diff --git a/mhm/tests/stores/useHotelStore.test.ts b/mhm/tests/stores/useHotelStore.test.ts
new file mode 100644
index 0000000..8baeec3
--- /dev/null
+++ b/mhm/tests/stores/useHotelStore.test.ts
@@ -0,0 +1,117 @@
+import { describe, expect, it, beforeEach } from "vitest";
+import { useHotelStore } from "@/stores/useHotelStore";
+import { invoke, clearMockResponses, setMockResponse } from "@test-mocks/tauri-core";
+import { createAllRooms, createStats } from "../helpers/mock-data";
+
+describe("useHotelStore", () => {
+    beforeEach(() => {
+        clearMockResponses();
+        invoke.mockClear();
+    });
+
+    it("has expected initial state", () => {
+        const state = useHotelStore.getInitialState();
+        expect(state.rooms).toEqual([]);
+        expect(state.stats).toBeNull();
+        expect(state.activeTab).toBe("dashboard");
+        expect(state.loading).toBe(false);
+        expect(state.isCheckinOpen).toBe(false);
+        expect(state.checkinRoomId).toBeNull();
+        expect(state.isGroupCheckinOpen).toBe(false);
+        expect(state.groups).toEqual([]);
+        expect(state.housekeepingTasks).toEqual([]);
+        expect(state.roomDetail).toBeNull();
+    });
+
+    it("fetchRooms updates the rooms state", async () => {
+        const mockRooms = createAllRooms();
+        setMockResponse("get_rooms", () => mockRooms);
+
+        await useHotelStore.getState().fetchRooms();
+
+        expect(invoke).toHaveBeenCalledWith("get_rooms");
+        expect(useHotelStore.getState().rooms).toEqual(mockRooms);
+    });
+
+    it("fetchStats updates the stats state", async () => {
+        const mockStats = createStats();
+        setMockResponse("get_dashboard_stats", () => mockStats);
+
+        await useHotelStore.getState().fetchStats();
+
+        expect(invoke).toHaveBeenCalledWith("get_dashboard_stats");
+        expect(useHotelStore.getState().stats).toEqual(mockStats);
+    });
+
+    it("checkIn executes successfully and updates data", async () => {
+        // We expect checkIn to call `check_in`, `get_rooms`, and `get_dashboard_stats`
+        setMockResponse("check_in", () => undefined);
+        setMockResponse("get_rooms", () => createAllRooms());
+        setMockResponse("get_dashboard_stats", () => createStats());
+
+        const guests = [{ full_name: "John Doe", doc_number: "123456" }];
+        await useHotelStore.getState().checkIn("1A", guests, 2, 500000, "walk-in", "test note");
+
+        expect(invoke).toHaveBeenCalledWith("check_in", {
+            req: {
+                room_id: "1A",
+                guests,
+                nights: 2,
+                source: "walk-in",
+                notes: "test note",
+                paid_amount: 500000,
+            },
+        });
+        expect(invoke).toHaveBeenCalledWith("get_rooms");
+        expect(invoke).toHaveBeenCalledWith("get_dashboard_stats");
+        expect(useHotelStore.getState().loading).toBe(false);
+        expect(useHotelStore.getState().activeTab).toBe("dashboard");
+    });
+
+    it("checkIn handles errors correctly", async () => {
+        const mockError = new Error("Check-in failed");
+        setMockResponse("check_in", () => {
+            throw mockError;
+        });
+
+        const guests = [{ full_name: "Jane Doe", doc_number: "654321" }];
+
+        await expect(
+            useHotelStore.getState().checkIn("1A", guests, 1)
+        ).rejects.toThrow("Check-in failed");
+
+        expect(useHotelStore.getState().loading).toBe(false);
+    });
+
+    it("checkOut executes successfully and updates data", async () => {
+        setMockResponse("check_out", () => undefined);
+        setMockResponse("get_rooms", () => createAllRooms());
+        setMockResponse("get_dashboard_stats", () => createStats());
+
+        await useHotelStore.getState().checkOut("booking-1", 100000);
+
+        expect(invoke).toHaveBeenCalledWith("check_out", {
+            req: {
+                booking_id: "booking-1",
+                final_paid: 100000,
+            },
+        });
+        expect(invoke).toHaveBeenCalledWith("get_rooms");
+        expect(invoke).toHaveBeenCalledWith("get_dashboard_stats");
+        expect(useHotelStore.getState().loading).toBe(false);
+        expect(useHotelStore.getState().activeTab).toBe("dashboard");
+    });
+
+    it("checkOut handles errors correctly", async () => {
+        const mockError = new Error("Check-out failed");
+        setMockResponse("check_out", () => {
+            throw mockError;
+        });
+
+        await expect(
+            useHotelStore.getState().checkOut("booking-1")
+        ).rejects.toThrow("Check-out failed");
+
+        expect(useHotelStore.getState().loading).toBe(false);
+    });
+});