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cover missing mcp tools list

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kigland 2026-06-07 11:10:37 +08:00
parent 0a0e4fea0d
commit d0388dcd84
1 changed files with 22 additions and 0 deletions
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22
tests/mcp_tests/test_mcp_client_unit.py
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@ -193,6 +193,28 @@ class TestMCPClientUnitTests:
mock_session_instance.initialize.assert_called_once()
mock_session_instance.send_request.assert_awaited_once()
@pytest.mark.asyncio
async def test_list_tools_tolerates_missing_tools_field(self):
"""Test listing tools when the upstream response omits empty tools."""
client = MCPClient("http://example.com")
mock_session = AsyncMock()
async def send_request(_request, result_type):
assert result_type is mcp_client_module._LenientListToolsResult
return result_type.model_validate({})
mock_session.send_request = AsyncMock(side_effect=send_request)
async def run_with_session(operation):
return await operation(mock_session)
client.run_with_session = AsyncMock(side_effect=run_with_session)
result = await client.list_tools()
assert result == []
mock_session.send_request.assert_awaited_once()
@pytest.mark.asyncio
@patch.object(mcp_client_module, "streamable_http_client")
@patch.object(mcp_client_module, "ClientSession")