21 lines
1.4 KiB
TypeScript
21 lines
1.4 KiB
TypeScript
/** @jest-environment node */
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import { createBrowserUuid } from '@/lib/browser-uuid'
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import { z } from 'zod'
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const cryptoDescriptor = Object.getOwnPropertyDescriptor(globalThis, 'crypto')!
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afterEach(() => Object.defineProperty(globalThis, 'crypto', cryptoDescriptor))
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test('generates valid UUID v4 values without relying on randomUUID', () => {
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const original = globalThis.crypto
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Object.defineProperty(globalThis, 'crypto', { configurable: true, value: { getRandomValues: original.getRandomValues.bind(original), randomUUID: undefined } })
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const ids = Array.from({ length: 100 }, () => createBrowserUuid())
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expect(new Set(ids).size).toBe(100)
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for (const id of ids) { expect(id).toMatch(/^[a-f0-9]{8}-[a-f0-9]{4}-4[a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$/); expect(z.string().uuid().safeParse(id).success).toBe(true) }
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})
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test('sets the UUID version and variant without discarding the remaining random bits', () => {
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Object.defineProperty(globalThis, 'crypto', { configurable: true, value: { getRandomValues: (bytes: Uint8Array) => bytes.fill(255) } })
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expect(createBrowserUuid()).toBe('ffffffff-ffff-4fff-bfff-ffffffffffff')
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})
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test.each([undefined, {}])('missing secure randomness reports a clear error and never creates a weak identifier', value => {
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Object.defineProperty(globalThis, 'crypto', { configurable: true, value })
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expect(createBrowserUuid).toThrow('当前浏览器无法生成请求编号，请更新浏览器后再试')
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})
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