Test Driven Development in Ionic 2: Navigation and Spies

By Josh Morony

In the previous tutorial in this series, we covered the concept of mocks and creating a fake backend that we could make HTTP requests to. The general idea is that we want to isolate the thing we are testing, we don’t want external dependencies complicating our unit tests.

We have been taking a Test Driven Development to developing a simple eCommerce application, which means that we write the tests for our code before we write the code itself. If you are not familiar with this concept, I’d recommend going back and reading earlier tutorials in this series.

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