test: normalize known inspector crash as completion · nodejs/node@da4dd86

'use strict';

const assert = require('assert');

const fixtures = require('./fixtures');

const path = require('path');

function debuggerFixturePath(name) {

return path.relative(process.cwd(), fixtures.path('debugger', name));

}

function escapeRegex(string) {

return string.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&');

// Work around a pre-existing inspector issue: if the debuggee exits too quickly

// the inspector can segfault while tearing down. For now normalize the segfault

// back to the expected terminal event (e.g. "completed" or "miss")

// until the upstream bug is fixed.

// See https://github.com/nodejs/node/issues/62765

// https://github.com/nodejs/node/issues/58245

const probeTargetExitSignal = 'SIGSEGV';

function assertProbeJson(output, expected) {

const normalized = JSON.parse(output);

const lastResult = normalized.results?.[normalized.results.length - 1];

if (lastResult?.event === 'error' &&

lastResult.error?.code === 'probe_target_exit' &&

lastResult.error?.signal === probeTargetExitSignal) {

// Log to facilitate debugging if this normalization is occurring.

console.log('Normalizing trailing SIGSEGV in JSON probe output');

normalized.results[normalized.results.length - 1] = expected.results.at(-1);

}

assert.deepStrictEqual(normalized, expected);

}

function assertProbeText(output, expected) {

const signalPrefix = `Target exited with signal ${probeTargetExitSignal}`;

const idx = output.indexOf(signalPrefix);

let normalized;

if (idx !== -1) {

// Log to facilitate debugging if this normalization is occurring.

console.log('Normalizing trailing SIGSEGV in text probe output');

const lineStart = output.lastIndexOf('\n', idx);

normalized = (lineStart === -1 ? '' : output.slice(0, lineStart)) + '\nCompleted';

} else {

normalized = output;

}

assert.strictEqual(normalized, expected);

}

module.exports = {

escapeRegex,

assertProbeJson,

assertProbeText,

missScript: debuggerFixturePath('probe-miss.js'),

probeScript: debuggerFixturePath('probe.js'),

throwScript: debuggerFixturePath('probe-throw.js'),