Initially introduced in 1.18, Kubernetes 1.20 now enables API Priority and Fairness (APF) by default. This allows `kube-apiserver` to [categorize incoming requests by priority levels](https://docs.k8s.io/concepts/cluster-administration/flow-control/).

### IPv4/IPv6 run

    [
        ("-1", 200),
        ("inf", 200),
        ("-inf", 200),
        ("nan", 200),
        ("0", 200),
        ("342", 200),
    ],
)
def test_allow_inf_nan_param_default(value: str, code: int):
    response = client.post(f"/?z={value}")
    assert response.status_code == code, response.text


@pytest.mark.parametrize(
    "value,code",
    [
        ("-1", 200),
        ("inf", 422),

                    <mxGeometry relative="1" as="geometry">
                        <Array as="points">
                            <mxPoint x="1240" y="390"/>
                            <mxPoint x="1240" y="700"/>
                        </Array>
                    </mxGeometry>
                </mxCell>

        ),
        (
            "/items?q=foo&skip=1",
            200,
            {"items": [{"item_name": "Bar"}, {"item_name": "Baz"}], "q": "foo"},
        ),
        (
            "/items?q=bar&limit=2",
            200,
            {"items": [{"item_name": "Foo"}, {"item_name": "Bar"}], "q": "bar"},
        ),
        (
            "/items?q=bar&skip=1&limit=1",
            200,

                    <mxGeometry relative="1" as="geometry">
                        <Array as="points">
                            <mxPoint x="1240" y="390"/>
                            <mxPoint x="1240" y="700"/>
                        </Array>
                    </mxGeometry>
                </mxCell>

        ),
        (
            "/items?q=foo&skip=1",
            200,
            {"items": [{"item_name": "Bar"}, {"item_name": "Baz"}], "q": "foo"},
        ),
        (
            "/items?q=bar&limit=2",
            200,
            {"items": [{"item_name": "Foo"}, {"item_name": "Bar"}], "q": "bar"},
        ),
        (
            "/items?q=bar&skip=1&limit=1",
            200,

    HostAndPort hpNoPort5 = HostAndPort.fromHost("foo::123");

    HostAndPort hpWithPort1 = HostAndPort.fromParts("[foo::123]", 80);
    HostAndPort hpWithPort2 = HostAndPort.fromParts("foo::123", 80);
    HostAndPort hpWithPort3 = HostAndPort.fromString("[foo::123]:80");

    new EqualsTester()
        .addEqualityGroup(hpNoPort1, hpNoPort2, hpNoPort3, hpNoPort4, hpNoPort5)

        ),
        (
            "/items?q=foo&skip=1",
            200,
            {"items": [{"item_name": "Bar"}, {"item_name": "Baz"}], "q": "foo"},
        ),
        (
            "/items?q=bar&limit=2",
            200,
            {"items": [{"item_name": "Foo"}, {"item_name": "Bar"}], "q": "bar"},
        ),
        (
            "/items?q=bar&skip=1&limit=1",
            200,

        ),
        (
            "/items?q=foo&skip=1",
            200,
            {"items": [{"item_name": "Bar"}, {"item_name": "Baz"}], "q": "foo"},
        ),
        (
            "/items?q=bar&limit=2",
            200,
            {"items": [{"item_name": "Foo"}, {"item_name": "Bar"}], "q": "bar"},
        ),
        (
            "/items?q=bar&skip=1&limit=1",
            200,

        ),
        (
            "/items?q=foo&skip=1",
            200,
            {"items": [{"item_name": "Bar"}, {"item_name": "Baz"}], "q": "foo"},
        ),
        (
            "/items?q=bar&limit=2",
            200,
            {"items": [{"item_name": "Foo"}, {"item_name": "Bar"}], "q": "bar"},
        ),
        (
            "/items?q=bar&skip=1&limit=1",
            200,