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test: unflake debugger and REPL tests #64718

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Merged
nodejs-github-bot merged 2 commits into from
Aug 3, 2026
Merged

test: unflake debugger and REPL tests #64718

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dd871fa
test: unflake debugger and REPL tests
mcollina Jul 25, 2026
9e4ff2c
test: harden debugger prompt test
mcollina Jul 26, 2026
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8 changes: 6 additions & 2 deletions test/parallel/test-debugger-extract-function-name.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,10 +7,14 @@ import startCLI from '../common/debugger.js';

import assert from 'assert';

const cli = startCLI([fixtures.path('debugger', 'three-lines.js')]);
const env = {
...process.env,
NODE_INSPECT_RESUME_ON_START: '1',
};
const cli = startCLI(
[fixtures.path('debugger', 'alive.js')], [], { env });

try {
await cli.waitForInitialBreak();
await cli.waitForPrompt();
await cli.command('exec a = function func() {}; a;');
assert.match(cli.output, /\[Function: func\]/);
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30 changes: 21 additions & 9 deletions test/parallel/test-repl-user-error-handler.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,18 @@ const { PassThrough } = require('node:stream');
const { once } = require('node:events');
const test = require('node:test');
const { spawn } = require('node:child_process');
const vm = require('node:vm');

common.skipIfInspectorDisabled();

function evaluate(code, context, filename, callback) {
try {
callback(null, vm.runInContext(code, context, { filename }));
} catch (err) {
callback(err);
}
}

function* generateCases() {
for (const async of [false, true]) {
for (const handleErrorReturn of ['ignore', 'print', 'unhandled', 'badvalue']) {
Expand All @@ -23,13 +32,12 @@ function* generateCases() {

for (const { async, handleErrorReturn } of generateCases()) {
test(`async: ${async}, handleErrorReturn: ${handleErrorReturn}`, async () => {
let err;
const options = {
input: new PassThrough(),
output: new PassThrough().setEncoding('utf8'),
handleError: common.mustCall((e) => {
err = e;
queueMicrotask(() => repl.emit('handled-error'));
eval: evaluate,
handleError: common.mustCall((err) => {
queueMicrotask(() => repl.emit('handled-error', err));
return handleErrorReturn;
})
};
Expand All @@ -45,13 +53,16 @@ for (const { async, handleErrorReturn } of generateCases()) {
let outputString = '';
options.output.on('data', (chunk) => { outputString += chunk; });

const inputString = async ?
'setImmediate(() => { throw new Error("testerror") })\n42\n' :
'throw new Error("testerror")\n42\n';
options.input.end(inputString);
const errorInput = async ?
'setImmediate(() => { throw new Error("testerror") })\n' :
'throw new Error("testerror")\n';
const handledErrorEvent = once(repl, 'handled-error');
options.input.write(errorInput);

await once(repl, 'handled-error');
const [err] = await handledErrorEvent;
assert.strictEqual(err.message, 'testerror');
const exitEvent = once(repl, 'exit');
options.input.end('42\n');
while (!/42/.test(outputString)) {
await once(options.output, 'data');
}
Expand All @@ -66,6 +77,7 @@ for (const { async, handleErrorReturn } of generateCases()) {
const [uncaughtErr] = await uncaughtExceptionEvent;
assert.strictEqual(uncaughtErr, err);
}
await exitEvent;
});
}

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