Luke The Dev
28 lines
988 B
TypeScript
28 lines
988 B
TypeScript
import { describe, expect, it, vi } from "vitest";
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import { randomUUID } from "@/lib/uuid";
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describe("randomUUID", () => {
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it("uses crypto.randomUUID when available", () => {
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const cryptoLike = { randomUUID: vi.fn(() => "fixed-uuid") };
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expect(randomUUID(cryptoLike)).toBe("fixed-uuid");
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expect(cryptoLike.randomUUID).toHaveBeenCalledTimes(1);
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});
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it("uses crypto.getRandomValues when randomUUID is missing", () => {
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const getRandomValues = vi.fn((arr: Uint8Array) => {
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for (let i = 0; i < arr.length; i++) arr[i] = i;
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return arr;
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});
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const out = randomUUID({ getRandomValues });
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expect(getRandomValues).toHaveBeenCalledTimes(1);
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expect(out).toMatch(/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/);
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});
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it("falls back when no crypto APIs are available", () => {
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const out = randomUUID(null);
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expect(out).toMatch(/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/);
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});
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});
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