86 lines
2.2 KiB
JavaScript
86 lines
2.2 KiB
JavaScript
import { setTimeout } from 'timers'
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import { promisify } from 'util'
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import * as colors from 'colorette'
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import Dockerode from 'dockerode'
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import prettyBytes from 'pretty-bytes'
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const sleep = promisify(setTimeout)
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const client = new Dockerode()
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export async function createSuite(testFile, maxMemoryUsage) {
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console.info(colors.cyanBright(`Create container to test ${testFile}`))
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const container = await client.createContainer({
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Image: 'node:lts-slim',
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Cmd: ['/bin/bash', '-c', `node --expose-gc memory-testing/${testFile}.mjs`],
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AttachStdout: true,
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AttachStderr: true,
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Tty: true,
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WorkingDir: '/napi-rs',
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Env: ['MAX_OLD_SPACE_SIZE=256', 'FORCE_COLOR=1'],
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HostConfig: {
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Binds: [`${process.cwd()}:/napi-rs:rw`],
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Memory: 256 * 1024 * 1024,
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},
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})
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console.info(colors.cyanBright('Container created, starting ...'))
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await container.start()
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container.attach(
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{ stream: true, stdout: true, stderr: true },
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function (err, stream) {
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if (err) {
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console.error(err)
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process.exit(1)
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}
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stream.pipe(process.stdout)
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},
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)
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const stats = await container.stats()
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let shouldAssertMemoryUsage = false
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let initialMemoryUsage
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await new Promise((resolve, reject) => {
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const initialDate = Date.now()
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stats.on('data', (d) => {
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const { memory_stats } = JSON.parse(d.toString('utf8'))
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if (Date.now() - initialDate > 10000 && !shouldAssertMemoryUsage) {
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initialMemoryUsage = memory_stats.usage
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shouldAssertMemoryUsage = true
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resolve()
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}
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if (shouldAssertMemoryUsage && memory_stats?.usage) {
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const memoryGrowth = memory_stats.usage - initialMemoryUsage
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if (memoryGrowth > (maxMemoryUsage ?? initialMemoryUsage)) {
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console.info(
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colors.redBright(
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`Potential memory leak, memory growth: ${prettyBytes(
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memoryGrowth,
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)}`,
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),
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)
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process.exit(1)
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}
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}
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})
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stats.on('error', reject)
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})
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console.info(
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colors.red(`Initial memory usage: ${prettyBytes(initialMemoryUsage ?? 0)}`),
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)
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await sleep(60000)
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try {
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await container.stop()
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await container.remove()
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} catch (e) {
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console.error(e)
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}
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}
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