diff --git a/src/app/core/services/navigation.spec.ts b/src/app/core/services/navigation.spec.ts
new file mode 100644
index 0000000..1096ec7
--- /dev/null
+++ b/src/app/core/services/navigation.spec.ts
@@ -0,0 +1,47 @@
+import * as angular from 'angular';
+import 'angular-mocks';
+import 'angular-ui-router';
+import {xosCore} from '../index';
+import {IXosNavigationService, IXosNavigationRoute} from './navigation';
+
+let service: IXosNavigationService;
+
+const defaultRoutes: IXosNavigationRoute[] = [
+  {label: 'Home', state: 'xos.dashboard'}
+];
+
+describe('The Navigation service', () => {
+
+  beforeEach(angular.mock.module(xosCore));
+
+  beforeEach(angular.mock.inject((
+    NavigationService: IXosNavigationService,
+  ) => {
+    service = NavigationService;
+  }));
+
+  it('should return navigation routes', () => {
+    expect(service.query()).toEqual(defaultRoutes);
+  });
+
+  it('should add a route', () => {
+    const testRoutes: IXosNavigationRoute[] = [
+      {label: 'TestState', state: 'xos.test'},
+      {label: 'TestUrl', url: 'test'}
+    ];
+    service.add(testRoutes[0]);
+    service.add(testRoutes[1]);
+    expect(service.query()).toEqual(defaultRoutes.concat(testRoutes));
+  });
+
+  it('should not add route that have both url and state', () => {
+    function wrapper() {
+      service.add({
+        label: 'Fail',
+        url: 'f',
+        state: 'f'
+      });
+    }
+    expect(wrapper).toThrowError('[XosNavigation] You can\'t provide both state and url');
+  });
+});
diff --git a/src/app/core/services/navigation.ts b/src/app/core/services/navigation.ts
index 8cb3b66..04eb575 100644
--- a/src/app/core/services/navigation.ts
+++ b/src/app/core/services/navigation.ts
@@ -26,6 +26,9 @@
   }
 
   add(route: IXosNavigationRoute) {
+    if (angular.isDefined(route.state) && angular.isDefined(route.url)) {
+      throw new Error('[XosNavigation] You can\'t provide both state and url');
+    }
     this.routes.push(route);
   }
 }
diff --git a/src/app/core/services/page-title.spec.ts b/src/app/core/services/page-title.spec.ts
new file mode 100644
index 0000000..4ff2be6
--- /dev/null
+++ b/src/app/core/services/page-title.spec.ts
@@ -0,0 +1,31 @@
+import * as angular from 'angular';
+import 'angular-mocks';
+import 'angular-ui-router';
+import {xosCore} from '../index';
+import {IXosPageTitleService} from './page-title';
+import IWindowService = angular.IWindowService;
+import {StyleConfig} from '../../config/style.config';
+
+let service: IXosPageTitleService, $window: IWindowService;
+describe('The PageTitle service', () => {
+
+  beforeEach(angular.mock.module(xosCore));
+
+  beforeEach(angular.mock.inject((
+    PageTitle: IXosPageTitleService,
+    _$window_: IWindowService
+  ) => {
+    service = PageTitle;
+    $window = _$window_;
+  }));
+
+  it('should get the page title', () => {
+    $window.document.title = 'test';
+    expect(service.get()).toEqual('test');
+  });
+
+  it('should set a page title', () => {
+    service.set('sample');
+    expect($window.document.title).toEqual(`${StyleConfig.projectName} - sample`);
+  });
+});
diff --git a/src/app/core/services/page-title.ts b/src/app/core/services/page-title.ts
index 6f7e0c3..fb1e5a7 100644
--- a/src/app/core/services/page-title.ts
+++ b/src/app/core/services/page-title.ts
@@ -11,7 +11,6 @@
     private $window: angular.IWindowService,
     private $transitions: any // missing definition
   ) {
-    console.log('page title');
     this.$transitions.onSuccess({ to: '**' }, (transtion) => {
       this.set(this.formatStateName(transtion.$to().name));
     });
diff --git a/src/app/core/services/runtime-states.spec.ts b/src/app/core/services/runtime-states.spec.ts
new file mode 100644
index 0000000..5dd44db
--- /dev/null
+++ b/src/app/core/services/runtime-states.spec.ts
@@ -0,0 +1,30 @@
+import * as angular from 'angular';
+import 'angular-mocks';
+import 'angular-ui-router';
+import {xosCore} from '../index';
+import {IRuntimeStatesService} from './runtime-states';
+
+let service: IRuntimeStatesService, $state: ng.ui.IStateService;
+
+describe('The Navigation service', () => {
+
+  beforeEach(angular.mock.module(xosCore));
+
+  beforeEach(angular.mock.inject((
+    RuntimeStates: IRuntimeStatesService,
+    _$state_: ng.ui.IStateService
+  ) => {
+    service = RuntimeStates;
+    $state = _$state_;
+  }));
+
+  it('should add a state', () => {
+    service.addState('testState', {
+      url: 'test-state',
+      template: 'test-state'
+    });
+
+    expect($state.get('testState').url).toEqual('test-state');
+    expect($state.get('testState').template).toEqual('test-state');
+  });
+});