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Spying with Sinon.JS

Spying with Sinon.JS: Advanced Express Web Application Development (2016)
Spying with Sinon.JS: Advanced Express Web Application Development (2016)

When implementing things such as caches, there's no way to prove that we actually try and fetch the data from the cache before hitting an external service. Using Sinon, we can spy on methods to make sure that they're actually called.

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Skill Level Intermediate
2h 50m
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Skills covered in this course
Web Web Development Express.js

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