def _app(config_class):
app = create_app(config_class)
app.test_request_context().push()
if config_class is TestingConfig:
# always starting with an empty DB
db.drop_all()
db.create_all()
return app
def testing_client():
app = create_app(TestingConfig)
# Flask provides a way to test your application
# by exposing the Werkzeug test Client
# and handling the context locals for you.
testing_client = app.test_client()
# Establish an application context before running the tests.
ctx = app.app_context()
ctx.push()
@app.before_first_request
def init_db():
# always start with an empty DB
db.drop_all()
db.create_all()
insert_test_user()
yield testing_client # this is where the testing happens!
ctx.pop()
from project_name import create_app app = create_app()
def create_app(test_config=None):
return project_name.create_app(test_config)
from project_name import create_app, db
from flask_script import Manager
from flask_migrate import Migrate, MigrateCommand # 迁移的执行者和迁移的命令
# 创建flask的应用对象
app = create_app("develop")
# 创建管理者
manager = Manager(app)
# 把Migrate创建出来的迁移者对象保存到app中
Migrate(app, db)
# 添加命令
manager.add_command('db', MigrateCommand)
if __name__ == '__main__':
manager.run()