def test_isa_docstring (self):
assert _isa(type).__doc__ == "`True` if `obj` is an instance of :class:`type`"
assert _isa((type, object)).__doc__ == "`True` if `obj` is an instance of (type, object)"
assert _isa(type, 'foo').__doc__ == 'foo'
assert _isa(type, docstring='foo').__doc__ == 'foo'
# This is a bit of a roundabout hack to get coverage for an
# extremely corner-ish corner case.
class C (object): pass
C.__name__ = ''
assert _isa(C).__doc__ == "`True` if `obj` is an instance of <class 'test_predicates.'>"
def test_isa (self):
assert _isa(type)(Thing)
assert _isa(Thing)(Thing())
assert _isa(''.__class__)("bad robot!")
assert _isa((type, object))(Thing)
assert _isa((type, object))(Thing())
assert _isa((type, object))("bad robot!")
assert not _isa(type)("bad robot!")
def test_isa_docstring (self):
assert _isa(type).__doc__ == "`True` if `obj` is an instance of :class:`type`"
assert _isa(type, 'foo').__doc__ == 'foo'
assert _isa(type, docstring='foo').__doc__ == 'foo'
def test_is (self):
assert _is(None)(None)
assert _isa(Thing)(Thing())
assert _isa(''.__class__)("bad robot!")
