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Summary of ChangesHello @SallyHuo-TAOS, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request enhances the test setup process by introducing a robust waiting mechanism for dnodes. Previously, tests might proceed immediately after dnode creation, potentially leading to failures if the dnodes were not yet fully initialized. The updated logic now actively polls the dnode status, ensuring all required dnodes are in a 'ready' state within a defined timeout period, thereby improving the reliability and consistency of test environments. Highlights
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Code Review
The pull request introduces a mechanism to check the status of dnodes until they are ready, adding a timeout to prevent indefinite waiting. The changes involve adding a loop that queries the information_schema.ins_dnodes table, checks the status of each dnode, and exits the loop when all dnodes are ready or the timeout is reached. The review focuses on the correctness and efficiency of the introduced logic.
| tdLog.debug(tdSql.query(f"show dnodes", row_tag=True)) | ||
| count += 1 | ||
| else: | ||
| tdLog.exit(f"{request.session.create_dnode_num} dnodes not all ready within {timeout}s!") |
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Using tdLog.exit will terminate the test execution, which might not be the desired behavior. A more graceful approach would be to raise an exception, allowing pytest to handle the test failure and report it appropriately.
Consider raising a RuntimeError instead of exiting directly.
| tdLog.exit(f"{request.session.create_dnode_num} dnodes not all ready within {timeout}s!") | |
| raise RuntimeError(f"{request.session.create_dnode_num} dnodes not all ready within {timeout}s!") |
| # 处理 -C 参数，如果未设置 -C 参数，create_dnode_num 和 -N 参数相同 | ||
| for i in range(1, request.session.create_dnode_num): | ||
| tdSql.execute(f"create dnode localhost port {6030+i*100}") | ||
| time.sleep(request.session.create_dnode_num) |
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The sleep duration here is dependent on the number of dnodes being created. This could potentially lead to issues if the dnodes take longer than expected to start. It's better to wait for a fixed small duration here, and rely on the readiness check logic that follows.
Consider reducing this to a fixed small duration, such as 1 second.
| time.sleep(request.session.create_dnode_num) | |
| time.sleep(1) |
| for i in range(len(tdSql.queryResult)): | ||
| if tdSql.queryResult[i][4] == "ready": | ||
| status += 1 |
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Instead of iterating through the query result and manually incrementing the status counter, you can use a more concise and efficient approach using a generator expression and the sum function. This improves readability and reduces the amount of code.
Consider using a generator expression with sum to count the number of 'ready' dnodes.
status = sum(1 for row in tdSql.queryResult if row[4] == "ready") # Count 'ready' dnodes
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