test: cover useWallet connect and error states

src/hooks/__tests__/useWallet.test.ts

@@ -0,0 +1,103 @@
+// @vitest-environment happy-dom
+
+import { getAddress } from '@stellar/freighter-api';
+import { act, renderHook, waitFor } from '@testing-library/react';
+import { afterEach, describe, expect, it, vi } from 'vitest';
+
+import { useWallet } from '../useWallet';
+
+vi.mock('@stellar/freighter-api', () => ({
+  getAddress: vi.fn(),
+}));
+
+const getAddressMock = vi.mocked(getAddress);
+
+describe('useWallet', () => {
+  afterEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('auto-detects an already connected Freighter wallet on mount', async () => {
+    getAddressMock.mockResolvedValue({ address: 'GCONNECTED' });
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(result.current.connected).toBe(true));
+
+    expect(result.current.address).toBe('GCONNECTED');
+    expect(result.current.error).toBeNull();
+    expect(getAddressMock).toHaveBeenCalledTimes(1);
+  });
+
+  it('connect populates address and clears a prior Freighter error', async () => {
+    getAddressMock
+      .mockResolvedValueOnce({ error: 'User rejected request' })
+      .mockResolvedValueOnce({ address: 'GCONNECTEDAFTERPROMPT' });
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(result.current.error).toBe('User rejected request'));
+    expect(result.current.connected).toBe(false);
+    expect(result.current.address).toBe('');
+
+    act(() => {
+      result.current.connect();
+    });
+
+    await waitFor(() => expect(result.current.connected).toBe(true));
+
+    expect(result.current.address).toBe('GCONNECTEDAFTERPROMPT');
+    expect(result.current.error).toBeNull();
+    expect(getAddressMock).toHaveBeenCalledTimes(2);
+  });
+
+  it('keeps the hook disconnected when Freighter returns an error result', async () => {
+    getAddressMock.mockResolvedValue({ error: 'Freighter is locked' });
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(result.current.error).toBe('Freighter is locked'));
+
+    expect(result.current.connected).toBe(false);
+    expect(result.current.address).toBe('');
+  });
+
+  it('captures thrown Freighter exceptions as hook errors', async () => {
+    getAddressMock.mockRejectedValue(new Error('Freighter extension unavailable'));
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(result.current.error).toBe('Freighter extension unavailable'));
+
+    expect(result.current.connected).toBe(false);
+    expect(result.current.address).toBe('');
+  });
+
+  it('disconnect resets address, connected state, and errors', async () => {
+    getAddressMock.mockResolvedValue({ address: 'GTORESET' });
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(result.current.connected).toBe(true));
+
+    act(() => {
+      result.current.disconnect();
+    });
+
+    expect(result.current.connected).toBe(false);
+    expect(result.current.address).toBe('');
+    expect(result.current.error).toBeNull();
+  });
+
+  it('leaves state idle when Freighter returns neither address nor error', async () => {
+    getAddressMock.mockResolvedValue({});
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(getAddressMock).toHaveBeenCalledTimes(1));
+
+    expect(result.current.connected).toBe(false);
+    expect(result.current.address).toBe('');
+    expect(result.current.error).toBeNull();
+  });
+});