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François Freitag 3fca95e1ad Fixed #28312 -- Made ModelChoiceIterator.__len__() more memory-efficient.
Instead of loading all QuerySet results in memory, count the number of
entries. This adds an extra query when list() or tuple() is called on the
choices (because both call __len__() then __iter__()) but uses less
memory since the QuerySet results won't be cached. In most cases, the
choices will only be iterated on, meaning that __len__() won't be called
and only one query will be executed.
2018-04-23 12:39:43 -04:00
..
2018-02-02 08:47:32 +01:00
2017-06-01 13:23:48 -04:00

To run the test suite, first, create and activate a virtual environment. Then
install some requirements and run the tests::

    $ cd tests
    $ pip install -e ..
    $ pip install -r requirements/py3.txt
    $ ./runtests.py

For more information about the test suite, see
https://docs.djangoproject.com/en/dev/internals/contributing/writing-code/unit-tests/.