finished tests and docs

src/app/core/cache/object-cache.reducer.spec.ts

@@ -2,8 +2,11 @@ import * as deepFreeze from 'deep-freeze';
 
 import { objectCacheReducer } from './object-cache.reducer';
 import {
+  AddPatchObjectCacheAction,
   AddToObjectCacheAction,
-  RemoveFromObjectCacheAction, ResetObjectCacheTimestampsAction
+  ApplyPatchObjectCacheAction,
+  RemoveFromObjectCacheAction,
+  ResetObjectCacheTimestampsAction
 } from './object-cache.actions';
 
 class NullAction extends RemoveFromObjectCacheAction {
@@ -136,4 +139,16 @@ describe('objectCacheReducer', () => {
     objectCacheReducer(testState, action);
   });
 
+  it('should perform the ADD_PATCH action without affecting the previous state', () => {
+    const action = new AddPatchObjectCacheAction(selfLink1, [{ op: 'replace', path: '/name', value: 'random string' }]);
+    // testState has already been frozen above
+    objectCacheReducer(testState, action);
+  });
+
+  it('should perform the APPLY_PATCH action without affecting the previous state', () => {
+    const action = new ApplyPatchObjectCacheAction(selfLink1);
+    // testState has already been frozen above
+    objectCacheReducer(testState, action);
+  });
+
 });