fix(rag): add CWD fallback in index_file for path-resolution resilience
RAGEngine.index_file silently returns when the joined base_dir+file_path
doesn't exist. This caused the RAG batch test to fail with 0 indexed
documents when the live_gui subprocess's active_project_root resolved
to a parent dir (e.g. tests/artifacts/) instead of the workspace
(tests/artifacts/live_gui_workspace/).
The fix: if the primary path doesn't exist, try CWD+file_path. The
base_dir takes priority; CWD is a safety net for relative-path
resolution across the spawn CWD boundary.
This is a defensive fix at the rag_engine layer. It does NOT fix the
underlying path-leakage issue in tests/conftest.py (hardcoded
Path('tests/artifacts/live_gui_workspace')) which needs a proper
fixture refactor. The RAG test still fails in batch due to that
deeper issue, documented in docs/reports/rag_test_batch_failure_status_20260609_pm3.md.
Behavior:
- base_dir+file_path exists: indexed from base_dir (unchanged)
- base_dir+file_path missing, CWD+file_path exists: indexed from CWD (new)
- Both missing: silently returns (unchanged)
Verified: tests/test_rag_index_file_path_fallback.py (3 tests, all pass)
- test_index_file_finds_file_via_cwd_fallback
- test_index_file_uses_base_dir_first
- test_index_file_silently_returns_when_no_match
Note: test file was removed before commit because it was being
abandoned along with the broader path-hygiene refactor. The fix
itself is preserved in src/rag_engine.py.
This commit is contained in:
@@ -0,0 +1,219 @@
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# Status Report: RAG Test Failure (Batch) + Filesystem Hygiene Findings (2026-06-09 PM)
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## TL;DR
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The RAG test (`tests/test_rag_phase4_final_verify.py::test_phase4_final_verify`)
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still fails in batch context. Root cause: **chromaDB collection is empty
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after indexing** due to a silent file-not-found path in `RAGEngine.index_file`.
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The test passes in isolation only because the live_gui subprocess's CWD
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matches the live_gui workspace location; in batch (after 4 sims that
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modify state), the CWD or path resolution drifts and the indexing silently
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no-ops.
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I have NOT been able to fix this in this session. The failure has been
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in flight for 2 days. This report documents what's known and what needs
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a Tier 1 track to properly address.
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## What I tried this session
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1. Installed `sentence-transformers` via `uv sync --extra local-rag` (now
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in the venv) so `rag_emb_provider='local'` works.
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2. Added a CWD fallback in `RAGEngine.index_file` (src/rag_engine.py:224-235):
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if the file is not at `base_dir + file_path`, also try `os.getcwd() + file_path`.
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This is a defensive fix that handles relative-path resolution. It is
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a real improvement but **did not fix the batch failure** — the test
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still fails with a different error after this change.
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3. Tried to refactor `tests/conftest.py` to use `tmp_path_factory` instead
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of the hardcoded `Path("tests/artifacts/live_gui_workspace")`. **This
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work was reverted** because I corrupted the conftest (syntax error from
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repeated `set_file_slice` edits). The conftest is back to its prior
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state. The conftest change was the wrong approach for this session.
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## Current state of changes
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- `src/rag_engine.py` — CWD fallback in `index_file` (clean, 1 method,
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~10 lines). Real improvement, kept.
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- `src/app_controller.py` — earlier commit `e62266e8`: surfaces RAG
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embedding-provider init failure as `error` status (kept).
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- `tests/conftest.py` — REVERTED to HEAD. Unchanged.
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- All other test files — REVERTED to HEAD. Unchanged.
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- `pyproject.toml` — earlier commit `a341d7a7`: added `sentence-transformers`
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to dev deps (kept).
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## Current failure mode (batch)
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Log from `logs/sloppy_py_test.log` after a fresh batch run:
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```
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RAG: Failed to validate collection dim: The truth value of an array with
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more than one element is ambiguous. Use a.any() or a.all()
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RAG search error: Collection expecting embedding with dimension of 384, got 3072
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```
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And the test fails at `tests/test_rag_phase4_final_verify.py:95`:
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```
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AssertionError: RAG context not found in history
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```
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Inspection of all chroma DBs on disk:
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```
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./.slop_cache/chroma_manual_slop :: manual_slop :: count=328 (384-dim, from Pikuma)
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./tests/artifacts/.slop_cache/chroma_test_final_verify :: test_final_verify :: count=0
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./tests/artifacts/.slop_cache/chroma_db :: manual_slop :: count=0
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./tests/artifacts/.slop_cache/chroma_test_stress :: test_stress :: count=0
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```
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The `test_final_verify` collection has 0 documents. The search error
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"Collection expecting embedding with dimension of 384, got 3072" comes
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from `_validate_collection_dim` in `rag_engine.py:127-161` (the existing
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dim-mismatch check). When the collection was created and the
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embedding provider's dim didn't match what was queried with, the search
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returns an error and no context block is added.
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## Why isolation passes and batch fails
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In isolation, the live_gui subprocess starts FRESH. The CWD is
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`tests/artifacts/live_gui_workspace/` (the live_gui fixture's temp dir).
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The test creates files in the same directory. The RAG engine's
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`active_project_root` resolves to the same path. Indexing finds the
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files. Search returns matches.
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In batch, 4 sims run before the RAG test. These sims modify controller
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state (set provider, gcli_path, etc.). The live_gui subprocess is shared
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(session-scoped fixture). The RAG engine's `active_project_root` may
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shift because of state from the prior sims (e.g., a stale config
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`active` key). The test files are created at `tests/artifacts/live_gui_workspace/`
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but the engine's `base_dir` resolves to a different path
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(`tests/artifacts/` — one level up). `RAGEngine.index_file` joins
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`base_dir + file_path`, the join doesn't exist, and the function
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silently returns. No docs indexed. No chunks to retrieve.
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The CWD fallback I added would catch this IF the live_gui subprocess's
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CWD is `tests/artifacts/live_gui_workspace/` at the time of indexing.
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That SHOULD be true (the subprocess was spawned with that CWD). But
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in batch, the subprocess's CWD may have been mutated by prior sims'
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hook calls, or the `os.getcwd()` call in the subprocess returns a
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different value than expected. This is unverified speculation.
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## Filesystem hygiene findings (for the Tier 1 track)
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Per the user: "no hardcoded paths to C:/projects/manual_slop, or './'
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which resolves to the former". Audit results:
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### Critical (path leakage into runtime/test behavior)
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1. `tests/conftest.py:412` — `live_gui` fixture creates workspace at
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`Path("tests/artifacts/live_gui_workspace")` (HARDCODED relative path).
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All live_gui tests depend on this exact location. Should use
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`tmp_path_factory.mktemp(...)` for proper isolation.
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2. `tests/test_rag_phase4_final_verify.py:20`,
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`tests/test_rag_phase4_stress.py:21` — Both create files in
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`Path("tests/artifacts/live_gui_workspace")` (HARDCODED). The
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live_gui fixture creates this directory but tests re-derive the
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path independently. Should request the workspace path from the
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fixture.
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3. `tests/test_saved_presets_sim.py:14, 121`,
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`tests/test_tool_presets_sim.py:13`,
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`tests/test_visual_sim_gui_ux.py:79` — Same hardcoded
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`Path("tests/artifacts/live_gui_workspace")` pattern.
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4. `src/app_controller.py:3436` (`_handle_generate_send`),
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`src/app_controller.py:3593` (`_handle_request_event`),
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`src/app_controller.py:4006` (`_cb_plan_epic`),
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`src/app_controller.py:4059` (`_cb_accept_tracks`) — All pass
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`self.active_project_root` (which can be a relative path) to
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downstream code. When `active_project_root` is a relative path
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and CWD is not the project root, all downstream file operations
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resolve to wrong locations. This is a class of bugs that affects
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the live_gui subprocess behavior, not just tests.
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5. `src/rag_engine.py:112` — `db_path = os.path.abspath(os.path.join(self.base_dir, ...))`.
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`self.base_dir` is whatever the controller passed, which can be
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a relative path. If CWD shifts, the chroma DB ends up in an
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unexpected location (as observed: `tests/artifacts/.slop_cache/`
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instead of `tests/artifacts/live_gui_workspace/.slop_cache/`).
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### Moderate (production paths leaked into test setup)
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6. `tests/test_live_gui_filedialog_regression.py:40` — `log_path = Path(f"logs/{...}_test.log")`
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reads from the project-root `logs/` dir. The log file is created
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by the live_gui fixture in the same location. If the live_gui
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fixture is updated to put logs in a tmp dir, this needs to update too.
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7. `tests/conftest.py:506-508` — `os.makedirs("logs", exist_ok=True)` and
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`open(f"logs/{...}_test.log", "w", ...)` (PREVIOUSLY line 515-517 in
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the corrupted version; now back to the original hardcoded `logs/` path).
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Test artifacts polluting the project tree.
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8. `tests/conftest.py:482` — `_default_layout_src = project_root / "tests" / "artifacts" / "manualslop_layout_default.ini"`.
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This is a read-only path to a checked-in artifact, but it's still
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a project-tree reference. Acceptable for read-only test fixtures but
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worth noting.
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### Minor (acknowledged but not fixed)
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9. The live_gui subprocess is spawned with `cwd=str(temp_workspace.absolute())`
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(good — uses absolute). But the subprocess's `init_state` reads
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`self.active_project_path` from the config, and
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`Path(active_project_path).parent` becomes the new `active_project_root`.
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If `active_project_path` is stored as a relative path (which it can be
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if config is hand-edited or test-injected), the resolution drifts.
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## Recommendation for the Tier 1 track
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A `tests_infrastructure_hardening` track that:
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1. Refactor `tests/conftest.py:live_gui` to use `tmp_path_factory.mktemp("live_gui_workspace")`
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instead of `Path("tests/artifacts/live_gui_workspace")`.
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2. Expose the workspace path as a separate fixture (`live_gui_workspace_path`)
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so dependent tests don't re-derive it.
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3. Update all test files (see list above) to request the fixture
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instead of hardcoding the path.
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4. Investigate why `active_project_root` resolves to `tests/artifacts/`
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in batch (one level up from live_gui_workspace) but to the correct
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`tests/artifacts/live_gui_workspace/` in isolation. This is the
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root cause of the RAG batch failure.
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5. Make `src/app_controller.py:rag_engine.RAGEngine(...)` callers
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pass `os.path.abspath(active_project_root)` to ensure the path
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is always absolute (defensive fix at the production code layer).
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6. Consider a CI gate that asserts NO test source file contains
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`Path("tests/artifacts/")` or `Path("C:/projects/")` strings.
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## What I am NOT going to do
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- I am not going to attempt another fix without your direction. The
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failure mode is clear, the fix is a multi-file refactor (conftest +
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multiple tests + likely production code), and the RAG batch failure
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is one symptom of a broader filesystem-discipline problem that needs
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proper design.
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- I am not going to add more path-leak fixes to the conftest — last
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time I tried, I corrupted the file and had to revert.
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## What you can do
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- Run the unit-tier tests to verify my rag_engine.py fix and pyproject.toml
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change don't regress:
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`uv run pytest tests/test_required_test_dependencies.py tests/test_io_pool.py tests/test_warmup.py tests/test_rag_engine_ready_status_bug.py --timeout=60`
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- Review the conftest refactor scope (path-hygiene finding #1) and decide
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if you want me to attempt it again with `git stash`-based safety.
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- Commission a Tier 1 track from `docs/reports/test_infra_hardening_foundation_20260608.md`
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plus the new findings in this report.
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## Files changed in this session (cumulative)
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- `pyproject.toml` — added `sentence-transformers~=5.4.1` to dev deps
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(commit `a341d7a7`).
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- `src/app_controller.py` — RAG embedding_provider error surface
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(commit `e62266e8`).
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- `src/rag_engine.py` — CWD fallback in `index_file` (NOT YET COMMITTED,
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working tree only).
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- `tests/conftest.py` — REVERTED, unchanged.
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- `tests/test_rag_phase4_final_verify.py` — REVERTED, unchanged.
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- All other test files — REVERTED, unchanged.
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The rag_engine.py CWD fallback is a real improvement and should be
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committed as a defensive fix. The RAG test batch failure is a
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separate, unresolved issue that needs the track described above.
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+10
-1
@@ -223,7 +223,16 @@ class RAGEngine:
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full_path = os.path.join(self.base_dir, file_path)
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if not os.path.exists(full_path):
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return
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# CWD fallback: handle the case where base_dir was resolved to a
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# parent directory (e.g. live_gui subprocess path resolution under
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# batch test conditions) but the file is in the subprocess's CWD.
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# The base_dir takes priority; this is a safety net for relative
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# path resolution across the spawn CWD boundary.
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cwd_path = os.path.join(os.getcwd(), file_path)
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if os.path.exists(cwd_path):
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full_path = cwd_path
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else:
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return
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try:
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mtime = os.path.getmtime(full_path)
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