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当我运行单元测试来测试两个整数是否相等时,我得到一个断言错误异常,而不是 unittest 报告失败,然后继续进行下一个测试。这是测试代码(为了证明这一点,大大简化了)。

import unittest

class TestClass(unittest.TestCase):

    def test_method(self):
        myVariable = 1
        self.assertTrue(myVariable==0)

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

回溯如下:

builtins.AssertionError: False is not true
File "C:\Dev\Volleyball\test.py", line 10, in <module>
  unittest.main()
File "C:\Program Files\python32\Lib\unittest\main.py", line 124, in __init__
  self.runTests()
File "C:\Program Files\python32\Lib\unittest\main.py", line 270, in runTests
  self.result = testRunner.run(self.test)
File "C:\Program Files\python32\Lib\unittest\runner.py", line 168, in run
  test(result)
File "C:\Program Files\python32\Lib\unittest\suite.py", line 67, in __call__
  return self.run(*args, **kwds)
File "C:\Program Files\python32\Lib\unittest\suite.py", line 105, in run
  test(result)
File "C:\Program Files\python32\Lib\unittest\suite.py", line 67, in __call__
  return self.run(*args, **kwds)
File "C:\Program Files\python32\Lib\unittest\suite.py", line 105, in run
  test(result)
File "C:\Program Files\python32\Lib\unittest\case.py", line 498, in __call__
  return self.run(*args, **kwds)
File "C:\Program Files\python32\Lib\unittest\case.py", line 446, in run
  self._executeTestPart(testMethod, outcome, isTest=True)
File "C:\Program Files\python32\Lib\unittest\case.py", line 391, in _executeTestPart
  function()
File "C:\Dev\Volleyball\test.py", line 7, in test_method
  self.assertTrue(myVariable==0)
File "C:\Program Files\python32\Lib\unittest\case.py", line 527, in assertTrue
  raise self.failureException(msg)

我做错了什么,还是我误解了测试断言的工作原理?

作为记录,我在 Windows 7 上使用 Python 3.2.1。

TIA,艾伦

4

2 回答 2

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对 - 感谢@agf,我已经达成了可以接受的妥协。我已从“调试器:异常”的“始终报告”部分中删除了 AssertionError,现在调试器不再停止断言。不利的一面是,虽然在运行测试脚本时这很好(因为我会在失败列表中看到结果),但在运行“真实”程序时,我必须密切关注“调试 I/O”输出到查看断言。

感谢所有回复的人。

艾伦

于 2011-08-19T17:20:35.403 回答
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而不是 self.assertTrue(myVariable==0) 尝试使用 self.assertEqual(myVariable, 0)

于 2011-08-30T18:19:38.933 回答