53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
import test from 'brittle'
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import { readFile } from 'node:fs/promises'
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import { createContext, runInContext } from 'node:vm'
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import { dirname, join } from 'node:path'
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import { fileURLToPath } from 'node:url'
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const __dirname = dirname(fileURLToPath(import.meta.url))
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const helpersPath = join(__dirname, '../lib/baretop-ui-helpers.js')
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const composePath = join(__dirname, '../lib/baretop-compose.js')
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test('stress synthetic snapshots do not crash compose loop', async (t) => {
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const helpers = await readFile(helpersPath, 'utf8')
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const compose = await readFile(composePath, 'utf8')
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const ctx = createContext({})
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runInContext(helpers + '\n' + compose, ctx)
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let prevLines = null
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for (let i = 0; i < 120; i++) {
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const huge = Array.from({ length: 1600 }, (_, k) => ({
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pid: k + 1,
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ppid: k % 17,
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name: 'proc-' + k,
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state: k % 2 ? 'run' : 'sleep',
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cpuPct: (k * 7 + i) % 100,
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rssBytes: (k + 1) * 4096
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}))
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const rows = ctx.bareTopSortProcessRows(huge, 'cpu', false, { sortWallMs: 1000 })
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const frame = ['stress-' + i, 'rows=' + rows.length]
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for (const r of rows.slice(0, 500)) {
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frame.push(
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String(r.pid) +
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' ' +
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String(r.name) +
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' cpu=' +
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String(r.cpuPct) +
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' rss=' +
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String(r.rssBytes)
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)
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}
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const em = ctx.bareTopEmitFrame({}, { write() {} }, frame.join('\r\n'), {
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prevLines,
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rows: 46,
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cols: 140,
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incrementalFrameDiff: true,
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useLineHash: true,
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fullscreenPanel: false,
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cup: (r, c) => `\x1b[${r};${c}H`
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})
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prevLines = em.nextLines
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t.ok(Array.isArray(prevLines))
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}
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})
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