diff --git a/frontend/app/model/network/autehentication.service.spec.ts b/frontend/app/model/network/autehentication.service.spec.ts
index 9ce2ae65..88d20313 100644
--- a/frontend/app/model/network/autehentication.service.spec.ts
+++ b/frontend/app/model/network/autehentication.service.spec.ts
@@ -22,7 +22,7 @@ class MockUserService {
     }
 }
 
-describe('LoginService', () => {
+describe('AuthenticationService', () => {
     beforeEachProviders(() => [
         provide(UserService, {useClass: MockUserService}),
         AuthenticationService
diff --git a/frontend/app/model/network/network.service.spec.ts b/frontend/app/model/network/network.service.spec.ts
new file mode 100644
index 00000000..eccc8e59
--- /dev/null
+++ b/frontend/app/model/network/network.service.spec.ts
@@ -0,0 +1,88 @@
+///<reference path="../../../browser.d.ts"/>
+
+import {it, inject, beforeEachProviders, beforeEach, afterEach} from "@angular/core/testing";
+import {BaseRequestOptions, Http, Response, ResponseOptions} from "@angular/http";
+import {MockBackend, MockConnection} from "@angular/http/testing";
+import {provide} from "@angular/core";
+import "rxjs/Rx";
+import {NetworkService} from "./network.service";
+import {Message} from "../../../../common/entities/Message";
+
+
+describe('NetworkService', () => {
+
+    let connection:MockConnection = null;
+
+    let testUrl = "/test/url";
+    let testData = {data: "testData"};
+    let testResponse = "testResponse";
+    let testResponseMessage = new Message(null, testResponse);
+
+    beforeEachProviders(() => [
+        MockBackend,
+        BaseRequestOptions,
+        provide(Http, {
+            useFactory: (backend, options) => {
+                return new Http(backend, options);
+            }, deps: [MockBackend, BaseRequestOptions]
+        }),
+        NetworkService
+    ]);
+
+    beforeEach(inject([MockBackend], (backend) => {
+
+        backend.connections.subscribe((c) => {
+            connection = c;
+            connection.mockRespond(new Response(
+                new ResponseOptions(
+                    {
+                        body: testResponseMessage
+                    }
+                )));
+        });
+    }));
+
+    afterEach(() => {
+
+        expect(connection.request.url).toBe("/api"+testUrl);
+    });
+
+
+    it('should call GET', inject([NetworkService], (networkService) => {
+
+        networkService.getJson(testUrl).then((res:Message<any>) => {
+            expect(res.result).toBe(testResponse);
+        });
+
+    }));
+
+
+    it('should call POST', inject([NetworkService, MockBackend], (networkService) => {
+
+        networkService.postJson(testUrl, testData).then((res:Message<any>) => {
+            expect(res.result).toBe(testResponse);
+        });
+        expect(connection.request.text()).toBe(JSON.stringify(testData));
+    }));
+
+
+    it('should call PUT', inject([NetworkService, MockBackend], (networkService) => {
+
+        networkService.putJson(testUrl, testData).then((res:Message<any>) => {
+            expect(res.result).toBe(testResponse);
+        });
+
+        expect(connection.request.text()).toBe(JSON.stringify(testData));
+
+    }));
+
+
+    it('should call DELETE', inject([NetworkService, MockBackend], (networkService) => {
+
+        networkService.deleteJson(testUrl).then((res:Message<any>) => {
+            expect(res.result).toBe(testResponse);
+        });
+    }));
+
+
+});
diff --git a/frontend/app/model/network/network.service.ts b/frontend/app/model/network/network.service.ts
index 85122692..78245e38 100644
--- a/frontend/app/model/network/network.service.ts
+++ b/frontend/app/model/network/network.service.ts
@@ -1,9 +1,11 @@
 ///<reference path="../../../browser.d.ts"/>
 
+import {Injectable} from '@angular/core';
 import {Http, Headers, RequestOptions} from "@angular/http";
 import {Message} from "../../../../common/entities/Message";
-import "rxjs/Rx"; 
+import "rxjs/Rx";
 
+@Injectable()
 export class NetworkService{
 
     _baseUrl = "/api";
@@ -29,20 +31,20 @@ export class NetworkService{
             .catch(NetworkService.handleError);
     }
 
-    protected postJson<T>(url:string, data:any  = {}): Promise<T>{
+    public postJson<T>(url:string, data:any  = {}): Promise<T>{
         return this.callJson("post",url,data);
     }
 
-    protected putJson<T>(url:string, data:any  = {}): Promise<T>{
+    public putJson<T>(url:string, data:any  = {}): Promise<T>{
         return this.callJson("put",url,data);
     }
-    protected getJson<T>(url:string): Promise<T>{
+    public getJson<T>(url:string): Promise<T>{
         return this.callJson("get",url);
     }
 
 
-    protected deleteJson<T>(url:string, data:any  = {}): Promise<T>{
-        return this.callJson("delete",url,data);
+    public deleteJson<T>(url:string): Promise<T>{
+        return this.callJson("delete",url);
     }
 
     private static handleError (error: any) {