diff --git a/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useCompleteTask.test.tsx b/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useCompleteTask.test.tsx
new file mode 100644
index 000000000..889770635
--- /dev/null
+++ b/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useCompleteTask.test.tsx
@@ -0,0 +1,85 @@
+import { ReactNode } from 'react';
+import { MockedProvider, MockedResponse } from '@apollo/client/testing';
+import { act, renderHook } from '@testing-library/react';
+import gql from 'graphql-tag';
+import { RecoilRoot } from 'recoil';
+
+import { useCompleteTask } from '@/activities/tasks/hooks/useCompleteTask';
+
+const task = { id: '123', completedAt: '2024-03-15T07:33:14.212Z' };
+
+const mockedDate = task.completedAt;
+const toISOStringMock = jest.fn(() => mockedDate);
+global.Date.prototype.toISOString = toISOStringMock;
+
+const mocks: MockedResponse[] = [
+  {
+    request: {
+      query: gql`
+        mutation UpdateOneActivity(
+          $idToUpdate: ID!
+          $input: ActivityUpdateInput!
+        ) {
+          updateActivity(id: $idToUpdate, data: $input) {
+            __typename
+            createdAt
+            reminderAt
+            authorId
+            title
+            completedAt
+            updatedAt
+            body
+            dueAt
+            type
+            id
+            assigneeId
+          }
+        }
+      `,
+      variables: {
+        idToUpdate: task.id,
+        input: { completedAt: task.completedAt },
+      },
+    },
+    result: jest.fn(() => ({
+      data: {
+        updateActivity: {
+          __typename: 'Activity',
+          createdAt: '2024-03-15T07:33:14.212Z',
+          reminderAt: null,
+          authorId: '123',
+          title: 'Test',
+          completedAt: '2024-03-15T07:33:14.212Z',
+          updatedAt: '2024-03-15T07:33:14.212Z',
+          body: 'Test',
+          dueAt: '2024-03-15T07:33:14.212Z',
+          type: 'Task',
+          id: '123',
+          assigneeId: '123',
+        },
+      },
+    })),
+  },
+];
+
+const Wrapper = ({ children }: { children: ReactNode }) => (
+  <RecoilRoot>
+    <MockedProvider mocks={mocks} addTypename={false}>
+      {children}
+    </MockedProvider>
+  </RecoilRoot>
+);
+
+describe('useCompleteTask', () => {
+  it('should complete task', async () => {
+    const { result } = renderHook(() => useCompleteTask(task), {
+      wrapper: Wrapper,
+    });
+
+    await act(async () => {
+      await result.current.completeTask(true);
+    });
+
+    expect(mocks[0].result).toHaveBeenCalled();
+  });
+});
diff --git a/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useCurrentUserTaskCount.test.tsx b/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useCurrentUserTaskCount.test.tsx
new file mode 100644
index 000000000..7d035958c
--- /dev/null
+++ b/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useCurrentUserTaskCount.test.tsx
@@ -0,0 +1,31 @@
+import { ReactNode } from 'react';
+import { renderHook } from '@testing-library/react';
+import { RecoilRoot } from 'recoil';
+
+import { useCurrentUserTaskCount } from '@/activities/tasks/hooks/useCurrentUserDueTaskCount';
+import { useFindManyRecords } from '@/object-record/hooks/useFindManyRecords';
+import { mockedActivities } from '~/testing/mock-data/activities';
+
+const useFindManyRecordsMock = jest.fn(() => ({
+  records: [...mockedActivities, { id: '2' }],
+}));
+
+jest.mock('@/object-record/hooks/useFindManyRecords', () => ({
+  useFindManyRecords: jest.fn(),
+}));
+
+(useFindManyRecords as jest.Mock).mockImplementation(useFindManyRecordsMock);
+
+const Wrapper = ({ children }: { children: ReactNode }) => (
+  <RecoilRoot>{children}</RecoilRoot>
+);
+
+describe('useCurrentUserTaskCount', () => {
+  it('should return the current user task count', async () => {
+    const { result } = renderHook(() => useCurrentUserTaskCount(), {
+      wrapper: Wrapper,
+    });
+
+    expect(result.current.currentUserDueTaskCount).toBe(1);
+  });
+});
diff --git a/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useTasks.test.tsx b/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useTasks.test.tsx
new file mode 100644
index 000000000..c7171a76a
--- /dev/null
+++ b/packages/twenty-front/src/modules/activities/tasks/hooks/__tests__/useTasks.test.tsx
@@ -0,0 +1,85 @@
+import { ReactNode } from 'react';
+import { renderHook } from '@testing-library/react';
+import { RecoilRoot } from 'recoil';
+
+import { useActivities } from '@/activities/hooks/useActivities';
+import { useTasks } from '@/activities/tasks/hooks/useTasks';
+import { ObjectFilterDropdownScope } from '@/object-record/object-filter-dropdown/scopes/ObjectFilterDropdownScope';
+
+const completedTasks = [
+  {
+    id: '1',
+    completedAt: '2024-03-15T07:33:14.212Z',
+  },
+  {
+    id: '2',
+    completedAt: '2024-03-15T07:33:14.212Z',
+  },
+  {
+    id: '3',
+    completedAt: '2024-03-15T07:33:14.212Z',
+  },
+];
+
+const unscheduledTasks = [
+  {
+    id: '4',
+  },
+];
+
+const todayOrPreviousTasks = [
+  {
+    id: '5',
+    dueAt: '2024-03-15T07:33:14.212Z',
+  },
+  {
+    id: '6',
+    dueAt: '2024-03-15T07:33:14.212Z',
+  },
+];
+
+const useActivitiesMock = jest.fn(
+  ({
+    activitiesFilters,
+  }: {
+    activitiesFilters: { completedAt: { is: 'NULL' | 'NOT_NULL' } };
+  }) => {
+    const isCompletedFilter = activitiesFilters.completedAt.is === 'NOT_NULL';
+    return {
+      activities: isCompletedFilter
+        ? completedTasks
+        : [...todayOrPreviousTasks, ...unscheduledTasks],
+      initialized: true,
+    };
+  },
+);
+
+jest.mock('@/activities/hooks/useActivities', () => ({
+  useActivities: jest.fn(),
+}));
+
+(useActivities as jest.Mock).mockImplementation(useActivitiesMock);
+
+const Wrapper = ({ children }: { children: ReactNode }) => (
+  <RecoilRoot>
+    <ObjectFilterDropdownScope filterScopeId="entity-tasks-filter-scope">
+      {children}
+    </ObjectFilterDropdownScope>
+  </RecoilRoot>
+);
+
+describe('useTasks', () => {
+  it("should return a user's tasks", () => {
+    const { result } = renderHook(() => useTasks({ targetableObjects: [] }), {
+      wrapper: Wrapper,
+    });
+
+    expect(result.current).toEqual({
+      todayOrPreviousTasks,
+      upcomingTasks: [],
+      unscheduledTasks,
+      completedTasks,
+      initialized: true,
+    });
+  });
+});