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Parameterized integration tests with Spring JUnit Rules

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Spring 4.2 comes with brand new JUnit rules: SpringClassRule and SpringMethodRule. The main advantage of using JUnit rules is to let developers get rid of SpringJUnit4ClassRunner and utilize different JUnit runners in Spring integration tests. I think the biggest opportunity with Spring JUnit Rules is the ease of creating parameterized integration tests. The code to be tested For the purpose ...

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Building A Chat App With Codename One Part 5

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The chat UI is what we’ve been working at and in todays post we are going to build exactly that! Even better…​ We’ll integrate with Pubnub to make the app almost fully functional as a rudimentary chat app, which is pretty spectacular. In this section we’ll cover UI, storage (externalization), Pubnub & its JSON API…​ We’ll also use InteractionDialog to ...

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On programming in the summer

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In the summer my training and consulting business gets quiet. That allows me to take some holiday and to pursue some stuff I don’t get much time for otherwise. This summer I’ve picked up a programming idea I started last summer, worked on over Christmas and still haven’t finished. This means I’m programming! It is getting close to 10 years ...

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How to Use Continuous Planning

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If you’ve read Reasons for Continuous Planning, you might be wondering, “How can we do this?” Here are some ideas. You have a couple of preconditions: The teams get to done on features often. I like small stories that the team can finish in a day or so. The teams continuously integrate their features. Frequent features with continuous integration creates an ...

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Procedure-Like Functions in PostgreSQL PL/pgSQL

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PostgreSQL does not support stored procedures in the sense that a database such as Oracle does, but it does support stored functions. In this post, I look at a few tactics that can make the use of a stored function in PostgreSQL (stored function and its calling code both written in PL/pgSQL) feel like using a stored procedure. These simple ...

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Easily generate SSL certificates and htpasswd files with Docker

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So you don’t have installed OpenSSL or apache2-utils on your laptop, but you have Docker installed and you want to generate SSL (self-signed or not) certificates and an htpasswd file for basic authentication ? Follow those easy steps! Generate SSL certificates from a Docker container I gathered those steps from this nice article from Digital Ocean (How To Create a ...

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The Story with Story Points

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I don’t like story points. I think this is part of my crusade against complexity. You can catch a glimpse of  it here. Story points were invented as supporting beams for the bridge between business and development that would later be called agile. They started with a very good concept that wasn’t there before: The story. Remember those hundred page specs, and ...

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Hello World in Vaadin & DukeScript

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On the face of it, Vaadin—and GWT in general—has a lot in common with DukeScript. Both are focused on providing browser-oriented solutions for Java developers and have good integration with IDEs, thanks to their native support for Maven. However, these aspects are really all that they have in common. From the programming model, to how the frameworks process the code, to how applications are ...

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