单元测试SQLite存储库未生成此类表错误

# app.py
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///test.db'
db = SQLAlchemy(app)
migrate = Migrate(app, db)

class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(100))

if __name__ == '__main__':
    app.run(debug=True)

flask db upgrade

# config.py
class TestConfig:
    SQLALCHEMY_DATABASE_URI = 'sqlite:///test.db'
    SQLALCHEMY_TRACK_MODIFICATIONS = False

# test_app.py
import unittest
from app import app, db
from config import TestConfig

class BasicTestCase(unittest.TestCase):
    def setUp(self):
        app.config.from_object(TestConfig)
        self.app = app.test_client()
        db.create_all()

    def tearDown(self):
        db.session.remove()
        db.drop_all()

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

# test_app.py
import unittest
from app import db

class BasicTestCase(unittest.TestCase):
    def setUp(self):
        db.create_all()

    def tearDown(self):
        db.session.remove()
        db.drop_all()

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