Software Testing Principles
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Software Testing Principles
Software testing is a critical component of the software engineering process. It is an element of software quality assurance and can be described as a process of running a program in such a manner as to moreover any errors.
The process of software testing involves creating test cases to break “the system” but before this a software engineer must understand the basics principles that guide software testing. The following are the testing principles that should be kept in mind before performing testing.
• Testing should be based on user requirements. This is in order t uncover any defects that might cause the program or system to fail to meet the client’s requirements.
• Testing time and resources are limited. Avoid redundant tests.
• It is impossible to test everything. Exhaustive test of all possible sensations are impossible, simply because of the many different variables affecting the system and the number of paths a program flow might take.
• Use effective resources to test. This represents use of the most suitable tools procedures and individuals to conduct the tests. The test team should use tolls that they are confident and familiar with. Testing procedures should be clearly defined. Testing personnel may be a technical group of people independent of the developers.
• Test planning should be done early. This is because test planning can begin independently of coding and as soon as the client requirements are set.
• Test for invalid and unexpected input conditions as well as valid conditions. The program should generate correct messages when an invalid test is encountered and should generate correct results when the test is valid.
• The probability of the existence of more errors in a module or group of modules is directly proportional to the number of errors already found.
• Testing should begin at the module. The focus of testing should be concentrated on the smallest programming units first and then expand to other parts of the system.
• Testing must be done by an independent party. Testing should not be performed by the person of team that developed the software since they tend to define the correctness of the program.
• Assign best personal to the task. Because testing requires high creativity and responsibility only the best personnel must be assigned to design, implements, and analyze test cases, test data and test results.
• Testing should not be planned under the implicit assumption that no errors will be found.
• Testing is the process of executing software with the intent of finding errors.
• Keep software static during test. The program must not be modified during the implementation of the set of designed test cases.
• Document test cases and test results.
• Provide expected test results if possible. A necessary part of test documentation is the specification of expected results, even if providing such results is impractical
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The process of software testing involves creating test cases to break “the system” but before this a software engineer must understand the basics principles that guide software testing. The following are the testing principles that should be kept in mind before performing testing.
• Testing should be based on user requirements. This is in order t uncover any defects that might cause the program or system to fail to meet the client’s requirements.
• Testing time and resources are limited. Avoid redundant tests.
• It is impossible to test everything. Exhaustive test of all possible sensations are impossible, simply because of the many different variables affecting the system and the number of paths a program flow might take.
• Use effective resources to test. This represents use of the most suitable tools procedures and individuals to conduct the tests. The test team should use tolls that they are confident and familiar with. Testing procedures should be clearly defined. Testing personnel may be a technical group of people independent of the developers.
• Test planning should be done early. This is because test planning can begin independently of coding and as soon as the client requirements are set.
• Test for invalid and unexpected input conditions as well as valid conditions. The program should generate correct messages when an invalid test is encountered and should generate correct results when the test is valid.
• The probability of the existence of more errors in a module or group of modules is directly proportional to the number of errors already found.
• Testing should begin at the module. The focus of testing should be concentrated on the smallest programming units first and then expand to other parts of the system.
• Testing must be done by an independent party. Testing should not be performed by the person of team that developed the software since they tend to define the correctness of the program.
• Assign best personal to the task. Because testing requires high creativity and responsibility only the best personnel must be assigned to design, implements, and analyze test cases, test data and test results.
• Testing should not be planned under the implicit assumption that no errors will be found.
• Testing is the process of executing software with the intent of finding errors.
• Keep software static during test. The program must not be modified during the implementation of the set of designed test cases.
• Document test cases and test results.
• Provide expected test results if possible. A necessary part of test documentation is the specification of expected results, even if providing such results is impractical
For more help in Software Testing Principles click the button below to submit your homework assignment