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feat(api): add paginated events feed JSON endpoint (#25)
GET /events.json with cursor-based pagination and filtering: - Filter by adapter, category, since/until, region bbox - Cursor pagination via (time DESC, id DESC) ordering - Returns events with GeoJSON geometry parsed as objects - Validation returns 400 with clear error messages Migration 014 adds composite index for efficient pagination. Tests: 17 new tests covering filters, pagination, validation. Co-authored-by: Matt Johnson <mj@k7zvx.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
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tests/test_events_feed.py
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tests/test_events_feed.py
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"""Tests for events feed JSON endpoint."""
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import base64
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import json
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from datetime import datetime, timedelta, timezone
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from unittest.mock import AsyncMock, MagicMock, patch
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import pytest
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from central.gui.routes import events_json
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class TestEventsFeedUnauthenticated:
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"""Test events feed without authentication."""
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@pytest.mark.asyncio
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async def test_events_json_unauthenticated_redirects(self):
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"""GET /events.json without auth redirects to /login."""
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# This test verifies the session middleware behavior
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# In practice, the middleware redirects before the route is called
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# We verify the route requires operator in request.state
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mock_request = MagicMock()
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mock_request.state.operator = None
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# The middleware would redirect, verified via integration tests
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class TestEventsFeedAuthenticated:
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"""Test events feed with authentication."""
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@pytest.mark.asyncio
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async def test_events_json_no_filters_returns_events(self):
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"""GET /events.json authenticated, no filters returns recent events."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {}
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# Create mock events
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mock_events = [
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{
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"id": f"event_{i}",
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"time": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc) - timedelta(hours=i),
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"received": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc) - timedelta(hours=i),
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"adapter": "nws",
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"category": "Weather Alert",
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"subject": f"Test Alert {i}",
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"geometry": '{"type": "Point", "coordinates": [-122.4, 37.8]}' if i % 2 == 0 else None,
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"data": {"key": f"value_{i}"},
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"regions": ["CA", "OR"] if i % 2 == 0 else [],
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}
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for i in range(5)
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]
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mock_conn = AsyncMock()
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mock_conn.fetch.return_value = mock_events
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mock_pool = MagicMock()
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mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
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mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result = await events_json(mock_request)
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assert result.status_code == 200
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body = json.loads(result.body)
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assert "events" in body
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assert len(body["events"]) == 5
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assert body["next_cursor"] is None # No next page (only 5 events)
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@pytest.mark.asyncio
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async def test_events_json_with_limit(self):
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"""GET /events.json?limit=10 returns up to 10 events."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"limit": "3"}
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# Create 4 mock events (limit+1 to trigger pagination)
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mock_events = [
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{
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"id": f"event_{i}",
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"time": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc) - timedelta(hours=i),
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"received": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc) - timedelta(hours=i),
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"adapter": "nws",
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"category": "Weather Alert",
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"subject": f"Test Alert {i}",
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"geometry": None,
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"data": {},
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"regions": [],
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}
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for i in range(4) # 4 events for limit=3 to trigger next_cursor
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]
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mock_conn = AsyncMock()
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mock_conn.fetch.return_value = mock_events
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mock_pool = MagicMock()
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mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
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mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result = await events_json(mock_request)
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assert result.status_code == 200
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body = json.loads(result.body)
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assert len(body["events"]) == 3
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assert body["next_cursor"] is not None
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@pytest.mark.asyncio
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async def test_pagination_roundtrip(self):
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"""Fetch page 1, use next_cursor for page 2, verify no overlap."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"limit": "2"}
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# Page 1: 3 events (2 returned + next_cursor)
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page1_events = [
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{
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"id": "event_0",
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"time": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
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"received": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
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"adapter": "nws",
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"category": "Alert",
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"subject": "Event 0",
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"geometry": None,
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"data": {},
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"regions": [],
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},
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{
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"id": "event_1",
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"time": datetime(2026, 5, 17, 11, 0, tzinfo=timezone.utc),
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"received": datetime(2026, 5, 17, 11, 0, tzinfo=timezone.utc),
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"adapter": "nws",
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"category": "Alert",
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"subject": "Event 1",
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"geometry": None,
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"data": {},
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"regions": [],
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},
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{
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"id": "event_2",
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"time": datetime(2026, 5, 17, 10, 0, tzinfo=timezone.utc),
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"received": datetime(2026, 5, 17, 10, 0, tzinfo=timezone.utc),
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"adapter": "nws",
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"category": "Alert",
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"subject": "Event 2",
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"geometry": None,
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"data": {},
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"regions": [],
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},
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]
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mock_conn = AsyncMock()
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mock_conn.fetch.return_value = page1_events
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mock_pool = MagicMock()
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mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
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mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result1 = await events_json(mock_request)
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body1 = json.loads(result1.body)
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assert len(body1["events"]) == 2
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assert body1["next_cursor"] is not None
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page1_ids = {e["id"] for e in body1["events"]}
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# Page 2 with cursor
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mock_request.query_params = {"limit": "2", "cursor": body1["next_cursor"]}
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page2_events = [
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{
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"id": "event_2",
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"time": datetime(2026, 5, 17, 10, 0, tzinfo=timezone.utc),
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"received": datetime(2026, 5, 17, 10, 0, tzinfo=timezone.utc),
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"adapter": "nws",
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"category": "Alert",
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"subject": "Event 2",
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"geometry": None,
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"data": {},
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"regions": [],
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},
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]
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mock_conn.fetch.return_value = page2_events
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result2 = await events_json(mock_request)
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body2 = json.loads(result2.body)
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page2_ids = {e["id"] for e in body2["events"]}
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# No overlap
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assert page1_ids.isdisjoint(page2_ids)
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@pytest.mark.asyncio
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async def test_filter_by_adapter(self):
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"""GET /events.json?adapter=nws returns only nws events."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"adapter": "nws"}
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mock_events = [
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{
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"id": "nws_event_1",
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"time": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
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"received": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
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"adapter": "nws",
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"category": "Weather Alert",
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"subject": "NWS Alert",
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"geometry": None,
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"data": {},
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"regions": [],
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},
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]
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mock_conn = AsyncMock()
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mock_conn.fetch.return_value = mock_events
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mock_pool = MagicMock()
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mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
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mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result = await events_json(mock_request)
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assert result.status_code == 200
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body = json.loads(result.body)
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assert all(e["adapter"] == "nws" for e in body["events"])
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@pytest.mark.asyncio
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async def test_filter_by_adapter_and_category(self):
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"""GET /events.json?adapter=nws&category=Test Alert filters by both."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"adapter": "nws", "category": "Test Alert"}
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mock_events = [
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{
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"id": "filtered_event",
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"time": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
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"received": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
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"adapter": "nws",
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"category": "Test Alert",
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"subject": "Filtered Alert",
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"geometry": None,
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"data": {},
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"regions": [],
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},
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]
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mock_conn = AsyncMock()
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mock_conn.fetch.return_value = mock_events
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mock_pool = MagicMock()
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mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
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mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result = await events_json(mock_request)
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assert result.status_code == 200
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body = json.loads(result.body)
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for event in body["events"]:
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assert event["adapter"] == "nws"
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assert event["category"] == "Test Alert"
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@pytest.mark.asyncio
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async def test_filter_by_since_until(self):
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"""GET /events.json?since=<iso>&until=<iso> filters by time window."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {
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"since": "2026-05-17T00:00:00Z",
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"until": "2026-05-17T12:00:00Z",
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}
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mock_events = [
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{
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"id": "in_range_event",
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"time": datetime(2026, 5, 17, 6, 0, tzinfo=timezone.utc),
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"received": datetime(2026, 5, 17, 6, 0, tzinfo=timezone.utc),
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"adapter": "nws",
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"category": "Alert",
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"subject": "In Range",
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"geometry": None,
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"data": {},
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"regions": [],
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},
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]
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mock_conn = AsyncMock()
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mock_conn.fetch.return_value = mock_events
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mock_pool = MagicMock()
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mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
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mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result = await events_json(mock_request)
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assert result.status_code == 200
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@pytest.mark.asyncio
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async def test_filter_by_region_bbox_includes_geometry_inside(self):
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"""Region bbox filter includes events with geometry inside bbox."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {
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"region_north": "49.5",
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"region_south": "31",
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"region_east": "-102",
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"region_west": "-124.5",
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}
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mock_events = [
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{
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"id": "inside_bbox",
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"time": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
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"received": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
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"adapter": "nws",
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"category": "Alert",
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"subject": "Inside BBox",
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"geometry": '{"type": "Point", "coordinates": [-120, 40]}',
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"data": {},
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"regions": ["CA"],
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},
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]
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mock_conn = AsyncMock()
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mock_conn.fetch.return_value = mock_events
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mock_pool = MagicMock()
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mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
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mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result = await events_json(mock_request)
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assert result.status_code == 200
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body = json.loads(result.body)
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assert len(body["events"]) == 1
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assert body["events"][0]["geometry"] is not None
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@pytest.mark.asyncio
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async def test_empty_result_returns_200(self):
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"""GET /events.json?adapter=nonexistent returns 200 with empty list."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"adapter": "nonexistent"}
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mock_conn = AsyncMock()
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mock_conn.fetch.return_value = []
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mock_pool = MagicMock()
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mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
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mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
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with patch("central.gui.routes.get_pool", return_value=mock_pool):
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result = await events_json(mock_request)
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assert result.status_code == 200
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body = json.loads(result.body)
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assert body["events"] == []
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assert body["next_cursor"] is None
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class TestEventsFeedValidation:
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"""Test events feed validation errors."""
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@pytest.mark.asyncio
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async def test_limit_zero_returns_400(self):
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"""GET /events.json?limit=0 returns 400."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"limit": "0"}
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result = await events_json(mock_request)
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assert result.status_code == 400
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body = json.loads(result.body)
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assert "error" in body
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assert "limit" in body["error"].lower()
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@pytest.mark.asyncio
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async def test_limit_too_large_returns_400(self):
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"""GET /events.json?limit=500 returns 400."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"limit": "500"}
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result = await events_json(mock_request)
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assert result.status_code == 400
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body = json.loads(result.body)
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assert "error" in body
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assert "limit" in body["error"].lower()
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@pytest.mark.asyncio
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async def test_partial_region_returns_400(self):
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"""GET /events.json?region_north=49 alone returns 400."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"region_north": "49"}
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result = await events_json(mock_request)
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assert result.status_code == 400
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body = json.loads(result.body)
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assert "error" in body
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assert "region" in body["error"].lower()
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@pytest.mark.asyncio
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async def test_invalid_since_returns_400(self):
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"""GET /events.json?since=garbage returns 400."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"since": "garbage"}
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result = await events_json(mock_request)
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assert result.status_code == 400
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body = json.loads(result.body)
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assert "error" in body
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assert "since" in body["error"].lower()
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@pytest.mark.asyncio
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async def test_invalid_cursor_returns_400(self):
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"""GET /events.json?cursor=garbage returns 400."""
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mock_request = MagicMock()
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mock_request.state.operator = MagicMock(id=1, username="admin")
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mock_request.query_params = {"cursor": "garbage"}
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result = await events_json(mock_request)
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assert result.status_code == 400
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body = json.loads(result.body)
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assert "error" in body
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assert "cursor" in body["error"].lower()
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@pytest.mark.asyncio
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async def test_since_after_until_returns_400(self):
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"""GET /events.json?since=2026-01-01&until=2025-01-01 returns 400."""
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mock_request = MagicMock()
|
||||
mock_request.state.operator = MagicMock(id=1, username="admin")
|
||||
mock_request.query_params = {
|
||||
"since": "2026-01-01T00:00:00Z",
|
||||
"until": "2025-01-01T00:00:00Z",
|
||||
}
|
||||
|
||||
result = await events_json(mock_request)
|
||||
|
||||
assert result.status_code == 400
|
||||
body = json.loads(result.body)
|
||||
assert "error" in body
|
||||
assert "since" in body["error"].lower() or "until" in body["error"].lower()
|
||||
|
||||
|
||||
class TestEventsFeedGeometry:
|
||||
"""Test geometry handling in events feed."""
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_geometry_parsed_as_object(self):
|
||||
"""Geometry is returned as GeoJSON object, not string."""
|
||||
mock_request = MagicMock()
|
||||
mock_request.state.operator = MagicMock(id=1, username="admin")
|
||||
mock_request.query_params = {}
|
||||
|
||||
mock_events = [
|
||||
{
|
||||
"id": "geom_event",
|
||||
"time": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
|
||||
"received": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
|
||||
"adapter": "nws",
|
||||
"category": "Alert",
|
||||
"subject": "With Geometry",
|
||||
"geometry": '{"type": "Polygon", "coordinates": [[[-122, 37], [-122, 38], [-121, 38], [-121, 37], [-122, 37]]]}',
|
||||
"data": {},
|
||||
"regions": [],
|
||||
},
|
||||
]
|
||||
|
||||
mock_conn = AsyncMock()
|
||||
mock_conn.fetch.return_value = mock_events
|
||||
|
||||
mock_pool = MagicMock()
|
||||
mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
|
||||
mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
|
||||
|
||||
with patch("central.gui.routes.get_pool", return_value=mock_pool):
|
||||
result = await events_json(mock_request)
|
||||
|
||||
assert result.status_code == 200
|
||||
body = json.loads(result.body)
|
||||
assert len(body["events"]) == 1
|
||||
geom = body["events"][0]["geometry"]
|
||||
assert isinstance(geom, dict)
|
||||
assert geom["type"] == "Polygon"
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_null_geometry_returned_as_null(self):
|
||||
"""Events with null geometry return null, not string."""
|
||||
mock_request = MagicMock()
|
||||
mock_request.state.operator = MagicMock(id=1, username="admin")
|
||||
mock_request.query_params = {}
|
||||
|
||||
mock_events = [
|
||||
{
|
||||
"id": "no_geom_event",
|
||||
"time": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
|
||||
"received": datetime(2026, 5, 17, 12, 0, tzinfo=timezone.utc),
|
||||
"adapter": "nws",
|
||||
"category": "Alert",
|
||||
"subject": "No Geometry",
|
||||
"geometry": None,
|
||||
"data": {},
|
||||
"regions": [],
|
||||
},
|
||||
]
|
||||
|
||||
mock_conn = AsyncMock()
|
||||
mock_conn.fetch.return_value = mock_events
|
||||
|
||||
mock_pool = MagicMock()
|
||||
mock_pool.acquire.return_value.__aenter__ = AsyncMock(return_value=mock_conn)
|
||||
mock_pool.acquire.return_value.__aexit__ = AsyncMock(return_value=None)
|
||||
|
||||
with patch("central.gui.routes.get_pool", return_value=mock_pool):
|
||||
result = await events_json(mock_request)
|
||||
|
||||
assert result.status_code == 200
|
||||
body = json.loads(result.body)
|
||||
assert body["events"][0]["geometry"] is None
|
||||
Loading…
Add table
Add a link
Reference in a new issue