[TIP] Generating fixture data with the fixture module

[Martin Pool]

Are you talking about <http://pypi.python.org/pypi/fixtures> or something
else?  What does your current fixture-using code look like?

For things where you want to repeat a test over a possibly dynamically
generated set of conditions, <http://pypi.python.org/pypi/testscenarios> is
good.


On 22 November 2012 04:54, Rachel Sanders <rachel at trustrachel.com> wrote:

> I'm working with the fixture module for the first time, trying to get a
> better set of testing data so I can make our functional tests more complete.
>
> I'm finding the fixture module a bit clunky, and I'm hoping it's just
> because I'm going at this wrong. This is a Flask/SQLAlchemy app in Python
> 2.7, and we're using nose as a test runner.
>
> So I have a set of employees. Employees have roles. There's a few pages in
> our app with  complex permissions, and I'd like to make sure those are
> tested fully.
>
> I created a DataSet that has each type of role (there's about 15 roles in
> our app):
>
> class EmployeeData(DataSet):
>
>   class Meta:
>     storable = Employee
>
>   class engineer:
>     username = "engineer"
>     role = ROLE_ENGINEER
>
>   class manager:
>     username = "manager"
>     role = ROLE_MANAGER
>
>   class admin:
>     username = "admin"
>     role = ROLE_ADMIN
>
> and what I'd like to do is write a functional test that checks only the
> right people can access a page. (The actual permissions are way more
> complicated, I just wanted a toy example to show you.)
>
> Something like this:
>
> def test_only_admin_can_see_this_page():
>
>   for employee in Employee.query.all():
>     login(employee)
>
>     with self.app.test_request_context('/'):
>       response = self.test_client.get(ADMIN_PAGE)
>       if employee.role == ROLE_ADMIN
>         eq_(200, response.status_code)
>       else:
>         eq_(401, response.status_code)
>
>     logout(employee)
>
> Is there a way to generate the fixture data so we don't have to remember
> to add a line to the fixtures every time we add a role? We have the
> canonical list of all roles as configuration elsewhere in the app, so I
> have that.
>
> I'm not wedded to any of this or the fixture module, so I'm happy to hear
> suggestions!
>
> I also asked this question over at StackOverflow, so if any of the code
> doesn't come through right, you can see it there:
>
> http://stackoverflow.com/questions/13480955/generating-fixture-data-with-pythons-fixture-module
>
> thanks in advance,
> Rachel
>
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>


-- 
Martin
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