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Align with spec #3002: optional clientInfo, serverInfo in result _meta (#3143)

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Max 2026-07-23 12:00:36 +01:00 • committed by GitHub
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52
tests/shared/test_inbound.py
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@ -98,19 +98,55 @@ def assert_rejected(result: object, code: int) -> InboundLadderRejection:
@pytest.mark.parametrize(
"body",
("body", "named"),
[
pytest.param({"jsonrpc": "2.0", "id": 1, "method": "tools/list"}, id="no-params"),
pytest.param({"jsonrpc": "2.0", "id": 1, "method": "tools/list", "params": {}}, id="no-meta"),
pytest.param(envelope(drop=frozenset({PROTOCOL_VERSION_META_KEY})), id="meta-missing-version"),
pytest.param(envelope(drop=frozenset({CLIENT_INFO_META_KEY})), id="meta-missing-client-info"),
pytest.param(envelope(drop=frozenset({CLIENT_CAPABILITIES_META_KEY})), id="meta-missing-client-caps"),
pytest.param(
{"jsonrpc": "2.0", "id": 1, "method": "tools/list"},
[PROTOCOL_VERSION_META_KEY, CLIENT_CAPABILITIES_META_KEY],
id="no-params",
),
pytest.param(
{"jsonrpc": "2.0", "id": 1, "method": "tools/list", "params": {}},
[PROTOCOL_VERSION_META_KEY, CLIENT_CAPABILITIES_META_KEY],
id="no-meta",
),
pytest.param(
envelope(drop=frozenset({PROTOCOL_VERSION_META_KEY})),
[PROTOCOL_VERSION_META_KEY],
id="meta-missing-version",
),
pytest.param(
envelope(drop=frozenset({CLIENT_CAPABILITIES_META_KEY})),
[CLIENT_CAPABILITIES_META_KEY],
id="meta-missing-client-caps",
),
pytest.param(
envelope(drop=frozenset({PROTOCOL_VERSION_META_KEY, CLIENT_CAPABILITIES_META_KEY})),
[PROTOCOL_VERSION_META_KEY, CLIENT_CAPABILITIES_META_KEY],
id="meta-missing-both",
),
],
)
def test_envelope_rung_rejects_missing_keys(body: dict[str, Any]) -> None:
"""Spec-mandated: a modern request lacking any of the three reserved `_meta` keys is rejected INVALID_PARAMS."""
def test_envelope_rung_rejects_missing_required_keys(body: dict[str, Any], named: list[str]) -> None:
"""Spec-mandated (basic/index.mdx per-request protocol fields): a modern
request lacking a required `_meta` envelope key (protocol version or
client capabilities) is rejected INVALID_PARAMS with a message naming the
missing key(s)."""
rejection = assert_rejected(classify_inbound_request(body), INVALID_PARAMS)
assert rejection.data is None
for key in named:
assert key in rejection.message
def test_envelope_rung_accepts_pair_only_envelope_without_client_info() -> None:
"""Spec-mandated (spec PR #3002): `clientInfo` is optional - a request whose
`_meta` carries only the protocol-version + client-capabilities pair
routes, with `client_info` read as `None`."""
result = classify_inbound_request(envelope(drop=frozenset({CLIENT_INFO_META_KEY})))
assert isinstance(result, InboundModernRoute)
assert result.protocol_version == LATEST_MODERN_VERSION
assert result.client_info is None
assert result.client_capabilities == CLIENT_CAPS
@pytest.mark.parametrize(