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Unit testing is a software development practice where individual components of a program are tested to ensure they perform as expected. It helps in identifying bugs early in the development process, improving code quality and simplifying future code maintenance.
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Integration testing is a level of software testing where individual units are combined and tested as a group to identify interface defects between modules. It ensures that different pieces of the application work together as expected, highlighting issues in the interaction between integrated components.
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System testing is a critical phase in the software development lifecycle where the complete and integrated software is tested to ensure it meets specified requirements. It evaluates both the functional and non-functional aspects of the system to identify defects and verify that the system operates as intended in a production-like environment.
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Acceptance testing is a critical phase in the software development lifecycle where the system is evaluated against business requirements to ensure it meets the necessary criteria for delivery. It serves as the final verification step before the software is released to the end-users, ensuring that it functions correctly and satisfies stakeholder expectations.
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Regression testing is a type of software testing that ensures that recent code changes have not adversely affected existing functionalities. It involves re-running previously conducted tests to confirm that the software continues to perform as expected after updates or enhancements.
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Performance testing is a crucial process in software development that evaluates the speed, scalability, and stability of a system under a particular workload. It ensures that applications meet the expected performance criteria and can handle anticipated user traffic without degradation in user experience.
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Usability testing is a method used to evaluate a product by testing it on real users to identify any usability problems, collect qualitative and quantitative data, and determine the participant's satisfaction with the product. It is essential for ensuring that products are user-friendly, efficient, and effective, ultimately enhancing user experience and satisfaction.
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Security testing is a process designed to uncover vulnerabilities in an information system and ensure that data and resources are protected from possible intrusions. It involves evaluating the system's defenses against various types of threats, including unauthorized access and data breaches, to ensure compliance with security policies and industry standards.
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Test automation involves using specialized tools to execute tests on software applications automatically, reducing the need for human intervention and increasing efficiency. It is essential for continuous integration and continuous delivery (CI/CD) pipelines, ensuring faster feedback and higher software quality.
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Test-Driven Development (TDD) is a software development approach where tests are written before the actual code, ensuring that the codebase is continually validated against its specifications. This iterative process promotes better design, reduces bugs, and facilitates easier code refactoring and maintenance.
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Welding codes are standardized guidelines and specifications that ensure the quality, safety, and consistency of welding practices across various industries. These codes cover aspects such as materials, design, fabrication, inspection, and testing to prevent failures and ensure structural integrity.
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