||
|
self.assertEqual(ColorInAList([1]), ColorInAList.red)
|
||
|
|
||
|
def test_conflicting_types_resolved_in_new(self):
|
||
|
class LabelledIntEnum(int, Enum):
|
||
|
def __new__(cls, *args):
|
||
|
value, label = args
|
||
|
obj = int.__new__(cls, value)
|
||
|
obj.label = label
|
||
|
obj._value_ = value
|
||
|
return obj
|
||
|
|
||
|
class LabelledList(LabelledIntEnum):
|
||
|
unprocessed = (1, "Unprocessed")
|
||
|
payment_complete = (2, "Payment Complete")
|
||
|
|
||
|
self.assertEqual(list(LabelledList), [LabelledList.unprocessed, LabelledList.payment_complete])
|
||
|
self.assertEqual(LabelledList.unprocessed, 1)
|
||
|
self.assertEqual(LabelledList(1), LabelledList.unprocessed)
|
||
|
|
||
|
def test_empty_with_functional_api(self):
|
||
|
empty = enum.IntEnum('Foo', {})
|
||
|
self.assertEqual(len(empty), 0)
|
||
|
|
||
|
|
||
|
class TestUnique(unittest.TestCase):
|
||
|
"""2.4 doesn't allow class decorators, use function syntax."""
|
||
|
|
||
|
def test_unique_clean(self):
|
||
|
class Clean(Enum):
|
||
|
one = 1
|
||
|
two = 'dos'
|
||
|
tres = 4.0
|
||
|
unique(Clean)
|
||
|
class Cleaner(IntEnum):
|
||
|
single = 1
|
||
|
double = 2
|
||
|
triple = 3
|
||
|
unique(Cleaner)
|
||
|
|
||
|
def test_unique_dirty(self):
|
||
|
try:
|
||
|
class Dirty(Enum):
|
||
|
__order__ = 'one two tres'
|
||
|
one = 1
|
||
|
two = 'dos'
|
||
|
tres = 1
|
||
|
unique(Dirty)
|
||
|
except ValueError:
|
||
|
exc = sys.exc_info()[1]
|
||
|
message = exc.args[0]
|
||
|
self.assertTrue('tres -> one' in message)
|
||
|
|
||
|
try:
|
||
|
class Dirtier(IntEnum):
|
||
|
_order_ = 'single double triple turkey'
|
||
|
single = 1
|
||
|
double = 1
|
||
|
triple = 3
|
||
|
turkey = 3
|
||
|
unique(Dirtier)
|
||
|
except ValueError:
|
||
|
exc = sys.exc_info()[1]
|
||
|
message = exc.args[0]
|
||
|
self.assertTrue('double -> single' in message)
|
||
|
self.assertTrue('turkey -> triple' in message)
|
||
|
|
||
|
|
||
|
class TestMe(unittest.TestCase):
|
||
|
|
||
|
pass
|
||
|
|
||
|
if __name__ == '__main__':
|
||
|
unittest.main()
|