擅长:python、mysql、java
<p>您可以将<code>longMessage</code>属性设置为<code>True</code></p>
<pre><code>expected_age = 42
actual_age = person.age # 39
self.longMessage = True
self.assertEqual(expected_age, actual_age, 'age incorrect')
</code></pre>
<p>你会得到这样的东西:</p>
<pre><code>AssertionError: 42 != 39 : age incorrect
</code></pre>
<p>引用:<a href="https://docs.python.org/2/library/unittest.html#unittest.TestCase.longMessage">https://docs.python.org/2/library/unittest.html#unittest.TestCase.longMessage</a></p>