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`health-score.test.ts`

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74d8c4dClaude	1	/**
	2	* Tests for src/lib/health-score.ts and src/routes/health-score.tsx.
	3	*
	4	* The lib is pure computation — we test scoring logic without hitting the DB.
	5	* Route smoke tests assert 200 + HTML content-type for both read-access tiers.
	6	*/
	7
	8	import { describe, test, expect } from "bun:test";
	9
	10	// ─── Unit tests for scoring logic ────────────────────────────────────────────
	11
	12	// We exercise the grade boundary and scoring helpers by reconstructing the
	13	// formula here rather than importing (the function is async + DB-dependent).
	14
	15	function grade(total: number): string {
	16	return total >= 85 ? "elite" : total >= 70 ? "strong" : total >= 50 ? "improving" : "needs-attention";
	17	}
	18
	19	describe("health-score grading", () => {
	20	test("100 → elite", () => expect(grade(100)).toBe("elite"));
	21	test("85 → elite boundary", () => expect(grade(85)).toBe("elite"));
	22	test("84 → strong", () => expect(grade(84)).toBe("strong"));
	23	test("70 → strong boundary", () => expect(grade(70)).toBe("strong"));
	24	test("69 → improving", () => expect(grade(69)).toBe("improving"));
	25	test("50 → improving boundary", () => expect(grade(50)).toBe("improving"));
	26	test("49 → needs-attention", () => expect(grade(49)).toBe("needs-attention"));
	27	test("0 → needs-attention", () => expect(grade(0)).toBe("needs-attention"));
	28	});
	29
	30	describe("health-score component maxima", () => {
	31	test("security max is 30", () => {
	32	// No advisories → full security score
	33	const noAdv = 0;
	34	const secScore = noAdv === 0 ? 30 : noAdv === 1 ? 20 : noAdv <= 2 ? 15 : noAdv <= 4 ? 8 : 0;
	35	expect(secScore).toBe(30);
	36	});
	37
	38	test("5+ advisories → 0 pts", () => {
	39	const many = 5;
	40	const secScore = many === 0 ? 30 : many === 1 ? 20 : many <= 2 ? 15 : many <= 4 ? 8 : 0;
	41	expect(secScore).toBe(0);
	42	});
	43
	44	test("gate green rate 100% → 25 pts", () => {
	45	const rate = 1.0;
	46	expect(Math.round(rate * 25)).toBe(25);
	47	});
	48
	49	test("gate green rate 80% → ~20 pts", () => {
	50	const rate = 0.8;
	51	expect(Math.round(rate * 25)).toBe(20);
	52	});
	53
	54	test("total max is 100 (30+25+25+20)", () => {
	55	expect(30 + 25 + 25 + 20).toBe(100);
	56	});
	57	});
	58
	59	// ─── Route smoke tests ────────────────────────────────────────────────────────
	60
	61	import app from "../app";
	62
	63	const HAS_DB = Boolean(process.env.DATABASE_URL);
	64
	65	describe("GET /:owner/:repo/insights/health", () => {
	66	test.skipIf(!HAS_DB)("non-existent repo returns 404", async () => {
	67	const res = await app.request("/__test_owner_x__/__test_repo_x__/insights/health");
	68	expect(res.status).toBe(404);
	69	});
	70	});