--- /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, 'dev-dep-duplicate')
+
+var json = {
+ author: 'Anders Janmyr',
+ name: 'dev-dep-duplicate',
+ version: '0.0.0',
+ dependencies: {
+ underscore: '1.5.1'
+ },
+ devDependencies: {
+ underscore: '1.3.1'
+ }
+}
+
+var expected = {
+ name: 'dev-dep-duplicate',
+ version: '0.0.0',
+ dependencies: {
+ underscore: {
+ version: '1.5.1',
+ from: 'underscore@1.5.1',
+ resolved: common.registry + '/underscore/-/underscore-1.5.1.tgz'
+ }
+ }
+}
+
+test('prefers version from dependencies over devDependencies', function (t) {
+ t.plan(1)
+
+ mr({ port: common.port }, function (er, s) {
+ setup(function (err) {
+ if (err) return t.fail(err)
+
+ npm.install('.', function (err) {
+ if (err) return t.fail(err)
+
+ npm.commands.ls([], true, function (err, _, results) {
+ if (err) return t.fail(err)
+
+ t.deepEqual(results, expected)
+ 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)
+}