Fixes #150 - Handle missing package config

Bug fix due to recent change introduced to support package configuratio
in the manifest.

Author: jthomas

compile/packages/index.js

@@ -24,9 +24,10 @@ class OpenWhiskCompilePackages {
   }
 
   renameManifestPackages() {
-    if (!this.serverless.service.resources.packages) return;
+    const resources = this.serverless.service.resources
+    if (!resources || !resources.packages) return;
 
-    const manifestPackages = this.serverless.service.resources.packages;
+    const manifestPackages = resources.packages;
 
     Object.keys(manifestPackages).forEach(packageKey => {
       const pack = manifestPackages[packageKey];

compile/packages/tests/index.js

@@ -37,6 +37,15 @@ describe('OpenWhiskCompilePackages', () => {
   });
 
   describe('#renameManifestPackages()', () => {
+    it('should handle config without resource packages', () => {
+      openwhiskCompilePackages.serverless.service.resources = null
+      openwhiskCompilePackages.renameManifestPackages();
+      openwhiskCompilePackages.serverless.service.resources = {}
+      openwhiskCompilePackages.renameManifestPackages();
+      openwhiskCompilePackages.serverless.service.resources.packages = {}
+      openwhiskCompilePackages.renameManifestPackages();
+    })
+
     it('should rename packages with explicit names', () => {
       openwhiskCompilePackages.serverless.service.resources.packages = {
         'first' : { name: 'firstchanged', parameters: { hello: 'world first' } },