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'use strict';
// This tests that a local TCP server can be snapshotted and the
// diagnostics channels work across serialization.
require('../common');
const assert = require('assert');
const { spawnSync } = require('child_process');
const tmpdir = require('../common/tmpdir');
const fixtures = require('../common/fixtures');
const path = require('path');
const fs = require('fs');
tmpdir.refresh();
const blobPath = path.join(tmpdir.path, 'snapshot.blob');
const entry = fixtures.path('snapshot', 'server.js');
{
const child = spawnSync(process.execPath, [
'--snapshot-blob',
blobPath,
'--build-snapshot',
entry,
], {
cwd: tmpdir.path
});
if (child.status !== 0) {
console.log(child.stderr.toString());
console.log(child.stdout.toString());
assert.strictEqual(child.status, 0);
}
const stats = fs.statSync(path.join(tmpdir.path, 'snapshot.blob'));
assert(stats.isFile());
}
{
const child = spawnSync(process.execPath, [
'--snapshot-blob',
blobPath,
], {
cwd: tmpdir.path,
env: {
...process.env,
}
});
const stdout = child.stdout.toString().trim();
console.log(`[stdout]:\n${stdout}\n`);
const stderr = child.stderr.toString().trim();
console.log(`[stderr]:\n${stderr}\n`);
assert.strictEqual(child.status, 0);
const lines = stdout.split('\n');
assert.strictEqual(lines.length, 4);
// The log should look like this:
// server port ${port}
// From client diagnostics channel
// From server diagnostics channel: ${port}
// recv.length: 256
assert.match(lines[0], /server port (\d+)/);
const port = lines[0].match(/server port (\d+)/)[1];
assert.match(lines[1], /From client diagnostics channel/);
assert.match(lines[2], new RegExp(`From server diagnostics channel: ${port}`));
assert.match(lines[3], /recv\.length: 256/);
}
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