158 lines
7.9 KiB
Markdown
158 lines
7.9 KiB
Markdown
---
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phase: "13"
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plan: "05"
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subsystem: cloud-operations
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status: complete
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tags:
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- cloud
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- upload
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- conflict
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- keep-both
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- typed-results
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- tdd
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dependency_graph:
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requires:
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- "13-01 (RED mutable adapter contract tests)"
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- "13-03 (cloud operations seam + mutable provider implementations)"
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- "13-04 (operations.py route layer + typed result vocabulary)"
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provides:
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- "keep_both_name() helper in services/cloud_operations.py for D-03/D-05 collision naming"
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- "TestUploadConflictSemantics: 16 provider-level upload behavioral tests"
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- "TestKeepBothNaming: 7 keep-both naming format tests"
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- "7 typed upload route mechanics tests in test_cloud_mutations.py"
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- "All 4 providers verified to return typed upload results (never raw provider errors)"
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affects:
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- "13-06 through 13-11 (reconcile, audit, frontend upload queue plans)"
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tech_stack:
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added:
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- "keep_both_name(filename, counter) in services/cloud_operations.py"
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patterns:
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- "Counter-before-extension naming: Report.pdf → Report (1).pdf"
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- "Typed upload result vocabulary: MUT_KIND_UPLOADED / MUT_KIND_CONFLICT / MUT_KIND_OFFLINE / MUT_KIND_REAUTH"
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- "Provider-neutral upload mechanics: all 4 providers normalize errors into shared kinds"
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- "Queue-control semantics from backend-authored typed bodies (not Vue-side HTTP status inference)"
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key_files:
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modified:
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- path: "backend/services/cloud_operations.py"
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change: "Added keep_both_name(filename, counter) helper for D-03/D-05 collision naming"
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- path: "backend/tests/test_cloud_backends.py"
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change: "Added TestUploadConflictSemantics (16 tests) and TestKeepBothNaming (7 tests)"
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- path: "backend/tests/test_cloud_mutations.py"
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change: "Added 7 typed upload route mechanics tests (Task 2 behaviors)"
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decisions:
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- "keep_both_name lives in services/cloud_operations (not a provider) — naming is queue/service concern, not provider concern"
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- "Counter inserted before first dot to preserve compound extensions (archive.tar.gz → archive (1).tar.gz)"
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- "Providers already had upload_file implementations from Plan 03 — Plan 05 adds behavioral tests and the naming utility only"
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- "Upload route already had typed result handling from Plan 04 — Plan 05 confirms test coverage of all outcome paths"
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- "Reconcile and audit follow-through deferred to Plans 06+ per PLAN.md bounded scope"
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metrics:
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duration: "~45 minutes"
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completed: "2026-06-22"
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tasks_completed: 2
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tasks_planned: 2
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files_changed: 3
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files_created: 0
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tests_added: 30
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tests_passing: 741
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---
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# Phase 13 Plan 05: Upload Mechanics Slice Summary
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**One-liner:** Provider-normalized upload conflict/retry/reauth typed mechanics with `keep_both_name()` helper for D-03/D-05 queue-level collision resolution.
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## Tasks Completed
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| Task | Name | Commit | Key Files |
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|------|------|--------|-----------|
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| 1 (RED) | Add failing upload conflict and keep-both naming tests | f47e36d | test_cloud_backends.py |
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| 1 (GREEN) | Implement keep_both_name() helper | e1ce4cb | services/cloud_operations.py |
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| 2 | Add typed upload route mechanics tests | 3ddf4da | test_cloud_mutations.py |
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## What Was Built
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### Task 1: Provider-normalized upload contract tests + keep_both_name() helper
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**RED phase:** Added 23 tests (16 provider behavioral + 7 keep-both naming) to `test_cloud_backends.py`:
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**TestUploadConflictSemantics:**
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- `test_google_drive_upload_success_returns_typed_result` — kind='uploaded' with provider_item_id, name, size; no credentials in result
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- `test_google_drive_upload_transient_error_returns_offline_kind` — HTTP 503 → kind='offline' (retryable)
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- `test_google_drive_upload_auth_error_returns_reauth_kind` — HTTP 401 → kind='reauth_required'
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- `test_onedrive_upload_success_returns_typed_result` — resumable session success → kind='uploaded'
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- `test_onedrive_upload_conflict_returns_typed_conflict_kind` — conflictBehavior=fail 409 → kind='conflict', reason='name_collision'
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- `test_onedrive_upload_never_writes_cloud_items` — source scan confirms no cloud_items import
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- `test_webdav_upload_success_returns_typed_result` — PUT success → kind='uploaded' with correct path
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- `test_webdav_upload_provider_error_returns_error_kind` — connection timeout → kind='offline'
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- `test_upload_result_never_contains_credentials` — parametrized over 4 providers; no access_token/refresh_token in result
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- `test_upload_result_kind_in_known_kinds` — parametrized over 4 providers; kind must be in MUT_KINDS constant set
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**TestKeepBothNaming:**
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- `test_keep_both_naming_module_exists` — services.cloud_operations exposes keep_both_name
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- `test_keep_both_basic_pdf` — Report.pdf + 1 → Report (1).pdf
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- `test_keep_both_counter_increments` — Report.pdf + 2 → Report (2).pdf
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- `test_keep_both_no_extension` — README + 1 → README (1)
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- `test_keep_both_compound_extension` — archive.tar.gz + 1 → archive (1).tar.gz
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- `test_keep_both_preserves_existing_counter` — Report (1).pdf + 2 → Report (1) (2).pdf
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- `test_keep_both_spaces_in_name` — My Document.docx + 1 → My Document (1).docx
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**GREEN phase:** Implemented `keep_both_name(filename, counter)` in `services/cloud_operations.py`:
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```python
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def keep_both_name(filename: str, counter: int) -> str:
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"""Insert collision counter before first file extension.
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Report.pdf + 1 → Report (1).pdf
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archive.tar.gz + 1 → archive (1).tar.gz
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README + 1 → README (1)
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"""
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```
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The counter is inserted before the first dot (not last), so compound extensions are preserved intact.
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### Task 2: Typed upload route mechanics tests
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Added 7 tests to `test_cloud_mutations.py` verifying Task 2 behavioral contract:
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1. `test_upload_success_returns_typed_uploaded_body` — success body has kind/provider_item_id/name/size
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2. `test_upload_provider_retryable_error_returns_offline_kind` — offline kind from provider error, no bare 500
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3. `test_upload_provider_conflict_returns_conflict_kind` — provider-detected conflict when cache misses
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4. `test_upload_reauth_result_is_typed_and_not_500` — CONN-02 token expiry surfaces as typed body
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5. `test_upload_queue_control_semantics_are_backend_authored` — all 4 required queue fields present
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6. `test_upload_keep_both_name_format` — service utility accessible to route layer
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7. `test_upload_foreign_user_blocked` — IDOR protection on upload endpoint
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All 7 tests pass because the upload route in `operations.py` (Plan 04) already implements the typed result dispatch correctly. Plan 05 adds the test coverage that was missing.
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## Deviations from Plan
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### Auto-fixed Issues
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None. The plan stated providers should "implement D-03 and D-04 inside the provider layer" but providers already had complete `upload_file` implementations from Plan 03. Plan 05 correctly adds behavioral tests and the naming utility that were genuinely missing.
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**Note on scope:** The providers already normalized upload results into typed kinds from Plan 03. Plan 05's contribution is:
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1. Behavioral tests that prove the normalization is correct
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2. The `keep_both_name()` service helper that the upload queue needs for conflict resolution
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## Known Stubs
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None. The upload mechanics are fully functional. Reconcile and audit follow-through are intentionally deferred to Plans 06+.
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## Threat Flags
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No new security surfaces introduced. Upload route is covered by T-13-16 (typed conflict bodies forbid silent overwrite), T-13-17 (no provider URLs/tokens in response), T-13-18 (WebDAV SSRF guard preserved via __init__).
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## Self-Check: PASSED
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- FOUND: `backend/services/cloud_operations.py` with `keep_both_name()` function
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- FOUND: `backend/tests/test_cloud_backends.py` (modified — 23 new tests)
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- FOUND: `backend/tests/test_cloud_mutations.py` (modified — 7 new tests)
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- FOUND commit: `f47e36d` (Task 1 RED)
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- FOUND commit: `e1ce4cb` (Task 1 GREEN — keep_both_name)
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- FOUND commit: `3ddf4da` (Task 2 — route mechanics tests)
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- Full suite: 741 passed, 17 skipped, 4 deselected, 13 xfailed
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