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var fs = require('graceful-fs')
var path = require('path')
var spawn = require('child_process').spawn
var mkdirp = require('mkdirp')
var osenv = require('osenv')
var rimraf = require('rimraf')
var test = require('tap').test
var node = process.execPath
var npm = require.resolve('../../bin/npm-cli.js')
var pkg = path.resolve(__dirname, 'lifecycle-signal')
var asyncScript = 'console.error(process.pid);process.on(\'SIGINT\',function (){'
asyncScript += 'setTimeout(function(){console.error(process.pid);process.exit()},10)'
asyncScript += '});setInterval(function(){},10);'
var zombieScript = 'console.error(process.pid);process.on(\'SIGINT\',function (){'
zombieScript += '});setInterval(function(){console.error(process.pid)},10);'
var SIGSEGV = require('constants').SIGSEGV // eslint-disable-line node/no-deprecated-api
var json = {
name: 'lifecycle-signal',
version: '1.2.5',
scripts: {
preinstall: 'node -e "process.kill(process.pid,\'SIGSEGV\')"',
forever: 'node -e "console.error(process.pid);setInterval(function(){},1000)"',
async: 'node -e "' + asyncScript + '"',
zombie: 'node -e "' + zombieScript + '"'
}
}
test('setup', function (t) {
cleanup()
mkdirp.sync(pkg)
fs.writeFileSync(
path.join(pkg, 'package.json'),
JSON.stringify(json, null, 2)
)
process.chdir(pkg)
t.end()
})
test('lifecycle signal abort', {
skip: process.platform === 'win32' && 'windows does not use lifecycle signals'
}, function (t) {
var child = spawn(node, [npm, 'install'], {
cwd: pkg
})
child.on('close', function (code, signal) {
// The error may be forwarded by the shell as an exit code rather than
// the signal itself.
t.ok((code === 128 + SIGSEGV) || signal === 'SIGSEGV')
t.end()
})
})
test('lifecycle propagate signal term to child', {
/* This feature is broken. npm runs its lifecycle processes in a shell, and at
* least `bash` doesn’t forward SIGTERM to its children. */
skip: process.platform !== 'darwin' && 'broken'
}, function (t) {
var innerChildPid
var child = spawn(npm, ['run', 'forever'], {
cwd: pkg
})
child.stderr.on('data', function (data) {
innerChildPid = parseInt(data.toString(), 10)
t.doesNotThrow(function () {
process.kill(innerChildPid, 0) // inner child should be running
})
child.kill() // send SIGTERM to npm
})
child.on('exit', function (code, signal) {
t.equal(code, null)
t.equal(signal, 'SIGTERM')
t.throws(function () {
process.kill(innerChildPid, 0) // SIGTERM should have reached inner child
})
t.end()
})
})
test('lifecycle wait for async child process exit', {
skip: process.platform !== 'darwin' && 'broken'
}, function (t) {
var innerChildPid
var interupted
var child = spawn(npm, ['run', 'async'], {
cwd: pkg
})
child.stderr.on('data', function (data) {
if (!interupted) {
interupted = true
child.kill('SIGINT')
} else {
innerChildPid = parseInt(data.toString(), 10)
}
})
child.on('exit', function (code, signal) {
t.ok(innerChildPid)
t.end()
})
})
test('lifecycle force kill using multiple SIGINT signals', {
skip: process.platform !== 'darwin' && 'broken'
}, function (t) {
var innerChildPid
var interupted
var child = spawn(npm, ['run', 'zombie'], {
cwd: pkg
})
child.stderr.on('data', function (data) {
if (!interupted) {
interupted = true
child.kill('SIGINT')
} else {
innerChildPid = parseInt(data.toString(), 10)
child.kill('SIGINT')
}
})
child.on('exit', function (code, signal) {
t.ok(innerChildPid)
t.end()
})
})
test('cleanup', function (t) {
cleanup()
t.end()
})
function cleanup () {
process.chdir(osenv.tmpdir())
rimraf.sync(pkg)
}
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