288 lines
15 KiB
Python
288 lines
15 KiB
Python
"""HTTP and SSE contracts across the application factory and extracted services."""
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import io
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import json
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import logging
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from html.parser import HTMLParser
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from pathlib import Path
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import subprocess
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import sys
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import tempfile
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import unittest
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from unittest.mock import patch
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import requests
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from logistics_chat import create_app, db
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class ModelResponse:
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def __init__(self, text='物流测试回答，费用与时效请以报价表为准。', status=200):
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self.content = text
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self.status_code = status
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self.closed = False
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self.text = 'model error'
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def iter_lines(self):
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yield ('data: ' + json.dumps({'choices': [{'delta': {'content': self.content}}]})).encode()
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yield b'data: [DONE]'
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def json(self):
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return {'choices': [{'message': {'content': self.content}}], 'error': {'message': 'model error'}}
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def close(self):
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self.closed = True
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def frames(response):
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return [json.loads(part[6:]) for part in response.get_data(as_text=True).split('\n\n') if part.startswith('data: ')]
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class ApiTests(unittest.TestCase):
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def setUp(self):
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self.directory = tempfile.TemporaryDirectory()
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self.addCleanup(self.directory.cleanup)
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self.root = Path(self.directory.name)
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self.app = self.application(self.root)
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self.client = self.app.test_client()
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def application(self, root):
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return create_app({'TESTING': True, 'DATABASE': root/'history.db',
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'UPLOAD_DIR': root/'uploads', 'BACKUP_DIR': root/'backups',
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'LOG_DIR': root/'logs', 'DEEPSEEK_API_KEY': ''})
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def conversation(self):
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return self.client.post('/api/new_chat').json['id']
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def test_pages_static_files_and_cache_headers(self):
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for path in ('/', '/admin', '/admin/dashboard'):
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with self.subTest(path=path):
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response = self.client.get(path)
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self.assertEqual(response.status_code, 200)
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self.assertIn('no-store', response.headers['Cache-Control'])
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with self.client.get('/static/fa.jpg') as image:
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self.assertEqual(image.status_code, 200)
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def test_page_styles_and_scripts_are_accessible(self):
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class Assets(HTMLParser):
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def __init__(self):
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super().__init__()
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self.urls = []
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def handle_starttag(self, tag, attrs):
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attrs = dict(attrs)
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if tag == 'script' and attrs.get('src'):
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self.urls.append(attrs['src'])
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if tag == 'link' and attrs.get('rel') == 'stylesheet':
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self.urls.append(attrs['href'])
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for path in ('/', '/admin', '/admin/dashboard'):
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parser = Assets()
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parser.feed(self.client.get(path).get_data(as_text=True))
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self.assertGreaterEqual(len(parser.urls), 3)
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for url in parser.urls:
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resource = self.client.get(url)
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self.assertEqual(resource.status_code, 200, url)
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self.assertGreater(len(resource.data), 0)
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resource.close()
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def test_history_card_roundtrip_and_deletion(self):
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cid = self.conversation()
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response = self.client.post('/stream_chat', json={'msg': '15252125', 'conv_id': cid})
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events = frames(response)
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self.assertEqual(events[-1], {'d': 1})
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self.assertEqual(events[0]['card']['no'], '15252125')
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messages = self.client.get(f'/api/get_messages?conv_id={cid}').json
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self.assertEqual(len(messages), 3)
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self.assertTrue(messages[-1]['content'].startswith('__CARD__'))
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self.assertEqual(self.client.get('/api/get_history').json[0]['title'], '15252125')
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self.assertEqual(self.client.delete(f'/api/del_history?id={cid}').json, {'ok': True})
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self.assertEqual(self.client.get(f'/api/get_messages?conv_id={cid}').json, [])
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def test_empty_image_and_missing_key_streams(self):
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self.assertIn('e', frames(self.client.post('/stream_chat', json={'msg': ''}))[0])
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image_reply = frames(self.client.post('/stream_chat', json={'msg': '[图片]/uploads/test.png'}))
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self.assertIn('收到您的图片', image_reply[0]['t'])
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self.assertEqual(image_reply[-1], {'d': 1})
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self.assertIn('API Key', frames(self.client.get('/stream_chat?msg=hello'))[0]['e'])
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def test_attachment_filename_is_not_used_as_a_tracking_number(self):
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attachment = '[文件]/uploads/20261029100145_6787.txt'
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events = frames(self.client.post('/stream_chat', json={'msg': '请查看附件 ' + attachment}))
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self.assertFalse(any('card' in event for event in events))
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self.assertIn('API Key', events[0]['e'])
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cid = self.conversation()
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events = frames(self.client.post('/stream_chat', json={'msg': '查询15252125 ' + attachment, 'conv_id': cid}))
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self.assertEqual(events[0]['card']['no'], '15252125')
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self.assertEqual(self.client.get(f'/api/get_messages?conv_id={cid}').json[1]['content'], '查询15252125 ' + attachment)
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def test_human_lifecycle_typing_and_read_receipts(self):
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self.assertEqual(self.client.post('/api/human/request', json={'conv_id': 0}).status_code, 400)
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with patch('logistics_chat.human_service.datetime') as clock:
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from datetime import datetime
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clock.now.return_value = datetime(2026, 10, 29, 12)
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sid = self.client.post('/api/human/request', json={'conv_id': self.conversation()}).json['session_id']
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self.assertEqual(self.client.get('/api/human/queue').json[0]['id'], sid)
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self.client.post('/api/human/accept', json={'sid': sid})
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self.client.post('/api/human/send', json={'sid': sid, 'side': 'customer', 'content': 'hello'})
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self.client.post('/api/human/typing', json={'sid': sid})
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state = self.client.get(f'/api/human/poll?sid={sid}&after=0').json
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self.assertEqual(state['status'], 'active')
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self.assertTrue(state['typing'])
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self.assertFalse(state['messages'][0]['read'])
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self.client.post('/api/human/read', json={'sid': sid})
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self.client.post('/api/human/stop_typing', json={'sid': sid})
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state = self.client.get(f'/api/human/poll?sid={sid}').json
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self.assertTrue(state['messages'][0]['read'])
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self.assertFalse(state['typing'])
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self.client.post('/api/human/close', json={'sid': sid})
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self.assertEqual(self.client.get('/api/human/active').json, [])
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self.assertEqual(self.client.get(f'/api/human/poll?sid={sid}').json['status'], 'closed')
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def test_application_state_is_not_shared_between_factories(self):
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self.app.extensions['human_typing']['1'] = 123
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self.app.extensions['rate_hits']['127.0.0.1'].append(123)
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other = self.application(self.root/'other')
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self.assertEqual(other.extensions['human_typing'], {})
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self.assertEqual(dict(other.extensions['rate_hits']), {})
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def test_factories_with_different_log_directories_do_not_cross_write(self):
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applications = []
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try:
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for name in ('first', 'second'):
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root = self.root/name
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applications.append(create_app({'DATABASE': root/'history.db', 'UPLOAD_DIR': root/'uploads',
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'BACKUP_DIR': root/'backups', 'LOG_DIR': root/'logs', 'DEEPSEEK_API_KEY': ''}))
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applications[0].logger.warning('first application only')
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for app in applications:
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for handler in app.logger.handlers:
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handler.flush()
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self.assertIn('first application only', (self.root/'first/logs/app.log').read_text())
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self.assertNotIn('first application only', (self.root/'second/logs/app.log').read_text())
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finally:
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for app in applications:
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for handler in list(app.logger.handlers):
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if isinstance(handler, logging.FileHandler):
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handler.close()
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app.logger.removeHandler(handler)
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def test_rate_limit_and_exemptions(self):
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self.app.config['RATE_LIMIT_PER_MIN'] = 2
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self.assertEqual(self.client.get('/api/get_history').status_code, 200)
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self.assertEqual(self.client.get('/api/get_history').status_code, 200)
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self.assertEqual(self.client.get('/api/get_history').status_code, 429)
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self.assertEqual(self.client.get('/api/human/queue').status_code, 200)
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with self.client.get('/static/fa.jpg') as image:
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self.assertEqual(image.status_code, 200)
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def test_attachment_roundtrip_and_rejection(self):
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response = self.client.post('/api/upload', data={'file': (io.BytesIO(b'hello'), 'hello.txt')})
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self.assertEqual(response.status_code, 200)
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downloaded = self.client.get(response.json['url'])
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self.assertEqual(downloaded.data, b'hello')
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downloaded.close()
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self.assertEqual(self.client.post('/api/upload', data={'file': (io.BytesIO(b'x'), 'x.exe')}).status_code, 400)
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def test_health_check_remains_available_when_business_requests_are_rate_limited(self):
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self.app.config['RATE_LIMIT_PER_MIN'] = 1
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self.assertEqual(self.client.get('/').status_code, 200)
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self.assertEqual(self.client.get('/api/get_history').status_code, 429)
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response = self.client.get('/healthz')
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self.assertEqual(response.status_code, 200)
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self.assertEqual(response.json, {'status': 'ok'})
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def test_feedback_stats_and_csv(self):
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cid = self.conversation()
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with self.app.app_context():
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db.save_message(cid, 'user', 'hello, "quoted"\nworld')
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self.client.post('/api/feedback', json={'vote': 1, 'question': 'hello', 'answer': 'world'})
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self.assertEqual(self.client.get('/api/admin/stats').json['good'], 1)
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response = self.client.get('/api/export_chat?format=csv')
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self.assertEqual(response.mimetype, 'text/csv')
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self.assertIn('chat_export.csv', response.headers['Content-Disposition'])
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self.assertIn('"hello, ""quoted""\nworld"', response.get_data(as_text=True))
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self.client.delete('/api/clear_all')
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self.assertEqual(self.client.get('/api/get_history').json, [])
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def test_business_routes_with_initialized_tables_and_legacy_auth(self):
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with self.app.app_context():
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connection = db.connect()
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tables = {row[0] for row in connection.execute("SELECT name FROM sqlite_master WHERE type='table'")}
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self.assertTrue({'agents', 'orders', 'tickets'}.issubset(tables))
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connection.executescript(
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"INSERT INTO agents VALUES('demo', 'test-password', 'Agent');"
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"INSERT INTO orders VALUES(1, '123', '15252125', 'active', '2026-10-28');")
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connection.commit()
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connection.close()
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self.assertEqual(self.client.post('/admin/login', json={'username': 'demo', 'password': 'wrong'}).status_code, 401)
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self.assertEqual(self.client.post('/admin/login', json={'username': 'demo', 'password': 'test-password'}).json['name'], 'Agent')
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self.assertEqual(self.client.get('/api/my_orders?phone=123').json['orders'][0]['track_no'], '15252125')
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self.assertEqual(self.client.post('/api/ticket', json={'content': 'help', 'phone': '123'}).status_code, 200)
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self.assertEqual(self.client.get('/api/tickets').json[0]['content'], 'help')
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def test_stream_compression_followups_and_deadlines(self):
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self.app.config['DEEPSEEK_API_KEY'] = 'test-model-key'
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streamed = ModelResponse('这是用于覆盖长回答压缩的说明。'*100)
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responses = [streamed, ModelResponse('基础运费2050元，时效38-45天。'), ModelResponse('["费用呢","时效呢","能带电吗"]')]
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with patch('logistics_chat.ai_client.requests.post', side_effect=responses) as post:
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events = frames(self.client.post('/stream_chat', json={'msg': '200kg 海运', 'conv_id': self.conversation()}))
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self.assertTrue(any('t' in event for event in events))
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self.assertTrue(any('replace' in event for event in events))
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self.assertTrue(any('suggest' in event for event in events))
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self.assertEqual(events[-1], {'d': 1})
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self.assertEqual([call.kwargs['timeout'] for call in post.call_args_list], [(5, 90), (5, 30), (5, 15)])
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self.assertTrue(streamed.closed)
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def test_stream_network_and_model_errors(self):
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self.app.config['DEEPSEEK_API_KEY'] = 'test-model-key'
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for error, expected in ((requests.exceptions.Timeout, '超时'),
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(requests.exceptions.ConnectionError, '无法连接')):
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with self.subTest(error=error):
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with patch('logistics_chat.ai_client.requests.post', side_effect=error):
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events = frames(self.client.post('/stream_chat', json={'msg': '物流咨询'}))
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self.assertIn(expected, events[0]['e'])
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denied = ModelResponse(status=401)
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with patch('logistics_chat.ai_client.requests.post', return_value=denied):
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events = frames(self.client.post('/stream_chat', json={'msg': '物流咨询'}))
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self.assertEqual(events[0]['e'], '系统繁忙，请稍后再试')
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self.assertTrue(denied.closed)
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empty = ModelResponse(text='')
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with patch('logistics_chat.ai_client.requests.post', return_value=empty):
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events = frames(self.client.post('/stream_chat', json={'msg': '物流咨询'}))
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self.assertIn('没有返回内容', events[0]['e'])
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self.assertTrue(empty.closed)
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def test_cancellation_saves_partial_answer_and_closes_http_response(self):
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self.app.config['DEEPSEEK_API_KEY'] = 'test-model-key'
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cid = self.conversation()
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model = ModelResponse('这是长度超过二十字的回答内容，用于验证中断保存行为。')
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with patch('logistics_chat.ai_client.requests.post', return_value=model):
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response = self.client.post('/stream_chat', json={'msg': '海运咨询', 'conv_id': cid}, buffered=False)
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next(response.response)
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response.close()
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messages = self.client.get(f'/api/get_messages?conv_id={cid}').json
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self.assertIn('回答中断', messages[-1]['content'])
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self.assertTrue(model.closed)
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def test_entry_and_package_imports_do_not_create_runtime_files(self):
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root = str(Path(__file__).resolve().parents[1])
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code = 'import sys; sys.path.insert(0, sys.argv[1]); import am; from logistics_chat import create_app'
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with tempfile.TemporaryDirectory() as directory:
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result = subprocess.run([sys.executable, '-c', code, root], cwd=directory,
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capture_output=True, text=True, timeout=15)
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self.assertEqual(result.returncode, 0, result.stderr)
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self.assertEqual(list(Path(directory).iterdir()), [])
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def test_wsgi_compatibility_creates_one_application_on_explicit_access(self):
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import am
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try:
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with patch.object(am, 'create_app', side_effect=lambda: self.application(self.root/'wsgi')) as factory:
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application = getattr(am, 'app')
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self.assertIs(getattr(am, 'app'), application)
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self.assertEqual(application.test_client().get('/').status_code, 200)
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self.assertEqual(factory.call_count, 1)
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finally:
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am.__dict__.pop('app', None)
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if __name__ == '__main__':
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unittest.main()
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