擅长:python、mysql、java
<p>从2.7开始,可以将<a href="http://docs.python.org/library/unittest.html#unittest.TestCase.assertRaises" rel="nofollow">^{<cd1>}</a>与上下文管理器一起使用:</p>
<pre><code>with self.assertRaises(SomeException) as cm:
do_something()
the_exception = cm.exception
self.assertEqual(the_exception.error_code, 3)
</code></pre>