aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/multidict/tests/test_abc.py
blob: e18ad83f820dcf05b571f7ff9f0ac89eccf610d8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
from collections.abc import Mapping, MutableMapping

import pytest

from multidict import MultiMapping, MutableMultiMapping


def test_abc_inheritance():
    assert issubclass(MultiMapping, Mapping)
    assert not issubclass(MultiMapping, MutableMapping)
    assert issubclass(MutableMultiMapping, Mapping)
    assert issubclass(MutableMultiMapping, MutableMapping)


class A(MultiMapping):
    def __getitem__(self, key):
        pass

    def __iter__(self):
        pass

    def __len__(self):
        pass

    def getall(self, key, default=None):
        super().getall(key, default)

    def getone(self, key, default=None):
        super().getone(key, default)


def test_abc_getall():
    with pytest.raises(KeyError):
        A().getall("key")


def test_abc_getone():
    with pytest.raises(KeyError):
        A().getone("key")


class B(A, MutableMultiMapping):
    def __setitem__(self, key, value):
        pass

    def __delitem__(self, key):
        pass

    def add(self, key, value):
        super().add(key, value)

    def extend(self, *args, **kwargs):
        super().extend(*args, **kwargs)

    def popall(self, key, default=None):
        super().popall(key, default)

    def popone(self, key, default=None):
        super().popone(key, default)


def test_abc_add():
    with pytest.raises(NotImplementedError):
        B().add("key", "val")


def test_abc_extend():
    with pytest.raises(NotImplementedError):
        B().extend()


def test_abc_popone():
    with pytest.raises(KeyError):
        B().popone("key")


def test_abc_popall():
    with pytest.raises(KeyError):
        B().popall("key")


def test_multidict_inheritance(any_multidict_class):
    assert issubclass(any_multidict_class, MultiMapping)
    assert issubclass(any_multidict_class, MutableMultiMapping)


def test_proxy_inheritance(any_multidict_proxy_class):
    assert issubclass(any_multidict_proxy_class, MultiMapping)
    assert not issubclass(any_multidict_proxy_class, MutableMultiMapping)


def test_generic_type_in_runtime():
    MultiMapping[str]
    MutableMultiMapping[str]