59 lines
1.8 KiB
TypeScript
59 lines
1.8 KiB
TypeScript
import { gzipSync } from 'node:zlib'
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import { beforeAll, describe, expect, it } from 'vitest'
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import { utf8 } from '@fuman/utils'
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import { __getWasm, gunzip } from '../src/index.js'
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import { initWasm } from './init.js'
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beforeAll(async () => {
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await initWasm()
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})
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function gzipSyncWrap(data: Uint8Array) {
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if (import.meta.env.TEST_ENV === 'browser' || import.meta.env.TEST_ENV === 'deno') {
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// @ts-expect-error fucking crutch because @jspm/core uses Buffer.isBuffer for some reason
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data._isBuffer = true
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return new Uint8Array(gzipSync(data))
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}
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return gzipSync(data)
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}
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describe('gunzip', () => {
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it('should correctly read zlib headers', () => {
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const wasm = __getWasm()
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const data = gzipSyncWrap(utf8.encoder.encode('hello world'))
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const inputPtr = wasm.__malloc(data.length)
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new Uint8Array(wasm.memory.buffer).set(data, inputPtr)
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expect(wasm.libdeflate_gzip_get_output_size(inputPtr, data.length)).toEqual(11)
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})
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it('should correctly inflate', () => {
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const data = Array.from({ length: 1000 }, () => 'a').join('')
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const res = gzipSyncWrap(utf8.encoder.encode(data))
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expect(res).not.toBeNull()
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expect(res.length).toBeLessThan(100)
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expect(gunzip(res)).toEqual(new Uint8Array(utf8.encoder.encode(data)))
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})
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it('should not leak memory', () => {
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const memSize = __getWasm().memory.buffer.byteLength
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for (let i = 0; i < 100; i++) {
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const data = Array.from({ length: 1000 }, () => 'a').join('')
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const deflated = gzipSyncWrap(utf8.encoder.encode(data))
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const res = gunzip(deflated)
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expect(utf8.decoder.decode(res)).toEqual(data)
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}
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expect(__getWasm().memory.buffer.byteLength).toEqual(memSize)
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})
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})
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