应用程序py
from flask import Flask, render_template, request,jsonify,json,g
import mysql.connector
app = Flask(__name__)
**class TestMySQL():**
@app.before_request
def before_request():
try:
g.db = mysql.connector.connect(user='root', password='root', database='mysql')
except mysql.connector.errors.Error as err:
resp = jsonify({'status': 500, 'error': "Error:{}".format(err)})
resp.status_code = 500
return resp
@app.route('/')
def input_info(self):
try:
cursor = g.db.cursor()
cursor.execute ('CREATE TABLE IF NOT EXISTS testmysql (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, name VARCHAR(40) NOT NULL, \
email VARCHAR(40) NOT NULL UNIQUE)')
cursor.close()
测试.py
from app import *
class Test(unittest.TestCase):
def test_connection1(self):
with patch('__main__.mysql.connector.connect') as mock_mysql_connector_connect:
object=TestMySQL()
object.before_request() """Runtime error on calling this"
我正在将app导入test.py以进行单元测试。在将'u request函数调用到test.py之前,它将抛出RuntimeError:working out of application context 调用“input_info()”时也会发生同样的情况
Flask有一个Application Context,看起来你需要做如下事情:
您也可以将
app.app_context()
调用推送到测试设置方法中。希望这有帮助。当我在使用
pytest
时遇到类似的问题时,我遵循了@brenns10的答案。我遵循了将其放入测试设置的建议,这是有效的:
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