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community-rule/tests/unit/deriveCompactCards.test.ts
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2026-04-20 12:41:10 -06:00

94 lines
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TypeScript

import { describe, expect, it } from "vitest";
import { deriveCompactCards } from "../../app/(app)/create/hooks/useFacetRecommendations";
const methods = [
{ id: "alpha" },
{ id: "bravo" },
{ id: "charlie" },
{ id: "delta" },
{ id: "echo" },
{ id: "foxtrot" },
{ id: "golf" },
] as const;
describe("deriveCompactCards", () => {
it("falls back to authoring order with no badges when no facets selected", () => {
const result = deriveCompactCards(methods, {}, false, 5);
expect(result.compactCardIds).toEqual([
"alpha",
"bravo",
"charlie",
"delta",
"echo",
]);
expect(result.recommendedIds.size).toBe(0);
});
it("falls back to authoring order with no badges when facets selected but every score is zero", () => {
const result = deriveCompactCards(methods, {}, true, 5);
expect(result.compactCardIds).toEqual([
"alpha",
"bravo",
"charlie",
"delta",
"echo",
]);
expect(result.recommendedIds.size).toBe(0);
});
it("shows only recommended (matched) cards when fewer than the limit match", () => {
const result = deriveCompactCards(
methods,
{ bravo: 2, delta: 1 },
true,
5,
);
// Caller is responsible for pre-ranking by score (rankMethodsByScore).
// This test passes already-ranked input; the hook just respects ordering
// and tags only the matched subset — no padding with unrecommended cards.
expect(result.compactCardIds).toEqual(["bravo", "delta"]);
expect([...result.recommendedIds].sort()).toEqual(["bravo", "delta"]);
});
it("caps recommended cards at the limit when more than `limit` match", () => {
const scores = {
alpha: 4,
bravo: 3,
charlie: 3,
delta: 2,
echo: 1,
foxtrot: 1,
golf: 1,
};
const result = deriveCompactCards(methods, scores, true, 5);
expect(result.compactCardIds).toEqual([
"alpha",
"bravo",
"charlie",
"delta",
"echo",
]);
expect(result.recommendedIds.size).toBe(5);
expect([...result.recommendedIds].sort()).toEqual([
"alpha",
"bravo",
"charlie",
"delta",
"echo",
]);
});
it("returns a single card when only one method matches", () => {
const result = deriveCompactCards(methods, { charlie: 4 }, true, 5);
expect(result.compactCardIds).toEqual(["charlie"]);
expect([...result.recommendedIds]).toEqual(["charlie"]);
});
it("respects a smaller `limit` even when many methods match", () => {
const scores = { alpha: 4, bravo: 3, charlie: 3, delta: 2 };
const result = deriveCompactCards(methods, scores, true, 3);
expect(result.compactCardIds).toEqual(["alpha", "bravo", "charlie"]);
expect(result.recommendedIds.size).toBe(3);
});
});