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Python unittest-对输入和输出列表运行相同的测试_Python_Python Unittest - Fatal编程技术网

Python unittest-对输入和输出列表运行相同的测试

Python unittest-对输入和输出列表运行相同的测试,python,python-unittest,Python,Python Unittest,我有这个测试 import unittest class TestName(unittest.TestCase): def setUp(self): self.name = "Bob" self.expected_name = "Bob" def test_name(self): # ... some operation over self.name

我有这个测试

import unittest

class TestName(unittest.TestCase):

        def setUp(self):
                self.name = "Bob"
                self.expected_name = "Bob"


        def test_name(self):
                # ... some operation over self.name
                print self.name
                self.assertEquals(self.name, self.expected_name)

if __name__ == '__main__':
        unittest.main(verbosity=2)
如何为测试运行实例

对输入和输出列表运行相同的测试(
[“Bob”,“Alice”,…])
,可能类似于

TestName(name="Bob", expected_name="Bob")
TestName(name="Alice", expected_name="Alice")

我会在这里使用mixin或元类,因为unittest查找的是类,而不是实例

class TestMixin (object):
    def test_name ():
        print self.name

class TestName (unittest.TestCase, TestMixin):
    ...
退房

DDT允许您通过使用不同的测试数据运行一个测试用例来倍增测试用例,使其显示为多个测试用例

考虑这个例子,使用滴滴涕:

import unittest

from ddt import ddt, data, unpack


@ddt
class TestName(unittest.TestCase):

        # simple decorator usage:
        @data(1, 2)
        def test_greater_than_zero(self, value):
            self.assertGreater(value, 0)

        # passing data in tuples to achieve the 
        # scenarios from your given example:
        @data(('Bob', 'Bob'), ('Alice', 'Alice'))
        @unpack
        def test_name(self, first_value, second_value):
            name, expected_name = first_value, second_value
            self.assertEquals(name, expected_name)

if __name__ == '__main__':
        unittest.main(verbosity=2)
我在上面的代码中定义了2个测试方法,但是将使用我在decorator中提供的数据运行4个测试用例

输出:

test_greater_than_zero_1 (__main__.TestName) ... ok
test_greater_than_zero_2 (__main__.TestName) ... ok
test_name_('Alice', 'Alice') (__main__.TestName) ... ok
test_name_('Bob', 'Bob') (__main__.TestName) ... ok

----------------------------------------------------------------------
Ran 4 tests in 0.000s

OK

仅供参考,看看package.related:,如果我的测试输入存储在一个变量(例如列表)中,这将如何工作?