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bootstrap/docs/tasks/MACP-PHASE2A-tests.md

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# MACP Phase 2A — Test Suite
**Branch:** `feat/macp-phase2a` (commit on top of existing)
**Repo worktree:** `~/src/mosaic-bootstrap-worktrees/macp-phase2a`
---
## Objective
Write a comprehensive test suite for the Phase 2A event bridge code using Python `unittest` (stdlib only). Tests must be runnable with `python3 -m pytest tests/` or `python3 -m unittest discover tests/`.
---
## Task 1: Test infrastructure (`tests/conftest.py` + `tests/run_tests.sh`)
Create `tests/` directory at repo root with:
- `conftest.py` — shared fixtures: temp directories, sample events, sample config
- `run_tests.sh` — simple runner: `python3 -m unittest discover -s tests -p 'test_*.py' -v`
- `__init__.py` — empty, makes tests a package
Sample events fixture should include one of each type: `task.assigned`, `task.started`, `task.completed`, `task.failed`, `task.escalated`, `task.gated`, `task.retry.scheduled`
---
## Task 2: Event watcher tests (`tests/test_event_watcher.py`)
Test the `EventWatcher` class from `tools/orchestrator-matrix/events/event_watcher.py`.
### Test cases:
1. `test_poll_empty_file` — No events file exists → returns empty list
2. `test_poll_new_events` — Write 3 events to ndjson, poll → returns all 3
3. `test_cursor_persistence` — Poll once (reads 3), poll again → returns 0 (cursor saved)
4. `test_cursor_survives_restart` — Poll, create new watcher instance, poll → no duplicates
5. `test_corrupt_line_skipped` — Insert a corrupt JSON line between valid events → valid events returned, corrupt skipped
6. `test_callback_filtering` — Register callback for `task.completed` only → only completed events trigger it
7. `test_callback_receives_events` — Register callback, poll → callback called with correct event dicts
8. `test_file_grows_between_polls` — Poll (gets 2), append 3 more, poll → gets 3
---
## Task 3: Webhook adapter tests (`tests/test_webhook_adapter.py`)
Test `send_webhook` and `create_webhook_callback` from `tools/orchestrator-matrix/events/webhook_adapter.py`.
### Test cases:
1. `test_send_webhook_success` — Mock HTTP response 200 → returns True
2. `test_send_webhook_failure` — Mock HTTP response 500 → returns False
3. `test_send_webhook_timeout` — Mock timeout → returns False, no crash
4. `test_send_webhook_retry` — Mock 500 then 200 → retries and succeeds
5. `test_event_filter` — Config with filter `["task.completed"]` → callback ignores `task.started`
6. `test_webhook_disabled` — Config with `enabled: false` → no HTTP call made
7. `test_ssrf_blocked` — URL with private IP (127.0.0.1, 10.x) → blocked, returns False
Use `unittest.mock.patch` to mock `urllib.request.urlopen`.
---
## Task 4: Discord formatter tests (`tests/test_discord_formatter.py`)
Test `format_event` and `format_summary` from `tools/orchestrator-matrix/events/discord_formatter.py`.
### Test cases:
1. `test_format_completed` — Completed event → contains "✅" and task ID
2. `test_format_failed` — Failed event → contains "❌" and error message
3. `test_format_escalated` — Escalated event → contains "🚨" and escalation reason
4. `test_format_gated` — Gated event → contains "🔍"
5. `test_format_started` — Started event → contains "⚙️" and runtime info
6. `test_format_unknown_type` — Unknown event type → returns None
7. `test_sanitize_control_chars` — Event with control characters in message → stripped in output
8. `test_sanitize_mentions` — Event with `@everyone` in message → neutralized in output
9. `test_format_summary` — List of mixed events → summary with counts
---
## Verification
After writing tests:
1. `cd ~/src/mosaic-bootstrap-worktrees/macp-phase2a && python3 -m unittest discover -s tests -p 'test_*.py' -v` — ALL tests must pass
2. Fix any failures before committing
Commit: `test: add comprehensive test suite for Phase 2A event bridge`