test: cover useWallet Freighter state paths

src/hooks/__tests__/useWallet.test.tsx

@@ -0,0 +1,129 @@
+// @vitest-environment happy-dom
+
+import { act, renderHook, waitFor } from '@testing-library/react';
+import { getAddress } from '@stellar/freighter-api';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import { useWallet } from '../useWallet';
+
+vi.mock('@stellar/freighter-api', () => ({
+  getAddress: vi.fn(),
+}));
+
+const mockedGetAddress = vi.mocked(getAddress);
+
+describe('useWallet', () => {
+  beforeEach(() => {
+    mockedGetAddress.mockReset();
+  });
+
+  it('auto-detects an already connected Freighter wallet on mount', async () => {
+    mockedGetAddress.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(mockedGetAddress).toHaveBeenCalledTimes(1);
+  });
+
+  it('connects and stores the returned address', async () => {
+    mockedGetAddress
+      .mockResolvedValueOnce({})
+      .mockResolvedValueOnce({ address: 'GCONNECT' });
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(mockedGetAddress).toHaveBeenCalledTimes(1));
+
+    act(() => {
+      result.current.connect();
+    });
+
+    await waitFor(() => {
+      expect(result.current.connected).toBe(true);
+      expect(result.current.address).toBe('GCONNECT');
+      expect(result.current.error).toBeNull();
+    });
+    expect(mockedGetAddress).toHaveBeenCalledTimes(2);
+  });
+
+  it('disconnects and clears wallet state', async () => {
+    mockedGetAddress.mockResolvedValue({ address: 'GCONNECTED' });
+
+    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('stores Freighter error responses and clears connection state', async () => {
+    mockedGetAddress.mockResolvedValue({ error: 'User rejected request' });
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => {
+      expect(result.current.connected).toBe(false);
+      expect(result.current.address).toBe('');
+      expect(result.current.error).toBe('User rejected request');
+    });
+  });
+
+  it('stores thrown Freighter errors and clears connection state', async () => {
+    mockedGetAddress.mockRejectedValue(new Error('Freighter unavailable'));
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => {
+      expect(result.current.connected).toBe(false);
+      expect(result.current.address).toBe('');
+      expect(result.current.error).toBe('Freighter unavailable');
+    });
+  });
+
+  it('stays disconnected when Freighter returns no address and no error', async () => {
+    mockedGetAddress.mockResolvedValue({});
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(mockedGetAddress).toHaveBeenCalledTimes(1));
+
+    expect(result.current.connected).toBe(false);
+    expect(result.current.address).toBe('');
+    expect(result.current.error).toBeNull();
+  });
+
+  it('handles repeated connect calls with the latest Freighter address', async () => {
+    mockedGetAddress
+      .mockResolvedValueOnce({})
+      .mockResolvedValueOnce({ address: 'GFIRST' })
+      .mockResolvedValueOnce({ address: 'GSECOND' });
+
+    const { result } = renderHook(() => useWallet());
+
+    await waitFor(() => expect(mockedGetAddress).toHaveBeenCalledTimes(1));
+
+    act(() => {
+      result.current.connect();
+    });
+    await waitFor(() => expect(result.current.address).toBe('GFIRST'));
+
+    act(() => {
+      result.current.connect();
+    });
+    await waitFor(() => expect(result.current.address).toBe('GSECOND'));
+
+    expect(result.current.connected).toBe(true);
+    expect(result.current.error).toBeNull();
+    expect(mockedGetAddress).toHaveBeenCalledTimes(3);
+  });
+});