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"""Test abstract-method warning."""
from __future__ import print_function
# pylint: disable=missing-docstring
# pylint: disable=too-few-public-methods, useless-object-inheritance
import abc
class Abstract(object):
def aaaa(self):
"""should be overridden in concrete class"""
raise NotImplementedError()
def bbbb(self):
"""should be overridden in concrete class"""
raise NotImplementedError()
class AbstractB(Abstract):
"""Abstract class.
this class is checking that it does not output an error msg for
unimplemeted methods in abstract classes
"""
def cccc(self):
"""should be overridden in concrete class"""
raise NotImplementedError()
class AbstractC(AbstractB, abc.ABC):
"""
Abstract class.
Should not trigger a warning for unimplemented
abstract methods, because of explicit abc.ABC inheritance.
"""
class AbstractD(AbstractB, metaclass=abc.ABCMeta):
"""
Abstract class.
Should not trigger a warning for unimplemented
abstract methods, because of explicit metaclass.
"""
class Concrete(Abstract): # [abstract-method]
"""Concrete class"""
def aaaa(self):
"""overridden form Abstract"""
class Structure(object, metaclass=abc.ABCMeta):
@abc.abstractmethod
def __iter__(self):
pass
@abc.abstractmethod
def __len__(self):
pass
@abc.abstractmethod
def __contains__(self, _):
pass
@abc.abstractmethod
def __hash__(self):
pass
# +1: [abstract-method, abstract-method, abstract-method]
class Container(Structure):
def __contains__(self, _):
pass
# +1: [abstract-method, abstract-method, abstract-method]
class Sizable(Structure):
def __len__(self):
return 42
# +1: [abstract-method, abstract-method, abstract-method]
class Hashable(Structure):
__hash__ = 42
# +1: [abstract-method, abstract-method, abstract-method]
class Iterator(Structure):
def keys(self):
return iter([1, 2, 3])
__iter__ = keys
class AbstractSizable(Structure):
@abc.abstractmethod
def length(self):
pass
__len__ = length
class GoodComplexMRO(Container, Iterator, Sizable, Hashable):
pass
# +1: [abstract-method, abstract-method, abstract-method]
class BadComplexMro(Container, Iterator, AbstractSizable):
pass
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