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test.js
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test.js
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import * as Link from 'multiformats/link'
import * as raw from 'multiformats/codecs/raw'
import * as PieceHasher from './main.js'
const randomBytes = size => {
const bytes = new Uint8Array(size)
while (size) {
const chunk = new Uint8Array(Math.min(size, 65_536))
crypto.getRandomValues(chunk)
size -= chunk.length
bytes.set(chunk, size)
}
return bytes
}
export const test = {
'hashes the piece with a worker': async (/** @type {import('entail').assert} */ assert) => {
const hasher = PieceHasher.create('worker.min.js')
const input = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9, 0])
const digest = await hasher.digest(input)
const link = Link.create(raw.code, digest)
assert.equal(link.toString(), 'bafkzcibcoubejw4nmktwc33ltx33ooycrmpz7kh23rmnt63tbzovse7y6vf5wly')
},
'does not block the event loop': async (/** @type {import('entail').assert} */ assert) => {
const hasher = PieceHasher.create('worker.min.js')
const input = randomBytes(1024 * 1024 * 133)
let start = Date.now()
setTimeout(() => {
const blocked = Date.now() - start > 1100
assert.ok(!blocked)
if (!blocked) console.log('not blocked!')
}, 1000)
await hasher.digest(input)
}
}