diff options
author | Dan Klein <danklei@cisco.com> | 2015-08-26 18:16:09 +0300 |
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committer | Dan Klein <danklei@cisco.com> | 2015-08-26 18:16:09 +0300 |
commit | f8ac9d14a989c8cf1535e16165551dfa370b0b74 (patch) | |
tree | 43e396eb5d096ad74ec02afeccf8995a4d241a0f /external_libs/python/enum34-1.0.4/enum/test_enum.py | |
parent | cdcc62972d42f009f55e6aeb2ca5c60c3acd75eb (diff) | |
parent | 53f0e28d7f30c7175cbb15884c309613593859d8 (diff) |
Merge branch 'master' into dan_stateless
Diffstat (limited to 'external_libs/python/enum34-1.0.4/enum/test_enum.py')
-rw-r--r-- | external_libs/python/enum34-1.0.4/enum/test_enum.py | 1690 |
1 files changed, 0 insertions, 1690 deletions
diff --git a/external_libs/python/enum34-1.0.4/enum/test_enum.py b/external_libs/python/enum34-1.0.4/enum/test_enum.py deleted file mode 100644 index d7a97942..00000000 --- a/external_libs/python/enum34-1.0.4/enum/test_enum.py +++ /dev/null @@ -1,1690 +0,0 @@ -import enum -import sys -import unittest -from enum import Enum, IntEnum, unique, EnumMeta -from pickle import dumps, loads, PicklingError, HIGHEST_PROTOCOL - -pyver = float('%s.%s' % sys.version_info[:2]) - -try: - any -except NameError: - def any(iterable): - for element in iterable: - if element: - return True - return False - -try: - unicode -except NameError: - unicode = str - -try: - from collections import OrderedDict -except ImportError: - OrderedDict = None - -# for pickle tests -try: - class Stooges(Enum): - LARRY = 1 - CURLY = 2 - MOE = 3 -except Exception: - Stooges = sys.exc_info()[1] - -try: - class IntStooges(int, Enum): - LARRY = 1 - CURLY = 2 - MOE = 3 -except Exception: - IntStooges = sys.exc_info()[1] - -try: - class FloatStooges(float, Enum): - LARRY = 1.39 - CURLY = 2.72 - MOE = 3.142596 -except Exception: - FloatStooges = sys.exc_info()[1] - -# for pickle test and subclass tests -try: - class StrEnum(str, Enum): - 'accepts only string values' - class Name(StrEnum): - BDFL = 'Guido van Rossum' - FLUFL = 'Barry Warsaw' -except Exception: - Name = sys.exc_info()[1] - -try: - Question = Enum('Question', 'who what when where why', module=__name__) -except Exception: - Question = sys.exc_info()[1] - -try: - Answer = Enum('Answer', 'him this then there because') -except Exception: - Answer = sys.exc_info()[1] - -try: - Theory = Enum('Theory', 'rule law supposition', qualname='spanish_inquisition') -except Exception: - Theory = sys.exc_info()[1] - -# for doctests -try: - class Fruit(Enum): - tomato = 1 - banana = 2 - cherry = 3 -except Exception: - pass - -def test_pickle_dump_load(assertion, source, target=None, - protocol=(0, HIGHEST_PROTOCOL)): - start, stop = protocol - failures = [] - for protocol in range(start, stop+1): - try: - if target is None: - assertion(loads(dumps(source, protocol=protocol)) is source) - else: - assertion(loads(dumps(source, protocol=protocol)), target) - except Exception: - exc, tb = sys.exc_info()[1:] - failures.append('%2d: %s' %(protocol, exc)) - if failures: - raise ValueError('Failed with protocols: %s' % ', '.join(failures)) - -def test_pickle_exception(assertion, exception, obj, - protocol=(0, HIGHEST_PROTOCOL)): - start, stop = protocol - failures = [] - for protocol in range(start, stop+1): - try: - assertion(exception, dumps, obj, protocol=protocol) - except Exception: - exc = sys.exc_info()[1] - failures.append('%d: %s %s' % (protocol, exc.__class__.__name__, exc)) - if failures: - raise ValueError('Failed with protocols: %s' % ', '.join(failures)) - - -class TestHelpers(unittest.TestCase): - # _is_descriptor, _is_sunder, _is_dunder - - def test_is_descriptor(self): - class foo: - pass - for attr in ('__get__','__set__','__delete__'): - obj = foo() - self.assertFalse(enum._is_descriptor(obj)) - setattr(obj, attr, 1) - self.assertTrue(enum._is_descriptor(obj)) - - def test_is_sunder(self): - for s in ('_a_', '_aa_'): - self.assertTrue(enum._is_sunder(s)) - - for s in ('a', 'a_', '_a', '__a', 'a__', '__a__', '_a__', '__a_', '_', - '__', '___', '____', '_____',): - self.assertFalse(enum._is_sunder(s)) - - def test_is_dunder(self): - for s in ('__a__', '__aa__'): - self.assertTrue(enum._is_dunder(s)) - for s in ('a', 'a_', '_a', '__a', 'a__', '_a_', '_a__', '__a_', '_', - '__', '___', '____', '_____',): - self.assertFalse(enum._is_dunder(s)) - - -class TestEnum(unittest.TestCase): - def setUp(self): - class Season(Enum): - SPRING = 1 - SUMMER = 2 - AUTUMN = 3 - WINTER = 4 - self.Season = Season - - class Konstants(float, Enum): - E = 2.7182818 - PI = 3.1415926 - TAU = 2 * PI - self.Konstants = Konstants - - class Grades(IntEnum): - A = 5 - B = 4 - C = 3 - D = 2 - F = 0 - self.Grades = Grades - - class Directional(str, Enum): - EAST = 'east' - WEST = 'west' - NORTH = 'north' - SOUTH = 'south' - self.Directional = Directional - - from datetime import date - class Holiday(date, Enum): - NEW_YEAR = 2013, 1, 1 - IDES_OF_MARCH = 2013, 3, 15 - self.Holiday = Holiday - - if pyver >= 2.6: # cannot specify custom `dir` on previous versions - def test_dir_on_class(self): - Season = self.Season - self.assertEqual( - set(dir(Season)), - set(['__class__', '__doc__', '__members__', '__module__', - 'SPRING', 'SUMMER', 'AUTUMN', 'WINTER']), - ) - - def test_dir_on_item(self): - Season = self.Season - self.assertEqual( - set(dir(Season.WINTER)), - set(['__class__', '__doc__', '__module__', 'name', 'value']), - ) - - def test_dir_on_sub_with_behavior_on_super(self): - # see issue22506 - class SuperEnum(Enum): - def invisible(self): - return "did you see me?" - class SubEnum(SuperEnum): - sample = 5 - self.assertEqual( - set(dir(SubEnum.sample)), - set(['__class__', '__doc__', '__module__', 'name', 'value', 'invisible']), - ) - - if pyver >= 2.7: # OrderedDict first available here - def test_members_is_ordereddict_if_ordered(self): - class Ordered(Enum): - __order__ = 'first second third' - first = 'bippity' - second = 'boppity' - third = 'boo' - self.assertTrue(type(Ordered.__members__) is OrderedDict) - - def test_members_is_ordereddict_if_not_ordered(self): - class Unordered(Enum): - this = 'that' - these = 'those' - self.assertTrue(type(Unordered.__members__) is OrderedDict) - - if pyver >= 3.0: # all objects are ordered in Python 2.x - def test_members_is_always_ordered(self): - class AlwaysOrdered(Enum): - first = 1 - second = 2 - third = 3 - self.assertTrue(type(AlwaysOrdered.__members__) is OrderedDict) - - def test_comparisons(self): - def bad_compare(): - Season.SPRING > 4 - Season = self.Season - self.assertNotEqual(Season.SPRING, 1) - self.assertRaises(TypeError, bad_compare) - - class Part(Enum): - SPRING = 1 - CLIP = 2 - BARREL = 3 - - self.assertNotEqual(Season.SPRING, Part.SPRING) - def bad_compare(): - Season.SPRING < Part.CLIP - self.assertRaises(TypeError, bad_compare) - - def test_enum_in_enum_out(self): - Season = self.Season - self.assertTrue(Season(Season.WINTER) is Season.WINTER) - - def test_enum_value(self): - Season = self.Season - self.assertEqual(Season.SPRING.value, 1) - - def test_intenum_value(self): - self.assertEqual(IntStooges.CURLY.value, 2) - - def test_enum(self): - Season = self.Season - lst = list(Season) - self.assertEqual(len(lst), len(Season)) - self.assertEqual(len(Season), 4, Season) - self.assertEqual( - [Season.SPRING, Season.SUMMER, Season.AUTUMN, Season.WINTER], lst) - - for i, season in enumerate('SPRING SUMMER AUTUMN WINTER'.split()): - i += 1 - e = Season(i) - self.assertEqual(e, getattr(Season, season)) - self.assertEqual(e.value, i) - self.assertNotEqual(e, i) - self.assertEqual(e.name, season) - self.assertTrue(e in Season) - self.assertTrue(type(e) is Season) - self.assertTrue(isinstance(e, Season)) - self.assertEqual(str(e), 'Season.' + season) - self.assertEqual( - repr(e), - '<Season.%s: %s>' % (season, i), - ) - - def test_value_name(self): - Season = self.Season - self.assertEqual(Season.SPRING.name, 'SPRING') - self.assertEqual(Season.SPRING.value, 1) - def set_name(obj, new_value): - obj.name = new_value - def set_value(obj, new_value): - obj.value = new_value - self.assertRaises(AttributeError, set_name, Season.SPRING, 'invierno', ) - self.assertRaises(AttributeError, set_value, Season.SPRING, 2) - - def test_attribute_deletion(self): - class Season(Enum): - SPRING = 1 - SUMMER = 2 - AUTUMN = 3 - WINTER = 4 - - def spam(cls): - pass - - self.assertTrue(hasattr(Season, 'spam')) - del Season.spam - self.assertFalse(hasattr(Season, 'spam')) - - self.assertRaises(AttributeError, delattr, Season, 'SPRING') - self.assertRaises(AttributeError, delattr, Season, 'DRY') - self.assertRaises(AttributeError, delattr, Season.SPRING, 'name') - - def test_invalid_names(self): - def create_bad_class_1(): - class Wrong(Enum): - mro = 9 - def create_bad_class_2(): - class Wrong(Enum): - _reserved_ = 3 - self.assertRaises(ValueError, create_bad_class_1) - self.assertRaises(ValueError, create_bad_class_2) - - def test_contains(self): - Season = self.Season - self.assertTrue(Season.AUTUMN in Season) - self.assertTrue(3 not in Season) - - val = Season(3) - self.assertTrue(val in Season) - - class OtherEnum(Enum): - one = 1; two = 2 - self.assertTrue(OtherEnum.two not in Season) - - if pyver >= 2.6: # when `format` came into being - - def test_format_enum(self): - Season = self.Season - self.assertEqual('{0}'.format(Season.SPRING), - '{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)) - - 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_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_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_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_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_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_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_reversed(self): - self.assertEqual( - list(reversed(self.Season)), - [self.Season.WINTER, self.Season.AUTUMN, self.Season.SUMMER, - self.Season.SPRING] - ) - - 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) - -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() |