diff --git a/src/notification-preferences/data/constants.js b/src/notification-preferences/data/constants.js
index 2de2e43..65247d1 100644
--- a/src/notification-preferences/data/constants.js
+++ b/src/notification-preferences/data/constants.js
@@ -5,3 +5,14 @@ export const EMAIL_CADENCE_PREFERENCES = {
 export const EMAIL_CADENCE = 'email_cadence';
 export const EMAIL = 'email';
 export const MIXED = 'Mixed';
+export const RequestStatus = /** @type {const} */ ({
+  IN_PROGRESS: 'in-progress',
+  SUCCESSFUL: 'successful',
+  FAILED: 'failed',
+  DENIED: 'denied',
+  PENDING: 'pending',
+  CLEAR: 'clear',
+  PARTIAL: 'partial',
+  PARTIAL_FAILURE: 'partial failure',
+  NOT_FOUND: 'not-found',
+});
diff --git a/src/notification-preferences/data/thunk.test.js b/src/notification-preferences/data/thunk.test.js
new file mode 100644
index 0000000..2b23e40
--- /dev/null
+++ b/src/notification-preferences/data/thunk.test.js
@@ -0,0 +1,150 @@
+import { updatePreferenceToggle } from './thunks';
+import {
+  updatePreferenceValue,
+  fetchNotificationPreferenceSuccess,
+  fetchNotificationPreferenceFailed,
+} from './actions';
+import { patchPreferenceToggle, postPreferenceToggle } from './service';
+import { EMAIL } from './constants';
+
+jest.mock('./service', () => ({
+  patchPreferenceToggle: jest.fn(),
+  postPreferenceToggle: jest.fn(),
+}));
+
+jest.mock('./actions', () => ({
+  updatePreferenceValue: jest.fn(),
+  fetchNotificationPreferenceSuccess: jest.fn(),
+  fetchNotificationPreferenceFailed: jest.fn(),
+}));
+
+describe('updatePreferenceToggle', () => {
+  const dispatch = jest.fn();
+  const courseId = 'course-v1:edX+DemoX+2023';
+  const notificationApp = 'app';
+  const notificationType = 'type';
+  const notificationChannel = 'channel';
+  const value = true;
+  const emailCadence = 'daily';
+
+  const mockData = {
+    updated_value: false,
+    notification_type: 'ora_grade_assigned',
+    channel: 'email',
+    app: 'grading',
+    successfully_updated_courses: [
+      {
+        course_id: 'course-v1:ACCA+ColSid+1T2024',
+        current_setting: {
+          web: false,
+          push: false,
+          email: false,
+          email_cadence: 'Weekly',
+        },
+      },
+      {
+        course_id: 'course-v1:arbisoft_acca+cs1023+2021_T4',
+        current_setting: {
+          web: false,
+          push: false,
+          email: false,
+          email_cadence: 'Weekly',
+        },
+      },
+    ],
+    total_updated: 2,
+    total_courses: 2,
+  };
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('should update preference for a course-specific notification', async () => {
+    patchPreferenceToggle.mockResolvedValue({ data: mockData });
+    await updatePreferenceToggle(
+      courseId,
+      notificationApp,
+      notificationType,
+      notificationChannel,
+      value,
+      emailCadence,
+    )(dispatch);
+
+    expect(dispatch).toHaveBeenCalledWith(updatePreferenceValue(
+      notificationApp,
+      notificationType,
+      notificationChannel,
+      !value,
+    ));
+    expect(patchPreferenceToggle).toHaveBeenCalledWith(
+      courseId,
+      notificationApp,
+      notificationType,
+      notificationChannel,
+      value,
+    );
+    expect(dispatch).toHaveBeenCalledWith(fetchNotificationPreferenceSuccess(courseId, { data: mockData }, false));
+  });
+
+  it('should update preference globally when courseId is not provided', async () => {
+    postPreferenceToggle.mockResolvedValue({ data: mockData });
+    await updatePreferenceToggle(
+      null,
+      notificationApp,
+      notificationType,
+      notificationChannel,
+      value,
+      emailCadence,
+    )(dispatch);
+
+    expect(dispatch).toHaveBeenCalledWith(updatePreferenceValue(
+      notificationApp,
+      notificationType,
+      notificationChannel,
+      !value,
+    ));
+    expect(postPreferenceToggle).toHaveBeenCalledWith(
+      notificationApp,
+      notificationType,
+      notificationChannel,
+      value,
+      emailCadence,
+    );
+    expect(dispatch).toHaveBeenCalledWith(fetchNotificationPreferenceSuccess(null, { data: mockData }, true));
+  });
+
+  it('should handle email preferences separately', async () => {
+    patchPreferenceToggle.mockResolvedValue({ data: mockData });
+    await updatePreferenceToggle(courseId, notificationApp, notificationType, EMAIL, value, emailCadence)(dispatch);
+
+    expect(patchPreferenceToggle).toHaveBeenCalledWith(
+      courseId,
+      notificationApp,
+      notificationType,
+      EMAIL,
+      true,
+    );
+    expect(dispatch).toHaveBeenCalledWith(fetchNotificationPreferenceSuccess(courseId, { data: mockData }, false));
+  });
+
+  it('should dispatch fetchNotificationPreferenceFailed on error', async () => {
+    patchPreferenceToggle.mockRejectedValue(new Error('Network Error'));
+    await updatePreferenceToggle(
+      courseId,
+      notificationApp,
+      notificationType,
+      notificationChannel,
+      value,
+      emailCadence,
+    )(dispatch);
+
+    expect(dispatch).toHaveBeenCalledWith(updatePreferenceValue(
+      notificationApp,
+      notificationType,
+      notificationChannel,
+      !value,
+    ));
+    expect(dispatch).toHaveBeenCalledWith(fetchNotificationPreferenceFailed());
+  });
+});