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Understanding the Different Types of Software Testing
Understanding the Different Types of Software Testing
Software testing can be classified based on its objectives, ensuring that both functional and non-functional aspects of the system are thoroughly evaluated. This classification helps streamline testing efforts, enhance software quality, and minimize risks.
Functional Testing
Functional Testing
Functional testing is conducted to verify that the software meets the specified functional requirements. It ensures that the application behaves as expected under defined conditions and effectively performs tasks needed by the end-users.
Non-Functional Testing
Non-Functional Testing
Non-functional testing assesses software attributes beyond functionality, focusing on "how the system works" rather than "what it does."
Key types include:
Performance Testing: Evaluates the system's responsiveness, stability, and resource consumption under different load conditions.
Load Testing: Determines how the system behaves under increasing user load and the maximum load it can handle.
Scalability Testing: Measures the ability of the system to scale up in response to increasing workloads.
Volume Testing: Assesses how the system handles large volumes of data.
Stress Testing: Pushes the system beyond its normal limits to determine its breaking point.
Installation Testing: Ensures the software installs, updates, and uninstalls correctly.
UI Testing: Checks user interface requirements and compliance with design specifications.
Usability Testing: Evaluates how easy it is for users to understand and navigate the system.
Localization Testing: Verifies the software's adaptation to different languages and regional settings.
Security Testing: Identifies vulnerabilities related to data security, unauthorized access, and cyber threats.
Reliability Testing: Assesses the system's ability to perform its functions consistently over time.
Testing Related to Code Changes
Testing Related to Code Changes
After defect fixes or system modifications, specific testing types help confirm that changes do not introduce new issues.
Re-Testing (Confirmation Testing): Ensures that previously reported defects have been successfully fixed.
Regression Testing: Checks if new changes have affected existing functionalities.
Smoke Testing: A preliminary check of critical functionalities before extensive testing.
Sanity Testing: A more detailed evaluation of specific functionalities to confirm correctness after minor modifications.
Build Verification Testing (BVT): Assesses the stability and key functionalities of a software build before further testing.
Regression Testing as a Broad Concept
Regression Testing as a Broad Concept
Regression testing is often used as a collective term encompassing all types of testing related to system modifications. It ensures that recent changes do not negatively impact the software's overall performance and functionality.
By classifying software testing based on its objectives, QA teams can optimize their testing strategy, prioritize efforts effectively, and deliver high-quality software that meets both user and business requirements
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Mykola Oleksiienko
Mykola Oleksiienko
An article author for OrderTesting, specializing in web and mobile application testing. Shares expertise in QA, testing tools, and best practices for quality assurance.
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