feat(backend): ajoute GET /recommendations et GET /recommendations/{recommendation_id}

apps/backend/tests/services/test_recommendation.py

@@ -0,0 +1,55 @@
+from datetime import UTC, datetime
+
+import pytest
+
+from app.models.energy import Recommendation
+from app.services.recommendation import RecommendationNotFoundError, RecommendationService
+
+
+def recommendation(recommendation_id: int = 1) -> Recommendation:
+    return Recommendation(
+        recommendation_id=recommendation_id,
+        alert_id=1,
+        action="Vérifier la consommation",
+        explanation="Pic détecté",
+        rule_reference="spike-v1",
+        created_at=datetime(2024, 1, 1, tzinfo=UTC),
+    )
+
+
+class FakeRepository:
+    def __init__(self, recommendations: list[Recommendation]) -> None:
+        self._recommendations = recommendations
+
+    async def list_all(self) -> list[Recommendation]:
+        return self._recommendations
+
+    async def get_by_id(self, recommendation_id: int) -> Recommendation | None:
+        return next(
+            (r for r in self._recommendations if r.recommendation_id == recommendation_id), None
+        )
+
+
+async def test_list_all_returns_the_repository_recommendations() -> None:
+    service = RecommendationService(
+        recommendations=FakeRepository([recommendation(1), recommendation(2)])
+    )
+
+    recommendations = await service.list_all()
+
+    assert [r.recommendation_id for r in recommendations] == [1, 2]
+
+
+async def test_get_by_id_returns_the_matching_recommendation() -> None:
+    service = RecommendationService(recommendations=FakeRepository([recommendation(1)]))
+
+    trouve = await service.get_by_id(1)
+
+    assert trouve.recommendation_id == 1
+
+
+async def test_get_by_id_raises_when_the_recommendation_is_unknown() -> None:
+    service = RecommendationService(recommendations=FakeRepository([]))
+
+    with pytest.raises(RecommendationNotFoundError):
+        await service.get_by_id(404)