--- /dev/null
+var common = require('../common-tap.js')
+var test = require('tap').test
+var path = require('path')
+var fs = require('fs')
+var rimraf = require('rimraf')
+var mkdirp = require('mkdirp')
+
+var mr = require("npm-registry-mock")
+
+var pkg = path.resolve(process.env.npm_config_tmp || '/tmp',
+ 'noargs-install-config-save')
+
+function writePackageJson() {
+ rimraf.sync(pkg)
+ mkdirp.sync(pkg)
+ mkdirp.sync(pkg + "/cache")
+
+ fs.writeFileSync(pkg + "/package.json", JSON.stringify({
+ "author": "Rocko Artischocko",
+ "name": "noargs",
+ "version": "0.0.0",
+ "devDependencies": {
+ "underscore": "1.3.1"
+ }
+ }), "utf8")
+}
+
+var env = {
+ 'npm_config_save': true,
+ 'npm_config_registry': common.registry,
+ 'npm_config_cache': pkg + '/cache',
+ HOME: process.env.HOME,
+ Path: process.env.PATH,
+ PATH: process.env.PATH
+}
+var OPTS = {
+ cwd: pkg,
+ env: env
+}
+
+test("does not update the package.json with empty arguments", function (t) {
+ writePackageJson()
+ t.plan(2)
+
+ mr({ port: common.port }, function (er, s) {
+ common.npm('install', OPTS, function (er, code, stdout, stderr) {
+ if (er) throw er
+ t.is(code, 0)
+ if (code !== 0) {
+ console.error('#', stdout)
+ console.error('#', stderr)
+ }
+ var text = JSON.stringify(fs.readFileSync(pkg + '/package.json', 'utf8'))
+ s.close()
+ t.ok(text.indexOf("\"dependencies") === -1)
+ })
+ })
+})
+
+test("updates the package.json (adds dependencies) with an argument", function (t) {
+ writePackageJson()
+ t.plan(2)
+
+ mr({ port: common.port }, function (er, s) {
+ common.npm(['install', 'underscore'], OPTS, function (er, code, stdout, stderr) {
+ if (er) throw er
+ t.is(code, 0)
+ s.close()
+ var text = JSON.stringify(fs.readFileSync(pkg + "/package.json", "utf8"))
+ t.ok(text.indexOf("\"dependencies") !== -1)
+ })
+ })
+})
+
+test("cleanup", function (t) {
+ rimraf.sync(pkg + "/cache")
+ t.end()
+})