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'use strict';
if (!process.features.inspector) return;
const common = require('../common');
const assert = require('assert');
const { dirname } = require('path');
const fs = require('fs');
const path = require('path');
const { spawnSync } = require('child_process');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
let dirc = 0;
function nextdir() {
return process.env.NODE_V8_COVERAGE ||
path.join(tmpdir.path, `source_map_${++dirc}`);
}
// Outputs source maps when event loop is drained, with no async logic.
{
const coverageDirectory = nextdir();
const output = spawnSync(process.execPath, [
require.resolve('../fixtures/source-map/basic')
], { env: { ...process.env, NODE_V8_COVERAGE: coverageDirectory } });
if (output.status !== 0) {
console.log(output.stderr.toString());
}
assert.strictEqual(output.status, 0);
assert.strictEqual(output.stderr.toString(), '');
const sourceMap = getSourceMapFromCache('basic.js', coverageDirectory);
assert.strictEqual(sourceMap.url, 'https://ci.nodejs.org/418');
}
// Outputs source maps when process.kill(process.pid, "SIGINT"); exits process.
{
const coverageDirectory = nextdir();
const output = spawnSync(process.execPath, [
require.resolve('../fixtures/source-map/sigint')
], { env: { ...process.env, NODE_V8_COVERAGE: coverageDirectory } });
if (!common.isWindows) {
if (output.signal !== 'SIGINT') {
console.log(output.stderr.toString());
}
assert.strictEqual(output.signal, 'SIGINT');
}
assert.strictEqual(output.stderr.toString(), '');
const sourceMap = getSourceMapFromCache('sigint.js', coverageDirectory);
assert.strictEqual(sourceMap.url, 'https://ci.nodejs.org/402');
}
// Outputs source maps when source-file calls process.exit(1).
{
const coverageDirectory = nextdir();
const output = spawnSync(process.execPath, [
require.resolve('../fixtures/source-map/exit-1')
], { env: { ...process.env, NODE_V8_COVERAGE: coverageDirectory } });
assert.strictEqual(output.stderr.toString(), '');
const sourceMap = getSourceMapFromCache('exit-1.js', coverageDirectory);
assert.strictEqual(sourceMap.url, 'https://ci.nodejs.org/404');
}
// Outputs source-maps for esm module.
{
const coverageDirectory = nextdir();
const output = spawnSync(process.execPath, [
'--no-warnings',
'--experimental-modules',
require.resolve('../fixtures/source-map/esm-basic.mjs')
], { env: { ...process.env, NODE_V8_COVERAGE: coverageDirectory } });
assert.strictEqual(output.stderr.toString(), '');
const sourceMap = getSourceMapFromCache('esm-basic.mjs', coverageDirectory);
assert.strictEqual(sourceMap.url, 'https://ci.nodejs.org/405');
}
// Loads source-maps with relative path from .map file on disk.
{
const coverageDirectory = nextdir();
const output = spawnSync(process.execPath, [
require.resolve('../fixtures/source-map/disk-relative-path')
], { env: { ...process.env, NODE_V8_COVERAGE: coverageDirectory } });
assert.strictEqual(output.status, 0);
assert.strictEqual(output.stderr.toString(), '');
const sourceMap = getSourceMapFromCache(
'disk-relative-path.js',
coverageDirectory
);
// Source-map should have been loaded from disk and sources should have been
// rewritten, such that they're absolute paths.
assert.strictEqual(
dirname(
`file://${require.resolve('../fixtures/source-map/disk-relative-path')}`),
dirname(sourceMap.data.sources[0])
);
}
// Loads source-maps from inline data URL.
{
const coverageDirectory = nextdir();
const output = spawnSync(process.execPath, [
require.resolve('../fixtures/source-map/inline-base64.js')
], { env: { ...process.env, NODE_V8_COVERAGE: coverageDirectory } });
assert.strictEqual(output.status, 0);
assert.strictEqual(output.stderr.toString(), '');
const sourceMap = getSourceMapFromCache(
'inline-base64.js',
coverageDirectory
);
// base64 JSON should have been decoded, and paths to sources should have
// been rewritten such that they're absolute:
assert.strictEqual(
dirname(
`file://${require.resolve('../fixtures/source-map/inline-base64')}`),
dirname(sourceMap.data.sources[0])
);
}
// Does not apply source-map to stack trace if --experimental-modules
// is not set.
{
const output = spawnSync(process.execPath, [
require.resolve('../fixtures/source-map/uglify-throw.js')
]);
assert.strictEqual(
output.stderr.toString().match(/->.*uglify-throw-original\.js:5:9/),
null
);
assert.strictEqual(
output.stderr.toString().match(/->.*uglify-throw-original\.js:9:3/),
null
);
}
// Applies source-maps generated by uglifyjs to stack trace.
{
const output = spawnSync(process.execPath, [
'--enable-source-maps',
require.resolve('../fixtures/source-map/uglify-throw.js')
]);
assert.ok(
output.stderr.toString().match(/->.*uglify-throw-original\.js:5:9/)
);
assert.ok(
output.stderr.toString().match(/->.*uglify-throw-original\.js:9:3/)
);
}
// Applies source-maps generated by tsc to stack trace.
{
const output = spawnSync(process.execPath, [
'--enable-source-maps',
require.resolve('../fixtures/source-map/typescript-throw.js')
]);
assert.ok(output.stderr.toString().match(/->.*typescript-throw\.ts:18:11/));
assert.ok(output.stderr.toString().match(/->.*typescript-throw\.ts:24:1/));
}
// Applies source-maps generated by babel to stack trace.
{
const output = spawnSync(process.execPath, [
'--enable-source-maps',
require.resolve('../fixtures/source-map/babel-throw.js')
]);
assert.ok(
output.stderr.toString().match(/->.*babel-throw-original\.js:18:31/)
);
}
// Applies source-maps generated by nyc to stack trace.
{
const output = spawnSync(process.execPath, [
'--enable-source-maps',
require.resolve('../fixtures/source-map/istanbul-throw.js')
]);
assert.ok(
output.stderr.toString().match(/->.*istanbul-throw-original\.js:5:9/)
);
assert.ok(
output.stderr.toString().match(/->.*istanbul-throw-original\.js:9:3/)
);
}
// Applies source-maps in esm modules to stack trace.
{
const output = spawnSync(process.execPath, [
'--enable-source-maps',
'--experimental-modules',
require.resolve('../fixtures/source-map/babel-esm.mjs')
]);
assert.ok(
output.stderr.toString().match(/->.*babel-esm-original\.mjs:9:29/)
);
}
// Does not persist url parameter if source-map has been parsed.
{
const coverageDirectory = nextdir();
spawnSync(process.execPath, [
require.resolve('../fixtures/source-map/inline-base64.js')
], { env: { ...process.env, NODE_V8_COVERAGE: coverageDirectory } });
const sourceMap = getSourceMapFromCache(
'inline-base64.js',
coverageDirectory
);
assert.strictEqual(sourceMap.url, null);
}
// Persists line lengths for in-memory representation of source file.
{
const coverageDirectory = nextdir();
spawnSync(process.execPath, [
require.resolve('../fixtures/source-map/istanbul-throw.js')
], { env: { ...process.env, NODE_V8_COVERAGE: coverageDirectory } });
const sourceMap = getSourceMapFromCache(
'istanbul-throw.js',
coverageDirectory
);
if (common.isWindows) {
assert.deepStrictEqual(sourceMap.lineLengths, [1086, 31, 185, 649, 0]);
} else {
assert.deepStrictEqual(sourceMap.lineLengths, [1085, 30, 184, 648, 0]);
}
}
function getSourceMapFromCache(fixtureFile, coverageDirectory) {
const jsonFiles = fs.readdirSync(coverageDirectory);
for (const jsonFile of jsonFiles) {
let maybeSourceMapCache;
try {
maybeSourceMapCache = require(
path.join(coverageDirectory, jsonFile)
)['source-map-cache'] || {};
} catch (err) {
console.warn(err);
maybeSourceMapCache = {};
}
const keys = Object.keys(maybeSourceMapCache);
for (const key of keys) {
if (key.includes(fixtureFile)) {
return maybeSourceMapCache[key];
}
}
}
}