unittest 原名为 PyUnit,是由 java 的 JUnit 衍生而来
unittest库提供了test cases, test suites, test fixtures,test runner。
整体结构
待测试的类:
class Count:
def __init__(self,a,b):
self.a = a
self.b = b
def add(self):
return self.a+self.b
示例1:
import unittest
class TestDemo(unittest.TestCase):
def setUp(self):
print("setUp")
def test_add(self):
z = Count(2,3)
self.assertEqual(z.add(),5)
def test_invid_add(self):
z = Count(2, 3)
self.assertNotEqual(z.add(),6)
def tearDown(self):
print("tearDown")
if __name__=="__main__":
suit=unittest.TestSuite()#在pycharm中,手动修改以一般python文件方式去运行
suit.addTest(TestDemo("test_invid_add"))
suit.addTest(TestDemo("test_add"))
runner=unittest.TextTestRunner()
runner.run(suit)
# unittest.main() #默认按照字母和数字顺序执行,等同于unittest.makeSuite(test)
示例2:
import unittest
lass TestDemo(unittest.TestCase):
@classmethod
def setUpClass(cls):
print("setUpClass")
def test_add(self):
print("test_add")
z = Count(2,3)
self.assertEqual(z.add(),5)
def test_invid_add(self):
print("test_invid_add")
z = Count(2, 3)
self.assertNotEqual(z.add(),6)
@classmethod
def tearDownClass(cls):
print("tearDownClass")
if __name__=="__main__":
suit=unittest.TestSuite()
suit.addTest(TestDemo("test_time"))
suit.addTest(TestDemo("test_add"))
suit.addTest(TestDemo("test_invid_add"))
runner=unittest.TextTestRunner()
runner.run(suit)
从以上2个示例可知道:
suit.addTest()
的方式去指定