Add unit tests for SignInWithRds component

src/__tests__/unit/components/SignInWithRds.test.tsx

@@ -0,0 +1,65 @@
+import { cleanup, fireEvent, render, screen } from "@testing-library/react"
+import { AppRouterInstance } from "next/dist/shared/lib/app-router-context.shared-runtime"
+import { useRouter } from "next/navigation"
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest"
+
+import { SignInWithRds } from "@/components/signin-with-rds"
+import { TGlobalStoreUser, useGlobalStore } from "@/store/global-store"
+
+// Mock the next/navigation module
+vi.mock("next/navigation", () => ({
+    useRouter: vi.fn(),
+}))
+
+// Mock the global store
+vi.mock("@/store/global-store", () => ({
+    useGlobalStore: vi.fn(),
+}))
+
+describe("SignInWithRds", () => {
+    const mockPush = vi.fn()
+
+    beforeEach(() => {
+        vi.mocked(useRouter).mockReturnValue({
+            push: mockPush,
+        } as unknown as AppRouterInstance)
+    })
+
+    afterEach(() => {
+        cleanup()
+        vi.clearAllMocks()
+    })
+
+    it("renders sign-in button for unauthenticated user", () => {
+        vi.mocked(useGlobalStore).mockReturnValue({
+            user: null,
+        } as unknown as TGlobalStoreUser)
+
+        render(<SignInWithRds />)
+
+        expect(screen.getByText("SignIn within rds")).toBeDefined()
+    })
+
+    it("handles sign-in button click", () => {
+        vi.mocked(useGlobalStore).mockReturnValue({
+            user: null,
+        } as unknown as TGlobalStoreUser)
+
+        render(<SignInWithRds />)
+
+        fireEvent.click(screen.getByText("SignIn within rds"))
+
+        expect(mockPush).toHaveBeenCalledWith(expect.stringContaining("/auth/github/login?redirectURL="))
+    })
+
+    it("renders user info for authenticated user", () => {
+        const mockUser = { name: "John Doe", profilePicture: "/path/to/image.jpg" }
+        vi.mocked(useGlobalStore).mockReturnValue({
+            user: mockUser,
+        } as unknown as TGlobalStoreUser)
+
+        render(<SignInWithRds />)
+        expect(screen.getByText("John Doe")).toBeDefined()
+        expect(screen.getByRole("img")).toBeDefined()
+    })
+})