Codete Blog

Software Development

QA and Testing

QA Engineers and Software Testers: Are They Really So Different?

29/08/2021 |

6 min read

Dominika Reszke

Software Testers and QA Engineers are simply two different sides of the same coin called quality assurance. QA Engineers’ role is making as few mistakes as possible, while the Testers’ task is to find the most bugs possible.

QA and Testing

Software Development

Value Objects – An Ultimate Weapon in the War Against Primitives

24/04/2017 |

10 min read

Sławomir Jabłeka

Developers around the world have embraced the object-oriented programming paradigm in order to create quality applications. But while trying to model complex structures and behaviors, somehow we forgot to appropriately represent simple values. That’s where value objects come into play.

Software Development

QA and Testing

Decision Table. How Can You Use It in Software Testing?

20/07/2021 |

9 min read

Krzysztof Bezrąk

Decision Table Testing is an efficient way to evaluate a system's behavior in response to a variety of input combinations. It is a well-known technique for developing black box test scenarios for complex business logic. Is it useful in software testing as well?

Software Development

Frontend Development

QA and Testing

Testing Front-end Apps with Testing Library

28/06/2021 |

10 min read

Krzysztof Bezrąk

In the past, it was quite common to only test frontend with E2E tests. It was hard to apply other testing techniques. Thankfully, nowadays we usually work with component-oriented libraries and frameworks — be it React, Angular, Vue or Svelte.

QA and Testing

Testing Spring Boot application with JUnit and different Runners

17/03/2020 |

17 min read

Ryszard Kuśnierczyk

This article is not about how JUnit runners work internally. It's about a huge variety of Runners which are already implemented and ready to be used out of the box. We will focus only on Runners, which can be declared directly inside @RunWith annotation.

Software Development

QA and Testing

Machine Learning

How to Make Regression Testing Easier with Machine Learning – QAcheck.dev

31/07/2019 |

6 min read

Karol Przystalski

To help development teams track all visual changes and compare them to previous app versions, our experts have developed a new tool that uses powerful ML algorithms. QAcheck.dev helps teams to avoid unexpected style changes and streamline the UI design process.

Software Development

QA and Testing

HealthCheck Library

14/07/2017 |

6 min read

Maciej Malarz

Given that we have high code coverage, mutation testing employed, and end-to-end tests implemented – can we say that our system is bulletproof? Or should we better spend an additional day to write system health checks to ensure our live application is really doing its job?