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## Description Extracts memory-injection mode resolution from `helpers.py` into `headroom.proxy.memory_injection_mode_policy`. The proxy still reads `HEADROOM_MEMORY_INJECTION_MODE` at request time, while the allowed values/default/error contract is now pure and directly tested. Closes # ## Type of Change - [ ] Bug fix (non-breaking change that fixes an issue) - [ ] New feature (non-breaking change that adds functionality) - [ ] Breaking change (fix or feature that would cause existing functionality to change) - [ ] Documentation update - [ ] Performance improvement - [x] Code refactoring (no functional changes) ## Changes Made - Added `memory_injection_mode_policy.py` with the allowed mode type, env name/default, and resolver. - Kept `helpers.get_memory_injection_mode` as the request-time env reader and compatibility entry point. - Added direct policy tests for defaults, accepted values, normalization, and invalid mode rejection. ## Testing - [x] Unit tests pass (`pytest`) - [x] Linting passes (`ruff check .`) - [x] Type checking passes (`mypy headroom`) - [x] New tests added for new functionality - [ ] Manual testing performed ### Test Output ```text python -m pytest tests\test_memory_injection_mode_policy.py tests\test_proxy_system_prompt_immutable.py 10 passed in 14.60s python -m ruff check . All checks passed! python -m ruff format --check . 1069 files already formatted python -m mypy headroom --ignore-missing-imports Success: no issues found in 410 source files gitleaks protect --staged --no-banner --redact no leaks found ``` ## Real Behavior Proof - Environment: Windows, Python 3.13.13, branch `jd/architecture-slice-33`. - Exact command / steps: ran new memory injection mode policy tests, existing system-prompt immutability tests, ruff, ruff format check, mypy, and staged gitleaks scan. - Observed result: memory injection mode behavior remains covered and local lint/type/security checks pass. - Not tested: live proxy request; existing helper entry point remains intact. ## Review Readiness - [x] I have performed a self-review - [x] This PR is ready for human review ## Checklist - [x] My code follows the project's style guidelines - [x] I have performed a self-review of my code - [x] I have commented my code, particularly in hard-to-understand areas - [ ] I have made corresponding changes to the documentation - [x] My changes generate no new warnings - [x] I have added tests that prove my fix is effective or that my feature works - [x] New and existing unit tests pass locally with my changes - [ ] I have updated the CHANGELOG.md if applicable ## Screenshots (if applicable) N/A ## Additional Notes Documentation and changelog updates are N/A for this internal architecture-only refactor. The push reported existing default-branch Dependabot alerts; no staged secret leaks were found for this PR. --------- Co-authored-by: Tejas Chopra <chopratejas@gmail.com>
24 lines
945 B
Python
24 lines
945 B
Python
from __future__ import annotations
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import pytest
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from headroom.proxy.memory_injection_mode_policy import (
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MEMORY_INJECTION_MODE_DEFAULT,
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resolve_memory_injection_mode,
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)
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def test_resolve_memory_injection_mode_defaults_for_missing_value() -> None:
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assert resolve_memory_injection_mode(None) == MEMORY_INJECTION_MODE_DEFAULT
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assert resolve_memory_injection_mode("") == MEMORY_INJECTION_MODE_DEFAULT
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assert resolve_memory_injection_mode(" ") == MEMORY_INJECTION_MODE_DEFAULT
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def test_resolve_memory_injection_mode_accepts_known_values_case_insensitively() -> None:
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assert resolve_memory_injection_mode("live_zone_tail") == "live_zone_tail"
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assert resolve_memory_injection_mode(" DISABLED ") == "disabled"
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def test_resolve_memory_injection_mode_rejects_unknown_values() -> None:
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with pytest.raises(ValueError, match="HEADROOM_MEMORY_INJECTION_MODE"):
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resolve_memory_injection_mode("system_prompt")
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