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import datetime as dt
from copy import copy, deepcopy
from functools import partial
from typing import NamedTuple
import pytest
from marshmallow import Schema, fields, utils
from tests.base import assert_date_equal, assert_time_equal, central
def test_missing_singleton_copy():
assert copy(utils.missing) is utils.missing
assert deepcopy(utils.missing) is utils.missing
class PointNT(NamedTuple):
x: int
y: int
class PointClass:
def __init__(self, x, y):
self.x = x
self.y = y
class PointDict(dict):
def __init__(self, x, y):
super().__init__({"x": x})
self.y = y
@pytest.mark.parametrize(
"obj", [PointNT(24, 42), PointClass(24, 42), PointDict(24, 42), {"x": 24, "y": 42}]
)
def test_get_value_from_object(obj):
assert utils.get_value(obj, "x") == 24
assert utils.get_value(obj, "y") == 42
def test_get_value_from_namedtuple_with_default():
p = PointNT(x=42, y=None)
# Default is only returned if key is not found
assert utils.get_value(p, "z", default=123) == 123
# since 'y' is an attribute, None is returned instead of the default
assert utils.get_value(p, "y", default=123) is None
class Triangle:
def __init__(self, p1, p2, p3):
self.p1 = p1
self.p2 = p2
self.p3 = p3
self.points = [p1, p2, p3]
def test_get_value_for_nested_object():
tri = Triangle(p1=PointClass(1, 2), p2=PointNT(3, 4), p3={"x": 5, "y": 6})
assert utils.get_value(tri, "p1.x") == 1
assert utils.get_value(tri, "p2.x") == 3
assert utils.get_value(tri, "p3.x") == 5
# regression test for https://github.com/marshmallow-code/marshmallow/issues/62
def test_get_value_from_dict():
d = dict(items=["foo", "bar"], keys=["baz", "quux"])
assert utils.get_value(d, "items") == ["foo", "bar"]
assert utils.get_value(d, "keys") == ["baz", "quux"]
def test_get_value():
lst = [1, 2, 3]
assert utils.get_value(lst, 1) == 2
class MyInt(int):
pass
assert utils.get_value(lst, MyInt(1)) == 2
def test_set_value():
d = {}
utils.set_value(d, "foo", 42)
assert d == {"foo": 42}
d = {}
utils.set_value(d, "foo.bar", 42)
assert d == {"foo": {"bar": 42}}
d = {"foo": {}}
utils.set_value(d, "foo.bar", 42)
assert d == {"foo": {"bar": 42}}
d = {"foo": 42}
with pytest.raises(ValueError):
utils.set_value(d, "foo.bar", 42)
def test_is_keyed_tuple():
p = PointNT(24, 42)
assert utils.is_keyed_tuple(p) is True
t = (24, 42)
assert utils.is_keyed_tuple(t) is False
d = {"x": 42, "y": 24}
assert utils.is_keyed_tuple(d) is False
s = "xy"
assert utils.is_keyed_tuple(s) is False
lst = [24, 42]
assert utils.is_keyed_tuple(lst) is False
def test_is_collection():
assert utils.is_collection([1, "foo", {}]) is True
assert utils.is_collection(("foo", 2.3)) is True
assert utils.is_collection({"foo": "bar"}) is False
@pytest.mark.parametrize(
("value", "expected"),
[
(dt.datetime(2013, 11, 10, 1, 23, 45), "Sun, 10 Nov 2013 01:23:45 -0000"),
(
dt.datetime(2013, 11, 10, 1, 23, 45, tzinfo=dt.timezone.utc),
"Sun, 10 Nov 2013 01:23:45 +0000",
),
(
dt.datetime(2013, 11, 10, 1, 23, 45, tzinfo=central),
"Sun, 10 Nov 2013 01:23:45 -0600",
),
],
)
def test_rfc_format(value, expected):
assert utils.rfcformat(value) == expected
@pytest.mark.parametrize(
("value", "expected"),
[
(dt.datetime(2013, 11, 10, 1, 23, 45), "2013-11-10T01:23:45"),
(
dt.datetime(2013, 11, 10, 1, 23, 45, 123456, tzinfo=dt.timezone.utc),
"2013-11-10T01:23:45.123456+00:00",
),
(
dt.datetime(2013, 11, 10, 1, 23, 45, tzinfo=dt.timezone.utc),
"2013-11-10T01:23:45+00:00",
),
(
dt.datetime(2013, 11, 10, 1, 23, 45, tzinfo=central),
"2013-11-10T01:23:45-06:00",
),
],
)
def test_isoformat(value, expected):
assert utils.isoformat(value) == expected
@pytest.mark.parametrize(
("value", "expected"),
[
("Sun, 10 Nov 2013 01:23:45 -0000", dt.datetime(2013, 11, 10, 1, 23, 45)),
(
"Sun, 10 Nov 2013 01:23:45 +0000",
dt.datetime(2013, 11, 10, 1, 23, 45, tzinfo=dt.timezone.utc),
),
(
"Sun, 10 Nov 2013 01:23:45 -0600",
dt.datetime(2013, 11, 10, 1, 23, 45, tzinfo=central),
),
],
)
def test_from_rfc(value, expected):
result = utils.from_rfc(value)
assert type(result) is dt.datetime
assert result == expected
@pytest.mark.parametrize(
("value", "expected"),
[
("2013-11-10T01:23:45", dt.datetime(2013, 11, 10, 1, 23, 45)),
(
"2013-11-10T01:23:45+00:00",
dt.datetime(2013, 11, 10, 1, 23, 45, tzinfo=dt.timezone.utc),
),
(
# Regression test for https://github.com/marshmallow-code/marshmallow/issues/1251
"2013-11-10T01:23:45.123+00:00",
dt.datetime(2013, 11, 10, 1, 23, 45, 123000, tzinfo=dt.timezone.utc),
),
(
"2013-11-10T01:23:45.123456+00:00",
dt.datetime(2013, 11, 10, 1, 23, 45, 123456, tzinfo=dt.timezone.utc),
),
(
"2013-11-10T01:23:45-06:00",
dt.datetime(2013, 11, 10, 1, 23, 45, tzinfo=central),
),
],
)
def test_from_iso_datetime(value, expected):
result = utils.from_iso_datetime(value)
assert type(result) is dt.datetime
assert result == expected
def test_from_iso_time_with_microseconds():
t = dt.time(1, 23, 45, 6789)
formatted = t.isoformat()
result = utils.from_iso_time(formatted)
assert type(result) is dt.time
assert_time_equal(result, t)
def test_from_iso_time_without_microseconds():
t = dt.time(1, 23, 45)
formatted = t.isoformat()
result = utils.from_iso_time(formatted)
assert type(result) is dt.time
assert_time_equal(result, t)
def test_from_iso_date():
d = dt.date(2014, 8, 21)
iso_date = d.isoformat()
result = utils.from_iso_date(iso_date)
assert type(result) is dt.date
assert_date_equal(result, d)
@pytest.mark.parametrize(
("value", "expected"),
[
(1676386740, dt.datetime(2023, 2, 14, 14, 59, 00)),
(1676386740.58, dt.datetime(2023, 2, 14, 14, 59, 00, 580000)),
],
)
def test_from_timestamp(value, expected):
result = utils.from_timestamp(value)
assert type(result) is dt.datetime
assert result == expected
def test_from_timestamp_with_negative_value():
value = -10
with pytest.raises(ValueError, match=r"Not a valid POSIX timestamp"):
utils.from_timestamp(value)
def test_from_timestamp_with_overflow_value():
value = 9223372036854775
with pytest.raises(ValueError, match="out of range"):
utils.from_timestamp(value)
def test_get_func_args():
def f1(foo, bar):
pass
f2 = partial(f1, "baz")
class F3:
def __call__(self, foo, bar):
pass
f3 = F3()
for func in [f1, f2, f3]:
assert utils.get_func_args(func) == ["foo", "bar"]
# Regression test for https://github.com/marshmallow-code/marshmallow/issues/540
def test_function_field_using_type_annotation():
def get_split_words(value: str):
return value.split(";")
class MySchema(Schema):
friends = fields.Function(deserialize=get_split_words)
data = {"friends": "Clark;Alfred;Robin"}
result = MySchema().load(data)
assert result == {"friends": ["Clark", "Alfred", "Robin"]}
|
