test: installing of private package from shrinkwrap

When resolution is saved in cache and the meta info is on
a different path. Correct auth info should be used for
downloading the tarball.

Close #718

test/install/auth.ts

@@ -1,12 +1,14 @@
 import tape = require('tape')
 import promisifyTape from 'tape-promise'
+import path = require('path')
 import {
   prepare,
   testDefaults,
 } from '../utils'
-import {installPkgs} from '../../src'
+import {installPkgs, install} from '../../src'
 import registryMock = require('pnpm-registry-mock')
 import RegClient = require('anonymous-npm-registry-client')
+import rimraf = require('rimraf-then')
 
 const test = promisifyTape(tape)
 
@@ -62,3 +64,38 @@ test('a package that need authentication reuses authorization tokens for tarball
 
   t.ok(typeof m === 'function', 'needs-auth() is available')
 })
+
+test('a package that need authentication reuses authorization tokens for tarball fetching when meta info is cached', async function (t: tape.Test) {
+  const project = prepare(t)
+
+  const client = new RegClient()
+
+  const data = await new Promise((resolve, reject) => {
+    client.adduser('http://localhost:4873', {
+      auth: {
+        username: 'foo',
+        password: 'bar',
+        email: 'foo@bar.com',
+      }
+    }, (err: Error, data: Object) => err ? reject(err) : resolve(data))
+  })
+
+  const opts = {
+    registry: 'http://127.0.0.1:4873',
+    rawNpmConfig: {
+      '//127.0.0.1:4873/:_authToken': data['token'],
+    },
+  }
+
+  await installPkgs(['needs-auth'], opts)
+
+  await rimraf('node_modules')
+  await rimraf(path.join('..', '.registry'))
+  await rimraf(path.join('..', '.store'))
+
+  await install(opts)
+
+  const m = project.requireModule('needs-auth')
+
+  t.ok(typeof m === 'function', 'needs-auth() is available')
+})