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why testing

Why software testing is necessary

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     Software Testing is necessary because we all make mistakes. Some of those mistakes are unimportant, but some of them are expensive or dangerous. Ideally, we should get someone else to check our work because another person is more likely to spot the flaws.

    

     It’s required to stay in the business. 

  • Users are not inclined to use software that has bugs. They may not adopt a software if they are not happy with the stability of the application. 
  • In case of a product organisation or startup which has only one product, poor quality of software may result in lack of adoption of the product and this may result in losses which the business may not recover from.
  • If the customer does not find the testing organisation reliable or is not satisfied with the quality of the deliverable, then they may switch to a competitor organisation. 
  • Sometimes contracts may also include monetary penalties with respect to the timeline and quality of the product. In such cases, if proper software testing may also prevent monetary losses.
 
Manual Test

Types of manual testing

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      While automated testing is certainly critical to delivering high-quality applications faster and at lower costs, manual testing still plays a very important role in the overall software testing process. 
 
      Main types of manual testing: 
    1. White Box Testing White box testing involves testing the product’s with some internal knowledge about the project, in this manner we know exactly the expected results.
 
    2. Black Box Testing involves testing against a system where the code and paths are invisible. To make the most use of manual testing, it is important to test manually in areas that really need it. No matter which tool you use, it is next to impossible to determine how users feel about your software and user behaviour. Therefore, manual testing is still viewed as highly necessary in areas like usability testing, beta testing, A/B testing, and so on.
performance

Performance Testing

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Performance testing is a type of software testing that focuses on measuring how well a software product, system or its component(s) performs under a certain workload. The goal of performance testing is to determine the performance characteristics of the software and identify any bottlenecks, such as slow response times or limited scalability, that could affect the software’s ability to meet the needs of its users.
There are several types of performance testing, including:
  • Load testing: which tests how the software performs under a specific workload, such as a certain number of users or transactions.
  • Stress testing: which tests the software’s ability to handle an unusually high workload, such as a large number of users or transactions, in order to identify the point at which the software breaks or becomes unavailable.
  • Endurance testing: which tests the software’s ability to maintain its performance over an extended period of time.
  • Scalability testing: which tests the software’s ability to handle an increasing workload as the number of users or transactions increases.
Performance testing is an important step in the software development process as it helps to identify and fix performance issues early on. It also helps to ensure that the software will be able to meet the needs of its users in terms of performance, even under heavy loads.