diff --git a/backend/globalConfig.json b/backend/globalConfig.json
index ae7585862..9219d5f40 100644
--- a/backend/globalConfig.json
+++ b/backend/globalConfig.json
@@ -1 +1 @@
-{"mongoUri":"mongodb://127.0.0.1:56074/jest?","mongoDBName":"jest"}
\ No newline at end of file
+{"mongoUri":"mongodb://127.0.0.1:43943/jest?","mongoDBName":"jest"}
\ No newline at end of file
diff --git a/backend/routers/checkUser.router.test.js b/backend/routers/checkUser.router.test.js
new file mode 100644
index 000000000..98e812ec6
--- /dev/null
+++ b/backend/routers/checkUser.router.test.js
@@ -0,0 +1,84 @@
+// Mock and import User Model
+jest.mock('../models/user.model');
+const { User } = require('../models');
+
+// Import checkUser router
+const express = require('express');
+const supertest = require('supertest');
+const checkUserRouter = require('./checkUser.router');
+
+// Create a new Express application for testing
+const testapp = express();
+// express.json() is a body parser needed for POST API requests
+testapp.use(express.json());
+testapp.use('/api/checkuser', checkUserRouter);
+const request = supertest(testapp);
+
+describe('Unit tests for checkUser router', () => {
+  // Mock user for test
+  const id = '123';
+  const mockUser = {
+    id,
+    name: {
+      firstName: 'mock',
+      lastName: 'user',
+    },
+    accessLevel: 'user',
+    skillsToMatch: [],
+    projects: [],
+    textingOk: false,
+    managedProjects: [],
+    isActive: true,
+    email: 'mockuser@gmail.com',
+    currentRole: 'Product Owner',
+    desiredRole: 'Product Owner',
+    newMember: false,
+    firstAttended: 'NOV 2015',
+    createdDate: '2020-01-14T02:14:22.407Z',
+    attendanceReason: 'Civic Engagement',
+    currentProject: 'Undebate',
+  };
+
+  const auth_origin = 'test-origin';
+
+  // Clear all mocks after each test
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
+  describe('CREATE', () => {
+    it('should authenticate user with POST /api/checkuser', async (done) => {
+      // Mock Mongoose method
+      User.findOne.mockResolvedValue(mockUser);
+
+      const response = await request
+        .post('/api/checkuser')
+        .send({ email: 'mockuser@gmail.com', auth_origin });
+
+      // Tests
+      expect(User.findOne).toHaveBeenCalledWith({ email: 'mockuser@gmail.com' });
+      expect(response.status).toBe(200);
+      expect(response.body).toEqual({ user: mockUser, auth_origin: auth_origin });
+
+      // Marks completion of tests
+      done();
+    });
+  });
+
+  describe('READ', () => {
+    it('should return a user by id with GET /api/checkuser/:id', async (done) => {
+      // Mock Mongoose method
+      User.findById.mockResolvedValue(mockUser);
+
+      const response = await request.get(`/api/checkuser/${id}`);
+
+      // Tests
+      expect(User.findById).toHaveBeenCalledWith(id);
+      expect(response.status).toBe(200);
+      expect(response.body).toEqual(mockUser);
+
+      // Marks completion of tests
+      done();
+    });
+  });
+});