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