feat: POST /api/admin/recipes/resolve-ingredient with rapidfuzz top-3

backend/tests/test_resolve_ingredient.py

@@ -0,0 +1,47 @@
+import pytest
+
+pytestmark = pytest.mark.requires_postgres
+
+
+def _admin() -> dict:
+    return {"Authorization": "Bearer test-admin-token"}
+
+
+def _seed_ingredient(client, name: str, aliases: list[str]) -> str:
+    r = client.post(
+        "/api/admin/ingredients",
+        json={"name": name, "aliases": aliases, "aisle": "pantry", "unit": "ea"},
+        headers=_admin(),
+    )
+    return r.json()["id"]
+
+
+def test_resolve_ingredient_returns_top_three_candidates(client):
+    chicken_id = _seed_ingredient(client, "Test Resolve Chicken Thighs", ["chicken thigh resolve"])
+    breast_id = _seed_ingredient(client, "Test Resolve Chicken Breast", ["chicken breasts resolve"])
+    pork_id = _seed_ingredient(client, "Test Resolve Pork Chop", ["pork chops resolve"])
+
+    r = client.post(
+        "/api/admin/recipes/resolve-ingredient",
+        json={"text": "1 lb chicken thigh resolve"},
+        headers=_admin(),
+    )
+    assert r.status_code == 200, r.text
+    data = r.json()
+    assert data["parsed_qty"] == 1.0
+    assert data["parsed_unit"] == "lb"
+    candidate_ids = [c["ingredient_id"] for c in data["candidates"]]
+    assert chicken_id in candidate_ids
+    assert candidate_ids[0] == chicken_id  # highest score should be exact match
+
+
+def test_resolve_ingredient_handles_no_unit(client):
+    _seed_ingredient(client, "Test Resolve Lemon Special", ["lemons resolve"])
+    r = client.post(
+        "/api/admin/recipes/resolve-ingredient",
+        json={"text": "2 lemons resolve"},
+        headers=_admin(),
+    )
+    data = r.json()
+    assert data["parsed_qty"] == 2.0
+    assert data["parsed_unit"] is None