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'use strict';
const common = require('../common.js');
const { spawn } = require('child_process');
const path = require('path');
let Worker; // Lazy loaded in main
const bench = common.createBenchmark(main, {
dur: [1],
script: ['benchmark/fixtures/require-cachable', 'test/fixtures/semicolon'],
mode: ['process', 'worker']
}, {
flags: ['--expose-internals']
});
function spawnProcess(script) {
const cmd = process.execPath || process.argv[0];
const argv = ['--expose-internals', script];
return spawn(cmd, argv);
}
function spawnWorker(script) {
return new Worker(script, { stderr: true, stdout: true });
}
function start(state, script, bench, getNode) {
const node = getNode(script);
let stdout = '';
let stderr = '';
node.stdout.on('data', (data) => {
stdout += data;
});
node.stderr.on('data', (data) => {
stderr += data;
});
node.on('exit', (code) => {
if (code !== 0) {
console.error('------ stdout ------');
console.error(stdout);
console.error('------ stderr ------');
console.error(stderr);
throw new Error(`Error during node startup, exit code ${code}`);
}
state.throughput++;
if (state.go) {
start(state, script, bench, getNode);
} else {
bench.end(state.throughput);
}
});
}
function main({ dur, script, mode }) {
const state = {
go: true,
throughput: 0
};
setTimeout(() => {
state.go = false;
}, dur * 1000);
script = path.resolve(__dirname, '../../', `${script}.js`);
if (mode === 'worker') {
Worker = require('worker_threads').Worker;
bench.start();
start(state, script, bench, spawnWorker);
} else {
bench.start();
start(state, script, bench, spawnProcess);
}
}
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