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Databases

Visualizing Influx metrics with Grafana

Grafana is a data visualization and monitoring tool allowing you to show metrics stored for example in InfluxDB as charts. It gives you possibility to […]
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Python Quality Assurance

Mocking objects with Python

Mocking is just pretending to be and simulating specific behavior, we can replace our code’s parts with fake objects and verify how system behaves. At […]
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Java Quality Assurance

Introduction to performance tests using JMeter

JMeter is an open-source JAVA-based load testing tool for measuring and analyzing performance of services and applications. It simulates user behavior by sending requests to […]
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Databases

Using InfluxDB to store performance metrics

InfluxDB it is a database oriented on time series. It was designed to accept large number of queries and write requests. It is perfect for […]
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Pytest
Python Quality Assurance

Pytest – czemu cieszy się większą popularnością niż unittest?

W swojej karierze zawodowej pisałem testy w obu frameworkach: zarówno unittest, jak i pytest. Oba rozwiązania to świetne narzędzia z różnymi wadami i zaletami, ale […]
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Java Quality Assurance

Parametrized tests – solutions overview (TestNG, JUnit4, JUnit5)

Parametrized tests are a lot easier to maintain. Usually when single requirement changes it’s enough to change one variable in the code. You don’t have […]
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Quality Assurance Front-end

How to make Nigthwatch.js library work with async/await?

Although it’s quite powerful tool, you need to customize it to get the full benefit of it. One of these improvements is usage of async/await commands (from […]
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Code Review
Quality Assurance

Zalety Code Review

Code review, czyli inspekcję kodu, traktuje się jako zło konieczne pomimo wielu korzyści, jaki za sobą niesie. Programiści są przekonani, że przeglądanie kodu to marnotrawienie […]
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Quality Assurance Front-end

Node.js module testing with Chai and Sinon framework

Introduction In this article I will show you how to write unit tests for Node.js modules and its dependencies from scratch. Before that, I would […]
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Agile

Sprint Retrospective as a reflection of the team working on the product

Meaning and Aim of Retrospective The retrospective aims to analyse what happened during the last sprint. We take into account people and interactions between them, […]
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