Files
planeMapper/tests/test_renderer.py
Matt Edholm 25076dc1f3 feat(2-6): stateful Renderer, DisplayInterface, and pipeline smoke test
Implements story 2-6: Renderer class with per-aircraft trail history
(deque capped at TRAIL_MAX_DOTS=5), NullDisplay with DEBUG logging,
WaveshareDisplay stub, and end-to-end pipeline smoke test. All 96
tests pass; ruff check and format clean.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-22 23:33:36 -04:00

62 lines
1.7 KiB
Python

from __future__ import annotations
import pathlib
import pytest
from PIL import Image
from planemapper.models import Aircraft
from planemapper.renderer.projection import MapBounds
from planemapper.renderer.renderer import Renderer
FIXTURE_DIR = pathlib.Path(__file__).parent / "fixtures"
@pytest.fixture
def white_base_map() -> Image.Image:
return Image.new("RGB", (800, 480), color=(255, 255, 255))
@pytest.fixture
def bounds() -> MapBounds:
return MapBounds(home_lat=53.0, home_lon=-6.0, radius_nm=100.0)
@pytest.fixture
def renderer(
white_base_map: Image.Image, bounds: MapBounds, monkeypatch: pytest.MonkeyPatch
) -> Renderer:
monkeypatch.setattr(
"planemapper.renderer.airspace.AIRSPACE_PATH",
FIXTURE_DIR / "airspace_sample.geojson",
)
return Renderer(white_base_map, bounds)
def _aircraft(icao: str = "ABC123", **kwargs) -> Aircraft:
defaults = {"lat": 53.1, "lon": -6.1}
defaults.update(kwargs)
return Aircraft(icao=icao, **defaults)
def test_render_returns_800x480(renderer: Renderer) -> None:
result = renderer.render([])
assert isinstance(result, Image.Image)
assert result.size == (800, 480)
def test_trail_accumulated_across_renders(renderer: Renderer) -> None:
ac = _aircraft(icao="ABC123")
renderer.render([ac])
renderer.render([ac])
assert "ABC123" in renderer._trails
assert len(renderer._trails["ABC123"]) == 2
def test_absent_aircraft_trail_retained(renderer: Renderer) -> None:
ac = _aircraft(icao="ABC123")
renderer.render([ac])
renderer.render([]) # aircraft absent
assert "ABC123" in renderer._trails
assert len(renderer._trails["ABC123"]) == 1