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============
Adding Tests
============
We will now add tests for the models and the views and a few functional
tests in the ``tests.py``. Tests ensure that an application works, and
that it continues to work after some changes are made in the future.
Testing the Models
==================
We write a test class for the model class ``Page`` and another test class
for the ``initialize_sql`` function.
To do so, we'll retain the ``tutorial.tests.ViewTests`` class provided as a
result of the ``pyramid_routesalchemy`` project generator. We'll add two
test classes: one for the ``Page`` model named ``PageModelTests``, one for the
``initialize_sql`` function named ``InitializeSqlTests``.
Testing the Views
=================
We'll modify our ``tests.py`` file, adding tests for each view function we
added above. As a result, we'll *delete* the ``ViewTests`` test in the file,
and add four other test classes: ``ViewWikiTests``, ``ViewPageTests``,
``AddPageTests``, and ``EditPageTests``. These test the ``view_wiki``,
``view_page``, ``add_page``, and ``edit_page`` views respectively.
Functional tests
================
We test the whole application, covering security aspects that are not
tested in the unit tests, like logging in, logging out, checking that
the ``viewer`` user cannot add or edit pages, but the ``editor`` user
can, and so on.
Viewing the results of all our edits to ``tests.py``
====================================================
Once we're done with the ``tests.py`` module, it will look a lot like the
below:
.. literalinclude:: src/tests/tutorial/tests.py
:linenos:
:language: python
Running the Tests
=================
We can run these tests by using ``setup.py test`` in the same way we did in
:ref:`running_tests`. Assuming our shell's current working directory is the
"tutorial" distribution directory:
On UNIX:
.. code-block:: text
$ ../bin/python setup.py test -q
On Windows:
.. code-block:: text
c:\pyramidtut\tutorial> ..\Scripts\python setup.py test -q
The expected result looks something like:
.. code-block:: text
......................
----------------------------------------------------------------------
Ran 22 tests in 2.700s
OK
|
