mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-30 03:18:20 +00:00
49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
if False: # noqa
|
|
from typing import Any
|
|
|
|
|
|
class Mock:
|
|
def __init__(self, return_value: Any = None, raises: BaseException = None) -> None:
|
|
self.attrs = {}
|
|
self.calls = []
|
|
self.return_value = return_value
|
|
self.raises = raises
|
|
|
|
def __getattr__(self, key: str) -> Any:
|
|
self.attrs.setdefault(key, Mock())
|
|
return self.attrs[key]
|
|
|
|
def __setattr__(self, name: str, value: Any) -> Any:
|
|
self.attrs[name] = value
|
|
return value
|
|
|
|
def __call__(self, *args, **kwargs) -> Any:
|
|
self.calls.append((args, kwargs))
|
|
if self.raises is not None:
|
|
raise self.raises
|
|
return self.return_value
|
|
|
|
|
|
class patch:
|
|
MOCK_OBJECT = object()
|
|
NO_VALUE = object()
|
|
|
|
def __init__(self, obj: Any, attr: str, value: Any = MOCK_OBJECT) -> None:
|
|
self.obj = obj
|
|
self.attr = attr
|
|
self.value = value
|
|
self.orig_value = self.NO_VALUE
|
|
|
|
def __enter__(self):
|
|
if hasattr(self.obj, self.attr):
|
|
self.orig_value = getattr(self.obj, self.attr)
|
|
|
|
patch_value = self.value if self.value is not self.MOCK_OBJECT else Mock()
|
|
setattr(self.obj, self.attr, patch_value)
|
|
|
|
def __exit__(self, exc_type, exc_value, tb):
|
|
if self.orig_value is self.NO_VALUE:
|
|
delattr(self.obj, self.attr)
|
|
else:
|
|
setattr(self.obj, self.attr, self.orig_value)
|