--- /dev/null
+var fs = require('graceful-fs')
+var path = require('path')
+
+var mkdirp = require('mkdirp')
+var mr = require('npm-registry-mock')
+var osenv = require('osenv')
+var rimraf = require('rimraf')
+var test = require('tap').test
+
+var common = require('../common-tap.js')
+var npm = npm = require('../../')
+
+var pkg = path.resolve(__dirname, 'peer-deps-toplevel')
+
+var expected = {
+ name: 'npm-test-peer-deps-toplevel',
+ version: '0.0.0',
+ dependencies: {
+ 'npm-test-peer-deps': {
+ version: '0.0.0',
+ from: 'npm-test-peer-deps@*',
+ resolved: common.registry + '/npm-test-peer-deps/-/npm-test-peer-deps-0.0.0.tgz',
+ dependencies: {
+ underscore: {
+ version: '1.3.1',
+ from: 'underscore@1.3.1',
+ resolved: common.registry + '/underscore/-/underscore-1.3.1.tgz'
+ }
+ }
+ },
+ mkdirp: {
+ version: '0.3.5',
+ from: 'mkdirp@*',
+ resolved: common.registry + '/mkdirp/-/mkdirp-0.3.5.tgz'
+ },
+ request: {
+ version: '0.9.5',
+ from: 'request@>=0.9.0 <0.10.0',
+ resolved: common.registry + '/request/-/request-0.9.5.tgz'
+ }
+ }
+}
+
+var json = {
+ author: 'Domenic Denicola',
+ name: 'npm-test-peer-deps-toplevel',
+ version: '0.0.0',
+ dependencies: {
+ 'npm-test-peer-deps': '*'
+ },
+ peerDependencies: {
+ mkdirp: '*'
+ }
+}
+
+test('installs the peer dependency directory structure', function (t) {
+ mr({ port: common.port }, function (er, s) {
+ setup(function (err) {
+ t.ifError(err, 'setup ran successfully')
+
+ npm.install('.', function (err) {
+ t.ifError(err, 'packages were installed')
+
+ npm.commands.ls([], true, function (err, _, results) {
+ t.ifError(err, 'listed tree without problems')
+
+ t.deepEqual(results, expected, 'got expected output from ls')
+ s.close()
+ t.end()
+ })
+ })
+ })
+ })
+})
+
+test('cleanup', function (t) {
+ cleanup()
+ t.end()
+})
+
+function setup (cb) {
+ cleanup()
+ mkdirp.sync(pkg)
+ fs.writeFileSync(
+ path.join(pkg, 'package.json'),
+ JSON.stringify(json, null, 2)
+ )
+ process.chdir(pkg)
+
+ var opts = { cache: path.resolve(pkg, 'cache'), registry: common.registry}
+ npm.load(opts, cb)
+}
+
+function cleanup () {
+ process.chdir(osenv.tmpdir())
+ rimraf.sync(pkg)
+}