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https://github.com/Drop-OSS/drop.git
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4a2202b7d7
5 new test files in test/unit/, +31 tests, 57 total pass: - array.test.ts (10 tests): sum() — empty, positive, mixed, single, no-mutation. lastItem() — empty, single, multi, object refs. - tuple.test.ts (2 tests): x/y storage, toString format. - colors.test.ts (6 tests): getBarColor — 0/70/71/90/91/100 boundary cases. - utils.test.ts (5 tests): getPercentage — value/total, 0/total, >100%, div-by-zero (documents current Infinity behavior), fractional. - prioritylist.test.ts (8 tests): PriorityList — empty, insertion order, priority sort, pop, cache invalidation, find. PriorityListIndexed — index by property, remove from index on pop, empty-pop TypeError (pins current behavior; PR4 will add explicit guard). Coverage: - prioritylist.ts: 93.75% lines (was 0%) - utils/ (array/colors/tuple/utils): 94.73% lines - overall: 1.17% → 1.9% lines Refs plan at .opencode/plans/hyperplan-dep-tdd-coverage.md PR7. Co-authored-by: bot <ci@local>
27 lines
922 B
TypeScript
27 lines
922 B
TypeScript
import { describe, expect, it } from "vitest";
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import { getPercentage } from "../../../server/utils/utils";
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describe("getPercentage", () => {
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it("computes value/total as a percent", () => {
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expect(getPercentage(50, 100)).toBe(50);
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});
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it("handles 0/total = 0", () => {
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expect(getPercentage(0, 100)).toBe(0);
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});
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it("handles value > total (over 100%)", () => {
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expect(getPercentage(150, 100)).toBe(150);
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});
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it("returns Infinity when total is 0 (current behavior — does not handle div-by-zero)", () => {
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// Current code: 5*100/0 = Infinity. Number.isNaN(Infinity) is false,
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// so the NaN-guard doesn't fire. The function returns Infinity, not 0.
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// Documenting current behavior; a div-by-zero guard is a future fix.
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expect(getPercentage(5, 0)).toBe(Infinity);
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});
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it("handles fractional values", () => {
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expect(getPercentage(1, 3)).toBeCloseTo(33.333, 2);
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});
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});
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