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Software testing is the process used to measure the quality of developed computer software.
According to definition given by The Institute of Electrical and Electronics Engineers, USA (IEEE) - Software testing is the process of analyzing a software item to detect the differences between existing and required conditions (that is, bugs) and to evaluate the features of the software item
According to the definition given by Dave Gelperin and William C. Hetzel - Software testing can be stated as the process of validating and verifying that a software program/application/product:
1. meets the requirements that guided its design and development
2. works as expected
3. can be implemented with the same characteristics
4. satisfies the needs of stakeholders
For the source and more detailed information concerning this subject, click on the related links section (Answers.com) indicated below.
Software Testing is an process of executing a program or a software with the intent of finding errors, validating against requirements. Testing involves operation of a system or application under controlled conditions and evaluating the results. Controlled conditions would include both normal and abnormal conditions. Software testing is conducted not only to check if the software meets the functional/technical/security requirements but also to break the software with negative inputs or incorrect usage.
Also, Software testing will only evaluate the quality of the software & will not improve the quality.
In simple terms The comparison of EV ( Expected value ) with the AV ( Actual value ) of any feature in an application or product is known as testing. If EV=AV then the result is pass or else it is fail . For more detailed information on software testing refer software testing complete theory on knol.Google.com
Software testing is the process of assessment of a software item to detect differences between given input and expected output. Testing measures the quality of the product. In other words, software testing is a verification and validation process.
Verification: Verification is the process to make sure the product fulfill the conditions imposed at the start of the development phase. In other words, to make sure the product behaves in the way it should be.
Validation: Validation is the process to make sure the product meet the specified requirements at the end of the development phase. In other words, to make sure the product is built as per customer requirements.
Types of testing:
1) Unit Testing: It includes of an individual unit or group of related units. It falls under the class of white box testing.
2) Integration Testing: It is testing in which a group of components are combined to produce output. It may fall under both white box testing and black box testing.
3) Functional Testing: To ensure that the specific functionality required in the system requirements works. It falls under the class of black box testing.
4) System Testing: To ensure that by putting the software in different environments (e.g., Operating Systems), works properly. It falls under the class of black box testing.
5) Regression Testing: is the testing after modification of a system, component, or a group of related units to ensure that the modification is working correctly and is not damaging or imposing other modules to produce unexpected results. It falls under the class of black box testing.
Software testing is a method of assessing the functionality of a software program.Software Testing is necessary because we all make mistakes. Some of those mistakes are unimportant, but some of them are expensive or dangerous. We need to check everything and anything we produce because things can always go wrong humans make mistakes all the time.
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What is non functional testing in software testing?
It is testing of "how" the system works. Non functional testing may be performed at all test levels. The term non-functional testing describes the tests required to measure characteristics of systems and software that can be quantified on a varying scale, such as response times for performance testing. Types of Non-functional testing are performance testing, load testing, stress testing, usability testing, maintainability testing, reliability testing and portability testing.
What is software testing course?
A software testing course typically covers a range of topics, providing a comprehensive understanding of testing methodologies, tools, and best practices. Here are some key aspects commonly included in a software testing course: Fundamentals of Software Testing: Introduction to software testing concepts and principles. Understanding the importance of testing in the software development process. Types of Testing: Overview of various testing types, including functional testing, non-functional testing, and manual testing. Exploration of specialized testing types such as regression testing, performance testing, and security testing. Testing Life Cycle: Understanding the different phases of the testing life cycle, from test planning to test closure. Creating test cases, executing tests, and reporting and managing defects. Testing Tools: Introduction to testing tools and automation frameworks. Hands-on experience with popular testing tools like Selenium, JUnit, TestNG, and others. Testing Strategies: Developing effective testing strategies for different project scenarios. cImplementing risk-based testing and prioritizing test cases. Agile Testing: Adapting testing methodologies to Agile development environments. Understanding the role of testing in continuous integration and continuous delivery (CI/CD) pipelines. Testing Documentation: Creating test plans, test cases, and test reports. Communicating test progress and results to stakeholders. Quality Assurance (QA) Practices: Incorporating quality assurance practices throughout the software development life cycle. Collaborating with development teams to prevent defects and ensure software quality. Industry Standards and Best Practices: Familiarity with industry standards and best practices in software testing. Staying updated on the latest trends and advancements in the field. A software testing course aims to provide participants with the skills needed to perform thorough testing, identify issues early in the development process, and contribute to delivering high-quality software products. Whether pursued as part of formal education, online courses, or professional training, acquiring proficiency in software testing is valuable for individuals seeking roles as software testers, quality assurance engineers, or testing analysts in the software industry.
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