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zhuwenxing
e6aff936b7
CDC tests miss several mutation and control APIs, and some existing checks can pass after a failed read or by inspecting only the primary. This change verifies replicated state, intentionally local operations, and rejected requests against their respective contracts. - Cover schema/function mutations, partial updates, truncate, RBAC, resource groups, import commit/abort, snapshot/refresh boundaries, and unsupported RPCs with state and subsequent-write checks. - Strengthen existing load/release, index, alias, partition, permission, and switchover assertions. Mark cases that require a CDC topology as L3. - Use MilvusClient for supported SDK operations and remove MilvusSys/global ORM setup from CDC paths. Retain authenticated protocol coverage where public SDK wrappers are unavailable. Document configuration requirements and the explicit instance-name option for stability tests. Validation: - 72 selected cases passed across focused runs against Milvus commit `7abbd0c5f7f` with PyMilvus `3.1.0rc98`; this is an aggregate, not a full-suite run. - 11 cases passed with ORM connections and MilvusSys initialization forbidden. The corrected local restore/refresh boundaries and separate secondary-refresh rejection case also passed. - Ruff checks and formatting passed. After rebasing onto master, L3 collection selected 106 of 171 CDC cases. - No new Milvus restarts or panic signatures were observed in the focused verification windows. Long-duration stability workloads were not rerun; their connection initialization was checked separately. Recurring Jenkins selection is not verified. Setup and execution details are documented in `tests/python_client/cdc/README.md`. --------- Signed-off-by: zhuwenxing <wenxing.zhu@zilliz.com>