nodejs-mozilla/test/parallel/test-repl-pretty-stack.js

77 lines
2.1 KiB
JavaScript

'use strict';
require('../common');
const ArrayStream = require('../common/arraystream');
const fixtures = require('../common/fixtures');
const assert = require('assert');
const repl = require('repl');
const stackRegExp = /(at .*repl:)[0-9]+:[0-9]+/g;
function run({ command, expected, ...extraREPLOptions }, i) {
let accum = '';
const inputStream = new ArrayStream();
const outputStream = new ArrayStream();
outputStream.write = (data) => accum += data.replace('\r', '');
const r = repl.start({
prompt: '',
input: inputStream,
output: outputStream,
terminal: false,
useColors: false,
...extraREPLOptions
});
r.write(`${command}\n`);
console.log(i);
assert.strictEqual(
accum.replace(stackRegExp, '$1*:*'),
expected.replace(stackRegExp, '$1*:*')
);
r.close();
}
const tests = [
{
// Test .load for a file that throws.
command: `.load ${fixtures.path('repl-pretty-stack.js')}`,
expected: 'Uncaught Error: Whoops!\n at repl:*:*\n' +
' at d (repl:*:*)\n at c (repl:*:*)\n' +
' at b (repl:*:*)\n at a (repl:*:*)\n'
},
{
command: 'let x y;',
expected: 'let x y;\n ^\n\n' +
'Uncaught SyntaxError: Unexpected identifier\n'
},
{
command: 'throw new Error(\'Whoops!\')',
expected: 'Uncaught Error: Whoops!\n'
},
{
command: '(() => { const err = Error(\'Whoops!\'); ' +
'err.foo = \'bar\'; throw err; })()',
expected: "Uncaught Error: Whoops!\n at repl:*:* {\n foo: 'bar'\n}\n",
},
{
command: '(() => { const err = Error(\'Whoops!\'); ' +
'err.foo = \'bar\'; throw err; })()',
expected: 'Uncaught Error: Whoops!\n at repl:*:* {\n foo: ' +
"\u001b[32m'bar'\u001b[39m\n}\n",
useColors: true
},
{
command: 'foo = bar;',
expected: 'Uncaught ReferenceError: bar is not defined\n'
},
// Test anonymous IIFE.
{
command: '(function() { throw new Error(\'Whoops!\'); })()',
expected: 'Uncaught Error: Whoops!\n at repl:*:*\n'
}
];
tests.forEach(run);