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test: pipe some error output if npm fails #12490

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test: pipe some error output if npm fails #12490

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22 changes: 11 additions & 11 deletions test/parallel/test-npm-install.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ if (!common.hasCrypto) {
}

const path = require('path');
const spawn = require('child_process').spawn;
const exec = require('child_process').exec;
const assert = require('assert');
const fs = require('fs');

Expand All @@ -26,11 +26,6 @@ const npmPath = path.join(
'npm-cli.js'
);

const args = [
npmPath,
'install'
];

const pkgContent = JSON.stringify({
dependencies: {
'package-name': common.fixturesDir + '/packages/main'
Expand All @@ -47,17 +42,22 @@ env['NPM_CONFIG_PREFIX'] = path.join(npmSandbox, 'npm-prefix');
env['NPM_CONFIG_TMP'] = path.join(npmSandbox, 'npm-tmp');
env['HOME'] = path.join(npmSandbox, 'home');

const proc = spawn(process.execPath, args, {
exec(`${process.execPath} ${npmPath} install`, {
cwd: installDir,
env: env
});
}, common.mustCall(handleExit));

function handleExit(error, stdout, stderr) {
const code = error ? error.code : 0;
const signalCode = error ? error.signal : null;

if (code !== 0) {
process.stderr.write(stderr);
}

function handleExit(code, signalCode) {
assert.strictEqual(code, 0, `npm install got error code ${code}`);
assert.strictEqual(signalCode, null, `unexpected signal: ${signalCode}`);
assert.doesNotThrow(function() {
fs.accessSync(installDir + '/node_modules/package-name');
});
}

proc.on('exit', common.mustCall(handleExit));