运行单元测试用例：python -m unittest discover
覆盖率：coverage run -m unittest discover
coverage report
import unittest
from app import app
from app.models import Todo
class TodoTestCase(unittest.TestCase):
def setUp(self):
self.app = app.test_client()
def tearDown(self):
todos = Todo.objects.all()
for todo in todos:
todo.delete()
def test_index(self):
rv = self.app.get('/')
assert "Todo" in rv.data
