def test_issue156_undo_staticmethod(Sample):
monkeypatch = MonkeyPatch()
monkeypatch.setattr(Sample, 'hello', None)
assert Sample.hello is None
monkeypatch.undo()
assert Sample.hello()
def test_issue156_undo_staticmethod(Sample):
monkeypatch = MonkeyPatch()
monkeypatch.setattr(Sample, 'hello', None)
assert Sample.hello is None
monkeypatch.undo()
assert Sample.hello()
def test_delattr():
class A:
x = 1
monkeypatch = MonkeyPatch()
monkeypatch.delattr(A, 'x')
assert not hasattr(A, 'x')
monkeypatch.undo()
assert A.x == 1
monkeypatch = MonkeyPatch()
monkeypatch.delattr(A, 'x')
pytest.raises(AttributeError, "monkeypatch.delattr(A, 'y')")
monkeypatch.delattr(A, 'y', raising=False)
monkeypatch.setattr(A, 'x', 5, raising=False)
assert A.x == 5
monkeypatch.undo()
assert A.x == 1
def test_delattr():
class A:
x = 1
monkeypatch = MonkeyPatch()
monkeypatch.delattr(A, 'x')
assert not hasattr(A, 'x')
monkeypatch.undo()
assert A.x == 1
monkeypatch = MonkeyPatch()
monkeypatch.delattr(A, 'x')
pytest.raises(AttributeError, "monkeypatch.delattr(A, 'y')")
monkeypatch.delattr(A, 'y', raising=False)
monkeypatch.setattr(A, 'x', 5, raising=False)
assert A.x == 5
monkeypatch.undo()
assert A.x == 1
def test_setattr():
class A:
x = 1
monkeypatch = MonkeyPatch()
pytest.raises(AttributeError, "monkeypatch.setattr(A, 'notexists', 2)")
monkeypatch.setattr(A, 'y', 2, raising=False)
assert A.y == 2
monkeypatch.undo()
assert not hasattr(A, 'y')
monkeypatch = MonkeyPatch()
monkeypatch.setattr(A, 'x', 2)
assert A.x == 2
monkeypatch.setattr(A, 'x', 3)
assert A.x == 3
monkeypatch.undo()
assert A.x == 1
A.x = 5
monkeypatch.undo() # double-undo makes no modification
assert A.x == 5
def test_setattr():
class A:
x = 1
monkeypatch = MonkeyPatch()
pytest.raises(AttributeError, "monkeypatch.setattr(A, 'notexists', 2)")
monkeypatch.setattr(A, 'y', 2, raising=False)
assert A.y == 2
monkeypatch.undo()
assert not hasattr(A, 'y')
monkeypatch = MonkeyPatch()
monkeypatch.setattr(A, 'x', 2)
assert A.x == 2
monkeypatch.setattr(A, 'x', 3)
assert A.x == 3
monkeypatch.undo()
assert A.x == 1
A.x = 5
monkeypatch.undo() # double-undo makes no modification
assert A.x == 5
