diff --git a/server/__tests__/videoCall/videoCall.controller.test.ts b/server/__tests__/videoCall/videoCall.controller.test.ts
new file mode 100644
index 0000000..93d2bd6
--- /dev/null
+++ b/server/__tests__/videoCall/videoCall.controller.test.ts
@@ -0,0 +1,212 @@
+import { describe, it, expect, beforeEach, jest } from "@jest/globals";
+import { VideoCallController } from "../../src/controllers/videoCall.controller.js";
+import { NextFunction, Response } from "express";
+
+type MockResponse = {
+  status: jest.Mock;
+  json: jest.Mock;
+  sendStatus: jest.Mock;
+};
+
+type MockRequest = {
+  body?: Record<string, unknown>;
+  params?: Record<string, string>;
+  auth?: {
+    userId?: string;
+    role?: string;
+  };
+};
+
+const mockVideoCallService = {
+  startCall: jest.fn<() => Promise<unknown>>(),
+  incomingCall: jest.fn<() => Promise<unknown>>(),
+  acceptCall: jest.fn<() => Promise<unknown>>(),
+  declineCall: jest.fn<() => Promise<unknown>>(),
+  endCall: jest.fn<() => Promise<unknown>>(),
+};
+
+describe("VideoCallController", () => {
+  let controller: VideoCallController;
+  let mockResponse: MockResponse;
+  let mockNext: NextFunction;
+
+  beforeEach(() => {
+    controller = new VideoCallController(
+      mockVideoCallService as unknown as VideoCallController["videoCallService"],
+    );
+    mockResponse = {
+      status: jest.fn().mockReturnThis(),
+      json: jest.fn().mockReturnThis(),
+      sendStatus: jest.fn().mockReturnThis(),
+    };
+    mockNext = jest.fn();
+    jest.clearAllMocks();
+  });
+
+  describe("startVideoCallController", () => {
+    it("should start video call successfully", async () => {
+      const req: MockRequest = {
+        body: {
+          teacherId: "t1",
+          studentId: "s1",
+          streamCallId: "stream1",
+          expiresAt: new Date(),
+        },
+        auth: { userId: "t1", role: "teacher" },
+      };
+
+      const mockCall = { id: "call1", status: "ringing" };
+      mockVideoCallService.startCall.mockResolvedValue(mockCall);
+
+      await controller.startVideoCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+
+      expect(mockResponse.status).toHaveBeenCalledWith(201);
+      expect(mockResponse.json).toHaveBeenCalledWith(mockCall);
+    });
+
+    it("should return 401 if no auth", async () => {
+      const req: MockRequest = { body: {}, auth: undefined };
+      await controller.startVideoCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+      expect(mockResponse.sendStatus).toHaveBeenCalledWith(401);
+    });
+
+    it("should return 403 for invalid role", async () => {
+      const req: MockRequest = {
+        body: {},
+        auth: { userId: "u1", role: "admin" },
+      };
+      await controller.startVideoCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+      expect(mockResponse.sendStatus).toHaveBeenCalledWith(403);
+    });
+  });
+
+  describe("incomingCallController", () => {
+    it("should get incoming call for student", async () => {
+      const req: MockRequest = { auth: { userId: "s1", role: "student" } };
+      const mockCall = { id: "call1", status: "ringing" };
+      mockVideoCallService.incomingCall.mockResolvedValue(mockCall);
+
+      await controller.incomingCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+
+      expect(mockResponse.status).toHaveBeenCalledWith(200);
+      expect(mockResponse.json).toHaveBeenCalledWith(mockCall);
+    });
+
+    it("should return 403 for invalid role", async () => {
+      const req: MockRequest = { auth: { userId: "u1", role: "admin" } };
+      await controller.incomingCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+      expect(mockResponse.status).toHaveBeenCalledWith(403);
+    });
+  });
+
+  describe("acceptCallController", () => {
+    it("should accept call successfully", async () => {
+      const req: MockRequest = {
+        params: { callId: "call1" },
+        auth: { userId: "s1", role: "student" },
+      };
+      const mockCall = { id: "call1", status: "accepted" };
+      mockVideoCallService.acceptCall.mockResolvedValue(mockCall);
+
+      await controller.acceptCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+
+      expect(mockResponse.status).toHaveBeenCalledWith(200);
+      expect(mockResponse.json).toHaveBeenCalledWith(mockCall);
+    });
+
+    it("should return 404 if call not found", async () => {
+      const req: MockRequest = {
+        params: { callId: "call1" },
+        auth: { userId: "s1", role: "student" },
+      };
+      mockVideoCallService.acceptCall.mockResolvedValue(null);
+
+      await controller.acceptCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+      expect(mockResponse.status).toHaveBeenCalledWith(404);
+    });
+  });
+
+  describe("declineCallController", () => {
+    it("should decline call successfully", async () => {
+      const req: MockRequest = {
+        params: { callId: "call1" },
+        auth: { userId: "s1", role: "student" },
+      };
+      const mockCall = { id: "call1", status: "declined" };
+      mockVideoCallService.declineCall.mockResolvedValue(mockCall);
+
+      await controller.declineCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+
+      expect(mockResponse.status).toHaveBeenCalledWith(200);
+      expect(mockResponse.json).toHaveBeenCalledWith(mockCall);
+    });
+  });
+
+  describe("endCallController", () => {
+    it("should end call successfully", async () => {
+      const req: MockRequest = {
+        params: { callId: "call1" },
+        auth: { userId: "t1", role: "teacher" },
+      };
+      const mockCall = { id: "call1", status: "ended" };
+      mockVideoCallService.endCall.mockResolvedValue(mockCall);
+
+      await controller.endCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+
+      expect(mockResponse.status).toHaveBeenCalledWith(200);
+      expect(mockResponse.json).toHaveBeenCalledWith(mockCall);
+    });
+
+    it("should handle service errors", async () => {
+      const req: MockRequest = {
+        params: { callId: "call1" },
+        auth: { userId: "t1" },
+      };
+      const error = new Error("Service error");
+      mockVideoCallService.endCall.mockRejectedValue(error);
+
+      await controller.endCallController(
+        req as never,
+        mockResponse as unknown as Response,
+        mockNext,
+      );
+      expect(mockNext).toHaveBeenCalledWith(error);
+    });
+  });
+});
diff --git a/server/__tests__/videoCall/videoCall.service.test.ts b/server/__tests__/videoCall/videoCall.service.test.ts
new file mode 100644
index 0000000..4633252
--- /dev/null
+++ b/server/__tests__/videoCall/videoCall.service.test.ts
@@ -0,0 +1,159 @@
+import { describe, it, expect, beforeEach, jest } from "@jest/globals";
+import { VideoCallService } from "../../src/services/video/videoCall.service.js";
+import { VideoCallCommand } from "../../src/repositories/commandRepositories/videoCall.command.js";
+import { VideoCallQuery } from "../../src/repositories/queryRepositories/videoCall.query.js";
+import { HttpError } from "../../src/utils/error.util.js";
+import { StartVideoCallInput } from "../../src/types/video/video.types.js";
+
+const mockVideoCallCommand = {
+  startVideoCall: jest.fn<() => Promise<unknown>>(),
+  acceptCallById: jest.fn<() => Promise<unknown>>(),
+  declineCallById: jest.fn<() => Promise<unknown>>(),
+  endCallById: jest.fn<() => Promise<unknown>>(),
+  markExpiredCallAsMissed: jest.fn<() => Promise<unknown>>(),
+};
+
+const mockVideoCallQuery = {
+  getVideoByStreamCallId: jest.fn<() => Promise<unknown>>(),
+  getIncomingCallForStudent: jest.fn<() => Promise<unknown>>(),
+  getVideoById: jest.fn<() => Promise<unknown>>(),
+};
+
+jest.mock("../../src/db/schemes/studentSchema.js", () => ({
+  StudentModel: {},
+}));
+jest.mock("../../src/db/schemes/teacherSchema.js", () => ({
+  TeacherModel: {},
+}));
+jest.mock("../../src/db/schemes/videoCallSchema.js", () => ({
+  VideoCallModel: {},
+}));
+jest.mock("../../src/socket/io.holder.js", () => ({ getIO: () => null }));
+
+describe("VideoCallService", () => {
+  let service: VideoCallService;
+
+  beforeEach(() => {
+    service = new VideoCallService(
+      mockVideoCallCommand as unknown as VideoCallCommand,
+      mockVideoCallQuery as unknown as VideoCallQuery,
+    );
+    jest.clearAllMocks();
+  });
+
+  describe("startCall", () => {
+    it("should throw error if not teacher", async () => {
+      const input: StartVideoCallInput = {
+        authRole: "student",
+        authUserId: "s1",
+        teacherId: "t1",
+        studentId: "s1",
+        streamCallId: "stream1",
+        expiresAt: new Date(),
+      };
+      await expect(service.startCall(input)).rejects.toThrow(
+        new HttpError(403, "Only teachers can start calls"),
+      );
+    });
+
+    it("should throw error if call already exists", async () => {
+      const input: StartVideoCallInput = {
+        authRole: "teacher",
+        authUserId: "t1",
+        teacherId: "t1",
+        studentId: "s1",
+        streamCallId: "stream1",
+        expiresAt: new Date(),
+      };
+      mockVideoCallQuery.getVideoByStreamCallId.mockResolvedValue({
+        id: "existing",
+      });
+      await expect(service.startCall(input)).rejects.toThrow(
+        new HttpError(409, "This call already exists"),
+      );
+    });
+  });
+
+  describe("incomingCall", () => {
+    it("should return incoming call for student", async () => {
+      const mockCall = {
+        id: "call1",
+        expiresAt: new Date(Date.now() + 60000),
+      };
+      mockVideoCallQuery.getIncomingCallForStudent.mockResolvedValue(mockCall);
+
+      const result = await service.incomingCall({
+        authUserId: "s1",
+        authRole: "student",
+      });
+      expect(result).toEqual(mockCall);
+    });
+
+    it("should throw error if not student", async () => {
+      await expect(
+        service.incomingCall({ authUserId: "t1", authRole: "teacher" }),
+      ).rejects.toThrow(
+        new HttpError(403, "This endpoint is for students only"),
+      );
+    });
+  });
+
+  describe("acceptCall", () => {
+    it("should throw error if not student", async () => {
+      await expect(
+        service.acceptCall({
+          callId: "call1",
+          authUserId: "t1",
+          authRole: "teacher",
+        }),
+      ).rejects.toThrow(
+        new HttpError(403, "Students only can accept the call"),
+      );
+    });
+
+    it("should throw error if call not found", async () => {
+      mockVideoCallQuery.getVideoById.mockResolvedValue(null);
+      await expect(
+        service.acceptCall({
+          callId: "call1",
+          authUserId: "s1",
+          authRole: "student",
+        }),
+      ).rejects.toThrow(new HttpError(404, "Call not found"));
+    });
+  });
+
+  describe("declineCall", () => {
+    it("should throw error if not student", async () => {
+      await expect(
+        service.declineCall({
+          callId: "call1",
+          authUserId: "t1",
+          authRole: "teacher",
+        }),
+      ).rejects.toThrow(
+        new HttpError(403, "Students only can decline the call"),
+      );
+    });
+  });
+
+  describe("endCall", () => {
+    it("should throw error if call not found", async () => {
+      mockVideoCallQuery.getVideoById.mockResolvedValue(null);
+      await expect(
+        service.endCall({ callId: "call1", authUserId: "t1" }),
+      ).rejects.toThrow(new HttpError(404, "Call not found"));
+    });
+
+    it("should throw error if user not participant", async () => {
+      const mockCall = { id: "call1", teacherId: "t1", studentId: "s1" };
+      mockVideoCallQuery.getVideoById.mockResolvedValue(mockCall);
+
+      await expect(
+        service.endCall({ callId: "call1", authUserId: "other" }),
+      ).rejects.toThrow(
+        new HttpError(403, "Only participants can end the call"),
+      );
+    });
+  });
+});