Example #1
0
    def test_namedtuple(self):
        """TODO: this fails right now because namedtuples' __new__ is
        overridden to accept arguments. remap's default_enter tries
        to create an empty namedtuple and gets a TypeError.

        Could make it so that immutable types actually don't create a
        blank new parent and instead use the old_parent as a
        placeholder, creating a new one at exit-time from the value's
        __class__ (how default_exit works now). But even then it would
        have to *args in the values, as namedtuple constructors don't
        take an iterable.
        """

        Point = namedtuple('Point', 'x y')
        point_map = {'origin': [Point(0, 0)]}

        with pytest.raises(TypeError):
            remapped = remap(point_map)
            assert isinstance(remapped['origin'][0], Point)
Example #2
0
    def test_namedtuple(self):
        """TODO: this fails right now because namedtuples' __new__ is
        overridden to accept arguments. remap's default_enter tries
        to create an empty namedtuple and gets a TypeError.

        Could make it so that immutable types actually don't create a
        blank new parent and instead use the old_parent as a
        placeholder, creating a new one at exit-time from the value's
        __class__ (how default_exit works now). But even then it would
        have to *args in the values, as namedtuple constructors don't
        take an iterable.
        """

        Point = namedtuple('Point', 'x y')
        point_map = {'origin': [Point(0, 0)]}

        with pytest.raises(TypeError):
            remapped = remap(point_map)
            assert isinstance(remapped['origin'][0], Point)
# -*- coding: utf-8 -*-

try:
    from cPickle import loads, dumps
except:
    from pickle import loads, dumps

from boltons.namedutils import namedlist, namedtuple

Point = namedtuple('Point', 'x, y', rename=True)
MutablePoint = namedlist('MutablePoint', 'x, y', rename=True)


def test_namedlist():
    p = MutablePoint(x=10, y=20)

    assert p == [10, 20]
    p[0] = 11
    assert p == [11, 20]
    p.x = 12
    assert p == [12, 20]


def test_namedlist_pickle():
    p = MutablePoint(x=10, y=20)
    assert p == loads(dumps(p))


def test_namedtuple_pickle():
    p = Point(x=10, y=20)
    assert p == loads(dumps(p))