Function main

contributing/samples/tools/pydantic_argument/main.py:52–108

()

async def main():
  print("🚀 Testing Pydantic Argument Feature")
  print("=" * 50)

  runner = InMemoryRunner(
      agent=agent.root_agent,
      app_name=APP_NAME,
  )

  # Create a session
  session = await runner.session_service.create_session(
      app_name=APP_NAME, user_id=USER_ID
  )

  test_prompts = [
      # Test Optional[Pydantic] type handling (UserProfile + Optional[UserPreferences])
      (
          "Create an account for Alice, 25 years old, email: alice@example.com,"
          " with dark theme and Spanish language preferences"
      ),
      (
          "Create a user account for Bob, age 30, no email, "
          "with light theme, French language, and notifications disabled"
      ),
      (
          "Make an account for Charlie, 28 years old, email: charlie@test.com, "
          "but use default preferences"
      ),
      # Test Union type handling (Union[UserProfile, CompanyProfile])
      (
          "Create a profile for Tech Corp company, software industry, "
          "with 150 employees and website techcorp.com"
      ),
      (
          "Create an entity profile for Diana, 32 years old, "
          "email diana@example.com"
      ),
  ]

  for i, prompt in enumerate(test_prompts, 1):
    print(f"\n📝 Test {i}: {prompt}")
    print("-" * 40)

    try:
      response = await call_agent_async(runner, USER_ID, session.id, prompt)
      print(f"✅ Response: {response}")
    except Exception as e:
      print(f"❌ Error: {e}")

  print("\n" + "=" * 50)
  print("✨ Testing complete!")
  print("🔧 Features demonstrated:")
  print("   • JSON dict → Pydantic model conversion (UserProfile)")
  print("   • Optional type handling (Optional[UserPreferences])")
  print("   • Union type handling (Union[UserProfile, CompanyProfile])")
  print("   • Automatic model validation and conversion")
  print("   • No manual isinstance() checks needed!")