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Ich bin selbständiger IT Berater und Unternehmer in der Internet und Software Branche. Ich beschäftige mich mit Design, Enterprise Applikationen, Web Apps und SaaS Produkten. Ich entwerfe und entwickle Business Lösungen und Anwendungen. Ich helfe Unternehmen in Sachen Software Qualität und Wissenstransfer, z.B. mit Angular und Spring Boot.

Performing Effective Code Reviews – A Checklist

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.A few years ago, software architect Surender Reddy Gutha compiled a - still quite relevant - Code Review Checklist. All too often, when performing code reviews, we as software engineers tend to focus on minute details such as code formatting rather than the big picture, non-functional requirements, or architecture and security considerations. Perhaps, the problem already originates with the term code review: Rather than reviewing code we are - or should be - reviewing ... Read more

Clearing the Spring Security Context During Unit Testing

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Last week I wrote about a minimal Spring Security Context setup for unit testing. I'd like to add just a tiny, yet depending on your use case perhaps quite important, tidbit to that: In case you need to reset a SecurityContext setup, e.g., a mocked user authentication, because, for instance, other test methods from the same unit test class verify behaviour for an unauthenticated application state and hence expect an anonymous user, you ... Read more

Minimal Spring Security Context Setup for Unit Testing

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Creating a minimal Spring Security setup for JUnit unit tests can be a tedious as well as somewhat daunting task. With its Authentication, Principal, GrantedAuthority, and UserDetails classes Spring Security is extremely flexible and configurable and probably accommodates pretty much every authentication and authorization use case under the sun. However, in software architecture such flexibility often comes at price, the trade-off in this case being that simple use cases can require more implementation effort ... Read more

In Favour of Keeping Changelogs

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Closely related to the art of the README, keeping a changelog can be tremendously helpful when reviewing or contributing to an existing software project or when trying to decide whether to use a new tool. keep a changelog by software developer Olivier Lacan is a website that reminds us of the benefits a "curated, chronologically ordered list of notable changes for each version of a project" provides. Moreover, the website also lists useful guidelines and ... Read more

SCuri: Automating Unit Test Boilerplate Code for Angular Components

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.As I wrote about quite some time ago in this blog post, which details my solution for managing transitive dependencies for Angular unit tests . although Angular applications in general are easily testable and unit tests are first-class citizens with the framework itself, there's still some potential for improvement when in it comes to test maintainability. In particular, listing and referencing an Angular component's dependencies (i.e. the dependencies of the system under test) such ... Read more

Towards More Considerate and More Collaborative Code Reviews

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Software engineer Dan Goslen recently published an article on how he's going to change his approach to code reviews. The most widely used organizational pattern for conducting code reviews probably is the pull request, also called merge request. This particular pattern and the tools source code management systems provides us with to support this pattern lend themselves to a review strategy that focuses on commenting on code and minute details rather than the big ... Read more

Opinion-driven Design: Simplicity Over Flexibility

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Software developer Brent Roose recently wrote a blog post on what he calls "opinion-driven design". His point his that while a mindset of "high configurability and flexibility" is undoubtedly common when it comes to the development of software frameworks and libraries, it ultimately is also misguided in most cases. In an attempt to both accommodate every possible use case and to remain in control (also known as the "Not invented here" (NIH) syndrome), framework developers ... Read more

Five Articles on Software Quality and Design Patterns

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.This week I'd like to point you to five articles I previously posted on this blog and from which I think that they're as relevant as they were at the time. The first three are about general software design principles, software architecture and software quality while the final two refer to specific best practices and common design patterns for Angular: Writing Disposable Code, Not Reusable Code (November 06, 2016) What Causes Over-engineering and How Can ... Read more

Kent Beck’s Novel Approach to Software Quality: test && commit || revert

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.In a Hanselminutes episode from December last year I heard preeminent programmer and agile advocate Kent Beck talk about his intriguing approach to creating working, high-quality code. In line with the steps this approach involves he calls it test && commit || revert. In lieu of the TDD circle of life (write test - test fails - write code - test passes - refactor - test fails ...) test && commit || revert has ... Read more

Dependency Management for Angular Unit Tests Using TestModuleMetadata

Leider ist der Eintrag nur auf Britisches Englisch verfügbar.Since its inception it's always been one of the eminent design goals of Angular (and AngularJS before it) to make JavaScript applications easily testable and bake unit and E2E testing right into the development process. While the Angular team certainly has succeeded at this there's still the occasional snag you hit when writing unit or end-to-end tests. For the most part, the testing experience with Angular is terrific and testing JavaScript codebases has come ... Read more
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