There are several stages of testing in software engineering process, including:
1. Requirements Analysis
Before the development of the software begins, a requirements document is prepared based on the collected user feedback and the final solution. The requirements document is reviewed by the testers, who ensure that it is clear, concise, and free from any ambiguity. The testers may also provide feedback to the product manager regarding any missing or unclear requirements.
2. Design Review
After the requirements document is finalized, the design review stage begins. This stage involves the review of the design documents, which include the development model, code architecture, code specification, interface specification, and database design.
The testers participate in this stage to understand the basic architecture and implementation principles of the system, to facilitate fault analysis, and to come up with normative requirements for later testing. During the design review, the testers can also identify code that lacks logical judgment for certain exception scenarios.
3. Test Planning
The test planning stage involves preparing a test plan, which is a document that outlines the scope of the testing, the specific content of the tests, the test schedule, and the cost of test resources. The test plan is an important basis for the performance assessment of the tester in the future. The test plan is a guideline, and it may be modified during the testing process based on the test results and the changing requirements.
4. Unit Testing
Unit testing, also known as component testing, focuses on testing individual units or components of the software. Unit testing is done at the code level and is usually performed by developers. The goal of unit testing is to reduce risk, verify the function of the component, establish confidence in component quality, and prevent defects from escaping into the higher level of testing.
Unit testing involves writing a test class or test method, calling the new method that you developed (and definitely passing values to the new method), and simulating some exceptions or transmitting the wrong value during the call.
5. Integration Testing
Integration testing involves testing the interaction between different components or modules of the software. It ensures that the software functions as intended when different components or modules are integrated into a system. The goal of integration testing is to detect any errors or issues that may arise from the interaction between different components or modules of the software.
6. System Testing
System testing involves testing the software as a whole to ensure that it meets the requirements and specifications. System testing is usually performed by the testers and includes functional testing, performance testing, security testing, and other types of testing to ensure that the software is free from errors, bugs, and other issues that can affect its quality and performance.
7. User Acceptance Testing
User acceptance testing is the final stage of the software testing process and involves testing the software with real users to ensure that it meets their requirements and expectations.
When performing testing, there are several things that need to be noted to ensure that the testing process is effective and efficient:
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