def test_trace_namedtuple():
TargetType = namedtuple('TargetType', 'x y z')
target = TargetType(1, 2, 3)
wrapped = wrap_trace(target)
assert wrapped == (1, 2, 3)
def test_trace_namedtuple():
TargetType = namedtuple("TargetType", "x y z")
target = TargetType(1, 2, 3)
wrapped = wrap_trace(target)
assert wrapped == (1, 2, 3)
def test_trace_which():
class Config(object):
def __init__(self, value):
self.value = value
config = Config('first')
wrapped = wrap_trace(config, which='__setattr__')
wrapped.value = 'second'
assert config.value == 'second'
def test_trace_which():
class Config(object):
def __init__(self, value):
self.value = value
config = Config("first")
wrapped = wrap_trace(config, which="__setattr__")
wrapped.value = "second"
assert config.value == "second"
def test_trace_exc():
class TestException(Exception):
pass
target = TestException('exceptions can be a good thing')
wrapped = wrap_trace(target)
try:
raise wrapped
except TestException as te:
assert te.args == target.args
def test_trace_bytes():
target = u'Hello'.encode('ascii')
wrapped = wrap_trace(target)
assert target is not wrapped
assert isinstance(wrapped, bytes)
assert len(wrapped) == len(target)
assert wrapped.decode('utf-8') == u'Hello'
assert wrapped.lower() == target.lower()
def test_trace_exc():
class TestException(Exception):
pass
target = TestException("exceptions can be a good thing")
wrapped = wrap_trace(target)
try:
raise wrapped
except TestException as te:
assert te.args == target.args
def test_trace_bytes():
target = u"Hello".encode("ascii")
wrapped = wrap_trace(target)
assert target is not wrapped
assert isinstance(wrapped, bytes)
assert len(wrapped) == len(target)
assert wrapped.decode("utf-8") == u"Hello"
assert wrapped.lower() == target.lower()
def test_trace_oldstyle():
class Oldie:
test = object()
def get_test(self):
return self.test
oldie = Oldie()
wrapped = wrap_trace(oldie)
assert wrapped.get_test() is oldie.test
return
def test_trace_oldstyle():
class Oldie:
test = object()
def get_test(self):
return self.test
oldie = Oldie()
wrapped = wrap_trace(oldie)
assert wrapped.get_test() is oldie.test
return
def test_trace_dict():
target = {}
wrapped = wrap_trace(target)
assert target is not wrapped
assert isinstance(wrapped, dict)
wrapped['a'] = 'A'
assert target['a'] == 'A'
assert len(wrapped) == len(target)
wrapped.pop('a')
assert 'a' not in target
with raises(AttributeError):
wrapped.nonexistent_attr = 'nope'
return
def test_trace_dict():
target = {}
wrapped = wrap_trace(target)
assert target is not wrapped
assert isinstance(wrapped, dict)
wrapped["a"] = "A"
assert target["a"] == "A"
assert len(wrapped) == len(target)
wrapped.pop("a")
assert "a" not in target
with raises(AttributeError):
wrapped.nonexistent_attr = "nope"
return