DEV Community

DEV Community is a community of 553,512 amazing developers

We're a place where coders share, stay up-to-date and grow their careers.

Create new account Log in

loading...

Jan Van Ryswyck

Owner @ Principal IT, husband, father of three, geek, enjoys running, fan boy of many things but nothing in particular.

Brecht Joined on Sep 1, 2019

Work

Software craftsman at Principal IT

Jan Van Ryswyck

Jan 6

Avoid Inheritance For Test Classes

#unittests #tdd #testing #softwaredesign

4 min read

Jan Van Ryswyck

Nov 11 '20

How To Write Unit Tests For Logging

#unittests #tdd #testing #softwaredesign

4 min read

Jan Van Ryswyck

Sep 30 '20

Prevent domain knowledge from sneaking into solitary tests

#unittests #tdd #testing #softwaredesign

3 min read

Jan Van Ryswyck

Sep 9 '20

Why Solitary Tests Should Be Easy To Read

#unittests #tdd #testing #softwaredesign

3 min read

Jan Van Ryswyck

Aug 19 '20

Tales Of TDD - Stressed And Always In A Hurry

#unittests #tdd #testing #softwaredesign

5 min read

Jan Van Ryswyck

Aug 4 '20

Dealing With Date/Time In Solitary Tests

#unittests #tdd #testing #softwaredesign

4 min read

Jan Van Ryswyck

Jul 15 '20

Announcing Book: Writing Maintainable Unit Tests

#books #tdd #unittests #softwaredesign

1 min read

Jan Van Ryswyck

Jul 1 '20

Only Test Through Public Interfaces

#unittests #tdd #testing #softwaredesign

3 min read

Jan Van Ryswyck

Jun 17 '20

Inside-Out and Outside-In TDD

#unittests #tdd #testing #softwaredesign

4 min read

Jan Van Ryswyck

Jun 3 '20

Test Double Heuristics

#unittests #tdd #testing #softwaredesign

4 min read

Jan Van Ryswyck

May 20 '20

Excessive Specification of Test Doubles

#unittests #tdd #testing #softwaredesign

2 min read

Jan Van Ryswyck

May 5 '20

The Boundaries of Solitary Tests

#unittests #tdd #testing #softwaredesign

7 min read

Jan Van Ryswyck

Apr 8 '20

Test Doubles

#unittests #tdd #testing #softwaredesign

10 min read

Jan Van Ryswyck

Apr 1 '20

Indirect Inputs and Outputs

#unittests #tdd #testing #softwaredesign

4 min read

Jan Van Ryswyck

Mar 25 '20

State versus Behaviour Verification

#unittests #tdd #testing #softwaredesign

5 min read

Jan Van Ryswyck

Mar 18 '20

Cascading Failures

#unittests #tdd #testing #softwaredesign

7 min read

Jan Van Ryswyck

Mar 11 '20

The Designing versus Testing Mindset

#unittests #tdd #testing #softwaredesign

2 min read

Jan Van Ryswyck

Mar 4 '20

Why Write Maintainable Unit Tests?

#unittests #tdd #testing #softwaredesign

3 min read

Jan Van Ryswyck

Feb 26 '20

Writing Maintainable Unit Tests

#tdd #testing #softwaredesign #training

1 min read

Jan Van Ryswyck

Nov 7 '19

The Test Pyramid

#tdd #testing #softwaredesign

3 min read

Jan Van Ryswyck

Oct 8 '19

A Taxonomy Of Tests

#tdd #testing

3 min read

Jan Van Ryswyck

Sep 9 '19

Do-nothing Scripting

#devops #automation #scripting

1 min read

Jan Van Ryswyck

Sep 5 '19

Switched From Opera to Vivaldi

#privacy #security

1 min read

Jan Van Ryswyck

Sep 10 '19

Fast Feedback

#tdd #swdesign #clojure #architecture

4 min read

Jan Van Ryswyck

Sep 10 '19

Debugability Considered Useful

#swdesign #architecture

3 min read

Jan Van Ryswyck

Sep 10 '19

Blaming Mocks For Bad Design

#tdd #architecture #swdesign

4 min read

Jan Van Ryswyck

Sep 10 '19

Listening to the Vital Signs of TDD

#tdd #architecture #swdesign

6 min read

Jan Van Ryswyck

Sep 10 '19

All in the Name of DRY

#swdesign #architecture

4 min read

Jan Van Ryswyck

Sep 10 '19

Memo on O-Ring and Software Erosion

#career #coreskills

3 min read

loading...