django的单元测试怎么用呢?

在一个已经注册了的app里想测试model,写了如下测试:

# -*- coding:utf-8 -*-
from django.test import TestCase

# Create your tests here.
from group.models import Group


class GroupTestCase(TestCase):
    def setUp(self):
        print "开始存储数据"
        Group.objects.create(group_name="lion", group_info="roar")

但是运行的结果确实这样的,显示没有测试项,还需要什么测试么?

> zy@zy:~/code/python/app/git/app/webcode$ python manage.py test
Creating test database for alias 'default'...

----------------------------------------------------------------------
Ran 0 tests in 0.000s

OK
Destroying test database for alias 'default'...

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• 先在settings.py里INSTALLED_APPS确定是否安装了该app
• 测试文件要以tests.py命名

A conventional place for an application’s tests is in the application’s tests.py file; the testing system will automatically find tests in any file whose name begins with test.

参考:
https://docs.djangoproject.com/en/1.7/intro/tutorial05/#create-a-test-to-expose-the-bug

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测试方法要以 test 开头