--- /dev/null
+var fs = require('graceful-fs')
+var path = require('path')
+var existsSync = fs.existsSync || path.existsSync
+
+var mkdirp = require('mkdirp')
+var osenv = require('osenv')
+var rimraf = require('rimraf')
+var test = require('tap').test
+
+var common = require('../common-tap')
+
+var root = path.join(__dirname, 'install-scoped-already-installed')
+var pkg = path.join(root, 'package-with-scoped-paths')
+var modules = path.join(pkg, 'node_modules')
+
+var EXEC_OPTS = { cwd: pkg }
+
+var scopedPaths = {
+ name: 'package-with-scoped-paths',
+ version: '0.0.0',
+ dependencies: {
+ 'package-local-dependency': 'file:../package-local-dependency',
+ '@scoped/package-scoped-dependency': 'file:../package-scoped-dependency'
+ }
+}
+
+var localDependency = {
+ name: 'package-local-dependency',
+ version: '0.0.0',
+ description: 'Test for local installs'
+}
+
+var scopedDependency = {
+ name: '@scoped/package',
+ version: '0.0.0',
+ description: 'Test for local installs'
+}
+
+test('setup', function (t) {
+ rimraf.sync(root)
+ mkdirp.sync(pkg)
+ fs.writeFileSync(
+ path.join(pkg, 'package.json'),
+ JSON.stringify(scopedPaths, null, 2)
+ )
+
+ mkdirp.sync(path.join(root, 'package-local-dependency'))
+ fs.writeFileSync(
+ path.join(root, 'package-local-dependency', 'package.json'),
+ JSON.stringify(localDependency, null, 2)
+ )
+
+ mkdirp.sync(path.join(root, 'package-scoped-dependency'))
+ fs.writeFileSync(
+ path.join(root, 'package-scoped-dependency', 'package.json'),
+ JSON.stringify(scopedDependency, null, 2)
+ )
+
+ process.chdir(pkg)
+ t.end()
+})
+
+test('installing already installed local scoped package', function (t) {
+ common.npm(
+ [
+ '--loglevel', 'silent',
+ 'install'
+ ],
+ EXEC_OPTS,
+ function (err, code, stdout) {
+ var installed = parseNpmInstallOutput(stdout)
+ t.ifError(err, 'install ran to completion without error')
+ t.notOk(code, 'npm install exited with code 0')
+
+ t.ok(
+ existsSync(path.join(modules, '@scoped', 'package', 'package.json')),
+ 'package installed'
+ )
+ t.ok(
+ contains(installed, 'node_modules/@scoped/package'),
+ 'installed @scoped/package'
+ )
+ t.ok(
+ contains(installed, 'node_modules/package-local-dependency'),
+ 'installed package-local-dependency'
+ )
+
+ common.npm(
+ [
+ '--loglevel', 'silent',
+ 'install'
+ ],
+ EXEC_OPTS,
+ function (err, code, stdout) {
+ t.ifError(err, 'install ran to completion without error')
+ t.notOk(code, 'npm install raised no error code')
+
+ installed = parseNpmInstallOutput(stdout)
+
+ t.ok(
+ existsSync(path.join(modules, '@scoped', 'package', 'package.json')),
+ 'package installed'
+ )
+
+ t.notOk(
+ contains(installed, 'node_modules/@scoped/package'),
+ 'did not reinstall @scoped/package'
+ )
+ t.notOk(
+ contains(installed, 'node_modules/package-local-dependency'),
+ 'did not reinstall package-local-dependency'
+ )
+ t.end()
+ }
+ )
+ }
+ )
+})
+
+test('cleanup', function (t) {
+ process.chdir(osenv.tmpdir())
+ rimraf.sync(root)
+ t.end()
+})
+
+function contains (list, element) {
+ for (var i = 0; i < list.length; ++i) {
+ if (list[i] === element) {
+ return true
+ }
+ }
+ return false
+}
+
+function parseNpmInstallOutput (stdout) {
+ return stdout.trim().split(/\n\n|\s+/)
+}