import unittest
import os

from app.views import *
from werkzeug.datastructures import FileStorage  # 用于创建测试文件

class ReceiveExcelTestCase(unittest.TestCase):

    def setUp(self):
        app.testing = True  # 设置 Flask 应用为测试模式
        self.client = app.test_client()
        # 创建一个测试用的Excel文件或使用一个真实的Excel文件路径
        self.test_file_path = 'template.xlsx'

    def test_receive_excel_no_file(self):
        # 测试没有文件时的情况
        response = self.client.post('/api/receive-excel')
        self.assertEqual(response.status_code, 400)
        self.assertEqual(response.get_json(), {"error": "No file part"})

    def test_receive_excel_with_file(self):
        # 模拟已登录用户
        with self.client.session_transaction() as sess:
            sess['number'] = 'X202301000001'

        # 使用 FileStorage 创建测试文件对象
        data = {
            'file': (open(self.test_file_path, 'rb'), self.test_file_path)
        }
        # 发送 POST 请求到 /api/receive-excel
        response = self.client.post('/api/receive-excel', data=data, content_type='multipart/form-data')

        # 验证返回的状态码和响应
        self.assertEqual(response.status_code, 200)
        self.assertEqual(response.get_json(), {"message": "File successfully processed"})

    def tearDown(self):
        # 清理测试用的文件或数据
        if os.path.exists(self.test_file_path):
            os.remove(self.test_file_path)

if __name__ == '__main__':
    unittest.main()