unittest指定跳过某些方法

@unittest.skip("skipping")

a=10
@unittest.skipIf(a > 5, "condition is not satisfied!")

@unittest.skipUnless(sys.platform.startswith("Linux"), "requires Linux")

import random
import unittest
import sys

class TestSequenceFunctions(unittest.TestCase):
    a = 10
    def setUp(self):
        self.seq = list(range(10))

    @unittest.skip("skipping") # 无条件忽略该测试方法
    def test_shuffle(self):
        random.shuffle(self.seq)
        self.seq.sort()
        self.assertEqual(self.seq, list(range(10)))
        self.assertRaises(TypeError, random.shuffle, (1, 2, 3))

    # 如果变量a > 5，则忽略该测试方法
    @unittest.skipIf(a > 5, "condition is not satisfied!")
    def test_choice(self):
        element = random.choice(self.seq)
        self.assertTrue(element in self.seq)

    # 除非执行测试用例的平台是Linux平台，否则忽略该测试方法  win32是windows
    @unittest.skipUnless(sys.platform.startswith("Linux"), "requires Linux")
    def test_sample(self):
        with self.assertRaises(ValueError):
            random.sample(self.seq, 20)
        for element in random.sample(self.seq, 5):
            self.assertTrue(element in self.seq)


if __name__ == ‘__main__‘:
     unittest.main()