Django自定义中间件检查具有有效请求标头令牌的标头token.Tests仍然失败

# middleware.py
from django.http import JsonResponse
import jwt

class TokenAuthMiddleware:
    def __init__(self, get_response):
        self.get_response = get_response

    def __call__(self, request):
        token = request.headers.get('Authorization')
        if not token:
            return JsonResponse({'error': 'Token is missing'}, status=401)
        
        try:
            # 验证令牌
            payload = jwt.decode(token, 'your-secret-key', algorithms=['HS256'])
        except jwt.ExpiredSignatureError:
            return JsonResponse({'error': 'Token has expired'}, status=401)
        except jwt.InvalidTokenError:
            return JsonResponse({'error': 'Invalid token'}, status=401)
        
        return self.get_response(request)

MIDDLEWARE = [
    # ...
    'your_project.middleware.TokenAuthMiddleware',
    # ...
]

# tests.py
from django.test import TestCase, Client
import json

class TokenAuthTestCase(TestCase):
    def setUp(self):
        self.client = Client()

    def test_valid_token(self):
        response = self.client.get('/your-endpoint/', HTTP_AUTHORIZATION='Bearer your-valid-token')
        self.assertEqual(response.status_code, 200)

    def test_missing_token(self):
        response = self.client.get('/your-endpoint/')
        self.assertEqual(response.status_code, 401)

    def test_invalid_token(self):
        response = self.client.get('/your-endpoint/', HTTP_AUTHORIZATION='Bearer invalid-token')
        self.assertEqual(response.status_code, 401)