Software Testing Tutorial #14 - What is System Testing
Summary
TLDRThis tutorial focuses on system testing in software testing, explaining its importance and role. The speaker highlights how system testing differs from integration testing, where the entire system, such as an e-commerce website, is tested as a whole, rather than just individual components. Using examples from both e-commerce and car manufacturing, the concept of testing the integrated functionalities is clarified. The video also touches on system integration testing for third-party system interactions. It's designed to help viewers understand and confidently explain system testing during interviews.
Takeaways
- đ ïž System testing involves testing the entire system as a whole, including all integrated modules.
- âïž Unit testing and integration testing focus on smaller parts of the system, while system testing examines the complete functionality.
- đ The example of the login page highlights how integration testing tests multiple integrated units, like username, password, and login button.
- đ System testing goes beyond individual modules, assessing how all parts of an application (like login, registration, dashboard, payments) work together.
- đ The car analogy helps explain system testing: once the car's components (like the engine and wheels) are integrated, the entire car is tested as a whole.
- đ For an e-commerce website, system testing ensures that all functionalities, such as login, registration, and payment, work together as expected.
- đ System integration testing (SIT) involves testing the integration of the system with external systems or third-party platforms.
- đŠ Both system testing and system integration testing fall under the broader category of system testing.
- đĄ System testing ensures the application is tested in a real-world environment with all its functionalities, providing a complete evaluation.
- đŻ The goal of system testing is to ensure that the entire application works as intended from end to end, with all modules integrated and functional.
Q & A
What is system testing in software testing?
-System testing involves testing the entire software system as a whole, ensuring that all integrated components and functionalities work together as expected.
How does system testing differ from integration testing?
-Integration testing focuses on testing the interaction between integrated units, while system testing evaluates the entire software system, including all integrated modules and functionalities, as a complete entity.
Can you give an example of system testing using an e-commerce website?
-In an e-commerce website, system testing would involve testing the entire application, including registration, login, adding products to the cart, payment processing, and other features, to ensure everything works correctly together.
What analogy is used in the script to explain system testing?
-The script uses the example of a car to explain system testing. After assembling and integrating all the car parts like the engine, wheels, and body, system testing would involve testing the entire car as a whole to ensure all components function properly.
What is the role of system integration testing (SIT) in system testing?
-System integration testing (SIT) involves testing the interaction between the software system and external systems or third-party integrations, ensuring seamless communication and functionality.
Why is it important to understand system testing in the context of the levels of software testing?
-System testing is crucial because it ensures that the entire application functions as expected once all individual modules have been integrated, covering the highest level of testing before release.
How is system testing performed for third-party integrations?
-When a system integrates with third-party applications or external systems, system integration testing is performed to ensure that the main system can communicate and interact with external systems without any issues.
What is the difference between unit testing and system testing?
-Unit testing focuses on testing individual components or units of code in isolation, while system testing validates the entire system with all modules integrated, ensuring the software functions as a whole.
What kind of test environment is used for system testing?
-System testing is typically performed in a test environment where the entire integrated application is deployed. This allows testers to execute end-to-end test cases, simulating real-world use cases.
What key takeaway from the tutorial should be emphasized during software testing interviews?
-It's important to understand and explain that system testing involves testing the entire software system with all functionalities integrated, ensuring that the application performs as expected in a real-world scenario.
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