To Build and Run
npm install
ng serve

To Run Unit Test
ng test

To check adming feature use below login credentials:
user name: admin password: admin

To check features of non admin user login use one of below credentails:
user name: user1 , password: user1p
user name: user2 password: user2p

Admin Features :

1. Add Post
   
2. Delete Post
   
3. View User Responses like no. of upvote and no. of downvote

User Features:

1. View Post's
   
2. Up Vote and Down Vote
   

Click here For Live Demo

Flow Chart