added jasmine in the back

back/tests/MessageTest.ts

@@ -0,0 +1,31 @@
+import "jasmine";
+import {Message} from "../src/Model/Websocket/Message";
+
+describe("Message Model", () => {
+    it("should find userId and roomId", () => {
+        let message = JSON.stringify({userId: "test1", roomId: "test2"});
+        let messageObject = new Message(message);
+        expect(messageObject.userId).toBe("test1");
+        expect(messageObject.roomId).toBe("test2");
+    })
+
+    it("should expose a toJson method", () => {
+        let message = JSON.stringify({userId: "test1", roomId: "test2"});
+        let messageObject = new Message(message);
+        expect(messageObject.toJson()).toEqual({userId: "test1", roomId: "test2"});
+    })
+
+    it("should find throw error when no userId", () => {
+        let message = JSON.stringify({roomId: "test2"});
+        expect(() => {
+            let messageObject = new Message(message);
+        }).toThrow(new Error("userId or roomId cannot be null"));
+    })
+
+    it("should find throw error when no roomId", () => {
+        let message = JSON.stringify({userId: "test1"});
+        expect(() => {
+            let messageObject = new Message(message);
+        }).toThrow(new Error("userId or roomId cannot be null"));
+    })
+})