Software test interview question: does software acceptance test include formal acceptance test, alpha test and beta test?

Software acceptance testing includes formal acceptance testing 、alpha test 、beta Test three tests ？

Passed the acceptance test , The product will enter the release stage .

    · Function test is to verify the functions of products , According to the functional test cases , Test one by one , Check whether the product meets the function required by the user .

    · System test refers to the test of the whole system , Put the hardware 、 Software 、 Operators as a whole , Check if it doesn't conform to the system specification . This kind of test can find errors in system analysis and design . For example, the safety test is to test whether the safety measures are perfect , Can you guarantee that the system will not be invaded illegally . Another example is , Stress test is to test the normal data volume and overload of the system ( For example, multiple users access at the same time )
    Whether it can work normally under such circumstances .

    The acceptance test

    The acceptance test standard realizes that the software confirmation should pass a series of black box tests . The test process defines some special test cases , It aims to explain whether the software is consistent with the requirements . Whether it's planning or process , Should focus on whether the software meets all the functions and performance specified in the contract , Is the documentation complete 、 Accurate HMI and other aspects ( for example , Portability 、 Compatibility 、 Error recovery capability and maintainability ) Whether the customer is satisfied . There are two possibilities for the results of the acceptance test , One is that the function and performance indicators meet the requirements of software requirements description , The user can accept ; The other is that the software does not meet the requirements of the software requirements specification , Users cannot accept .
    There are three common strategies for implementing acceptance testing , They are ：

    · Formal acceptance

    · Informal acceptance or Alpha test

    · Beta test

*α test ： Cover all possible aspects of the simulation as realistically and as best as possible The impact of user behavior on the upcoming software products （ be called α edition ） test , Try to find the error and fix it .

α The characteristics of the test are

    1、 It is done in a development environment （ Don't release it to the public ） 2、 It does not require test cases to evaluate the quality of software
    3、 Users often have no relevant experience , It can be part-time , Developers or testers sit next to users
    4、 Objective to evaluate the quality of software products FLURS－Function、Location、Usability、reliability、Performance、Security Function 、 Localization 、 Usability 、 reliability 、 Performance and technical support .
    β test , English is Beta testing. also called Beta test , User acceptance test （UAT）.

**β test ：** The test conducted by multiple users of software in the actual use environment of one or more users . Developers are usually not at the test site ,Beta Testing cannot be done by programmers or testers .
Tests done when development and testing are fundamentally complete , And the final mistakes and problems need to be found before the final release . This kind of test is usually done by the end user or other personnel , It can't be done by a programmer or tester .

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