What are feature tests? Feature testing is the software development process of testing multiple variations of a feature to determine the best user experience. With feature tests, you can validate whether a new feature for web page or app is a good fit. At the same time, you can also determine what variation of the feature will be most successful. Acceptance Testing. Unit tests focus on testing individual units or components. Acceptance tests involve testing the entire system or a complete feature. Tests are isolated from the rest of the system. Tests the system as a whole, including external components. Validates the correctness of each unit of code. 13.2 Unit Testing. In order to test that your mailer is working as expected, you can use unit tests to compare the actual results of the mailer with pre-written examples of what should be produced. 13.2.1 Revenge of the Fixtures. For the purposes of unit testing a mailer, fixtures are used to provide an example of how the output should look Unit Testing – Checks if the functionality of a specific section of code, usually at the function level, is working as expected. Integration testing: Checks the interfaces between components against the software design and aims to reveal defects. System Testing: Tests a fully integrated system to verify that the system meets its requirements.

CppUTest is an xUnit compatible C++ suite which has been designed with embedded developers in mind. It focuses on a reduced set of C++, so that C or C++ code can be tested directly. It has some nice features like fixtures, rudimentary memory leak detection, and mocking. It's also featured in the book Test Driven Development for Embedded C by

the tutor creates unit tests for creating, updating functions That's not a unit test that's a feature test. some tutors creates feature tests for these functions That is the correct way of doing it. A unit test tests 1 isolated piece of code that does 1 thing. In my recent video tutorial I use the example of a basket in an online store. You
It is really important to differentiate Unit testing vs Feature testing. You are correctly using Feature test, because you want to test business logic instead of a class directly. When you test, my personal recommendation is always create a second DB to only use with tests. It must be completely empty all the time.
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  • feature test vs unit test