Reset _closeables in _init for flow reuse [1.10.x]
#599
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* Reset _closeables in _init for flow reuse * Add unit tests for _closeables reset in _init for flow reuse Tests verify that _closeables is properly reset when flows are reused: - test_flow_reuse_resets_closeables: Base Flow class resets to [] - test_aggregate_by_key_reuse_resets_closeables: AggregateByKey sets [table] - test_map_with_state_reuse_resets_closeables: MapWithState sets [state] for Table - test_map_with_state_no_closeables_without_close_method: No closeables for dict state - test_nosql_target_reuse_resets_closeables: NoSqlTarget sets [table] * Fix unit tests to properly detect ML-11518 bug and add clarifying comments Updated tests to check source._closeables instead of downstream step's _closeables, as the bug manifests in upstream steps. Added comments clarifying which tests detect the ML-11518 regression (3 tests) vs baseline/edge case tests (2 tests). Verified: - 3 tests FAIL on commit 74fec1a (before fix) - correctly detecting bug - All 5 tests PASS on commit 321dfec (with fix) and current branch * Simplify ML-11518 regression tests based on code review - Replace dynamic closeables tracking with direct assertions - Add try/finally blocks to prevent test hangs on failure - Remove PR-specific docstring notes that don't apply post-merge - Move AggregateByKey test to test_aggregate_by_key.py --------- Co-authored-by: Alex Toker <[email protected]>
gtopper
approved these changes
Dec 21, 2025
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Backport of #597