freemo
5a3678cd6c
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The record_usage method performed an unprotected read-modify-write on _daily_costs, a classic TOCTOU race condition. In multi-threaded execution (ThreadPoolExecutor for parallel plan steps), two threads could interleave their .get() read and = write, causing one thread's cost increment to be silently overwritten by the other. Changes: - Add _daily_costs_lock: threading.Lock to CostTracker.__init__ - Wrap the read-modify-write in record_usage with self._daily_costs_lock - Protect reads in check_daily_budget and get_daily_spend with the same lock - Add Behave @concurrency scenario: 20 threads concurrently call record_usage; final daily spend must equal the sum of all individual costs - Add Robot Framework integration smoke test via helper_cost_controls.py cost-tracker-concurrent command All accesses to _daily_costs are now lock-protected. nox -e typecheck passes with zero errors. Existing cost_controls tests continue to pass. ISSUES CLOSED: #1919
81 lines
3.4 KiB
Plaintext
81 lines
3.4 KiB
Plaintext
*** Settings ***
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Resource ${CURDIR}/common.resource
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Library OperatingSystem
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Library Process
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*** Variables ***
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${PYTHON} python
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${SRC_DIR} ${CURDIR}/..
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*** Test Cases ***
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Cost Entry Creation And Estimation
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[Documentation] Verify CostEntry creation and cost estimation
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[Tags] cost_controls provider model
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${result}= Run Process ${PYTHON} robot/helper_cost_controls.py cost-entry
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... cwd=${SRC_DIR}
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Log Process Failure ${result}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} cost-entry-ok
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Provider Cost Table Lookup
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[Documentation] Verify ProviderCostTable model lookup
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[Tags] cost_controls provider model
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${result}= Run Process ${PYTHON} robot/helper_cost_controls.py cost-table
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... cwd=${SRC_DIR}
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Log Process Failure ${result}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} cost-table-ok
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Cost Tracker Budget Enforcement
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[Documentation] Verify CostTracker budget enforcement
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[Tags] cost_controls provider budget
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${result}= Run Process ${PYTHON} robot/helper_cost_controls.py cost-tracker
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... cwd=${SRC_DIR}
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Log Process Failure ${result}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} cost-tracker-budget-ok
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Fallback Selector No Providers
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[Documentation] Verify FallbackSelector with no configured providers
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[Tags] cost_controls provider fallback
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${result}= Run Process ${PYTHON} robot/helper_cost_controls.py fallback-selector
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... cwd=${SRC_DIR}
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Log Process Failure ${result}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} fallback-selector-ok
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Settings Cost Control Defaults
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[Documentation] Verify Settings cost control config defaults
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[Tags] cost_controls config settings
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${result}= Run Process ${PYTHON} robot/helper_cost_controls.py settings-defaults
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... cwd=${SRC_DIR}
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Log Process Failure ${result}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} settings-defaults-ok
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Cost Metadata Display Dict
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[Documentation] Verify CostMetadata display dictionary
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[Tags] cost_controls provider model
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${result}= Run Process ${PYTHON} robot/helper_cost_controls.py cost-metadata
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... cwd=${SRC_DIR}
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Log Process Failure ${result}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} cost-metadata-display-ok
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Cost Tracker Concurrent Record Usage Is Thread Safe
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[Documentation] Verify CostTracker.record_usage is thread-safe: concurrent calls must not lose cost increments
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[Tags] cost_controls provider concurrency
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${result}= Run Process ${PYTHON} robot/helper_cost_controls.py cost-tracker-concurrent
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... cwd=${SRC_DIR}
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Log Process Failure ${result}
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Should Be Equal As Integers ${result.rc} 0
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Should Contain ${result.stdout} cost-tracker-concurrent-ok
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*** Keywords ***
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Log Process Failure
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[Arguments] ${result}
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Run Keyword If ${result.rc} == 0 Return From Keyword
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Log To Console Process failed with rc=${result.rc}
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Log To Console STDOUT:${\n}${result.stdout}
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Log To Console STDERR:${\n}${result.stderr}
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