Python编写单元测试代码实例

demo1.py
class MyClass():

  def __init__(self,x,y):
    self.x = x
    self.y = y

  def add(self):

    return self.x + self.y

  def sub(self):

    return self.x - self.y

import unittest
from unittset_demo.demo1 import MyClass


class MyclassTest(unittest.TestCase):
  def setUp(self) -> None:
    '''
    测试之前的准备工作
    :return:
    '''
    self.clac = MyClass(4,3)

  def tearDown(self) -> None:
    '''
    测试之后的收尾
    如关闭数据库
    :return:
    '''
    pass

  def test_add(self):
    ret = self.clac.add()
    self.assertEqual(ret,9) 

  def test_sub(self):
    ret = self.clac.sub()
    self.assertEqual(ret,-1)

if __name__ == '__main__':
  suite = unittest.TestSuite()
  suite.addTest(MyclassTest('test_add'))
  suite.addTest(MyclassTest('test_sub'))

  runner = unittest.TextTestRunner()
  runner.run(suite)

  def test_add(self):
    ret = self.clac.add()
    self.assertEqual(ret,2)

  def test_sub(self):
    ret = self.clac.sub()
    self.assertEqual(ret,3)

class StudentTest(TestCase):
 def setUp(self)；
  Student.objects.create(name='jack',age=13)

 def test_student_create(self):
  obj = Student.objects.get(name='jack')
  self.assertEqual(obj.age,18)

 class HomeTest(TestCase):
  def test_home_page_renders_home_template(self):
   response = self.client.get('/home/')  # 模拟浏览器
   self.assertEqual(response.status_code,200)
   self.assertTemplateUsed(response,'home.html')