擅长:python、mysql、java
<p>您应该模拟实例方法<code>parse_string</code>,而不是类方法。在</p>
<pre><code>In [22]: import mock
In [23]: ParseMock = mock.Mock()
In [24]: instance = ParseMock.return_value
In [25]: instance.parse_string.return_value = True
In [26]: parser = ParseMock()
In [27]: parser.parse_string("foo")
Out[27]: True
</code></pre>