var test = require('tap').test var spawn = require('child_process').spawn var node = process.execPath var npm = require.resolve('../../') var args = [ npm, 'ls', 'ceci n’est pas une package' ] test('ls exits non-zero when nothing found', function (t) { var child = spawn(node, args) child.on('exit', function (code) { t.notEqual(code, 0) t.end() }) })