test : add unit tests for _system_exposure_factor in risk_scoring

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  • #2265 来自 @tmdeveloper007 —— 已关闭,未合并

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技术栈
python
领域
testing

调研方向

Read backend/secuscan/risk_scoring.py to inspect _system_exposure_factor and its exposure mapping, then follow nearby unit test conventions. Add testing/backend/unit/test_risk_scoring_exposure_factor.py for known contexts, defaults, and case insensitivity; run that test file and confirm all mapping and fallback cases pass. A linked pull request is already closed, so check its changes before starting.

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描述

Summary of What Needs to be Done:
Write unit tests for _system_exposure_factor in backend/secuscan/risk_scoring.py. This private function maps exposure context strings to multiplier floats used in contextual risk scoring. It is currently only exercised indirectly through compute_risk_score but has no dedicated tests for its mapping behavior.

Changes that Need to be Made:
Create a new file: testing/backend/unit/test_risk_scoring_exposure_factor.py

Import _system_exposure_factor from backend.secuscan.risk_scoring and test:

  • Known exposure contexts return correct multipliers
  • None input returns 1.0 (default)
  • Unknown context returns 1.0 (default)
  • Empty string returns 1.0 (default)
  • Case insensitivity of input

Impact that it would Provide:
Direct tests catch regressions if EXPOSURE_CONTEXT_MAP is modified. Tests the default-on-default behavior (unknown/None = 1.0 multiplier) which is important for safe fallback behavior.

Note: This task is being handled by tmdeveloper007 — please assign to that account when picking it up.

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  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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