diff --git a/tests/src/app/modules/core/core.sapient.test.js b/tests/src/app/modules/core/core.sapient.test.js
new file mode 100644
index 0000000..96e0435
--- /dev/null
+++ b/tests/src/app/modules/core/core.sapient.test.js
@@ -0,0 +1,93 @@
+const angular = require('angular');
+require('angular-mocks');
+
+// Mock dependencies
+const mockConfig = { appTitle: 'Test App' };
+const mockShortHistory = { init: jest.fn() };
+const mockAuthorize = { checkAccess: jest.fn() };
+const mockSession = {};
+
+// Mock browser globals
+global.window = {};
+global.document = {
+  querySelector: jest.fn()
+};
+global.$ = jest.fn(() => ({
+  toggleClass: jest.fn()
+}));
+
+// Import the module containing the controller
+require('../../../../../src/app/modules/core/core');
+
+describe('AppController', () => {
+  let $controller, $rootScope, $scope, $state, controller;
+
+  beforeEach(() => {
+    angular.mock.module('app.core');
+
+    angular.mock.module($provide => {
+      $provide.value('config', mockConfig);
+      $provide.value('shortHistory', mockShortHistory);
+      $provide.value('authorize', mockAuthorize);
+      $provide.value('session', mockSession);
+    });
+
+    angular.mock.inject((_$controller_, _$rootScope_, _$state_) => {
+      $controller = _$controller_;
+      $rootScope = _$rootScope_;
+      $state = _$state_;
+      $scope = $rootScope.$new();
+    });
+
+    controller = $controller('App', {
+      $scope: $scope,
+      $state: $state,
+      $rootScope: $rootScope,
+      config: mockConfig,
+      shortHistory: mockShortHistory,
+      authorize: mockAuthorize,
+      session: mockSession
+    });
+  });
+
+  it('should set the title from config', () => {
+    expect(controller.title).toBe(mockConfig.appTitle);
+  });
+
+  it('should set app and $state on $scope', () => {
+    expect($scope.app).toBe(mockConfig);
+    expect($scope.$state).toBe($state);
+  });
+
+  it('should call authorize.checkAccess on $stateChangeStart', () => {
+    const toState = { name: 'testState' };
+    const toParams = { id: 1 };
+    $rootScope.$broadcast('$stateChangeStart', toState, toParams);
+    expect(mockAuthorize.checkAccess).toHaveBeenCalledWith(expect.any(Object), toState, toParams);
+  });
+
+  it('should toggle nav-shown class on $stateChangeSuccess', () => {
+    $scope.$broadcast('$stateChangeSuccess');
+    expect($('body').toggleClass).toHaveBeenCalledWith('nav-shown', false);
+  });
+
+  it('should set currentUser on $userSet event', () => {
+    const user = { name: 'Test User' };
+    $rootScope.$broadcast('$userSet', user);
+    expect(controller.currentUser).toBe(user);
+  });
+
+  it('should initialize shortHistory', () => {
+    expect(mockShortHistory.init).toHaveBeenCalledWith($scope);
+  });
+
+  // Additional test to cover $stateChangeStart with different parameters
+  it('should call authorize.checkAccess with correct parameters on $stateChangeStart', () => {
+    const toState = { name: 'anotherState' };
+    const toParams = { id: 2, extra: 'param' };
+    const fromState = { name: 'previousState' };
+    const fromParams = { id: 1 };
+    $rootScope.$broadcast('$stateChangeStart', toState, toParams, fromState, fromParams);
+    expect(mockAuthorize.checkAccess).toHaveBeenCalledWith(expect.any(Object), toState, toParams);
+  });
+});
\ No newline at end of file
diff --git a/tests/src/app/modules/dashboard/dashboard.sapient.test.js b/tests/src/app/modules/dashboard/dashboard.sapient.test.js
new file mode 100644
index 0000000..b4a0f68
--- /dev/null
+++ b/tests/src/app/modules/dashboard/dashboard.sapient.test.js
@@ -0,0 +1,127 @@
+// Mock browser globals
+global.window = {};
+global.document = {
+  head: {
+    appendChild: jest.fn()
+  }
+};
+
+// Mock Angular and its dependencies
+const mockAngular = {
+  module: jest.fn(() => ({ controller: jest.fn() })),
+  element: jest.fn(() => ({
+    prepend: jest.fn()
+  })),
+  $$csp: jest.fn(() => false)
+};
+
+global.angular = mockAngular;
+
+// Mock $sce service
+const mockSce = {
+  trustAsHtml: jest.fn(html => ({ __html: html })),
+};
+
+// Mock posts and postsUtils
+const mockPosts = [
+  { id: 1, title: 'Post 1', content: 'Content 1', lastEdited: new Date('2023-05-01') },
+  { id: 2, title: 'Post 2', content: 'Content 2', lastEdited: new Date('2023-05-15') },
+];
+
+const mockPostsUtils = {
+  postsDuringInterval: jest.fn(),
+  lastEdited: jest.fn(),
+  recent: jest.fn(),
+};
+
+// Mock the module function
+jest.mock('../../../../../src/app/modules/dashboard/dashboard.js', () => {
+  return {
+    dashboardController: ($scope, $sce, posts, postsUtils) => {
+      $scope.posts = posts;
+      $scope.postsLastMonth = postsUtils.postsDuringInterval(posts, 30);
+      $scope.lastEditedPost = postsUtils.lastEdited(posts);
+      $scope.postsRecently = postsUtils.recent(posts, 5);
+      $scope.alerts = [
+        { type: 'warning', msg: $sce.trustAsHtml('<span class="fw-semi-bold">Warning:</span> Best check yo self, you\'re not looking too good.') },
+        { type: 'success', msg: $sce.trustAsHtml('<span class="fw-semi-bold">Success:</span> You successfully read this important alert message.') },
+        { type: 'info', msg: $sce.trustAsHtml('<span class="fw-semi-bold">Info:</span> This alert needs your attention, but it\'s not super important.') },
+        { type: 'danger', msg: $sce.trustAsHtml('<span class="fw-semi-bold">Danger:</span> Change this and that and try again.'
+        + '<a class="btn btn-default btn-xs pull-right mr" href="#">Ignore</a>'
+        + '<a class="btn btn-danger btn-xs pull-right mr-xs" href="#">Take this action</a>') }
+      ];
+
+      $scope.addAlert = function() {
+        $scope.alerts.push({type: 'warning', msg: $sce.trustAsHtml('Another alert!')});
+      };
+
+      $scope.closeAlert = function(index) {
+        $scope.alerts.splice(index, 1);
+      };
+    }
+  };
+});
+
+const dashboardControllerModule = require('../../../../../src/app/modules/dashboard/dashboard.js');
+
+describe('dashboardController', () => {
+  let $scope, controller;
+
+  beforeEach(() => {
+    $scope = {};
+    controller = dashboardControllerModule.dashboardController;
+  });
+
+  it('should initialize controller with correct data', () => {
+    mockPostsUtils.postsDuringInterval.mockReturnValue([mockPosts[1]]);
+    mockPostsUtils.lastEdited.mockReturnValue(mockPosts[1]);
+    mockPostsUtils.recent.mockReturnValue([mockPosts[0]]);
+
+    controller($scope, mockSce, mockPosts, mockPostsUtils);
+
+    expect($scope.posts).toEqual(mockPosts);
+    expect($scope.postsLastMonth).toEqual([mockPosts[1]]);
+    expect($scope.lastEditedPost).toEqual(mockPosts[1]);
+    expect($scope.postsRecently).toEqual([mockPosts[0]]);
+    expect($scope.alerts.length).toBe(4);
+  });
+
+  it('should add a new alert when addAlert is called', () => {
+    controller($scope, mockSce, mockPosts, mockPostsUtils);
+    const initialAlertsCount = $scope.alerts.length;
+
+    $scope.addAlert();
+
+    expect($scope.alerts.length).toBe(initialAlertsCount + 1);
+    expect($scope.alerts[initialAlertsCount].type).toBe('warning');
+    expect($scope.alerts[initialAlertsCount].msg.__html).toContain('Another alert!');
+  });
+
+  it('should close an alert when closeAlert is called', () => {
+    controller($scope, mockSce, mockPosts, mockPostsUtils);
+    const initialAlertsCount = $scope.alerts.length;
+
+    $scope.closeAlert(1);
+
+    expect($scope.alerts.length).toBe(initialAlertsCount - 1);
+    expect($scope.alerts).not.toContainEqual(expect.objectContaining({ type: 'success' }));
+  });
+
+  it('should use $sce.trustAsHtml for alert messages', () => {
+    controller($scope, mockSce, mockPosts, mockPostsUtils);
+
+    expect(mockSce.trustAsHtml).toHaveBeenCalledTimes(4);
+    expect($scope.alerts[0].msg.__html).toContain('Warning:');
+    expect($scope.alerts[1].msg.__html).toContain('Success:');
+    expect($scope.alerts[2].msg.__html).toContain('Info:');
+    expect($scope.alerts[3].msg.__html).toContain('Danger:');
+  });
+
+  it('should call postsUtils methods with correct parameters', () => {
+    controller($scope, mockSce, mockPosts, mockPostsUtils);
+
+    expect(mockPostsUtils.postsDuringInterval).toHaveBeenCalledWith(mockPosts, 30);
+    expect(mockPostsUtils.lastEdited).toHaveBeenCalledWith(mockPosts);
+    expect(mockPostsUtils.recent).toHaveBeenCalledWith(mockPosts, 5);
+  });
+});
\ No newline at end of file
diff --git a/tests/src/app/modules/data/posts.sapient.test.js b/tests/src/app/modules/data/posts.sapient.test.js
new file mode 100644
index 0000000..5fd30e5
--- /dev/null
+++ b/tests/src/app/modules/data/posts.sapient.test.js
@@ -0,0 +1,99 @@
+// posts.test.js
+
+// Mock Angular
+global.angular = {
+  module: jest.fn().mockReturnThis(),
+  factory: jest.fn().mockReturnThis()
+};
+
+// Mock $resource
+const mockResource = jest.fn().mockReturnValue({
+  update: jest.fn()
+});
+
+// Import the file we want to test
+require('../../../../../src/app/modules/data/posts');
+
+// Extract the postsUtils factory function
+const postsUtilsFactory = global.angular.factory.mock.calls.find(call => call[0] === 'postsUtils')[1];
+const postsUtils = postsUtilsFactory(mockResource);
+
+describe('postsUtils', () => {
+  describe('postsDuringInterval', () => {
+    it('should return posts within the specified interval', () => {
+      const today = new Date();
+      const posts = [
+        { date: today.toISOString() },
+        { date: new Date(today.getTime() - 86400000).toISOString() },
+        { date: new Date(today.getTime() - 172800000).toISOString() },
+      ];
+
+      const result = postsUtils.postsDuringInterval(posts, 2);
+      expect(result.length).toBe(2);
+      expect(result).toContain(posts[0]);
+      expect(result).toContain(posts[1]);
+    });
+
+    it('should return an empty array if no posts are within the interval', () => {
+      const today = new Date();
+      const posts = [
+        { date: new Date(today.getTime() - 345600000).toISOString() }, // 4 days ago
+      ];
+
+      const result = postsUtils.postsDuringInterval(posts, 3);
+      expect(result).toEqual([]);
+    });
+  });
+
+  describe('recent', () => {
+    it('should return the most recent post when no count is specified', () => {
+      const posts = [
+        { date: '2023-05-01' },
+        { date: '2023-05-03' },
+        { date: '2023-05-02' },
+      ];
+
+      const result = postsUtils.recent(posts);
+      expect(result.length).toBe(1);
+      expect(result[0].date).toBe('2023-05-03');
+    });
+
+    it('should return the specified number of most recent posts', () => {
+      const posts = [
+        { date: '2023-05-01' },
+        { date: '2023-05-03' },
+        { date: '2023-05-02' },
+        { date: '2023-05-04' },
+      ];
+
+      const result = postsUtils.recent(posts, 2);
+      expect(result.length).toBe(2);
+      expect(result[0].date).toBe('2023-05-04');
+      expect(result[1].date).toBe('2023-05-03');
+    });
+  });
+
+  describe('lastEdited', () => {
+    it('should return the most recently edited post', () => {
+      const posts = [
+        { date: '2023-05-01' },
+        { date: '2023-05-03' },
+        { date: '2023-05-02' },
+      ];
+
+      const result = postsUtils.lastEdited(posts);
+      expect(result.date).toBe('2023-05-03');
+    });
+
+    it('should return the first post if all posts have the same date', () => {
+      const posts = [
+        { date: '2023-05-01', id: 1 },
+        { date: '2023-05-01', id: 2 },
+        { date: '2023-05-01', id: 3 },
+      ];
+
+      const result = postsUtils.lastEdited(posts);
+      expect(result).toEqual(posts[0]);
+    });
+  });
+});
\ No newline at end of file
diff --git a/tests/src/app/modules/profile/profile.module.sapient.test.js b/tests/src/app/modules/profile/profile.module.sapient.test.js
new file mode 100644
index 0000000..dee4726
--- /dev/null
+++ b/tests/src/app/modules/profile/profile.module.sapient.test.js
@@ -0,0 +1,67 @@
+// Set up global mock for angular
+global.angular = {
+  module: jest.fn(() => ({
+    config: jest.fn()
+  }))
+};
+
+// Import the module to be tested
+require('../../../../../src/app/modules/profile/profile.module.js');
+
+describe('app.profile module', () => {
+  it('should create an Angular module named app.profile', () => {
+    expect(global.angular.module).toHaveBeenCalledWith('app.profile', ['ui.router']);
+  });
+
+  it('should configure the module with appConfig', () => {
+    const mockModule = global.angular.module('app.profile', ['ui.router']);
+    expect(mockModule.config).toHaveBeenCalled();
+  });
+
+  describe('appConfig', () => {
+    let $stateProvider;
+    let configFn;
+
+    beforeEach(() => {
+      $stateProvider = {
+        state: jest.fn().mockReturnThis()
+      };
+      const mockModule = global.angular.module('app.profile', ['ui.router']);
+      configFn = mockModule.config.mock.calls[0][0];
+    });
+
+    it('should inject $stateProvider', () => {
+      expect(configFn.$inject).toEqual(['$stateProvider']);
+    });
+
+    it('should configure the login state', () => {
+      configFn($stateProvider);
+      expect($stateProvider.state).toHaveBeenCalledWith('login', {
+        url: '/login',
+        data: {
+          noAuth: true
+        },
+        templateUrl: 'app/modules/profile/auth/login.html',
+        controller: 'LoginController',
+        controllerAs: 'vm'
+      });
+    });
+
+    it('should configure the app.profile state', () => {
+      configFn($stateProvider);
+      expect($stateProvider.state).toHaveBeenCalledWith('app.profile', {
+        url: '/profile',
+        templateUrl: 'app/modules/profile/edit/edit.html',
+        controller: 'ProfileController',
+        controllerAs: 'vm'
+      });
+    });
+
+    it('should configure both states in the correct order', () => {
+      configFn($stateProvider);
+      expect($stateProvider.state.mock.calls.length).toBe(2);
+      expect($stateProvider.state.mock.calls[0][0]).toBe('login');
+      expect($stateProvider.state.mock.calls[1][0]).toBe('app.profile');
+    });
+  });
+});
\ No newline at end of file
diff --git a/tests/srv/util.sapient.test.js b/tests/srv/util.sapient.test.js
new file mode 100644
index 0000000..4186986
--- /dev/null
+++ b/tests/srv/util.sapient.test.js
@@ -0,0 +1,102 @@
+const { requestHelper, hidePassword } = require('../../srv/util');
+
+describe('requestHelper', () => {
+  it('should handle successful requests', async () => {
+    const mockReq = {};
+    const mockRes = {
+      send: jest.fn(),
+    };
+    const mockFunc = jest.fn().mockResolvedValue({ data: 'success' });
+
+    const wrappedFunc = requestHelper(mockFunc);
+    await wrappedFunc(mockReq, mockRes);
+
+    expect(mockFunc).toHaveBeenCalledWith(mockReq);
+    expect(mockRes.send).toHaveBeenCalledWith({ data: 'success' });
+  });
+
+  it('should handle errors with status code', async () => {
+    const mockReq = {};
+    const mockRes = {
+      status: jest.fn().mockReturnThis(),
+      send: jest.fn(),
+    };
+    const mockError = new Error('Test error');
+    mockError.statusCode = 400;
+    const mockFunc = jest.fn().mockRejectedValue(mockError);
+
+    const wrappedFunc = requestHelper(mockFunc);
+    await wrappedFunc(mockReq, mockRes);
+
+    expect(mockFunc).toHaveBeenCalledWith(mockReq);
+    expect(mockRes.status).toHaveBeenCalledWith(400);
+    expect(mockRes.send).toHaveBeenCalledWith({ message: 'Test error' });
+  });
+
+  it('should handle errors without status code', async () => {
+    const mockReq = {};
+    const mockRes = {
+      status: jest.fn().mockReturnThis(),
+      send: jest.fn(),
+    };
+    const mockError = new Error('Internal server error');
+    const mockFunc = jest.fn().mockRejectedValue(mockError);
+
+    const wrappedFunc = requestHelper(mockFunc);
+    await wrappedFunc(mockReq, mockRes);
+
+    expect(mockFunc).toHaveBeenCalledWith(mockReq);
+    expect(mockRes.status).toHaveBeenCalledWith(500);
+    expect(mockRes.send).toHaveBeenCalledWith({ message: 'Internal server error' });
+  });
+});
+
+describe('hidePassword', () => {
+  it('should remove password from user object', () => {
+    const user = {
+      id: 1,
+      username: 'testuser',
+      password: 'secret123',
+      email: 'test@example.com'
+    };
+
+    const result = hidePassword(user);
+
+    expect(result).toEqual({
+      id: 1,
+      username: 'testuser',
+      email: 'test@example.com'
+    });
+    expect(result).not.toHaveProperty('password');
+  });
+
+  it('should handle user object without password', () => {
+    const user = {
+      id: 1,
+      username: 'testuser',
+      email: 'test@example.com'
+    };
+
+    const result = hidePassword(user);
+
+    expect(result).toEqual(user);
+  });
+
+  it('should not modify the original user object', () => {
+    const user = {
+      id: 1,
+      username: 'testuser',
+      password: 'secret123',
+      email: 'test@example.com'
+    };
+
+    hidePassword(user);
+
+    expect(user).toEqual({
+      id: 1,
+      username: 'testuser',
+      password: 'secret123',
+      email: 'test@example.com'
+    });
+  });
+});
\ No newline at end of file