126 lines
5.1 KiB
Python
126 lines
5.1 KiB
Python
"""Тесты локального OSRM-клиента (#39 A2) — /table annotations=distance.
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Сеть НЕ дёргается: подменяем httpx.Client на MockTransport. Покрывает:
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- корректный URL (sources=0, annotations=distance, координаты в path);
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- парсинг distances в МЕТРАХ + дроп self-index (row[0]);
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- None для недостижимого POI;
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- OsrmLocalUnavailableError на 500 / timeout / code!=Ok / битой форме;
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- пустой destinations → [].
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"""
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from __future__ import annotations
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import httpx
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import pytest
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from app.services.site_finder import osrm_client_local as osrm
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def _install_transport(monkeypatch: pytest.MonkeyPatch, handler) -> None:
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"""Подменить httpx.Client в модуле osrm_client_local на MockTransport(handler).
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Захватываем реальный httpx.Client ДО патча — иначе factory рекурсивно зовёт сама себя.
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"""
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real_client = httpx.Client
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def client_factory(*_args, **kwargs):
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kwargs.pop("transport", None)
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return real_client(transport=httpx.MockTransport(handler), **kwargs)
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monkeypatch.setattr(osrm.httpx, "Client", client_factory)
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def test_builds_correct_url_and_parses_meters(monkeypatch):
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"""URL: /table/v1/driving/{coords}?sources=0&annotations=distance; distances в метрах."""
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seen: dict = {}
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def handler(request: httpx.Request) -> httpx.Response:
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seen["path"] = request.url.path
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seen["params"] = dict(request.url.params)
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# distances[0] = origin→[origin, d1, d2] — метры; self = 0.
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return httpx.Response(200, json={"code": "Ok", "distances": [[0.0, 1234.5, 6789.0]]})
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_install_transport(monkeypatch, handler)
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out = osrm.get_road_distances_m(
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60.6, 56.8, [(60.61, 56.81), (60.62, 56.82)]
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)
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# Дорожные расстояния (метры), self-index сброшен.
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assert out == [1234.5, 6789.0]
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# URL: профиль driving, координаты origin первой (lon,lat) и POI.
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assert seen["path"] == "/table/v1/driving/60.6,56.8;60.61,56.81;60.62,56.82"
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# Параметры sources=0, annotations=distance.
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assert seen["params"]["sources"] == "0"
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assert seen["params"]["annotations"] == "distance"
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def test_unreachable_poi_returns_none(monkeypatch):
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"""OSRM вернул null (нет маршрута) → None в результате (caller оставит straight-line)."""
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def handler(_request):
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return httpx.Response(200, json={"code": "Ok", "distances": [[0.0, 500.0, None]]})
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_install_transport(monkeypatch, handler)
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out = osrm.get_road_distances_m(60.6, 56.8, [(60.61, 56.81), (60.62, 56.82)])
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assert out == [500.0, None]
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def test_empty_destinations_returns_empty():
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"""Пустой destinations → [] без HTTP-вызова."""
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assert osrm.get_road_distances_m(60.6, 56.8, []) == []
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def test_http_500_raises_unavailable(monkeypatch):
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"""HTTP 500 → OsrmLocalUnavailableError (не пробрасываем HTTPStatusError)."""
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def handler(_request):
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return httpx.Response(500, text="boom")
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_install_transport(monkeypatch, handler)
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with pytest.raises(osrm.OsrmLocalUnavailableError, match="HTTP 500"):
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osrm.get_road_distances_m(60.6, 56.8, [(60.61, 56.81)])
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def test_timeout_raises_unavailable(monkeypatch):
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"""Timeout/сетевой сбой → OsrmLocalUnavailableError."""
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def handler(_request):
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raise httpx.ConnectTimeout("timed out")
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_install_transport(monkeypatch, handler)
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with pytest.raises(osrm.OsrmLocalUnavailableError, match="request failed"):
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osrm.get_road_distances_m(60.6, 56.8, [(60.61, 56.81)])
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def test_code_not_ok_raises_unavailable(monkeypatch):
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"""code != Ok (например NoRoute) → OsrmLocalUnavailableError."""
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def handler(_request):
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return httpx.Response(200, json={"code": "NoRoute", "distances": None})
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_install_transport(monkeypatch, handler)
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with pytest.raises(osrm.OsrmLocalUnavailableError, match="code != Ok"):
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osrm.get_road_distances_m(60.6, 56.8, [(60.61, 56.81)])
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def test_bad_shape_raises_unavailable(monkeypatch):
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"""Ответ без distances → OsrmLocalUnavailableError."""
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def handler(_request):
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return httpx.Response(200, json={"code": "Ok", "unexpected": True})
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_install_transport(monkeypatch, handler)
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with pytest.raises(osrm.OsrmLocalUnavailableError):
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osrm.get_road_distances_m(60.6, 56.8, [(60.61, 56.81)])
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def test_length_mismatch_raises_unavailable(monkeypatch):
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"""Число расстояний != числу destinations → OsrmLocalUnavailableError (рассинхрон)."""
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def handler(_request):
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# 2 destinations, но distances содержит только self + 1.
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return httpx.Response(200, json={"code": "Ok", "distances": [[0.0, 500.0]]})
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_install_transport(monkeypatch, handler)
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with pytest.raises(osrm.OsrmLocalUnavailableError, match="!= destinations"):
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osrm.get_road_distances_m(60.6, 56.8, [(60.61, 56.81), (60.62, 56.82)])
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