This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
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Project Description

pytest_gae

It is pytest plugin that helps You to test applications written with Google’s AppEngine.

Options

  • –with-gae: Turns on this plugin
  • –gae-path: AppEngine’s root (default google_appengine)
  • –gae-project-path: Your project’s root (default ./)

Limitation

Plugin does not prevent You from using code/modules that AppEngine’s environment refuse to execute. So, You can easily do something like that:

import socket
import numpy

And tests just pass. But You can not run this code on AppEngine environment, because of sandboxing. See: AppEngine Docs

This plugin uses internal AppEngine’s code and there is no guarantee that Google is not going to change it.

Others

This project was inspired by nose-gae plugin for nose

http://code.google.com/p/nose-gae/

Usage example

Let assume we have a directory that looks something like that

./
|-- gae               # AppEngine's root
|   |-- ...
|-- src               # Your project's root
|   |-- app.yaml
|   |-- index.yaml
|   |-- main.py
|-- tests             # Tests' dir
    |-- test_handlers.py
    |-- test_models.py

main.py:

#!/usr/bin/env python
from google.appengine.ext import webapp
from google.appengine.ext.webapp import util
from google.appengine.ext.webapp.util import login_required
from google.appengine.api import users
from google.appengine.ext import db


class MyModel(db.Model):
    my_field = db.StringProperty(required=False)


class IndexHandler(webapp.RequestHandler):
    def get(self):
        self.response.out.write('Index')


class UsersHandler(webapp.RequestHandler):

    @login_required
    def get(self):
        if users.is_current_user_admin():
            self.response.out.write('Admin')
        else:
            self.response.out.write('User')


def make_application():
    return webapp.WSGIApplication([('/index', IndexHandler),
                                   ('/users', UsersHandler)], debug=True)


def main():
    application = make_application()
    util.run_wsgi_app(application)


if __name__ == '__main__':
    main()

Testing models

test_models.py:

from google.appengine.ext import db
import pytest

from main import MyModel


def test_basic():
    m = MyModel(my_field='Foo')
    assert 'Foo' == m.my_field


def test_new_model():
    m = MyModel(my_field='Foo')
    pytest.raises(db.NotSavedError, lambda: m.key())


def test_saved_model():
    m = MyModel(my_field='Foo')
    m.put()
    assert m.key()

Using with WebTest

We could test our handlers with the help of WebTest library.

We would create three funcargs’ functions that allows us to test application:

  • From anonymous user perspective
  • From authorized user perspective
  • From admin perspective

We could do that by altering os.enviroment

test_handlers.py:

import os

from webtest import TestApp
from main import make_application


def pytest_funcarg__anon_app(request):
    os.environ.update({'USER_EMAIL': '',
                       'USER_ID': '',
                       'AUTH_DOMAIN': 'google',
                       'USER_IS_ADMIN': '0'})
    return TestApp(make_application())


def pytest_funcarg__user_app(request):
    os.environ.update({'USER_EMAIL': 'simple@google.com',
                       'USER_ID': '1',
                       'AUTH_DOMAIN': 'google',
                       'USER_IS_ADMIN': '0'})
    return TestApp(make_application())


def pytest_funcarg__admin_app(request):
    os.environ.update({'USER_EMAIL': 'admin@google.com',
                       'USER_ID': '2',
                       'AUTH_DOMAIN': 'google',
                       'USER_IS_ADMIN': '1'})
    return TestApp(make_application())


def test_index(anon_app):
    assert "Index" in anon_app.get('/index')


def test_user_with_user(user_app):
    assert "User" in user_app.get('/users')


def test_user_with_anon(anon_app):
    assert '302 Moved Temporarily' == anon_app.get('/users').status


def test_user_with_admin(admin_app):
    assert "Admin" in admin_app.get('/users')

Running

py.test tests --with-gae --gae-path=gae --gae-project-path=./src/ :
platform linux2 -- Python 2.7.12, pytest-2.9.2, py-1.4.31, pluggy-0.3.1
collected 7 items

tests/test_handlers.py ....
tests/test_models.py ...

============ 7 passed in 0.64 seconds ============
Release History

Release History

0.2.4

This version

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0.2.1

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0.2

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
pytest_gae-0.2.4.tar.gz (5.0 kB) Copy SHA256 Checksum SHA256 Source Aug 3, 2016

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