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#!/usr/bin/env python3
"""
Lily LLM API ์ข…ํ•ฉ ํ…Œ์ŠคํŠธ ์Šค์œ„ํŠธ
๋ชจ๋“  ์ฃผ์š” ๊ธฐ๋Šฅ์„ ํ…Œ์ŠคํŠธํ•˜๋Š” ํ†ตํ•ฉ ํ…Œ์ŠคํŠธ
"""

import pytest
import requests
import time
import json
import os
import tempfile
from pathlib import Path

# ํ…Œ์ŠคํŠธ ์„ค์ •
BASE_URL = "http://localhost:8001"
TEST_USER_ID = "test_user_123"
TEST_SESSION_ID = "test_session_123"

class TestLilyLLMAPI:
    """Lily LLM API ์ข…ํ•ฉ ํ…Œ์ŠคํŠธ ํด๋ž˜์Šค"""
    
    def setup_method(self):
        """๊ฐ ํ…Œ์ŠคํŠธ ์ „ ์‹คํ–‰"""
        self.session = requests.Session()
        self.token = None
        
    def teardown_method(self):
        """๊ฐ ํ…Œ์ŠคํŠธ ํ›„ ์‹คํ–‰"""
        self.session.close()
    
    def test_01_server_health(self):
        """์„œ๋ฒ„ ์ƒํƒœ ํ™•์ธ"""
        response = self.session.get(f"{BASE_URL}/health")
        assert response.status_code == 200
        data = response.json()
        assert "status" in data
        assert "current_model" in data
        print("โœ… ์„œ๋ฒ„ ์ƒํƒœ ํ™•์ธ ์„ฑ๊ณต")
    
    def test_02_models_endpoint(self):
        """๋ชจ๋ธ ๋ชฉ๋ก ์กฐํšŒ"""
        response = self.session.get(f"{BASE_URL}/models")
        assert response.status_code == 200
        data = response.json()
        assert "available_models" in data
        assert len(data["available_models"]) > 0
        print("โœ… ๋ชจ๋ธ ๋ชฉ๋ก ์กฐํšŒ ์„ฑ๊ณต")
    
    def test_03_text_generation(self):
        """ํ…์ŠคํŠธ ์ƒ์„ฑ ํ…Œ์ŠคํŠธ"""
        data = {
            "prompt": "์•ˆ๋…•ํ•˜์„ธ์š”! ๊ฐ„๋‹จํ•œ ์ธ์‚ฌ๋ง์„ ํ•ด์ฃผ์„ธ์š”.",
            "model_id": "polyglot-ko-1.3b-chat",
            "max_length": 100,
            "temperature": 0.7,
            "top_p": 0.9,
            "do_sample": True
        }
        
        response = self.session.post(f"{BASE_URL}/generate", data=data)
        assert response.status_code == 200
        result = response.json()
        assert "generated_text" in result
        assert len(result["generated_text"]) > 0
        print("โœ… ํ…์ŠคํŠธ ์ƒ์„ฑ ์„ฑ๊ณต")
    
    def test_04_user_management(self):
        """์‚ฌ์šฉ์ž ๊ด€๋ฆฌ ํ…Œ์ŠคํŠธ"""
        # ์‚ฌ์šฉ์ž ์ƒ์„ฑ
        user_data = {
            "user_id": TEST_USER_ID,
            "username": "ํ…Œ์ŠคํŠธ์‚ฌ์šฉ์ž",
            "email": "test@example.com"
        }
        
        response = self.session.post(f"{BASE_URL}/user/create", data=user_data)
        assert response.status_code == 200
        print("โœ… ์‚ฌ์šฉ์ž ์ƒ์„ฑ ์„ฑ๊ณต")
        
        # ์‚ฌ์šฉ์ž ์ •๋ณด ์กฐํšŒ
        response = self.session.get(f"{BASE_URL}/user/{TEST_USER_ID}")
        assert response.status_code == 200
        user_info = response.json()
        assert user_info["user_id"] == TEST_USER_ID
        print("โœ… ์‚ฌ์šฉ์ž ์ •๋ณด ์กฐํšŒ ์„ฑ๊ณต")
    
    def test_05_authentication(self):
        """์ธ์ฆ ์‹œ์Šคํ…œ ํ…Œ์ŠคํŠธ"""
        # ์‚ฌ์šฉ์ž ๋“ฑ๋ก
        register_data = {
            "username": "testuser",
            "email": "test@example.com",
            "password": "testpassword123"
        }
        
        response = self.session.post(f"{BASE_URL}/auth/register", data=register_data)
        assert response.status_code == 200
        register_result = response.json()
        assert "access_token" in register_result
        self.token = register_result["access_token"]
        print("โœ… ์‚ฌ์šฉ์ž ๋“ฑ๋ก ์„ฑ๊ณต")
        
        # ๋กœ๊ทธ์ธ
        login_data = {
            "username": "testuser",
            "password": "testpassword123"
        }
        
        response = self.session.post(f"{BASE_URL}/auth/login", data=login_data)
        assert response.status_code == 200
        login_result = response.json()
        assert "access_token" in login_result
        print("โœ… ๋กœ๊ทธ์ธ ์„ฑ๊ณต")
        
        # ํ˜„์žฌ ์‚ฌ์šฉ์ž ์ •๋ณด ์กฐํšŒ
        headers = {"Authorization": f"Bearer {self.token}"}
        response = self.session.get(f"{BASE_URL}/auth/me", headers=headers)
        assert response.status_code == 200
        print("โœ… ํ˜„์žฌ ์‚ฌ์šฉ์ž ์ •๋ณด ์กฐํšŒ ์„ฑ๊ณต")
    
    def test_06_chat_session_management(self):
        """์ฑ„ํŒ… ์„ธ์…˜ ๊ด€๋ฆฌ ํ…Œ์ŠคํŠธ"""
        # ์„ธ์…˜ ์ƒ์„ฑ
        session_data = {
            "user_id": TEST_USER_ID,
            "session_name": "ํ…Œ์ŠคํŠธ ์„ธ์…˜"
        }
        
        response = self.session.post(f"{BASE_URL}/session/create", data=session_data)
        assert response.status_code == 200
        session_result = response.json()
        session_id = session_result["session_id"]
        print("โœ… ์„ธ์…˜ ์ƒ์„ฑ ์„ฑ๊ณต")
        
        # ๋ฉ”์‹œ์ง€ ์ถ”๊ฐ€
        message_data = {
            "session_id": session_id,
            "user_id": TEST_USER_ID,
            "message_type": "text",
            "content": "์•ˆ๋…•ํ•˜์„ธ์š”! ํ…Œ์ŠคํŠธ ๋ฉ”์‹œ์ง€์ž…๋‹ˆ๋‹ค."
        }
        
        response = self.session.post(f"{BASE_URL}/chat/message", data=message_data)
        assert response.status_code == 200
        print("โœ… ๋ฉ”์‹œ์ง€ ์ถ”๊ฐ€ ์„ฑ๊ณต")
        
        # ์ฑ„ํŒ… ๊ธฐ๋ก ์กฐํšŒ
        response = self.session.get(f"{BASE_URL}/chat/history/{session_id}")
        assert response.status_code == 200
        history = response.json()
        assert len(history) > 0
        print("โœ… ์ฑ„ํŒ… ๊ธฐ๋ก ์กฐํšŒ ์„ฑ๊ณต")
    
    def test_07_document_upload(self):
        """๋ฌธ์„œ ์—…๋กœ๋“œ ํ…Œ์ŠคํŠธ"""
        # ์ž„์‹œ PDF ํŒŒ์ผ ์ƒ์„ฑ
        with tempfile.NamedTemporaryFile(suffix=".pdf", delete=False) as tmp_file:
            tmp_file.write(b"%PDF-1.4\n1 0 obj\n<<\n/Type /Catalog\n/Pages 2 0 R\n>>\nendobj\n2 0 obj\n<<\n/Type /Pages\n/Kids [3 0 R]\n/Count 1\n>>\nendobj\n3 0 obj\n<<\n/Type /Page\n/Parent 2 0 R\n/MediaBox [0 0 612 792]\n/Contents 4 0 R\n>>\nendobj\n4 0 obj\n<<\n/Length 44\n>>\nstream\nBT\n/F1 12 Tf\n72 720 Td\n(Test PDF) Tj\nET\nendstream\nendobj\nxref\n0 5\n0000000000 65535 f \n0000000009 00000 n \n0000000058 00000 n \n0000000115 00000 n \n0000000204 00000 n \ntrailer\n<<\n/Size 5\n/Root 1 0 R\n>>\nstartxref\n297\n%%EOF\n")
            tmp_file_path = tmp_file.name
        
        try:
            with open(tmp_file_path, 'rb') as f:
                files = {'file': f}
                data = {'user_id': TEST_USER_ID}
                response = self.session.post(f"{BASE_URL}/document/upload", files=files, data=data)
            
            assert response.status_code == 200
            upload_result = response.json()
            assert "document_id" in upload_result
            print("โœ… ๋ฌธ์„œ ์—…๋กœ๋“œ ์„ฑ๊ณต")
            
            # ์‚ฌ์šฉ์ž ๋ฌธ์„œ ๋ชฉ๋ก ์กฐํšŒ
            response = self.session.get(f"{BASE_URL}/documents/db/{TEST_USER_ID}")
            assert response.status_code == 200
            documents = response.json()
            assert len(documents) > 0
            print("โœ… ๋ฌธ์„œ ๋ชฉ๋ก ์กฐํšŒ ์„ฑ๊ณต")
            
        finally:
            os.unlink(tmp_file_path)
    
    def test_08_rag_functionality(self):
        """RAG ๊ธฐ๋Šฅ ํ…Œ์ŠคํŠธ"""
        # RAG ์ฟผ๋ฆฌ
        rag_data = {
            "query": "ํ…Œ์ŠคํŠธ ์ฟผ๋ฆฌ์ž…๋‹ˆ๋‹ค.",
            "user_id": TEST_USER_ID,
            "max_length": 200,
            "temperature": 0.7
        }
        
        response = self.session.post(f"{BASE_URL}/rag/generate", data=rag_data)
        assert response.status_code == 200
        rag_result = response.json()
        assert "response" in rag_result
        print("โœ… RAG ์ฟผ๋ฆฌ ์„ฑ๊ณต")
    
    def test_09_background_tasks(self):
        """๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ž‘์—… ํ…Œ์ŠคํŠธ"""
        # ๋ฌธ์„œ ์ฒ˜๋ฆฌ ์ž‘์—… ์‹œ์ž‘
        task_data = {
            "file_path": "/tmp/test_document.pdf",
            "user_id": TEST_USER_ID
        }
        
        response = self.session.post(f"{BASE_URL}/tasks/document/process", data=task_data)
        assert response.status_code == 200
        task_result = response.json()
        assert "task_id" in task_result
        task_id = task_result["task_id"]
        print("โœ… ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ž‘์—… ์‹œ์ž‘ ์„ฑ๊ณต")
        
        # ์ž‘์—… ์ƒํƒœ ํ™•์ธ
        response = self.session.get(f"{BASE_URL}/tasks/{task_id}")
        assert response.status_code == 200
        status_result = response.json()
        assert "status" in status_result
        print("โœ… ์ž‘์—… ์ƒํƒœ ํ™•์ธ ์„ฑ๊ณต")
    
    def test_10_monitoring(self):
        """๋ชจ๋‹ˆํ„ฐ๋ง ๊ธฐ๋Šฅ ํ…Œ์ŠคํŠธ"""
        # ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง ์‹œ์ž‘
        response = self.session.post(f"{BASE_URL}/monitoring/start")
        assert response.status_code == 200
        print("โœ… ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง ์‹œ์ž‘ ์„ฑ๊ณต")
        
        # ๋ชจ๋‹ˆํ„ฐ๋ง ์ƒํƒœ ์กฐํšŒ
        response = self.session.get(f"{BASE_URL}/monitoring/status")
        assert response.status_code == 200
        status_data = response.json()
        assert "current_metrics" in status_data
        print("โœ… ๋ชจ๋‹ˆํ„ฐ๋ง ์ƒํƒœ ์กฐํšŒ ์„ฑ๊ณต")
        
        # ์‹œ์Šคํ…œ ๊ฑด๊ฐ• ์ƒํƒœ ์กฐํšŒ
        response = self.session.get(f"{BASE_URL}/monitoring/health")
        assert response.status_code == 200
        health_data = response.json()
        assert "status" in health_data
        print("โœ… ์‹œ์Šคํ…œ ๊ฑด๊ฐ• ์ƒํƒœ ์กฐํšŒ ์„ฑ๊ณต")
        
        # ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง ์ค‘์ง€
        response = self.session.post(f"{BASE_URL}/monitoring/stop")
        assert response.status_code == 200
        print("โœ… ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง ์ค‘์ง€ ์„ฑ๊ณต")
    
    def test_11_websocket_connection(self):
        """WebSocket ์—ฐ๊ฒฐ ํ…Œ์ŠคํŠธ"""
        try:
            import websockets
            import asyncio
            
            async def test_websocket():
                uri = f"ws://localhost:8001/ws/{TEST_USER_ID}"
                async with websockets.connect(uri) as websocket:
                    # ์—ฐ๊ฒฐ ํ…Œ์ŠคํŠธ
                    await websocket.send(json.dumps({
                        "type": "ping",
                        "message": "ํ…Œ์ŠคํŠธ ๋ฉ”์‹œ์ง€"
                    }))
                    
                    # ์‘๋‹ต ๋Œ€๊ธฐ
                    response = await asyncio.wait_for(websocket.recv(), timeout=5.0)
                    data = json.loads(response)
                    assert "type" in data
                    print("โœ… WebSocket ์—ฐ๊ฒฐ ์„ฑ๊ณต")
            
            asyncio.run(test_websocket())
            
        except ImportError:
            print("โš ๏ธ websockets ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ ์„ค์น˜๋˜์ง€ ์•Š์•„ WebSocket ํ…Œ์ŠคํŠธ๋ฅผ ๊ฑด๋„ˆ๋œ๋‹ˆ๋‹ค.")
        except Exception as e:
            print(f"โš ๏ธ WebSocket ํ…Œ์ŠคํŠธ ์‹คํŒจ: {e}")
    
    def test_12_error_handling(self):
        """์˜ค๋ฅ˜ ์ฒ˜๋ฆฌ ํ…Œ์ŠคํŠธ"""
        # ์ž˜๋ชป๋œ ๋ชจ๋ธ ID๋กœ ์š”์ฒญ
        data = {
            "prompt": "ํ…Œ์ŠคํŠธ",
            "model_id": "invalid-model-id",
            "max_length": 100
        }
        
        response = self.session.post(f"{BASE_URL}/generate", data=data)
        assert response.status_code in [400, 404, 422]
        print("โœ… ์ž˜๋ชป๋œ ๋ชจ๋ธ ID ์˜ค๋ฅ˜ ์ฒ˜๋ฆฌ ์„ฑ๊ณต")
        
        # ์ž˜๋ชป๋œ ์‚ฌ์šฉ์ž ID๋กœ ์š”์ฒญ
        response = self.session.get(f"{BASE_URL}/user/invalid-user-id")
        assert response.status_code in [404, 422]
        print("โœ… ์ž˜๋ชป๋œ ์‚ฌ์šฉ์ž ID ์˜ค๋ฅ˜ ์ฒ˜๋ฆฌ ์„ฑ๊ณต")
    
    def test_13_performance_metrics(self):
        """์„ฑ๋Šฅ ๋ฉ”ํŠธ๋ฆญ ํ…Œ์ŠคํŠธ"""
        # ์—ฌ๋Ÿฌ ์š”์ฒญ์„ ๋ณด๋‚ด์„œ ์„ฑ๋Šฅ ์ธก์ •
        start_time = time.time()
        
        for i in range(5):
            data = {
                "prompt": f"ํ…Œ์ŠคํŠธ ์š”์ฒญ {i+1}",
                "model_id": "polyglot-ko-1.3b-chat",
                "max_length": 50,
                "temperature": 0.7
            }
            
            response = self.session.post(f"{BASE_URL}/generate", data=data)
            assert response.status_code == 200
        
        end_time = time.time()
        total_time = end_time - start_time
        
        print(f"โœ… ์„ฑ๋Šฅ ํ…Œ์ŠคํŠธ ์™„๋ฃŒ: 5๊ฐœ ์š”์ฒญ์„ {total_time:.2f}์ดˆ์— ์ฒ˜๋ฆฌ")
        assert total_time < 60  # 60์ดˆ ์ด๋‚ด์— ์™„๋ฃŒ๋˜์–ด์•ผ ํ•จ
    
    def test_14_data_persistence(self):
        """๋ฐ์ดํ„ฐ ์ง€์†์„ฑ ํ…Œ์ŠคํŠธ"""
        # ์‚ฌ์šฉ์ž ์ƒ์„ฑ
        user_data = {
            "user_id": f"persist_test_user_{int(time.time())}",
            "username": "์ง€์†์„ฑํ…Œ์ŠคํŠธ์‚ฌ์šฉ์ž",
            "email": "persist@test.com"
        }
        
        response = self.session.post(f"{BASE_URL}/user/create", data=user_data)
        assert response.status_code == 200
        user_id = user_data["user_id"]
        
        # ์„œ๋ฒ„ ์žฌ์‹œ์ž‘ ์‹œ๋ฎฌ๋ ˆ์ด์…˜ (์‹ค์ œ๋กœ๋Š” ์žฌ์‹œ์ž‘ํ•˜์ง€ ์•Š์Œ)
        # ๋Œ€์‹  ๋™์ผํ•œ ์‚ฌ์šฉ์ž ์ •๋ณด๋ฅผ ๋‹ค์‹œ ์กฐํšŒ
        response = self.session.get(f"{BASE_URL}/user/{user_id}")
        assert response.status_code == 200
        user_info = response.json()
        assert user_info["user_id"] == user_id
        print("โœ… ๋ฐ์ดํ„ฐ ์ง€์†์„ฑ ํ™•์ธ ์„ฑ๊ณต")

def run_comprehensive_test():
    """์ข…ํ•ฉ ํ…Œ์ŠคํŠธ ์‹คํ–‰"""
    print("๐Ÿš€ Lily LLM API ์ข…ํ•ฉ ํ…Œ์ŠคํŠธ ์‹œ์ž‘")
    print("=" * 60)
    
    test_instance = TestLilyLLMAPI()
    
    # ํ…Œ์ŠคํŠธ ๋ฉ”์„œ๋“œ ๋ชฉ๋ก
    test_methods = [
        test_instance.test_01_server_health,
        test_instance.test_02_models_endpoint,
        test_instance.test_03_text_generation,
        test_instance.test_04_user_management,
        test_instance.test_05_authentication,
        test_instance.test_06_chat_session_management,
        test_instance.test_07_document_upload,
        test_instance.test_08_rag_functionality,
        test_instance.test_09_background_tasks,
        test_instance.test_10_monitoring,
        test_instance.test_11_websocket_connection,
        test_instance.test_12_error_handling,
        test_instance.test_13_performance_metrics,
        test_instance.test_14_data_persistence
    ]
    
    passed_tests = 0
    failed_tests = 0
    
    for i, test_method in enumerate(test_methods, 1):
        try:
            print(f"\n๐Ÿ“‹ ํ…Œ์ŠคํŠธ {i}/{len(test_methods)}: {test_method.__name__}")
            print("-" * 50)
            
            test_method()
            passed_tests += 1
            
        except Exception as e:
            print(f"โŒ ํ…Œ์ŠคํŠธ ์‹คํŒจ: {e}")
            failed_tests += 1
    
    # ๊ฒฐ๊ณผ ์š”์•ฝ
    print("\n" + "=" * 60)
    print("๐Ÿ“Š ํ…Œ์ŠคํŠธ ๊ฒฐ๊ณผ ์š”์•ฝ")
    print("=" * 60)
    print(f"โœ… ํ†ต๊ณผ: {passed_tests}")
    print(f"โŒ ์‹คํŒจ: {failed_tests}")
    print(f"๐Ÿ“ˆ ์„ฑ๊ณต๋ฅ : {passed_tests/(passed_tests+failed_tests)*100:.1f}%")
    
    if failed_tests == 0:
        print("\n๐ŸŽ‰ ๋ชจ๋“  ํ…Œ์ŠคํŠธ๊ฐ€ ์„ฑ๊ณตํ–ˆ์Šต๋‹ˆ๋‹ค!")
        return True
    else:
        print(f"\nโš ๏ธ {failed_tests}๊ฐœ์˜ ํ…Œ์ŠคํŠธ๊ฐ€ ์‹คํŒจํ–ˆ์Šต๋‹ˆ๋‹ค.")
        return False

if __name__ == "__main__":
    success = run_comprehensive_test()
    exit(0 if success else 1)