feat: add expiration warning for Google OAuth authentication

src/tests/unit/google-api-timeout.test.ts

@@ -0,0 +1,82 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+
+// Mock module to test timeout behavior
+describe('GoogleAPIService Timeout', () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
+  it('should abort request after timeout', async () => {
+    const TIMEOUT_MS = 100;
+
+    // Recreate the same logic used in GoogleAPIService
+    const createTimeoutSignal = (ms: number): AbortSignal => {
+      const controller = new AbortController();
+      setTimeout(() => controller.abort(), ms);
+      return controller.signal;
+    };
+
+    const signal = createTimeoutSignal(TIMEOUT_MS);
+
+    // Verify signal is not aborted initially
+    expect(signal.aborted).toBe(false);
+
+    // Fast-forward time
+    vi.advanceTimersByTime(TIMEOUT_MS + 10);
+
+    // Signal should now be aborted
+    expect(signal.aborted).toBe(true);
+  });
+
+  it('should set aborted state when controller.abort() is called', () => {
+    const controller = new AbortController();
+
+    // Initially not aborted
+    expect(controller.signal.aborted).toBe(false);
+
+    // Abort the controller
+    controller.abort();
+
+    // Signal should now be aborted
+    expect(controller.signal.aborted).toBe(true);
+  });
+
+  it('should transform AbortError to user-friendly message', () => {
+    // This tests our error transformation logic from GoogleAPIService
+    const handleAbortError = (err: Error) => {
+      if (err.name === 'AbortError') {
+        throw new Error(
+          'Token exchange timed out. Please check your network connection and try again.',
+        );
+      }
+      throw err;
+    };
+
+    const abortError = new Error('The operation was aborted');
+    abortError.name = 'AbortError';
+
+    expect(() => handleAbortError(abortError)).toThrow(
+      'Token exchange timed out. Please check your network connection and try again.',
+    );
+  });
+
+  it('should not transform non-AbortError', () => {
+    const handleAbortError = (err: Error) => {
+      if (err.name === 'AbortError') {
+        throw new Error(
+          'Token exchange timed out. Please check your network connection and try again.',
+        );
+      }
+      throw err;
+    };
+
+    const networkError = new Error('Network failure');
+    networkError.name = 'NetworkError';
+
+    expect(() => handleAbortError(networkError)).toThrow('Network failure');
+  });
+});