26 lines
1.1 KiB
TypeScript
26 lines
1.1 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import { formatBytes } from '../src/lib/bytes'
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import { secureRandomBytes, type RandomSource } from '../src/lib/random'
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describe('secure random bytes', () => {
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it('uses the supplied cryptographic source and preserves requested length', () => {
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let next = 0
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const source: RandomSource = {
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getRandomValues<T extends ArrayBufferView>(array: T): T {
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const bytes = new Uint8Array(array.buffer, array.byteOffset, array.byteLength)
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bytes.forEach((_, index) => { bytes[index] = next; next += 1 })
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return array
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},
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}
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expect(secureRandomBytes(4, source)).toEqual(Uint8Array.from([0, 1, 2, 3]))
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expect(() => secureRandomBytes(0, source)).toThrow('1 至 65536')
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})
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it('formats the same bytes for OpenSSL and source-code styles', () => {
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const bytes = Uint8Array.from([0x0a, 0xbc, 0xff])
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expect(formatBytes(bytes)).toBe('0ABCFF')
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expect(formatBytes(bytes, { format: 'spaced-hex' })).toBe('0A BC FF')
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expect(formatBytes(bytes, { format: 'byte-array', uppercase: false })).toBe('0x0a, 0xbc, 0xff')
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})
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})
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