Fas 3 steg 3b: minimala efterfrågor + hushållsantagandeprofiler per ingrediens

2026-08-07 03:56:41 +07:00
parent 44f6385dce
commit e46281b9b5
24 changed files with 10130 additions and 5 deletions
@@ -0,0 +1,63 @@
+import { describe, expect, it } from "vitest";
+import { updateCookingAssumptionProfile } from "../src/cooking-profiles.js";
+
+describe("updateCookingAssumptionProfile", () => {
+  it("initializes profile from first observation", () => {
+    const result = updateCookingAssumptionProfile(
+      {
+        householdId: "h1",
+        canonicalIngredientId: "i1",
+        plannedPortions: 4,
+        actualPortionsEaten: 3,
+        leftoverEstimatePortions: 1,
+        sessionId: "s1",
+        date: "2026-08-07",
+      },
+      { averageEatenPortions: null, averageLeftoverPortions: null, observationCount: 0 },
+    );
+    expect(result.averageEatenPortions).toBe(3);
+    expect(result.averageLeftoverPortions).toBe(1);
+    expect(result.observationCount).toBe(1);
+  });
+
+  it("clamps eaten and leftovers to valid ranges", () => {
+    const result = updateCookingAssumptionProfile(
+      {
+        householdId: "h1",
+        canonicalIngredientId: "i1",
+        plannedPortions: 4,
+        actualPortionsEaten: -1,
+        leftoverEstimatePortions: 5,
+        sessionId: "s1",
+        date: "2026-08-07",
+      },
+      { averageEatenPortions: 2, averageLeftoverPortions: 1, observationCount: 3 },
+    );
+    // Eaten clamps to 0, leftovers clamps to planned - eaten = 4.
+    // alpha = 1/4, prevEaten=2 => 2 + 0.25*(0-2) = 1.5
+    // prevLeftovers=1 => 1 + 0.25*(4-1) = 1.75
+    expect(result.averageEatenPortions).toBe(1.5);
+    expect(result.averageLeftoverPortions).toBe(1.75);
+  });
+
+  it("keeps a rolling history of last 10 sessions", () => {
+    type Profile = { averageEatenPortions: number | null; averageLeftoverPortions: number | null; observationCount: number; lastSessionAnswers?: Array<{ sessionId: string; eaten: number; leftovers: number; date: string }> | null };
+    let existing: Profile = { averageEatenPortions: null, averageLeftoverPortions: null, observationCount: 0 };
+    for (let i = 0; i < 12; i++) {
+      existing = updateCookingAssumptionProfile(
+        {
+          householdId: "h1",
+          canonicalIngredientId: "i1",
+          plannedPortions: 4,
+          actualPortionsEaten: 2,
+          leftoverEstimatePortions: 1,
+          sessionId: `s${i}`,
+          date: "2026-08-07",
+        },
+        existing,
+      );
+    }
+    expect(existing.lastSessionAnswers).toHaveLength(10);
+    expect(existing.lastSessionAnswers![0]!.sessionId).toBe("s11");
+  });
+});