def test_map_values():
n = OrderedMapping(a=1)
n.b = 2
res = pkcollections.map_values(n, lambda v: v * 2)
assert [2, 4] == res, \
'map_values should call op in order'
assert [1, 2] == pkcollections.map_values(n), \
'map_values should return values with no op'
def test_map_keys():
n = OrderedMapping(a=1)
n.b = 2
res = pkcollections.map_keys(n, lambda k: k * 2)
assert ['aa', 'bb'] == res, \
'map_keys should call op in order'
assert ['a', 'b'] == pkcollections.map_keys(n), \
'map_keys should return keys with no op'
def test_map_items():
n = OrderedMapping(a=1)
n.b = 2
res = pkcollections.map_items(n, lambda k, v: (v + 1, k))
assert [(2, 'a'), (3, 'b')] == res, \
'map_items should call op in order'
assert [('a', 1), ('b', 2)] == pkcollections.map_items(n), \
'map_items should return items with no op'
def test_map_values():
n = OrderedMapping(a=1)
n.b = 2
res = pkcollections.map_values(n, lambda v: v * 2)
assert [2, 4] == res, \
'map_values should call op in order'
assert [1, 2] == pkcollections.map_values(n), \
'map_values should return values with no op'
def test_map_keys():
n = OrderedMapping(a=1)
n.b = 2
res = pkcollections.map_keys(n, lambda k: k * 2)
assert ['aa', 'bb'] == res, \
'map_keys should call op in order'
assert ['a', 'b'] == pkcollections.map_keys(n), \
'map_keys should return keys with no op'
def test_map_items():
n = OrderedMapping(a=1)
n.b = 2
res = pkcollections.map_items(n, lambda k, v: (v + 1, k))
assert [(2, 'a'), (3, 'b')] == res, \
'map_items should call op in order'
assert [('a', 1), ('b', 2)] == pkcollections.map_items(n), \
'map_items should return items with no op'