diff --git a/src/test/form-response.test.ts b/src/test/form-response.test.ts
new file mode 100644
index 0000000..3905a94
--- /dev/null
+++ b/src/test/form-response.test.ts
@@ -0,0 +1,242 @@
+import { beforeEach, describe, expect, it, mock } from "bun:test";
+
+// ---------------- MOCK PRISMA ----------------
+
+const formFindUniqueMock = mock();
+const formResponseCreateMock = mock();
+const formResponseUpdateManyMock = mock();
+const formResponseFindManyMock = mock();
+const formFieldsFindManyMock = mock();
+
+mock.module("../db/prisma", () => ({
+  prisma: {
+    form: {
+      findUnique: formFindUniqueMock,
+    },
+    formResponse: {
+      create: formResponseCreateMock,
+      updateMany: formResponseUpdateManyMock,
+      findMany: formResponseFindManyMock,
+    },
+    formFields: {
+      findMany: formFieldsFindManyMock,
+    },
+  },
+}));
+
+// ---------------- MOCK LOGGER ----------------
+
+const mockInfo = mock();
+const mockWarn = mock();
+
+mock.module("../logger", () => ({
+  logger: {
+    info: mockInfo,
+    warn: mockWarn,
+    error: mock(),
+  },
+}));
+
+// IMPORT AFTER MOCKS
+const {
+  submitResponse,
+  resumeResponse,
+  getResponseForFormOwner,
+  getSubmittedResponse,
+} = await import("../api/form-response/controller");
+
+describe("Form Response Controller Tests", () => {
+  beforeEach(() => {
+    formFindUniqueMock.mockReset();
+    formResponseCreateMock.mockReset();
+    formResponseUpdateManyMock.mockReset();
+    formResponseFindManyMock.mockReset();
+    formFieldsFindManyMock.mockReset();
+    mockInfo.mockReset();
+    mockWarn.mockReset();
+  });
+
+  const user = { id: "user1" };
+
+  // =====================================================
+  // submitResponse
+  // =====================================================
+
+  it("submitResponse → success", async () => {
+    formFindUniqueMock.mockResolvedValue({
+      id: "f1",
+      isPublished: true,
+    });
+
+    formResponseCreateMock.mockResolvedValue({ id: "r1" });
+
+    const set: any = {};
+
+    const res = await submitResponse({
+      params: { formId: "f1" },
+      body: { answers: {} },
+      user,
+      set,
+    } as any);
+
+    expect(res.success).toBe(true);
+  });
+
+  it("submitResponse → form not found", async () => {
+    formFindUniqueMock.mockResolvedValue(null);
+
+    const set: any = {};
+
+    const res = await submitResponse({
+      params: { formId: "x" },
+      body: { answers: {} },
+      user,
+      set,
+    } as any);
+
+    expect(res.success).toBe(false);
+    expect(set.status).toBe(404);
+  });
+
+  it("submitResponse → not published", async () => {
+    formFindUniqueMock.mockResolvedValue({
+      id: "f1",
+      isPublished: false,
+    });
+
+    const set: any = {};
+
+    const res = await submitResponse({
+      params: { formId: "f1" },
+      body: { answers: {} },
+      user,
+      set,
+    } as any);
+
+    expect(res.success).toBe(false);
+    expect(set.status).toBe(403);
+  });
+
+  // =====================================================
+  // resumeResponse
+  // =====================================================
+
+  it("resumeResponse → success", async () => {
+    formResponseUpdateManyMock.mockResolvedValue({ count: 1 });
+
+    const res = await resumeResponse({
+      params: { responseId: "r1" },
+      body: { answers: {} },
+      user,
+    } as any);
+
+    expect(res.success).toBe(true);
+  });
+
+  it("resumeResponse → not found", async () => {
+    formResponseUpdateManyMock.mockResolvedValue({ count: 0 });
+
+    const res = await resumeResponse({
+      params: { responseId: "r1" },
+      body: { answers: {} },
+      user,
+    } as any);
+
+    expect(res.success).toBe(false);
+  });
+
+  // =====================================================
+  // getResponseForFormOwner
+  // =====================================================
+
+  it("getResponseForFormOwner → success", async () => {
+    formFindUniqueMock.mockResolvedValue({
+      id: "f1",
+      ownerId: user.id,
+    });
+
+    formResponseFindManyMock.mockResolvedValue([
+      {
+        id: "r1",
+        formId: "f1",
+        answers: { field1: "A" },
+        form: { title: "Form A" },
+      },
+    ]);
+
+    formFieldsFindManyMock.mockResolvedValue([
+      { id: "field1", fieldName: "Name" },
+    ]);
+
+    const set: any = {};
+
+    const res = await getResponseForFormOwner({
+      params: { formId: "f1" },
+      user,
+      set,
+    } as any);
+
+    expect(res.success).toBe(true);
+    expect(res.data!.length).toBe(1); // ✅ FIX
+  });
+
+  it("getResponseForFormOwner → form not found", async () => {
+    formFindUniqueMock.mockResolvedValue(null);
+
+    const set: any = {};
+
+    const res = await getResponseForFormOwner({
+      params: { formId: "f1" },
+      user,
+      set,
+    } as any);
+
+    expect(res.success).toBe(false);
+    expect(set.status).toBe(404);
+  });
+
+  // =====================================================
+  // getSubmittedResponse
+  // =====================================================
+
+  it("getSubmittedResponse → success", async () => {
+    formResponseFindManyMock.mockResolvedValue([
+      {
+        id: "r1",
+        formId: "f1",
+        answers: { field1: "A" },
+        form: { title: "Form A" },
+      },
+    ]);
+
+    formFieldsFindManyMock.mockResolvedValue([
+      { id: "field1", fieldName: "Name" },
+    ]);
+
+    const set: any = {};
+
+    const res = await getSubmittedResponse({
+      params: { formId: "f1" },
+      user,
+      set,
+    } as any);
+
+    expect(res.success).toBe(true);
+    expect(res.data!.length).toBe(1); // ✅ SAFE ASSERTION
+  });
+
+  it("getSubmittedResponse → none found", async () => {
+    formResponseFindManyMock.mockResolvedValue([]);
+
+    const set: any = {};
+
+    const res = await getSubmittedResponse({
+      params: { formId: "f1" },
+      user,
+      set,
+    } as any);
+
+    expect(res.success).toBe(false);
+    expect(set.status).toBe(404);
+  });
+});