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Modern JavaScript Web Development Cookbook
book

Modern JavaScript Web Development Cookbook

by Federico Kereki
December 2018
Intermediate to advanced
642 pages
15h 5m
English
Packt Publishing
Content preview from Modern JavaScript Web Development Cookbook

How it works...

Running the tests is simple: you just need to use npm test, in the same way that we did for Node, as follows:

 The Jest output is in the same style as we saw for Node; the Snapshots total will be explained later

Jest is set up to automatically watch for changes, so if you modify any file, testing will proceed again the q command will stop the watch mode, and you'll have to use a to run all tests, or p and t to filter some tests to run.

We have now seen how to test components. However, some extra work is needed, because in our examples, we haven't dealt with any Redux-related matters, such as dispatching actions or thunks; ...

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Publisher Resources

ISBN: 9781788992749