Tag Archives: javascript

sinon vs rewire: when do I use which?

In node.js testing, there are 2 helper modules that I use often: sinon and rewire. Sinon allows you to monkey-patch functions, while rewire allows you to… monkey-patch functions. Both modules have other uses as well, but in this post I’m … Continue reading

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Automated software testing part 6: stubbing

Previous: part 5 You can also find the code below in the src/unit-test-4   dir of my blog code repository. In the previous post, we talked about spying. With a test spy, you can spy on method calls and see how … Continue reading

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Automated software testing part 2: testing strategy, or what to test

Previous: part 1 – Next: part 3 If you have done or read anything about unit testing, I’m sure you’ve encountered the standard example of a function that multiplies two numbers and returns the result. This function is pretty easy to test. Once … Continue reading

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Combining mongoose and Q in node.js

This post will teach you how to write promise-based mongoose code, using Kris Kowal’s Q library. You can also find the code below in the src/mongoose-and-q dir of my blog code repository. We have a mongo database with 3 collections: users, … Continue reading

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Processing an array of promises sequentially in node.js

This post describes how you can perform a sequence of promises sequentially – one after another – using Kriskowal’s Q library in node.js. If you’re just interested in how to do this, and not in the other examples, scroll down … Continue reading

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