Software Development Process Quiz
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Questions and Answers

What is the main purpose of short test-driven development (TDD) cycles?

  • To skip the requirement analysis phase
  • To speed up the coding process
  • To provide rapid feedback about the code and support through refactorings (correct)
  • To reduce the need for unit testing

    • Why should a developer design the implementation with testability in mind?

  • To avoid writing unit tests
  • To ensure that classes are easy to test (correct)
  • To speed up the coding process
  • To skip the requirement analysis phase

    • What is the first step in unit testing?

  • Writing integration tests
  • Exercising each unit (correct)
  • Skipping domain testing
  • Avoiding boundary testing

    • What do larger tests, such as integration tests and system tests, focus on?

    <p>Larger parts of the software system</p> Signup and view all the answers

    What is the purpose of applying automated, intelligent testing tools after engineering tests using various techniques?

    <p>To look for tests that humans are not good at spotting</p> Signup and view all the answers

    What does it mean for testing to be effective?

    <p>Maximizing the number of detected bugs while minimizing effort</p> Signup and view all the answers

    Why is exhaustive testing impossible?

    <p>We do not have the resources to completely test our programs</p> Signup and view all the answers

    What is the principle for knowing when to stop testing?

    <p>Use adequacy criteria to decide when to stop testing</p> Signup and view all the answers

    What is the cost of bugs in production compared to prevention?

    <p>The cost of bugs in production often outweighs the cost of prevention</p> Signup and view all the answers

    What is the aim of being systematic in testing?

    <p>For any given code, any developer should come up with the same test suite</p> Signup and view all the answers

    Study Notes

    TDD Cycle and Testability

    • The main purpose of short TDD cycles is to ensure rapid feedback and continuous improvement in code quality.

    Designing for Testability

    • Developers should design implementations with testability in mind to ensure that the code can be easily tested and validated.

    Unit Testing

    • The first step in unit testing is to write a unit test, which is a small, self-contained piece of code that verifies the behavior of a specific unit of code.

    Larger Tests

    • Larger tests, such as integration tests and system tests, focus on verifying how different units of code work together to achieve a larger goal.

    Automated Testing Tools

    • The purpose of applying automated, intelligent testing tools after engineering tests is to increase testing efficiency and reduce the time and cost associated with manual testing.

    Effective Testing

    • Testing is effective when it finds defects and ensures that the code meets the required standards and specifications.

    Exhaustive Testing

    • Exhaustive testing is impossible because it would require testing every possible input and scenario, which is impractical and often impossible.

    Stopping Criteria

    • The principle for knowing when to stop testing is when the cost of finding the next defect is greater than the benefit of fixing it.

    Cost of Bugs

    • The cost of fixing bugs in production is significantly higher than preventing them in the first place, which emphasizes the importance of testing and quality assurance.

    Systematic Testing

    • The aim of being systematic in testing is to ensure that testing is thorough, consistent, and repeatable, which helps to increase confidence in the quality of the code.

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    Test your knowledge of the software development process, from understanding requirements to test-driven development cycles and rapid feedback.

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