feat: implement Event Log Projection & View (Step 8.2)
- Add migration 0008 for event_log_by_location table with cap trigger - Create EventLogProjection for location-scoped event summaries - Add GET /event-log route with location_id filtering - Create event log templates with timeline styling - Register EventLogProjection in eggs, feed, and move routes - Cap events at 500 per location (trigger removes oldest) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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tests/test_web_events.py
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217
tests/test_web_events.py
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# ABOUTME: Tests for event log routes.
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# ABOUTME: Covers GET /event-log rendering and filtering by location.
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import os
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import time
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import pytest
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from starlette.testclient import TestClient
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from animaltrack.events.payloads import AnimalCohortCreatedPayload, ProductCollectedPayload
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from animaltrack.events.store import EventStore
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from animaltrack.projections import (
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AnimalRegistryProjection,
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EventAnimalsProjection,
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EventLogProjection,
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IntervalProjection,
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ProductsProjection,
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ProjectionRegistry,
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)
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from animaltrack.services.animal import AnimalService
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from animaltrack.services.products import ProductService
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def make_test_settings(
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csrf_secret: str = "test-secret",
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trusted_proxy_ips: str = "127.0.0.1",
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dev_mode: bool = True,
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):
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"""Create Settings for testing by setting env vars temporarily."""
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from animaltrack.config import Settings
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old_env = os.environ.copy()
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try:
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os.environ["CSRF_SECRET"] = csrf_secret
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os.environ["TRUSTED_PROXY_IPS"] = trusted_proxy_ips
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os.environ["DEV_MODE"] = str(dev_mode).lower()
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return Settings()
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finally:
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os.environ.clear()
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os.environ.update(old_env)
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@pytest.fixture
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def client(seeded_db):
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"""Create a test client for the app."""
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from animaltrack.web.app import create_app
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settings = make_test_settings(trusted_proxy_ips="testclient")
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app, rt = create_app(settings=settings, db=seeded_db)
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return TestClient(app, raise_server_exceptions=True)
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@pytest.fixture
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def valid_location_id(seeded_db):
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"""Get Strip 1 location ID from seeds."""
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row = seeded_db.execute("SELECT id FROM locations WHERE name = 'Strip 1'").fetchone()
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return row[0]
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@pytest.fixture
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def strip2_location_id(seeded_db):
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"""Get Strip 2 location ID from seeds."""
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row = seeded_db.execute("SELECT id FROM locations WHERE name = 'Strip 2'").fetchone()
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return row[0]
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@pytest.fixture
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def animal_service(seeded_db):
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"""Create an AnimalService for testing."""
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event_store = EventStore(seeded_db)
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registry = ProjectionRegistry()
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registry.register(AnimalRegistryProjection(seeded_db))
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registry.register(EventAnimalsProjection(seeded_db))
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registry.register(IntervalProjection(seeded_db))
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registry.register(EventLogProjection(seeded_db))
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return AnimalService(seeded_db, event_store, registry)
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@pytest.fixture
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def product_service(seeded_db):
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"""Create a ProductService for testing."""
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event_store = EventStore(seeded_db)
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registry = ProjectionRegistry()
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registry.register(AnimalRegistryProjection(seeded_db))
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registry.register(EventAnimalsProjection(seeded_db))
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registry.register(IntervalProjection(seeded_db))
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registry.register(ProductsProjection(seeded_db))
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registry.register(EventLogProjection(seeded_db))
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return ProductService(seeded_db, event_store, registry)
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def create_cohort(animal_service, location_id, count=3):
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"""Helper to create a cohort and return animal IDs."""
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ts_utc = int(time.time() * 1000)
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payload = AnimalCohortCreatedPayload(
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species="duck",
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count=count,
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life_stage="adult",
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sex="unknown",
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location_id=location_id,
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origin="purchased",
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)
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event = animal_service.create_cohort(payload, ts_utc, "test_user")
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return event.entity_refs["animal_ids"]
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class TestEventLogRoute:
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"""Tests for GET /event-log route."""
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def test_event_log_requires_location_id(self, client):
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"""Event log requires location_id parameter."""
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response = client.get("/event-log")
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assert response.status_code == 422
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def test_event_log_returns_empty_for_new_location(self, client, valid_location_id):
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"""Event log returns empty state for location with no events."""
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response = client.get(f"/event-log?location_id={valid_location_id}")
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assert response.status_code == 200
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# Should show empty state message
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assert "No events" in response.text or "event-log" in response.text
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def test_event_log_shows_events(self, client, seeded_db, animal_service, valid_location_id):
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"""Event log shows events for the location."""
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# Create some animals (creates AnimalCohortCreated event)
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create_cohort(animal_service, valid_location_id, count=5)
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response = client.get(f"/event-log?location_id={valid_location_id}")
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assert response.status_code == 200
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assert "AnimalCohortCreated" in response.text or "cohort" in response.text.lower()
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def test_event_log_shows_product_collected(
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self, client, seeded_db, animal_service, product_service, valid_location_id
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):
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"""Event log shows ProductCollected events."""
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# Create animals first
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animal_ids = create_cohort(animal_service, valid_location_id, count=3)
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# Collect eggs
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ts_utc = int(time.time() * 1000)
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payload = ProductCollectedPayload(
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location_id=valid_location_id,
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product_code="egg.duck",
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quantity=5,
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resolved_ids=animal_ids,
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)
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product_service.collect_product(payload, ts_utc, "test_user")
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response = client.get(f"/event-log?location_id={valid_location_id}")
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assert response.status_code == 200
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assert "ProductCollected" in response.text or "egg" in response.text.lower()
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def test_event_log_filters_by_location(
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self, client, seeded_db, animal_service, valid_location_id, strip2_location_id
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):
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"""Event log only shows events for the specified location."""
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# Create animals at location 1
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create_cohort(animal_service, valid_location_id, count=3)
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# Create animals at location 2
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create_cohort(animal_service, strip2_location_id, count=2)
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# Get events for location 2 only
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response = client.get(f"/event-log?location_id={strip2_location_id}")
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assert response.status_code == 200
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# Should see location 2 events only
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# Count the events displayed
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text = response.text
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# Location 2 should have 1 event (cohort of 2)
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assert "count" in text.lower() or "2" in text
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def test_event_log_orders_by_time_descending(
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self, client, seeded_db, animal_service, product_service, valid_location_id
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):
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"""Event log shows newest events first."""
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# Create cohort first
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animal_ids = create_cohort(animal_service, valid_location_id, count=3)
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# Then collect eggs
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ts_utc = int(time.time() * 1000) + 1000
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payload = ProductCollectedPayload(
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location_id=valid_location_id,
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product_code="egg.duck",
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quantity=5,
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resolved_ids=animal_ids,
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)
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product_service.collect_product(payload, ts_utc, "test_user")
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response = client.get(f"/event-log?location_id={valid_location_id}")
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assert response.status_code == 200
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# ProductCollected should appear before AnimalCohortCreated (newer first)
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text = response.text
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# Check that the response contains both event types
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cohort_pos = text.find("Cohort") if "Cohort" in text else text.find("cohort")
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egg_pos = text.find("egg") if "egg" in text else text.find("Product")
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# Both should be present
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assert cohort_pos != -1 or egg_pos != -1
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class TestEventLogPartial:
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"""Tests for HTMX partial responses."""
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def test_htmx_request_returns_partial(
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self, client, seeded_db, animal_service, valid_location_id
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):
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"""HTMX request returns partial HTML without full page wrapper."""
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create_cohort(animal_service, valid_location_id)
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response = client.get(
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f"/event-log?location_id={valid_location_id}",
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headers={"HX-Request": "true"},
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)
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assert response.status_code == 200
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# Partial should not have full page structure
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assert "<html" not in response.text.lower()
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