python – Flask test_client无法处理HTTP 204无数据

发布时间：2020-12-20 13:47:45 所属栏目：Python 来源：网络整理

导读：我删除了端点,返回HTTP 204 @blueprint.route('/foo',methods=['DELETE'])def delete_tag(id): # .... return '',204 我想测试一下 def test_delete_tag(self): resp = self.client.delete(url_for('tags.delete_tag',id=1)) self.assertEqual(resp.status_c

我删除了端点,返回HTTP 204

@blueprint.route('/foo',methods=['DELETE'])
def delete_tag(id):
    # ....
    return '',204

我想测试一下

def test_delete_tag(self):
    resp = self.client.delete(url_for('tags.delete_tag',id=1))
    self.assertEqual(resp.status_code,204)

但我得到了例外

Traceback (most recent call last):
  File "tests/tags_test.py",line 31,in test_delete_tag
    resp = self.client.delete(url_for('tags.delete_tag',id=1)})
  File ".virtualenvs/...site-packages/werkzeug/test.py",line 799,in delete
    return self.open(*args,**kw)
  File ".virtualenvs/...site-packages/flask/testing.py",line 108,in open
    follow_redirects=follow_redirects)
  File ".virtualenvs/...site-packages/werkzeug/test.py",line 742,in open
    response = self.run_wsgi_app(environ,buffered=buffered)
  File ".virtualenvs/...site-packages/werkzeug/test.py",line 659,in run_wsgi_app
    rv = run_wsgi_app(self.application,environ,buffered=buffered)
  File ".virtualenvs/.../site-packages/werkzeug/test.py",line 885,in run_wsgi_app
    buffer.append(next(app_iter))
StopIteration

响应状态200它一切正常.有没有办法如何修复测试？

解决方法

小瓶子app：

from flask import Flask,request
app = Flask(__name__)

@app.route('/foo',methods=['DELETE'])
def delete_tag():
    print "i got",request.form['id']
    return '',204

@app.route('/foo2/<id>',methods=['DELETE'])
def delete_tag2(id):
    print "i got.. .",id
    return '',204

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

并在ipython qtconsole中;我这样做了：

In [3]: from app import app

In [4]: from flask import url_for

In [5]: c = app.test_client()

In [6]: with app.test_request_context():
   ...:     rv = c.delete(url_for('delete_tag2',id=55))
   ...:     print rv.status_code
   ...:     
i got.. . 55
204

In [7]: rv = c.delete("/foo",data={"id": 555})
i got 555

In [8]: rv.status_code
Out[8]: 204

（编辑：李大同）

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