File: test_types.py

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import types

import pytest


def test_proxies(multidict_module: types.ModuleType) -> None:
    assert issubclass(
        multidict_module.CIMultiDictProxy,
        multidict_module.MultiDictProxy,
    )


def test_dicts(multidict_module: types.ModuleType) -> None:
    assert issubclass(multidict_module.CIMultiDict, multidict_module.MultiDict)


def test_proxy_not_inherited_from_dict(multidict_module: types.ModuleType) -> None:
    assert not issubclass(multidict_module.MultiDictProxy, multidict_module.MultiDict)


def test_dict_not_inherited_from_proxy(multidict_module: types.ModuleType) -> None:
    assert not issubclass(multidict_module.MultiDict, multidict_module.MultiDictProxy)


def test_multidict_proxy_copy_type(multidict_module: types.ModuleType) -> None:
    d = multidict_module.MultiDict(key="val")
    p = multidict_module.MultiDictProxy(d)
    assert isinstance(p.copy(), multidict_module.MultiDict)


def test_cimultidict_proxy_copy_type(multidict_module: types.ModuleType) -> None:
    d = multidict_module.CIMultiDict(key="val")
    p = multidict_module.CIMultiDictProxy(d)
    assert isinstance(p.copy(), multidict_module.CIMultiDict)


def test_create_multidict_proxy_from_nonmultidict(
    multidict_module: types.ModuleType,
) -> None:
    with pytest.raises(TypeError):
        multidict_module.MultiDictProxy({})


def test_create_multidict_proxy_from_cimultidict(
    multidict_module: types.ModuleType,
) -> None:
    d = multidict_module.CIMultiDict(key="val")
    p = multidict_module.MultiDictProxy(d)
    assert p == d


def test_create_multidict_proxy_from_multidict_proxy_from_mdict(
    multidict_module: types.ModuleType,
) -> None:
    d = multidict_module.MultiDict(key="val")
    p = multidict_module.MultiDictProxy(d)
    assert p == d
    p2 = multidict_module.MultiDictProxy(p)
    assert p2 == p


def test_create_cimultidict_proxy_from_cimultidict_proxy_from_ci(
    multidict_module: types.ModuleType,
) -> None:
    d = multidict_module.CIMultiDict(key="val")
    p = multidict_module.CIMultiDictProxy(d)
    assert p == d
    p2 = multidict_module.CIMultiDictProxy(p)
    assert p2 == p


def test_create_cimultidict_proxy_from_nonmultidict(
    multidict_module: types.ModuleType,
) -> None:
    with pytest.raises(
        TypeError,
        match=(
            "ctor requires CIMultiDict or CIMultiDictProxy instance, "
            "not <class 'dict'>"
        ),
    ):
        multidict_module.CIMultiDictProxy({})


def test_create_ci_multidict_proxy_from_multidict(
    multidict_module: types.ModuleType,
) -> None:
    d = multidict_module.MultiDict(key="val")
    with pytest.raises(
        TypeError,
        match=(
            "ctor requires CIMultiDict or CIMultiDictProxy instance, "
            "not <class 'multidict._multidict.*.MultiDict'>"
        ),
    ):
        multidict_module.CIMultiDictProxy(d)


def test_generic_alias(multidict_module: types.ModuleType) -> None:
    assert multidict_module.MultiDict[int] == types.GenericAlias(
        multidict_module.MultiDict, (int,)
    )
    assert multidict_module.MultiDictProxy[int] == types.GenericAlias(
        multidict_module.MultiDictProxy, (int,)
    )
    assert multidict_module.CIMultiDict[int] == types.GenericAlias(
        multidict_module.CIMultiDict, (int,)
    )
    assert multidict_module.CIMultiDictProxy[int] == types.GenericAlias(
        multidict_module.CIMultiDictProxy, (int,)
    )