Building Data-Driven Web Apps with Pyramid and SQLAlchemy Transcripts
Chapter: Testing web apps
Lecture: Organizing your tests
Login or
purchase this course
to watch this video and the rest of the course contents.
0:00
We've gone through several rounds
0:01
of reorganizing our code in our pyramid web application.
0:05
And it may be sometimes hard to see the value in this
0:09
but as your app grows and grows the better organized it is
0:14
the less weight you get put onto you
0:18
conceptually to try to keep all that in your head.
0:21
So really important organization, makes a lot of sense.
0:24
We saw that we did this with the templates
0:26
we did this with controllers
0:27
we did this with the view models.
0:30
Guess what? We're going to do it with tests as well.
0:32
And because the tests usually have to do with either
0:36
a URL, the view model or the view method
0:40
these are all grouped into controllers so far.
0:43
So, it makes sense to go ahead and group them by controller.
0:46
So, it doesn't have to be this way
0:49
but it certainly seems like a decent way to get started
0:52
and you can do additional organizing if you want.
0:55
So we also have a HomeController and a PackageController
0:59
so we have their respective tests as well.
1:01
We didn't write any for the CMS stuff yet so none of those.
1:05
Now, another thing that's really helpful is if we have a site map in.
1:10
We'll talk about this at the end of this chapter
1:13
having a site map. Which is basically just a XML document that lists
1:18
all of the publicly accessible URLs on your site
1:22
even if they're not directly linked
1:23
so that things like Google and Bing can find
1:25
and search your site.
1:27
We could leverage that site map to cover a bunch of cases.
1:31
You'd be really surprised how often you get hard failures
1:35
instead of what you might consider a soft failure
1:37
if something goes wrong.
1:39
If I request the package page but for some reason
1:41
the package query is wrong?
1:43
Probably I'm going to get just nothing back
1:45
in which case the template is going to crash
1:47
or something else is going to crash because
1:49
the None type doesn't have whatever they're trying to do.
1:52
So, simply requesting every page on your site
1:55
and just checking that those come back with success codes
1:58
and not failure codes?
1:59
That's really actually pretty valuable.
2:02
You can test a lot of semi important
2:04
not super important things that way.
2:07
All right, so we'll talk about that as well
2:09
but we're going to focus on testing the internal logic
2:12
of these various controllers, view models and so on.
2:14
And here's an organization that will help us
2:17
keep that all straight and clean.
