def test_setitem_deleted_meanwhile():
d = {}
monkeypatch = MonkeyPatch()
monkeypatch.setitem(d, 'x', 2)
del d['x']
monkeypatch.undo()
assert not d
def test_issue1338_name_resolving():
pytest.importorskip('requests')
monkeypatch = MonkeyPatch()
try:
monkeypatch.delattr('requests.sessions.Session.request')
finally:
monkeypatch.undo()
def test_issue1338_name_resolving():
pytest.importorskip('requests')
monkeypatch = MonkeyPatch()
try:
monkeypatch.delattr('requests.sessions.Session.request')
finally:
monkeypatch.undo()
def test_setenv():
monkeypatch = MonkeyPatch()
monkeypatch.setenv('XYZ123', 2)
import os
assert os.environ['XYZ123'] == "2"
monkeypatch.undo()
assert 'XYZ123' not in os.environ
def test_setenv():
monkeypatch = MonkeyPatch()
monkeypatch.setenv('XYZ123', 2)
import os
assert os.environ['XYZ123'] == "2"
monkeypatch.undo()
assert 'XYZ123' not in os.environ
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_setenv_prepend():
import os
monkeypatch = MonkeyPatch()
monkeypatch.setenv('XYZ123', 2, prepend="-")
assert os.environ['XYZ123'] == "2"
monkeypatch.setenv('XYZ123', 3, prepend="-")
assert os.environ['XYZ123'] == "3-2"
monkeypatch.undo()
assert 'XYZ123' not in os.environ
def test_setenv_prepend():
import os
monkeypatch = MonkeyPatch()
monkeypatch.setenv('XYZ123', 2, prepend="-")
assert os.environ['XYZ123'] == "2"
monkeypatch.setenv('XYZ123', 3, prepend="-")
assert os.environ['XYZ123'] == "3-2"
monkeypatch.undo()
assert 'XYZ123' not in os.environ
def test_setenv_deleted_meanwhile(before):
key = "qwpeoip123"
if before:
os.environ[key] = "world"
monkeypatch = MonkeyPatch()
monkeypatch.setenv(key, 'hello')
del os.environ[key]
monkeypatch.undo()
if before:
assert os.environ[key] == "world"
del os.environ[key]
else:
assert key not in os.environ
def test_setenv_deleted_meanwhile(before):
key = "qwpeoip123"
if before:
os.environ[key] = "world"
monkeypatch = MonkeyPatch()
monkeypatch.setenv(key, 'hello')
del os.environ[key]
monkeypatch.undo()
if before:
assert os.environ[key] == "world"
del os.environ[key]
else:
assert key not in os.environ
def test_delitem():
d = {'x': 1}
monkeypatch = MonkeyPatch()
monkeypatch.delitem(d, 'x')
assert 'x' not in d
monkeypatch.delitem(d, 'y', raising=False)
pytest.raises(KeyError, "monkeypatch.delitem(d, 'y')")
assert not d
monkeypatch.setitem(d, 'y', 1700)
assert d['y'] == 1700
d['hello'] = 'world'
monkeypatch.setitem(d, 'x', 1500)
assert d['x'] == 1500
monkeypatch.undo()
assert d == {'hello': 'world', 'x': 1}
def test_setitem():
d = {'x': 1}
monkeypatch = MonkeyPatch()
monkeypatch.setitem(d, 'x', 2)
monkeypatch.setitem(d, 'y', 1700)
monkeypatch.setitem(d, 'y', 1700)
assert d['x'] == 2
assert d['y'] == 1700
monkeypatch.setitem(d, 'x', 3)
assert d['x'] == 3
monkeypatch.undo()
assert d['x'] == 1
assert 'y' not in d
d['x'] = 5
monkeypatch.undo()
assert d['x'] == 5
def test_setitem():
d = {'x': 1}
monkeypatch = MonkeyPatch()
monkeypatch.setitem(d, 'x', 2)
monkeypatch.setitem(d, 'y', 1700)
monkeypatch.setitem(d, 'y', 1700)
assert d['x'] == 2
assert d['y'] == 1700
monkeypatch.setitem(d, 'x', 3)
assert d['x'] == 3
monkeypatch.undo()
assert d['x'] == 1
assert 'y' not in d
d['x'] = 5
monkeypatch.undo()
assert d['x'] == 5
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_delenv():
name = 'xyz1234'
assert name not in os.environ
monkeypatch = MonkeyPatch()
pytest.raises(KeyError, "monkeypatch.delenv(%r, raising=True)" % name)
monkeypatch.delenv(name, raising=False)
monkeypatch.undo()
os.environ[name] = "1"
try:
monkeypatch = MonkeyPatch()
monkeypatch.delenv(name)
assert name not in os.environ
monkeypatch.setenv(name, "3")
assert os.environ[name] == "3"
monkeypatch.undo()
assert os.environ[name] == "1"
finally:
if name in os.environ:
del os.environ[name]
def test_delenv():
name = 'xyz1234'
assert name not in os.environ
monkeypatch = MonkeyPatch()
pytest.raises(KeyError, "monkeypatch.delenv(%r, raising=True)" % name)
monkeypatch.delenv(name, raising=False)
monkeypatch.undo()
os.environ[name] = "1"
try:
monkeypatch = MonkeyPatch()
monkeypatch.delenv(name)
assert name not in os.environ
monkeypatch.setenv(name, "3")
assert os.environ[name] == "3"
monkeypatch.undo()
assert os.environ[name] == "1"
finally:
if name in os.environ:
del os.environ[name]
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
def test_setitem_deleted_meanwhile():
d = {}
monkeypatch = MonkeyPatch()
monkeypatch.setitem(d, 'x', 2)
del d['x']
monkeypatch.undo()
assert not d
def test_delitem():
d = {'x': 1}
monkeypatch = MonkeyPatch()
monkeypatch.delitem(d, 'x')
assert 'x' not in d
monkeypatch.delitem(d, 'y', raising=False)
pytest.raises(KeyError, "monkeypatch.delitem(d, 'y')")
assert not d
monkeypatch.setitem(d, 'y', 1700)
assert d['y'] == 1700
d['hello'] = 'world'
monkeypatch.setitem(d, 'x', 1500)
assert d['x'] == 1500
monkeypatch.undo()
assert d == {'hello': 'world', 'x': 1}