Class

package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo\"Error: no test specified\" && exit 1"
   },
   "repository": {
     "type": "git",

src/main.js

@@ -0,0 +1,54 @@
+//base class
+class Vehicle{
+    constructor(color,type,year){
+        this.name='Vehicle';
+        this.color =color;
+        this.type =type;
+        this.year =year;
+
+    }
+    accelerate(){
+        return this.name+"move forward";
+    }
+
+
+}
+//instatiating a car model of a vehicle
+let v = new Vehicle(red,car);
+ return "This is a " + v.red +v.name;
+
+
+
+//inheritance to class 'car' from class 'vehicle'
+class Car extends Vehicle{
+  constructor(color,type,year){
+    super();
+    this.color=color;
+    this.type=type;
+    this.year =year;
+
+}
+}
+//encapsulating the class Car into toyota
+ let toyota = new Car('red','new',2012);
+
+
+
+   class Truck extends Vehicle{
+    constructor(color,type,year){
+      super();
+      this.color=color;
+    }
+      accelerate(){
+        return this.name+"move forward";  
+        }
+
+      }
+
+let Hiace = new Truck
+
+
+
+
+
+

test/test.js

@@ -0,0 +1,18 @@
+import chai from 'chai'
+import app from '../src/main';
+let assert = chai.assert;
+
+describe('app to test as', () => {
+    let result = app();
+    it('app should return hello', () => {
+
+       assert.equal(result, 'hello')
+    });  // we put app() becos we checking for app()----goto terminal type npm run test
+
+   it('it should be a string', () => {
+        assert.typeOf(result, 'string')
+    });
+});
+
+
+