# Copyright (c) 2010-2020 Benjamin Peterson
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import operator
import sys
import types
import unittest
import abc
import pytest
import six
def test_add_doc():
def f():
"""Icky doc"""
pass
six._add_doc(f, """New doc""")
assert f.__doc__ == "New doc"
def test_import_module():
from logging import handlers
m = six._import_module("logging.handlers")
assert m is handlers
def test_integer_types():
assert isinstance(1, six.integer_types)
assert isinstance(-1, six.integer_types)
assert isinstance(six.MAXSIZE + 23, six.integer_types)
assert not isinstance(.1, six.integer_types)
def test_string_types():
assert isinstance("hi", six.string_types)
assert isinstance(six.u("hi"), six.string_types)
assert issubclass(six.text_type, six.string_types)
def test_class_types():
class X:
pass
class Y(object):
pass
assert isinstance(X, six.class_types)
assert isinstance(Y, six.class_types)
assert not isinstance(X(), six.class_types)
def test_text_type():
assert type(six.u("hi")) is six.text_type
def test_binary_type():
assert type(six.b("hi")) is six.binary_type
def test_MAXSIZE():
try:
# This shouldn't raise an overflow error.
six.MAXSIZE.__index__()
except AttributeError:
# Before Python 2.6.
pass
pytest.raises(
(ValueError, OverflowError),
operator.mul, [None], six.MAXSIZE + 1)
def test_lazy():
if six.PY3:
html_name = "html.parser"
else:
html_name = "HTMLParser"
assert html_name not in sys.modules
mod = six.moves.html_parser
assert sys.modules[html_name] is mod
assert "htmlparser" not in six._MovedItems.__dict__
try:
import _tkinter
except ImportError:
have_tkinter = False
else:
have_tkinter = True
have_gdbm = True
try:
import gdbm
except ImportError:
try:
import dbm.gnu
except ImportError:
have_gdbm = False
@pytest.mark.parametrize("item_name",
[item.name for item in six._moved_attributes])
def test_move_items(item_name):
"""Ensure that everything loads correctly."""
try:
item = getattr(six.moves, item_name)
if isinstance(item, types.ModuleType):
__import__("six.moves." + item_name)
except ImportError:
if item_name == "winreg" and not sys.platform.startswith("win"):
pytest.skip("Windows only module")
if item_name.startswith("tkinter"):
if not have_tkinter:
pytest.skip("requires tkinter")
if item_name.startswith("dbm_gnu") and not have_gdbm:
pytest.skip("requires gdbm")
raise
assert item_name in dir(six.moves)
@pytest.mark.parametrize("item_name",
[item.name for item in six._urllib_parse_moved_attributes])
def test_move_items_urllib_parse(item_name):
"""Ensure that everything loads correctly."""
assert item_name in dir(six.moves.urllib.parse)
getattr(six.moves.urllib.parse, item_name)
@pytest.mark.parametrize("item_name",
[item.name for item in six._urllib_error_moved_attributes])
def test_move_items_urllib_error(item_name):
"""Ensure that everything loads correctly."""
assert item_name in dir(six.moves.urllib.error)
getattr(six.moves.urllib.error, item_name)
@pytest.mark.parametrize("item_name",
[item.name for item in six._urllib_request_moved_attributes])
def test_move_items_urllib_request(item_name):
"""Ensure that everything loads correctly."""
assert item_name in dir(six.moves.urllib.request)
getattr(six.moves.urllib.request, item_name)
@pytest.mark.parametrize("item_name",
[item.name for item in six._urllib_response_moved_attributes])
def test_move_items_urllib_response(item_name):
"""Ensure that everything loads correctly."""
assert item_name in dir(six.moves.urllib.response)
getattr(six.moves.urllib.response, item_name)
@pytest.mark.parametrize("item_name",
[item.name for item in six._urllib_robotparser_moved_attributes])
def test_move_items_urllib_robotparser(item_name):
"""Ensure that everything loads correctly."""
assert item_name in dir(six.moves.urllib.robotparser)
getattr(six.moves.urllib.robotparser, item_name)
def test_import_moves_error_1():
from six.moves.urllib.parse import urljoin
from six import moves
# In 1.4.1: AttributeError: 'Module_six_moves_urllib_parse' object has no attribute 'urljoin'
assert moves.urllib.parse.urljoin
def test_import_moves_error_2():
from six import moves
assert moves.urllib.parse.urljoin
# In 1.4.1: ImportError: cannot import name urljoin
from six.moves.urllib.parse import urljoin
def test_import_moves_error_3():
from six.moves.urllib.parse import urljoin
# In 1.4.1: ImportError: cannot import name urljoin
from six.moves.urllib_parse import urljoin
def test_from_imports():
from six.moves.queue import Queue
assert isinstance(Queue, six.class_types)
from six.moves.configparser import ConfigParser
assert isinstance(ConfigParser, six.class_types)
def test_filter():
from six.moves import filter
f = filter(lambda x: x % 2, range(10))
assert six.advance_iterator(f) == 1
def test_filter_false():
from six.moves import filterfalse
f = filterfalse(lambda x: x % 3, range(10))
assert six.advance_iterator(f) == 0
assert six.advance_iterator(f) == 3
assert six.advance_iterator(f) == 6
def test_map():
from six.moves import map
assert six.advance_iterator(map(lambda x: x + 1, range(2))) == 1
def test_getoutput():
from six.moves import getoutput
output = getoutput('echo "foo"')
assert output == 'foo'
def test_zip():
from six.moves import zip
assert six.advance_iterator(zip(range(2), range(2))) == (0, 0)
def test_zip_longest():
from six.moves import zip_longest
it = zip_longest(range(2), range(1))
assert six.advance_iterator(it) == (0, 0)
assert six.advance_iterator(it) == (1, None)
class TestCustomizedMoves:
def teardown_method(self, meth):
try:
del six._MovedItems.spam
except AttributeError:
pass
try:
del six.moves.__dict__["spam"]
except KeyError:
pass
def test_moved_attribute(self):
attr = six.MovedAttribute("spam", "foo", "bar")
if six.PY3:
assert attr.mod == "bar"
else:
assert attr.mod == "foo"
assert attr.attr == "spam"
attr = six.MovedAttribute("spam", "foo", "bar", "lemma")
assert attr.attr == "lemma"
attr = six.MovedAttribute("spam", "foo", "bar", "lemma", "theorm")
if six.PY3:
assert attr.attr == "theorm"
else:
assert attr.attr == "lemma"
def test_moved_module(self):
attr = six.MovedModule("spam", "foo")
if six.PY3:
assert attr.mod == "spam"
else:
assert attr.mod == "foo"
attr = six.MovedModule("spam", "foo", "bar")
if six.PY3:
assert attr.mod == "bar"
else:
assert attr.mod == "foo"
def test_custom_move_module(self):
attr = six.MovedModule("spam", "six", "six")
six.add_move(attr)
six.remove_move("spam")
assert not hasattr(six.moves, "spam")
attr = six.MovedModule("spam", "six", "six")
six.add_move(attr)
from six.moves import spam
assert spam is six
six.remove_move("spam")
assert not hasattr(six.moves, "spam")
def test_custom_move_attribute(self):
attr = six.MovedAttribute("spam", "six", "six", "u", "u")
six.add_move(attr)
six.remove_move("spam")
assert not hasattr(six.moves, "spam")
attr = six.MovedAttribute("spam", "six", "six", "u", "u")
six.add_move(attr)
from six.moves import spam
assert spam is six.u
six.remove_move("spam")
assert not hasattr(six.moves, "spam")
def test_empty_remove(self):
pytest.raises(AttributeError, six.remove_move, "eggs")
def test_get_unbound_function():
class X(object):
def m(self):
pass
assert six.get_unbound_function(X.m) is X.__dict__["m"]
def test_get_method_self():
class X(object):
def m(self):
pass
x = X()
assert six.get_method_self(x.m) is x
pytest.raises(AttributeError, six.get_method_self, 42)
def test_get_method_function():
class X(object):
def m(self):
pass
x = X()
assert six.get_method_function(x.m) is X.__dict__["m"]
pytest.raises(AttributeError, six.get_method_function, hasattr)
def test_get_function_closure():
def f():
x = 42
def g():
return x
return g
cell = six.get_function_closure(f())[0]
assert type(cell).__name__ == "cell"
def test_get_function_code():
def f():
pass
assert isinstance(six.get_function_code(f), types.CodeType)
if not hasattr(sys, "pypy_version_info"):
pytest.raises(AttributeError, six.get_function_code, hasattr)
def test_get_function_defaults():
def f(x, y=3, b=4):
pass
assert six.get_function_defaults(f) == (3, 4)
def test_get_function_globals():
def f():
pass
assert six.get_function_globals(f) is globals()
def test_dictionary_iterators(monkeypatch):
def stock_method_name(iterwhat):
"""Given a method suffix like "lists" or "values", return the name
of the dict method that delivers those on the version of Python
we're running in."""
if six.PY3:
return iterwhat
return 'iter' + iterwhat
class MyDict(dict):
if not six.PY3:
def lists(self, **kw):
return [1, 2, 3]
def iterlists(self, **kw):
return iter([1, 2, 3])
f = MyDict.iterlists
del MyDict.iterlists
setattr(MyDict, stock_method_name('lists'), f)
d = MyDict(zip(range(10), reversed(range(10))))
for name in "keys", "values", "items", "lists":
meth = getattr(six, "iter" + name)
it = meth(d)
assert not isinstance(it, list)
assert list(it) == list(getattr(d, name)())
pytest.raises(StopIteration, six.advance_iterator, it)
record = []
def with_kw(*args, **kw):
record.append(kw["kw"])
return old(*args)
old = getattr(MyDict, stock_method_name(name))
monkeypatch.setattr(MyDict, stock_method_name(name), with_kw)
meth(d, kw=42)
assert record == [42]
monkeypatch.undo()
def test_dictionary_views():
d = dict(zip(range(10), (range(11, 20))))
for name in "keys", "values", "items":
meth = getattr(six, "view" + name)
view = meth(d)
assert set(view) == set(getattr(d, name)())
def test_advance_iterator():
assert six.next is six.advance_iterator
l = [1, 2]
it = iter(l)
assert six.next(it) == 1
assert six.next(it) == 2
pytest.raises(StopIteration, six.next, it)
pytest.raises(StopIteration, six.next, it)
def test_iterator():
class myiter(six.Iterator):
def __next__(self):
return 13
assert six.advance_iterator(myiter()) == 13
class myitersub(myiter):
def __next__(self):
return 14
assert six.advance_iterator(myitersub()) == 14
def test_callable():
class X:
def __call__(self):
pass
def method(self):
pass
assert six.callable(X)
assert six.callable(X())
assert six.callable(test_callable)
assert six.callable(hasattr)
assert six.callable(X.method)
assert six.callable(X().method)
assert not six.callable(4)
assert not six.callable("string")
def test_create_bound_method():
class X(object):
pass
def f(self):
return self
x = X()
b = six.create_bound_method(f, x)
assert isinstance(b, types.MethodType)
assert b() is x
def test_create_unbound_method():
class X(object):
pass
def f(self):
return self
u = six.create_unbound_method(f, X)
pytest.raises(TypeError, u)
if six.PY2:
assert isinstance(u, types.MethodType)
x = X()
assert f(x) is x
if six.PY3:
def test_b():
data = six.b("\xff")
assert isinstance(data, bytes)
assert len(data) == 1
assert data == bytes([255])
def test_u():
s = six.u("hi \u0439 \U00000439 \\ \\\\ \n")
assert isinstance(s, str)
assert s == "hi \u0439 \U00000439 \\ \\\\ \n"
else:
def test_b():
data = six.b("\xff")
assert isinstance(data, str)
assert len(data) == 1
assert data == "\xff"
def test_u():
s = six.u("hi \u0439 \U00000439 \\ \\\\ \n")
assert isinstance(s, unicode)
assert s == "hi \xd0\xb9 \xd0\xb9 \\ \\\\ \n".decode("utf8")
def test_u_escapes():
s = six.u("\u1234")
assert len(s) == 1
def test_unichr():
assert six.u("\u1234") == six.unichr(0x1234)
assert type(six.u("\u1234")) is type(six.unichr(0x1234))
def test_int2byte():
assert six.int2byte(3) == six.b("\x03")
pytest.raises(Exception, six.int2byte, 256)
def test_byte2int():
assert six.byte2int(six.b("\x03")) == 3
assert six.byte2int(six.b("\x03\x04")) == 3
pytest.raises(IndexError, six.byte2int, six.b(""))
def test_bytesindex():
assert six.indexbytes(six.b("hello"), 3) == ord("l")
def test_bytesiter():
it = six.iterbytes(six.b("hi"))
assert six.next(it) == ord("h")
assert six.next(it) == ord("i")
pytest.raises(StopIteration, six.next, it)
def test_StringIO():
fp = six.StringIO()
fp.write(six.u("hello"))
assert fp.getvalue() == six.u("hello")
def test_BytesIO():
fp = six.BytesIO()
fp.write(six.b("hello"))
assert fp.getvalue() == six.b("hello")
def test_exec_():
def f():
l = []
six.exec_("l.append(1)")
assert l == [1]
f()
ns = {}
six.exec_("x = 42", ns)
assert ns["x"] == 42
glob = {}
loc = {}
six.exec_("global y; y = 42; x = 12", glob, loc)
assert glob["y"] == 42
assert "x" not in glob
assert loc["x"] == 12
assert "y" not in loc
def test_reraise():
def get_next(tb):
if six.PY3:
return tb.tb_next.tb_next
else:
return tb.tb_next
e = Exception("blah")
try:
raise e
except Exception:
tp, val, tb = sys.exc_info()
try:
six.reraise(tp, val, tb)
except Exception:
tp2, value2, tb2 = sys.exc_info()
assert tp2 is Exception
assert value2 is e
assert tb is get_next(tb2)
try:
six.reraise(tp, val)
except Exception:
tp2, value2, tb2 = sys.exc_info()
assert tp2 is Exception
assert value2 is e
assert tb2 is not tb
try:
six.reraise(tp, val, tb2)
except Exception:
tp2, value2, tb3 = sys.exc_info()
assert tp2 is Exception
assert value2 is e
assert get_next(tb3) is tb2
try:
six.reraise(tp, None, tb)
except Exception:
tp2, value2, tb2 = sys.exc_info()
assert tp2 is Exception
assert value2 is not val
assert isinstance(value2, Exception)
assert tb is get_next(tb2)
def test_raise_from():
try:
try:
raise Exception("blah")
except Exception:
ctx = sys.exc_info()[1]
f = Exception("foo")
six.raise_from(f, None)
except Exception:
tp, val, tb = sys.exc_info()
if sys.version_info[:2] > (3, 0):
# We should have done a raise f from None equivalent.
assert val.__cause__ is None
assert val.__context__ is ctx
# And that should suppress the context on the exception.
assert val.__suppress_context__
# For all versions the outer exception should have raised successfully.
assert str(val) == "foo"
def test_print_():
save = sys.stdout
out = sys.stdout = six.moves.StringIO()
try:
six.print_("Hello,", "person!")
finally:
sys.stdout = save
assert out.getvalue() == "Hello, person!\n"
out = six.StringIO()
six.print_("Hello,", "person!", file=out)
assert out.getvalue() == "Hello, person!\n"
out = six.StringIO()
six.print_("Hello,", "person!", file=out, end="")
assert out.getvalue() == "Hello, person!"
out = six.StringIO()
six.print_("Hello,", "person!", file=out, sep="X")
assert out.getvalue() == "Hello,Xperson!\n"
out = six.StringIO()
six.print_(six.u("Hello,"), six.u("person!"), file=out)
result = out.getvalue()
assert isinstance(result, six.text_type)
assert result == six.u("Hello, person!\n")
six.print_("Hello", file=None) # This works.
out = six.StringIO()
six.print_(None, file=out)
assert out.getvalue() == "None\n"
class FlushableStringIO(six.StringIO):
def __init__(self):
six.StringIO.__init__(self)
self.flushed = False
def flush(self):
self.flushed = True
out = FlushableStringIO()
six.print_("Hello", file=out)
assert not out.flushed
six.print_("Hello", file=out, flush=True)
assert out.flushed
def test_print_exceptions():
pytest.raises(TypeError, six.print_, x=3)
pytest.raises(TypeError, six.print_, end=3)
pytest.raises(TypeError, six.print_, sep=42)
def test_with_metaclass():
class Meta(type):
pass
class X(six.with_metaclass(Meta)):
pass
assert type(X) is Meta
assert issubclass(X, object)
class Base(object):
pass
class X(six.with_metaclass(Meta, Base)):
pass
assert type(X) is Meta
assert issubclass(X, Base)
class Base2(object):
pass
class X(six.with_metaclass(Meta, Base, Base2)):
pass
assert type(X) is Meta
assert issubclass(X, Base)
assert issubclass(X, Base2)
assert X.__mro__ == (X, Base, Base2, object)
class X(six.with_metaclass(Meta)):
pass
class MetaSub(Meta):
pass
class Y(six.with_metaclass(MetaSub, X)):
pass
assert type(Y) is MetaSub
assert Y.__mro__ == (Y, X, object)
def test_with_metaclass_typing():
try:
import typing
except ImportError:
pytest.skip("typing module required")
class Meta(type):
pass
if sys.version_info[:2] < (3, 7):
# Generics with custom metaclasses were broken on older versions.
class Meta(Meta, typing.GenericMeta):
pass
T = typing.TypeVar('T')
class G(six.with_metaclass(Meta, typing.Generic[T])):
pass
class GA(six.with_metaclass(abc.ABCMeta, typing.Generic[T])):
pass
assert isinstance(G, Meta)
assert isinstance(GA, abc.ABCMeta)
assert G[int] is not G[G[int]]
assert GA[int] is not GA[GA[int]]
assert G.__bases__ == (typing.Generic,)
assert G.__orig_bases__ == (typing.Generic[T],)
@pytest.mark.skipif("sys.version_info[:2] < (3, 7)")
def test_with_metaclass_pep_560():
class Meta(type):
pass
class A:
pass
class B:
pass
class Fake:
def __mro_entries__(self, bases):
return (A, B)
fake = Fake()
class G(six.with_metaclass(Meta, fake)):
pass
class GA(six.with_metaclass(abc.ABCMeta, fake)):
pass
assert isinstance(G, Meta)
assert isinstance(GA, abc.ABCMeta)
assert G.__bases__ == (A, B)
assert G.__orig_bases__ == (fake,)
@pytest.mark.skipif("sys.version_info[:2] < (3, 0)")
def test_with_metaclass_prepare():
"""Test that with_metaclass causes Meta.__prepare__ to be called with the correct arguments."""
class MyDict(dict):
pass
class Meta(type):
@classmethod
def __prepare__(cls, name, bases):
namespace = MyDict(super().__prepare__(name, bases), cls=cls, bases=bases)
namespace['namespace'] = namespace
return namespace
class Base(object):
pass
bases = (Base,)
class X(six.with_metaclass(Meta, *bases)):
pass
assert getattr(X, 'cls', type) is Meta
assert getattr(X, 'bases', ()) == bases
assert isinstance(getattr(X, 'namespace', {}), MyDict)
def test_wraps():
def f(g):
@six.wraps(g)
def w():
return 42
return w
def k():
pass
original_k = k
k = f(f(k))
assert hasattr(k, '__wrapped__')
k = k.__wrapped__
assert hasattr(k, '__wrapped__')
k = k.__wrapped__
assert k is original_k
assert not hasattr(k, '__wrapped__')
def f(g, assign, update):
def w():
return 42
w.glue = {"foo": "bar"}
w.xyzzy = {"qux": "quux"}
return six.wraps(g, assign, update)(w)
k.glue = {"melon": "egg"}
k.turnip = 43
k = f(k, ["turnip", "baz"], ["glue", "xyzzy"])
assert k.__name__ == "w"
assert k.turnip == 43
assert not hasattr(k, "baz")
assert k.glue == {"melon": "egg", "foo": "bar"}
assert k.xyzzy == {"qux": "quux"}
def test_wraps_raises_on_missing_updated_field_on_wrapper():
"""Ensure six.wraps doesn't ignore missing attrs wrapper.
Because that's what happens in Py3's functools.update_wrapper.
"""
def wrapped():
pass
def wrapper():
pass
with pytest.raises(AttributeError, match='has no attribute.*xyzzy'):
six.wraps(wrapped, [], ['xyzzy'])(wrapper)
def test_add_metaclass():
class Meta(type):
pass
class X:
"success"
X = six.add_metaclass(Meta)(X)
assert type(X) is Meta
assert issubclass(X, object)
assert X.__module__ == __name__
assert X.__doc__ == "success"
class Base(object):
pass
class X(Base):
pass
X = six.add_metaclass(Meta)(X)
assert type(X) is Meta
assert issubclass(X, Base)
class Base2(object):
pass
class X(Base, Base2):
pass
X = six.add_metaclass(Meta)(X)
assert type(X) is Meta
assert issubclass(X, Base)
assert issubclass(X, Base2)
# Test a second-generation subclass of a type.
class Meta1(type):
m1 = "m1"
class Meta2(Meta1):
m2 = "m2"
class Base:
b = "b"
Base = six.add_metaclass(Meta1)(Base)
class X(Base):
x = "x"
X = six.add_metaclass(Meta2)(X)
assert type(X) is Meta2
assert issubclass(X, Base)
assert type(Base) is Meta1
assert "__dict__" not in vars(X)
instance = X()
instance.attr = "test"
assert vars(instance) == {"attr": "test"}
assert instance.b == Base.b
assert instance.x == X.x
# Test a class with slots.
class MySlots(object):
__slots__ = ["a", "b"]
MySlots = six.add_metaclass(Meta1)(MySlots)
assert MySlots.__slots__ == ["a", "b"]
instance = MySlots()
instance.a = "foo"
pytest.raises(AttributeError, setattr, instance, "c", "baz")
# Test a class with string for slots.
class MyStringSlots(object):
__slots__ = "ab"
MyStringSlots = six.add_metaclass(Meta1)(MyStringSlots)
assert MyStringSlots.__slots__ == "ab"
instance = MyStringSlots()
instance.ab = "foo"
pytest.raises(AttributeError, setattr, instance, "a", "baz")
pytest.raises(AttributeError, setattr, instance, "b", "baz")
class MySlotsWeakref(object):
__slots__ = "__weakref__",
MySlotsWeakref = six.add_metaclass(Meta)(MySlotsWeakref)
assert type(MySlotsWeakref) is Meta
@pytest.mark.skipif("sys.version_info[:2] < (3, 3)")
def test_add_metaclass_nested():
# Regression test for https://github.com/benjaminp/six/issues/259
class Meta(type):
pass
class A:
class B: pass
expected = 'test_add_metaclass_nested.<locals>.A.B'
assert A.B.__qualname__ == expected
class A:
@six.add_metaclass(Meta)
class B: pass
assert A.B.__qualname__ == expected
def test_assertCountEqual():
class TestAssertCountEqual(unittest.TestCase):
def test(self):
with self.assertRaises(AssertionError):
six.assertCountEqual(self, (1, 2), [3, 4, 5])
six.assertCountEqual(self, (1, 2), [2, 1])
TestAssertCountEqual('test').test()
def test_assertRegex():
class TestAssertRegex(unittest.TestCase):
def test(self):
with self.assertRaises(AssertionError):
six.assertRegex(self, 'test', r'^a')
six.assertRegex(self, 'test', r'^t')
TestAssertRegex('test').test()
def test_assertNotRegex():
class TestAssertNotRegex(unittest.TestCase):
def test(self):
with self.assertRaises(AssertionError):
six.assertNotRegex(self, 'test', r'^t')
six.assertNotRegex(self, 'test', r'^a')
TestAssertNotRegex('test').test()
def test_assertRaisesRegex():
class TestAssertRaisesRegex(unittest.TestCase):
def test(self):
with six.assertRaisesRegex(self, AssertionError, '^Foo'):
raise AssertionError('Foo')
with self.assertRaises(AssertionError):
with six.assertRaisesRegex(self, AssertionError, r'^Foo'):
raise AssertionError('Bar')
TestAssertRaisesRegex('test').test()
def test_python_2_unicode_compatible():
@six.python_2_unicode_compatible
class MyTest(object):
def __str__(self):
return six.u('hello')
def __bytes__(self):
return six.b('hello')
my_test = MyTest()
if six.PY2:
assert str(my_test) == six.b("hello")
assert unicode(my_test) == six.u("hello")
elif six.PY3:
assert bytes(my_test) == six.b("hello")
assert str(my_test) == six.u("hello")
assert getattr(six.moves.builtins, 'bytes', str)(my_test) == six.b("hello")
class EnsureTests:
# grinning face emoji
UNICODE_EMOJI = six.u("\U0001F600")
BINARY_EMOJI = b"\xf0\x9f\x98\x80"
def test_ensure_binary_raise_type_error(self):
with pytest.raises(TypeError):
six.ensure_str(8)
def test_errors_and_encoding(self):
six.ensure_binary(self.UNICODE_EMOJI, encoding='latin-1', errors='ignore')
with pytest.raises(UnicodeEncodeError):
six.ensure_binary(self.UNICODE_EMOJI, encoding='latin-1', errors='strict')
def test_ensure_binary_raise(self):
converted_unicode = six.ensure_binary(self.UNICODE_EMOJI, encoding='utf-8', errors='strict')
converted_binary = six.ensure_binary(self.BINARY_EMOJI, encoding="utf-8", errors='strict')
if six.PY2:
# PY2: unicode -> str
assert converted_unicode == self.BINARY_EMOJI and isinstance(converted_unicode, str)
# PY2: str -> str
assert converted_binary == self.BINARY_EMOJI and isinstance(converted_binary, str)
else:
# PY3: str -> bytes
assert converted_unicode == self.BINARY_EMOJI and isinstance(converted_unicode, bytes)
# PY3: bytes -> bytes
assert converted_binary == self.BINARY_EMOJI and isinstance(converted_binary, bytes)
def test_ensure_str(self):
converted_unicode = six.ensure_str(self.UNICODE_EMOJI, encoding='utf-8', errors='strict')
converted_binary = six.ensure_str(self.BINARY_EMOJI, encoding="utf-8", errors='strict')
if six.PY2:
# PY2: unicode -> str
assert converted_unicode == self.BINARY_EMOJI and isinstance(converted_unicode, str)
# PY2: str -> str
assert converted_binary == self.BINARY_EMOJI and isinstance(converted_binary, str)
else:
# PY3: str -> str
assert converted_unicode == self.UNICODE_EMOJI and isinstance(converted_unicode, str)
# PY3: bytes -> str
assert converted_binary == self.UNICODE_EMOJI and isinstance(converted_unicode, str)
def test_ensure_text(self):
converted_unicode = six.ensure_text(self.UNICODE_EMOJI, encoding='utf-8', errors='strict')
converted_binary = six.ensure_text(self.BINARY_EMOJI, encoding="utf-8", errors='strict')
if six.PY2:
# PY2: unicode -> unicode
assert converted_unicode == self.UNICODE_EMOJI and isinstance(converted_unicode, unicode)
# PY2: str -> unicode
assert converted_binary == self.UNICODE_EMOJI and isinstance(converted_unicode, unicode)
else:
# PY3: str -> str
assert converted_unicode == self.UNICODE_EMOJI and isinstance(converted_unicode, str)
# PY3: bytes -> str
assert converted_binary == self.UNICODE_EMOJI and isinstance(converted_unicode, str)
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