Tag Archives: node.js

sinon vs rewire: when do I use which?

Posted on 2016-03-27 by Joost

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

Posted on 2016-03-14 by Joost

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 5: spying

Posted on 2016-03-06 by Joost

Previous: part 4 – Next: part 6 You can also find the code below in the src/unit-test-3  dir of my blog code repository. Spying sounds really cool. I have to disappoint you. Unfortunately (or maybe not), spying in the world of unit … Continue reading →

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Checking log4js output in your node.js testsuite

Posted on 2015-09-27 by Joost

This post will teach you how to test log4js  log statements in your code. You can also find the code below in the `src/log4js-unittest` dir of my blog code repository. Let’s say that we have written this simple node.js module, foo.js . … Continue reading →

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Combining mongoose and Q in node.js

Posted on 2015-09-18 by Joost

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

Posted on 2014-12-15 by Joost

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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