blob: c441a429892d6e9bb38f14906c7b9006f5e69a50 [file] [log] [blame]
from __future__ import division
import sys
pyver = float('%s.%s' % sys.version_info[:2])
import aenum
import doctest
import unittest
from aenum import EnumMeta, Enum, IntEnum, AutoNumberEnum, OrderedEnum, UniqueEnum, Flag, IntFlag
from aenum import NamedTuple, TupleSize, NamedConstant, constant, NoAlias, AutoNumber, AutoValue, Unique
from aenum import _reduce_ex_by_name, unique, skip, extend_enum, auto, enum, MultiValue
from collections import OrderedDict
from datetime import timedelta
from pickle import dumps, loads, PicklingError, HIGHEST_PROTOCOL
from operator import or_ as _or_, and_ as _and_, xor as _xor_, inv as _inv_
from operator import abs as _abs_, add as _add_, floordiv as _floordiv_
from operator import lshift as _lshift_, rshift as _rshift_, mod as _mod_
from operator import mul as _mul_, neg as _neg_, pos as _pos_, pow as _pow_
from operator import truediv as _truediv_, sub as _sub_
if pyver < 3:
from operator import div as _div_
try:
import threading
except ImportError:
threading = None
try:
basestring
except NameError:
# In Python 2 basestring is the ancestor of both str and unicode
# in Python 3 it's just str, but was missing in 3.1
basestring = str
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 enum import EnumMeta as StdlibEnumMeta, Enum as StdlibEnum
import enum as enum_module
if hasattr(enum_module, 'version'):
StdlibEnumMeta = StdlibEnum = None
del enum_module
except ImportError:
StdlibEnumMeta = StdlibEnum = None
def load_tests(loader, tests, ignore):
tests.addTests(doctest.DocTestSuite(aenum))
tests.addTests(doctest.DocFileSuite(
'doc/aenum.rst',
package=aenum,
optionflags=doctest.ELLIPSIS|doctest.NORMALIZE_WHITESPACE,
))
return tests
class TestCase(unittest.TestCase):
def __init__(self, *args, **kwds):
regex = getattr(self, 'assertRaisesRegex', None)
if regex is None:
self.assertRaisesRegex = getattr(self, 'assertRaisesRegexp')
super(TestCase, self).__init__(*args, **kwds)
# 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]
try:
class FlagStooges(Flag):
LARRY = 1
CURLY = 2
MOE = 3
except Exception as exc:
FlagStooges = exc
try:
LifeForm = NamedTuple('LifeForm', 'branch genus species', module=__name__)
except Exception:
LifeForm = sys.exc_info()[1]
try:
class DeathForm(NamedTuple):
color = 0
rigidity = 1
odor = 2
except Exception:
DeathForm = 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]
try:
class WhatsIt(NamedTuple):
def what(self):
return self[0]
class ThatsIt(WhatsIt):
blah = 0
bleh = 1
except Exception:
ThatsIt = 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:
# if isinstance(source, Enum):
# print('tpdl 1')
# assertion(loads(dumps(source, protocol=protocol)) is source)
# else:
# print('tpdl 2')
assertion(loads(dumps(source, protocol=protocol)), source)
else:
# print('tpdl 3')
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))
if pyver >= 3.0:
from aenum.test_v3 import TestEnumV3, TestOrderV3, TestNamedTupleV3
from aenum import test_v3
test_v3.pyver = pyver
test_v3.IntStooges = IntStooges
test_v3.test_pickle_exception = test_pickle_exception
test_v3.test_pickle_dump_load = test_pickle_dump_load
# tests
class TestHelpers(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(aenum._is_descriptor(obj))
setattr(obj, attr, 1)
self.assertTrue(aenum._is_descriptor(obj))
def test_is_sunder(self):
for s in ('_a_', '_aa_'):
self.assertTrue(aenum._is_sunder(s))
for s in ('a', 'a_', '_a', '__a', 'a__', '__a__', '_a__', '__a_', '_',
'__', '___', '____', '_____',):
self.assertFalse(aenum._is_sunder(s))
def test_is_dunder(self):
for s in ('__a__', '__aa__'):
self.assertTrue(aenum._is_dunder(s))
for s in ('a', 'a_', '_a', '__a', 'a__', '_a_', '_a__', '__a_', '_',
'__', '___', '____', '_____',):
self.assertFalse(aenum._is_dunder(s))
def test_auto(self):
def tester(first, op, final, second=None):
if second is None:
left = auto()
value = op(left)
left.value = first
self.assertEqual(value.value, final,
"%s %r -> %r != %r" % (op.__name__, first, value, final))
else:
left = first
right = auto()
value = op(left, right)
right.value = second
self.assertEqual(value.value, final,
"forward: %r %s %r -> %r != %r" % (first, op.__name__, second, value.value, final))
left = auto()
right = second
value = op(left, right)
left.value = first
self.assertEqual(value.value, final,
"reversed: %r %s %r -> %r != %r" % (second, op.__name__, first, value.value, final))
for args in (
(1, _abs_, abs(1)),
(-3, _abs_, abs(-3)),
(1, _add_, 1+2, 2),
(25, _floordiv_, 25 // 5, 5),
(49, _truediv_, 49 / 9, 9),
(6, _mod_, 6 % 9, 9),
(5, _lshift_, 5 << 2, 2),
(5, _rshift_, 5 >> 2, 2),
(3, _mul_, 3 * 6, 6),
(5, _neg_, -5),
(-4, _pos_, +(-4)),
(2, _pow_, 2**5, 5),
(7, _sub_, 7 - 10, 10),
(1, _or_, 1 | 2, 2),
(3, _xor_, 3 ^ 6, 6),
(3, _and_, 3 & 6, 6),
(7, _inv_, ~7),
('a', _add_, 'a'+'b', 'b'),
('a', _mul_, 'a' * 3, 3),
):
tester(*args)
# operator.div is gone in 3
if pyver < 3:
tester(12, _div_, 12 // 5, 5)
# strigs are a pain
left = auto()
right = 'eggs'
value = _mod_(left, right)
left.value = 'I see 17 %s!'
self.assertEqual(value.value, 'I see 17 %s!' % 'eggs')
class TestEnum(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
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)
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_enum_helper(self):
e1 = enum(1, 2, three=9)
e2 = enum(1, 2, three=9)
e3 = enum(1, 2, 9)
self.assertTrue(e1 is not e2)
self.assertEqual(e1, e2)
self.assertNotEqual(e1, e3)
self.assertNotEqual(e2, e3)
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_bool_of_class(self):
class Empty(Enum):
pass
self.assertTrue(bool(Empty))
def test_bool_of_member(self):
class Count(Enum):
zero = 0
one = 1
two = 2
for member in Count:
self.assertTrue(bool(member))
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_bool(self):
class Logic(Enum):
true = True
false = False
def __bool__(self):
return bool(self.value)
__nonzero__ = __bool__
self.assertTrue(Logic.true)
self.assertFalse(Logic.false)
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):
class Season(Enum):
__order__ = "SPRING SUMMER AUTUMN WINTER"
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']),
)
def test_enum_with_value_name(self):
class Huh(Enum):
_order_ = 'name value'
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_floatenum_fromhex(self):
h = float.hex(FloatStooges.MOE.value)
self.assertIs(FloatStooges.fromhex(h), FloatStooges.MOE)
h = float.hex(FloatStooges.MOE.value + 0.01)
with self.assertRaises(ValueError):
FloatStooges.fromhex(h)
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)
def test_pickle_by_name(self):
class ReplaceGlobalInt(IntEnum):
ONE = 1
TWO = 2
ReplaceGlobalInt.__reduce_ex__ = _reduce_ex_by_name
for proto in range(HIGHEST_PROTOCOL):
self.assertEqual(ReplaceGlobalInt.TWO.__reduce_ex__(proto), 'TWO')
def test_exploding_pickle(self):
BadPickle = Enum('BadPickle', 'dill sweet bread-n-butter')
aenum._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
temp_dict = metacls.__prepare__(cls, bases, {})
if hasattr(original_dict, '_member_names'):
for k in original_dict._member_names:
temp_dict[k] = original_dict[k]
sunders = [k for k in original_dict.keys() if aenum._is_sunder(k)]
else:
sunders = []
for k, v in original_dict.items():
if aenum._is_sunder(k):
sunders.append(k)
temp_dict[k] = v
classdict = metacls.__prepare__(cls, bases, {})
i = 0
for k in sunders:
classdict[k] = original_dict[k]
for k in temp_dict._member_names:
v = original_dict[k]
if v == ():
v = i
else:
i = v
i += 1
classdict[k] = v
for k, v in original_dict.items():
if k not in temp_dict._member_names and k not in sunders:
classdict[k] = v
return super(auto_enum, metacls).__new__(
metacls, cls, bases, classdict)
AutoNumberedEnum = auto_enum('AutoNumberedEnum', (Enum,), {})
AutoIntEnum = auto_enum('AutoIntEnum', (IntEnum,), {})
class TestAutoNumber(AutoNumberedEnum):
a = ()
b = 3
c = ()
self.assertEqual(TestAutoNumber.b.value, 3)
if pyver >= 3.0:
self.assertEqual(
[TestAutoNumber.a.value, TestAutoNumber.b.value, TestAutoNumber.c.value],
[0, 3, 4],
)
class TestAutoInt(AutoIntEnum):
a = ()
b = 3
c = ()
self.assertEqual(TestAutoInt.b, 3)
if pyver >= 3.0:
self.assertEqual(
[TestAutoInt.a.value, TestAutoInt.b.value, TestAutoInt.c.value],
[0, 3, 4],
)
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)
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 NumericEnum(AutoNumberEnum):
__order__ = 'enum_m enum_d enum_y'
enum_m = ()
enum_d = ()
enum_y = ()
def __int__(self):
return int(self._value_)
self.assertEqual(int(NumericEnum.enum_d), 2)
self.assertEqual(NumericEnum.enum_y.value, 3)
self.assertTrue(NumericEnum(1) is NumericEnum.enum_m)
self.assertEqual(
list(NumericEnum),
[NumericEnum.enum_m, NumericEnum.enum_d, NumericEnum.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 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_missing_deprecated(self):
class Label(Enum):
AnyApple = 0
RedApple = 1
GreenApple = 2
@classmethod
def _missing_(cls, name):
return cls.AnyApple
self.assertEqual(Label.AnyApple, Label(4))
with self.assertRaises(AttributeError):
Label.redapple
with self.assertRaises(KeyError):
Label['redapple']
def test_missing(self):
class Label(Enum):
AnyApple = 0
RedApple = 1
GreenApple = 2
@classmethod
def _missing_value_(cls, name):
return cls.AnyApple
self.assertEqual(Label.AnyApple, Label(4))
with self.assertRaises(AttributeError):
Label.redapple
with self.assertRaises(KeyError):
Label['redapple']
def test_missing_name(self):
class Label(Enum):
RedApple = 1
GreenApple = 2
@classmethod
def _missing_name_(cls, name):
for member in cls:
if member.name.lower() == name.lower():
return member
Label['redapple']
with self.assertRaises(AttributeError):
Label.redapple
with self.assertRaises(ValueError):
Label('redapple')
def test_missing_name_bad_return(self):
class Label(Enum):
RedApple = 1
GreenApple = 2
@classmethod
def _missing_name_(cls, name):
return None
with self.assertRaises(AttributeError):
Label.redapple
with self.assertRaises(ValueError):
Label('redapple')
with self.assertRaises(KeyError):
Label['redapple']
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_extend_enum_plain(self):
class Color(UniqueEnum):
red = 1
green = 2
blue = 3
extend_enum(Color, 'brown', 4)
self.assertEqual(Color.brown.name, 'brown')
self.assertEqual(Color.brown.value, 4)
self.assertTrue(Color.brown in Color)
self.assertEqual(len(Color), 4)
def test_extend_enum_shadow(self):
class Color(UniqueEnum):
red = 1
green = 2
blue = 3
extend_enum(Color, 'value', 4)
self.assertEqual(Color.value.name, 'value')
self.assertEqual(Color.value.value, 4)
self.assertTrue(Color.value in Color)
self.assertEqual(len(Color), 4)
self.assertEqual(Color.red.value, 1)
def test_extend_intenum(self):
class Index(Enum):
DeviceType = 0x1000
ErrorRegister = 0x1001
for name, value in (
('ControlWord', 0x6040),
('StatusWord', 0x6041),
('OperationMode', 0x6060),
):
extend_enum(Index, name, value)
self.assertEqual(len(Index), 5)
self.assertEqual(list(Index), [Index.DeviceType, Index.ErrorRegister, Index.ControlWord, Index.StatusWord, Index.OperationMode])
self.assertEqual(Index.DeviceType.value, 0x1000)
self.assertEqual(Index.StatusWord.value, 0x6041)
def test_no_duplicates(self):
def bad_duplicates():
class Color1(UniqueEnum):
red = 1
green = 2
blue = 3
class Color2(UniqueEnum):
red = 1
green = 2
blue = 3
grene = 2
self.assertRaises(ValueError, bad_duplicates)
def test_no_duplicates_kinda(self):
class Silly(UniqueEnum):
one = 1
two = 'dos'
name = 3
class Sillier(IntEnum, UniqueEnum):
single = 1
name = 2
triple = 3
value = 4
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))
@skip
def test_init_and_autonumber(self):
pass
@skip
def test_init_and_autonumber_and_value(self):
pass
def test_no_init_and_autonumber(self):
class DocEnum(str, Enum):
"""
compares equal to all cased versions of its name
accepts a docstring for each member
"""
_settings_ = AutoNumber
def __init__(self, value, doc=None):
# first, fix _value_
self._value_ = self._name_.lower()
self.__doc__ = doc
def __eq__(self, other):
if isinstance(other, basestring):
return self._value_ == other.lower()
elif isinstance(other, self.__class__):
return self is other
else:
return False
def __ne__(self, other):
return not self == other
REQUIRED = "required value"
OPTION = "single value per name"
MULTI = "multiple values per name (list form, no whitespace)"
FLAG = "boolean/trivalent value per name"
KEYWORD = 'unknown options'
self.assertEqual(DocEnum.REQUIRED, 'required')
self.assertEqual(DocEnum.REQUIRED, 'Required')
self.assertEqual(DocEnum.REQUIRED, 'REQUIRED')
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(LabelledList.unprocessed, 1)
self.assertEqual(LabelledList(1), LabelledList.unprocessed)
self.assertEqual(list(LabelledList), [LabelledList.unprocessed, LabelledList.payment_complete])
def test_auto_number(self):
class Color(Enum):
_order_ = 'red blue green'
red = auto()
blue = auto()
green = auto()
self.assertEqual(list(Color), [Color.red, Color.blue, Color.green])
self.assertEqual(Color.red.value, 1)
self.assertEqual(Color.blue.value, 2)
self.assertEqual(Color.green.value, 3)
def test_auto_name(self):
class Color(Enum):
_order_ = 'red blue green'
def _generate_next_value_(name, start, count, last):
return name
red = auto()
blue = auto()
green = auto()
self.assertEqual(list(Color), [Color.red, Color.blue, Color.green])
self.assertEqual(Color.red.value, 'red')
self.assertEqual(Color.blue.value, 'blue')
self.assertEqual(Color.green.value, 'green')
def test_auto_name_inherit(self):
class AutoNameEnum(Enum):
def _generate_next_value_(name, start, count, last):
return name
class Color(AutoNameEnum):
_order_ = 'red blue green'
red = auto()
blue = auto()
green = auto()
self.assertEqual(list(Color), [Color.red, Color.blue, Color.green])
self.assertEqual(Color.red.value, 'red')
self.assertEqual(Color.blue.value, 'blue')
self.assertEqual(Color.green.value, 'green')
def test_auto_garbage(self):
class Color(Enum):
_order_ = 'red blue'
red = 'red'
blue = auto()
self.assertEqual(Color.blue.value, 1)
def test_auto_garbage_corrected(self):
class Color(Enum):
_order_ = 'red blue green'
red = 'red'
blue = 2
green = auto()
self.assertEqual(list(Color), [Color.red, Color.blue, Color.green])
self.assertEqual(Color.red.value, 'red')
self.assertEqual(Color.blue.value, 2)
self.assertEqual(Color.green.value, 3)
def test_duplicate_auto(self):
class Dupes(Enum):
_order_ = 'first second third'
first = primero = auto()
second = auto()
third = auto()
self.assertEqual([Dupes.first, Dupes.second, Dupes.third], list(Dupes))
def test_auto_value_with_auto(self):
class SelectionEnum(Enum):
_init_ = 'db user'
def __new__(cls, *args, **kwds):
count = len(cls.__members__)
obj = object.__new__(cls)
obj._count = count
obj._value_ = args
obj.db, obj.user = args
return obj
@staticmethod
def _generate_next_value_(name, start, count, values, *args, **kwds):
return (name, ) + args
class Test(SelectionEnum):
_order_ = 'this that'
this = auto('these')
that = auto('those')
self.assertEqual(list(Test), [Test.this, Test.that])
self.assertEqual(Test.this.name, 'this')
self.assertEqual(Test.this.value, ('this', 'these'))
self.assertEqual(Test.this.db, 'this')
self.assertEqual(Test.this.user, 'these')
self.assertEqual(Test.that.name, 'that')
self.assertEqual(Test.that.value, ('that', 'those'))
self.assertEqual(Test.that.db, 'that')
self.assertEqual(Test.that.user, 'those')
def test_auto_value_with_autovalue(self):
class SelectionEnum(Enum):
_init_ = 'db user'
_settings_ = AutoValue
def __new__(cls, *args, **kwds):
count = len(cls.__members__)
obj = object.__new__(cls)
obj._count = count
obj._value_ = args
return obj
@staticmethod
def _generate_next_value_(name, start, count, values, *args, **kwds):
return (name, ) + args
class Test(SelectionEnum):
_order_ = 'this that'
this = 'these'
that = 'those'
self.assertEqual(list(Test), [Test.this, Test.that])
self.assertEqual(Test.this.name, 'this')
self.assertEqual(Test.this.value, ('this', 'these'))
self.assertEqual(Test.this.db, 'this')
self.assertEqual(Test.this.user, 'these')
self.assertEqual(Test.that.name, 'that')
self.assertEqual(Test.that.value, ('that', 'those'))
self.assertEqual(Test.that.db, 'that')
self.assertEqual(Test.that.user, 'those')
def test_empty_with_functional_api(self):
empty = aenum.IntEnum('Foo', {})
self.assertEqual(len(empty), 0)
def test_auto_init(self):
class Planet(Enum):
_init_ = 'mass radius'
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)
@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_auto_init_with_value(self):
class Color(Enum):
_init_='value, rgb'
RED = 1, (1, 0, 0)
BLUE = 2, (0, 1, 0)
GREEN = 3, (0, 0, 1)
self.assertEqual(Color.RED.value, 1)
self.assertEqual(Color.BLUE.value, 2)
self.assertEqual(Color.GREEN.value, 3)
self.assertEqual(Color.RED.rgb, (1, 0, 0))
self.assertEqual(Color.BLUE.rgb, (0, 1, 0))
self.assertEqual(Color.GREEN.rgb, (0, 0, 1))
def test_settings(self):
class Settings(Enum):
_settings_ = NoAlias
red = 1
rojo = 1
self.assertFalse(Settings.red is Settings.rojo)
def test_auto_and_init(self):
class Field(IntEnum):
_order_ = 'TYPE START'
_init_ = '__doc__'
_settings_ = AutoNumber
TYPE = "Char, Date, Logical, etc."
START = "Field offset in record"
self.assertEqual(Field.TYPE, 1)
self.assertEqual(Field.START, 2)
self.assertEqual(Field.TYPE.__doc__, 'Char, Date, Logical, etc.')
self.assertEqual(Field.START.__doc__, 'Field offset in record')
def test_auto_and_start(self):
class Field(IntEnum):
_order_ = 'TYPE START'
_start_ = 0
_init_ = '__doc__'
TYPE = "Char, Date, Logical, etc."
START = "Field offset in record"
self.assertEqual(Field.TYPE, 0)
self.assertEqual(Field.START, 1)
self.assertEqual(Field.TYPE.__doc__, 'Char, Date, Logical, etc.')
self.assertEqual(Field.START.__doc__, 'Field offset in record')
def test_auto_and_init_and_some_values(self):
class Field(IntEnum):
_order_ = 'TYPE START BLAH BELCH'
_init_ = '__doc__'
_settings_ = AutoNumber
TYPE = "Char, Date, Logical, etc."
START = "Field offset in record"
BLAH = 5, "test blah"
BELCH = 'test belch'
self.assertEqual(Field.TYPE, 1)
self.assertEqual(Field.START, 2)
self.assertEqual(Field.BLAH, 5)
self.assertEqual(Field.BELCH, 6)
self.assertEqual(Field.TYPE.__doc__, 'Char, Date, Logical, etc.')
self.assertEqual(Field.START.__doc__, 'Field offset in record')
self.assertEqual(Field.BLAH.__doc__, 'test blah')
self.assertEqual(Field.BELCH.__doc__, 'test belch')
def test_auto_and_init_and_some_complex_values(self):
class Field(IntEnum):
_order_ = 'TYPE START BLAH BELCH'
_init_ = '__doc__ help'
_settings_ = AutoNumber
TYPE = "Char, Date, Logical, etc.", "fields composed of character data"
START = "Field offset in record", "where the data starts in the record"
BLAH = 5, "test blah", "some help"
BELCH = 'test belch', "some more help"
self.assertEqual(Field.TYPE, 1)
self.assertEqual(Field.START, 2)
self.assertEqual(Field.BLAH, 5)
self.assertEqual(Field.BELCH, 6)
self.assertEqual(Field.TYPE.__doc__, 'Char, Date, Logical, etc.')
self.assertEqual(Field.START.__doc__, 'Field offset in record')
self.assertEqual(Field.BLAH.__doc__, 'test blah')
self.assertEqual(Field.BELCH.__doc__, 'test belch')
self.assertEqual(Field.TYPE.help, "fields composed of character data")
self.assertEqual(Field.START.help, "where the data starts in the record")
self.assertEqual(Field.BLAH.help, "some help")
self.assertEqual(Field.BELCH.help, "some more help")
def test_auto_and_init_inherited(self):
class AutoEnum(IntEnum):
_start_ = 0
_init_ = '__doc__'
class Field(AutoEnum):
_order_ = 'TYPE START BLAH BELCH'
TYPE = "Char, Date, Logical, etc."
START = "Field offset in record"
BLAH = 5, "test blah"
BELCH = 'test belch'
self.assertEqual(Field.TYPE, 0)
self.assertEqual(Field.START, 1)
self.assertEqual(Field.BLAH, 5)
self.assertEqual(Field.BELCH, 6)
self.assertEqual(Field.TYPE.__doc__, 'Char, Date, Logical, etc.')
self.assertEqual(Field.START.__doc__, 'Field offset in record')
self.assertEqual(Field.BLAH.__doc__, 'test blah')
self.assertEqual(Field.BELCH.__doc__, 'test belch')
def test_AutoNumberEnum_and_property(self):
class Color(aenum.AutoNumberEnum):
red = ()
green = ()
blue = ()
@property
def cap_name(self):
return self.name.title()
self.assertEqual(Color.blue.cap_name, 'Blue')
def test_AutoNumberEnum(self):
class Color(aenum.AutoNumberEnum):
_order_ = 'red green blue'
red = ()
green = ()
blue = ()
self.assertEqual(list(Color), [Color.red, Color.green, Color.blue])
self.assertEqual(Color.red.value, 1)
self.assertEqual(Color.green.value, 2)
self.assertEqual(Color.blue.value, 3)
def test_MultiValue_with_init(self):
class Color(Enum):
_init_ = 'color r g b'
_settings_ = MultiValue
red = 'red', 1, 2, 3
green = 'green', 4, 5, 6
blue = 'blue', 7, 8, 9
self.assertEqual(Color.red.r, 1)
self.assertEqual(Color.red.g, 2)
self.assertEqual(Color.red.b, 3)
self.assertEqual(Color.green.r, 4)
self.assertEqual(Color.green.g, 5)
self.assertEqual(Color.green.b, 6)
self.assertEqual(Color.blue.r, 7)
self.assertEqual(Color.blue.g, 8)
self.assertEqual(Color.blue.b, 9)
def test_combine_new_settings_with_old_settings(self):
class Auto(Enum):
_settings_ = Unique
with self.assertRaises(ValueError):
class AutoUnique(Auto):
_settings_ = AutoNumber
BLAH = ()
BLUH = ()
ICK = 1
def test_timedelta(self):
class Period(timedelta, Enum):
'''
different lengths of time
'''
_init_ = 'value period'
_settings_ = NoAlias
_ignore_ = 'Period i'
Period = vars()
for i in range(31):
Period['day_%d' % i] = i, 'day'
for i in range(15):
Period['week_%d' % i] = i*7, 'week'
for i in range(12):
Period['month_%d' % i] = i*30, 'month'
OneDay = day_1
OneWeek = week_1
self.assertFalse(hasattr(Period, '_ignore_'))
self.assertFalse(hasattr(Period, 'Period'))
self.assertFalse(hasattr(Period, 'i'))
self.assertTrue(isinstance(Period.day_1, timedelta))
def test_skip(self):
class enumA(Enum):
@skip
class enumB(Enum):
elementA = 'a'
elementB = 'b'
@skip
class enumC(Enum):
elementC = 'c'
elementD = 'd'
self.assertIs(enumA.enumB, enumA.__dict__['enumB'])
def test_constantness_in_enum(self):
class Universe(Enum):
PI = constant(3.141596)
G = constant(6.67300E-11)
self.assertEqual(Universe.PI, 3.141596)
self.assertRaisesRegex(AttributeError, 'cannot rebind constant', setattr, Universe, 'PI', 9)
self.assertRaisesRegex(AttributeError, 'cannot delete constant', delattr, Universe, 'PI')
if StdlibEnumMeta is not None:
def test_stdlib_inheritence(self):
self.assertTrue(isinstance(self.Season, StdlibEnumMeta))
self.assertTrue(issubclass(self.Season, StdlibEnum))
class TestFlag(TestCase):
"""Tests of the Flags."""
class Perm(Flag):
R, W, X = 4, 2, 1
class Open(Flag):
RO = 0
WO = 1
RW = 2
AC = 3
CE = 1<<19
def test_str(self):
Perm = self.Perm
self.assertEqual(str(Perm.R), 'Perm.R')
self.assertEqual(str(Perm.W), 'Perm.W')
self.assertEqual(str(Perm.X), 'Perm.X')
self.assertEqual(str(Perm.R | Perm.W), 'Perm.R|W')
self.assertEqual(str(Perm.R | Perm.W | Perm.X), 'Perm.R|W|X')
self.assertEqual(str(Perm(0)), 'Perm.0')
self.assertEqual(str(~Perm.R), 'Perm.W|X')
self.assertEqual(str(~Perm.W), 'Perm.R|X')
self.assertEqual(str(~Perm.X), 'Perm.R|W')
self.assertEqual(str(~(Perm.R | Perm.W)), 'Perm.X')
self.assertEqual(str(~(Perm.R | Perm.W | Perm.X)), 'Perm.0')
self.assertEqual(str(Perm(~0)), 'Perm.R|W|X')
Open = self.Open
self.assertEqual(str(Open.RO), 'Open.RO')
self.assertEqual(str(Open.WO), 'Open.WO')
self.assertEqual(str(Open.AC), 'Open.AC')
self.assertEqual(str(Open.RO | Open.CE), 'Open.CE')
self.assertEqual(str(Open.WO | Open.CE), 'Open.CE|WO')
self.assertEqual(str(~Open.RO), 'Open.CE|AC|RW|WO')
self.assertEqual(str(~Open.WO), 'Open.CE|RW')
self.assertEqual(str(~Open.AC), 'Open.CE')
self.assertEqual(str(~(Open.RO | Open.CE)), 'Open.AC')
self.assertEqual(str(~(Open.WO | Open.CE)), 'Open.RW')
def test_repr(self):
Perm = self.Perm
self.assertEqual(repr(Perm.R), '<Perm.R: 4>')
self.assertEqual(repr(Perm.W), '<Perm.W: 2>')
self.assertEqual(repr(Perm.X), '<Perm.X: 1>')
self.assertEqual(repr(Perm.R | Perm.W), '<Perm.R|W: 6>')
self.assertEqual(repr(Perm.R | Perm.W | Perm.X), '<Perm.R|W|X: 7>')
self.assertEqual(repr(Perm(0)), '<Perm.0: 0>')
self.assertEqual(repr(~Perm.R), '<Perm.W|X: 3>')
self.assertEqual(repr(~Perm.W), '<Perm.R|X: 5>')
self.assertEqual(repr(~Perm.X), '<Perm.R|W: 6>')
self.assertEqual(repr(~(Perm.R | Perm.W)), '<Perm.X: 1>')
self.assertEqual(repr(~(Perm.R | Perm.W | Perm.X)), '<Perm.0: 0>')
self.assertEqual(repr(Perm(~0)), '<Perm.R|W|X: 7>')
Open = self.Open
self.assertEqual(repr(Open.RO), '<Open.RO: 0>')
self.assertEqual(repr(Open.WO), '<Open.WO: 1>')
self.assertEqual(repr(Open.AC), '<Open.AC: 3>')
self.assertEqual(repr(Open.RO | Open.CE), '<Open.CE: 524288>')
self.assertEqual(repr(Open.WO | Open.CE), '<Open.CE|WO: 524289>')
self.assertEqual(repr(~Open.RO), '<Open.CE|AC|RW|WO: 524291>')
self.assertEqual(repr(~Open.WO), '<Open.CE|RW: 524290>')
self.assertEqual(repr(~Open.AC), '<Open.CE: 524288>')
self.assertEqual(repr(~(Open.RO | Open.CE)), '<Open.AC: 3>')
self.assertEqual(repr(~(Open.WO | Open.CE)), '<Open.RW: 2>')
def test_or(self):
Perm = self.Perm
for i in Perm:
for j in Perm:
self.assertEqual((i | j), Perm(i.value | j.value))
self.assertEqual((i | j).value, i.value | j.value)
self.assertIs(type(i | j), Perm)
for i in Perm:
self.assertIs(i | i, i)
Open = self.Open
self.assertIs(Open.RO | Open.CE, Open.CE)
def test_and(self):
Perm = self.Perm
RW = Perm.R | Perm.W
RX = Perm.R | Perm.X
WX = Perm.W | Perm.X
RWX = Perm.R | Perm.W | Perm.X
values = list(Perm) + [RW, RX, WX, RWX, Perm(0)]
for i in values:
for j in values:
self.assertEqual((i & j).value, i.value & j.value)
self.assertIs(type(i & j), Perm)
for i in Perm:
self.assertIs(i & i, i)
self.assertIs(i & RWX, i)
self.assertIs(RWX & i, i)
Open = self.Open
self.assertIs(Open.RO & Open.CE, Open.RO)