def test_push_pop(self):
config = Config({'x': 1, 'y': 2})
compare(config.x, expected=1)
compare(config.y, expected=2)
config.push(Config({'x': 3}))
compare(config.x, expected=3)
compare(config.y, expected=2)
config.pop()
compare(config.x, expected=1)
compare(config.y, expected=2)
def test_push_empty(self):
config = Config({'x': 1, 'y': 2})
compare(config.x, expected=1)
compare(config.y, expected=2)
config.push(Config({'x': 3}), empty=True)
compare(config.x, expected=3)
with ShouldRaise(AttributeError('y')):
config.y
config.pop()
compare(config.x, expected=1)
compare(config.y, expected=2)
def test_context_manager_push_pathological(self):
config = Config({'x': 1, 'y': 2})
compare(config.x, expected=1)
compare(config.y, expected=2)
with config.push():
config.data['a'] = 5
config.push({'x': 3})
config.push({'z': 4})
compare(config.a, expected=5)
compare(config.x, expected=3)
compare(config.y, expected=2)
compare(config.z, expected=4)
compare(config.x, expected=1)
compare(config.y, expected=2)
with ShouldRaise(AttributeError('a')):
config.a
with ShouldRaise(AttributeError('z')):
config.z
def test_context_manager_push(self):
config = Config({'x': 1, 'y': 2})
compare(config.x, expected=1)
compare(config.y, expected=2)
with config.push(Config({'x': 3})):
compare(config.x, expected=3)
compare(config.y, expected=2)
compare(config.x, expected=1)
compare(config.y, expected=2)
def test_context_manager_push_deep(self):
config = Config({'x': {'y': 'z'}})
with config.push():
config.data['x']['y'] = 'a'
compare(config.x.y, expected='a')
compare(config.x.y, expected='z')
def test_push_non_config(self):
config = Config({'x': 1})
compare(config.x, expected=1)
config.push({'x': 2})
compare(config.x, expected=2)
