Test isolation

04 Jan, 2025

Most Frequently asked Interview Questions of unit-testing(2024)

Unit testing is a software testing technique where individual units or components of a software application are tested in isolation. A unit in this context refers to the smallest testable part of the application, typically a single function or method. The goal of unit testing is to verify that each unit of the software performs as expected, independently of the rest of the system.

04 Jan, 2025

Most Frequently asked Interview Questions of unit-testing

Let's walk through writing a simple unit test in Python using the built-in `unittest` framework. Python's `unittest` is based on the xUnit pattern, which is widely adopted in other languages and frameworks (e.g., JUnit in Java, NUnit in C#). It provides a structured way to write and organize tests.

04 Jan, 2025

Most Frequently asked unit-testing Interview Questions (2024)

In unit testing, both stubs and mocks are used to replace dependencies of the unit under test with controlled, simplified versions that allow for isolated testing. However, there are key differences between these two concepts in terms of their purpose, usage, and behavior.

04 Jan, 2025

Most Frequently asked unit-testing Interview Questions and Answers

A flaky test is a test that produces inconsistent or unpredictable results, passing sometimes and failing other times, even when no changes have been made to the code being tested. Flaky tests can undermine the reliability of your test suite and make it difficult to trust the results of your automated tests. They introduce noise into your testing process and can lead to false positives (when the test passes unexpectedly) or false negatives (when the test fails unexpectedly).

04 Jan, 2025

Most Frequently asked unit-testing Interview Questions

Unit testing and functional testing are both essential types of software testing, but they serve different purposes and focus on different aspects of the system. Below is a breakdown of the differences: