def test_write_2():
obj1 = {'foo': {'bar': 'baz'}}
target = Target('foo:bar')
obj2 = target.write(obj1, 'qux')
assert target.read(obj1) == 'baz'
assert target.read(obj2) == 'qux'
obj3 = target.delete(obj1)
assert 'baz' not in obj3['foo']
def test_write_1():
obj1 = {'foo': 42}
target = Target('foo')
obj2 = target.write(obj1, 'bar')
assert target.read(obj1) == 42
assert target.read(obj2) == 'bar'
obj3 = target.delete(obj1)
assert 'foo' not in obj3
def test_read_2():
obj = {'one': {'two': None}}
target = Target('one:two:three')
with pytest.raises(NotFound):
target.read(obj)
def test_read():
obj1 = {'foo': 42, 'bar': ['baz', 'qux']}
obj2 = {'one': 42, 'two': {'three': 4}}
target = Target('foo')
assert target.read(obj1) == 42
with pytest.raises(NotFound):
target.read(obj2)
target = Target('foo:42')
with pytest.raises(WrongType):
target.read(obj1)
with pytest.raises(NotFound):
target.read(obj2)
target = Target('bar:baz')
with pytest.raises(WrongType):
target.read(obj1)
with pytest.raises(NotFound):
target.read(obj2)
target = Target('bar:qux')
with pytest.raises(WrongType):
target.read(obj1)
with pytest.raises(NotFound):
target.read(obj2)
target = Target('two:three')
with pytest.raises(NotFound):
target.read(obj1)
assert target.read(obj2) == 4
