The testing pyramid is a concept that guides the strategy for test automation in software development. It emphasizes the importance of a balanced approach to testing, with a strong foundation of unit tests and a smaller number of higher-level tests.
Layers of the Testing Pyramid:
<ul>
<li>
Unit Tests: Form the base of the pyramid, focusing on individual components of the code. They are fast, reliable, and provide immediate feedback.
</li>
<li>
Integration Tests: Ensure that different components of the application work together as expected. They are broader in scope than unit tests but still relatively fast and reliable.
</li>
<li>
End-to-End Tests: Test the entire application workflow from start to finish, ensuring that the system as a whole meets the requirements. These tests are slower and more complex but crucial for catching issues that may not be evident in isolated components.
</li>
<li>
UI Tests: Represent the top layer of the pyramid, focusing on testing the user interface. These tests are the most brittle and time-consuming, but they are essential for ensuring a positive user experience.
</li>
</ul>
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The testing pyramid guides the strategy for test automation in software development, emphasizing a balance with a strong foundation of unit tests, and a smaller number of higher-level tests like integration, end-to-end, and UI tests.

Testing Pyramid

Test pyramids are an important concept in test planning. Advanced automated approaches to test design and generation, such as Model Based Testing, allow to make the pyramid into a column with little effort. This is because the tests and test plans are automatically generated from the model.
I made a video 'bout that once: <a href="https://youtu.be/Pppe5Ix9aZY?si=6eNA_-d-I9hUAf-l" target="_blank" rel="noopener nofollow">https://youtu.be/Pppe5Ix9aZY?si=6eNA_-d-I9hUAf-l</a>

I’ve heard of unit, integration and end-to-end tests but what are UI tests?