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In this series we're gonna learn
how to test iOS applications.
Now we can use the framework XCTest to exercise our code
and to prove that it actually works while we're building it.
This can be an invaluable tool to get realtime feedback
from our code and make sure that it actually works
before we actually integrate it into the live application.
It can also give us a really good benefit for making sure
that our application still works
as we make changes down the line.
If we refactor things, we add new features,
we wanna make sure we don't break old things.
As we expand to more devices and more features
and the project grows, having a good, reliable set of tests
can be an invaluable asset to your project.
Unfortunately, testing is not really that commonplace
in iOS community, in part because the tooling
is not quite as good as some other platforms
and also in part because testing requires patience
and diligence and discipline and practice.
And sometimes it can be difficult to even get started.
Where do I get started writing applications using tests?
How do I test my code?
How do I write my code in a way that it's testable?
Sometimes it can be a little bit daunting
to figure out even how to get started.
So in this series we're gonna take a look at how
to test iOS applications from the ground up.
We're gonna start with just the basic building blocks
of writing tests and test design and test style.
And then we're gonna talk about building a real application
and the parts of the application
that we can actually test easily.