<div dir="ltr"><div style>I have some guesses about this, which I elaborated on in:</div><a href="http://stackoverflow.com/a/15280350/1309332">http://stackoverflow.com/a/15280350/1309332</a><div><br></div><div style>But basically, it looks like the recursive calls to create_autospec() are slowing down on your mocked object (whatever it is). ID recommend one of three approaches:</div>
<div style>1. Don't autospec. Do you need it?</div><div style>2. Only autospec some important method within the complex object that you are replacing</div><div style>3. use instance=True to limit the depth of recursion of calls to create_autospec(). This may change behavior that you are depending upon, however. Be careful, since you are essentially lying to mock.patch if you do this.</div>
<div style><br></div><div style>Good luck!</div><div style>-Dan W.</div><div><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Mar 6, 2013 at 12:00 PM, <span dir="ltr"><<a href="mailto:testing-in-python-request@lists.idyll.org" target="_blank">testing-in-python-request@lists.idyll.org</a>></span> wrote:<br>
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<br>Today's Topics:<br>
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1. Bug with nosetests? Adding a new case with autospec=True will<br>
take 15 seconds (John Wong)<br>
<br><br>---------- Forwarded message ----------<br>From: John Wong <<a href="mailto:gokoproject@gmail.com">gokoproject@gmail.com</a>><br>To: <a href="mailto:testing-in-python@lists.idyll.org">testing-in-python@lists.idyll.org</a><br>
Cc: <br>Date: Tue, 5 Mar 2013 22:57:29 -0500<br>Subject: [TIP] Bug with nosetests? Adding a new case with autospec=True will take 15 seconds<br>HI,<div><br></div><div>Thanks for all the help so far.</div><div><br></div><div>
Here is the repo: <a href="https://bitbucket.org/yeukhon/bitbucket-python-api/src/6e57e95d5d09/tests/small?at=default" target="_blank">https://bitbucket.org/yeukhon/bitbucket-python-api/src/6e57e95d5d09/tests/small?at=default</a></div>
<div><br></div><div>I have a base unit test class in base.py. For test_bitbucket.py, I inherit from the base unit test class.</div><div>I want to add new test cases and classes to test_bitbucket.py While doing so, I discovered performance issue.</div>
<div><br></div><div>I ran `nosetests` inside tests/small and I am getting these mix results</div><div><br></div><div><br></div><div>Ran 18 tests in 14.523s - autospec=True and test_account_creation exists</div><div>
<div><br></div></div><div>Ran 18 tests in 0.621s - autospec=False and test_account_creation_exists</div><div><br></div><div><br></div><div>Ran 17 tests in 1.081s - autospec=True and test_account_creation is deleted</div>
<div><br></div><div><div>Ran 17 tests in 0.090s - autospec=False, and test_account_creation is deleted</div></div><div><br></div><div><br></div><div>I understand requests is a big library, but the performance hit is crazy, going from 1.1s to 14.5s with and without the new test class, respectively.</div>
<div><br></div><div>Interestingly, if we run test_bitbucket.py individually.</div><div><br></div><div><div>(bbpy)yeukhon@yeukhon-P5E-VM-DO:~/hg/bitbucket-python-api/tests/small$ nosetests test_bitbucket.py</div><div>...</div>
<div>----------------------------------------------------------------------</div><div>Ran 3 tests in 0.090s</div><div><br></div><div>OK</div></div><div><br></div><div><br></div><div>Pretty much the same with/without autospec on.</div>
<div><br></div><div>Any idea? I don't know enough about nosetests internal.</div><div><br></div><div>Thanks!</div><div><br></div><div>John</div>
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