Static Testing in Software Development
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Static Testing in Software Development

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Questions and Answers

What is the primary benefit of static testing in software development?

  • To execute the software under test and check results
  • To prevent defects from being introduced in the first place (correct)
  • To improve the usability of the software
  • To identify performance issues in the software

    • What is the limitation of dynamic testing?

  • It is only suitable for small-scale projects
  • It may not cover all possible scenarios, inputs, or paths (correct)
  • It is time-consuming and expensive
  • It is unable to identify defects in the software

    • What is the purpose of static testing in software development?

  • To execute the software under test and check results
  • To reduce the cost of testing
  • To identify defects in the software
  • To improve the quality of the software or system (correct)

    • What is the benefit of combining static testing with dynamic testing?

    <p>To identify defects that static testing may miss</p> Signup and view all the answers

    What does the Y-axis represent in the given testing metrics chart?

    <p>Count</p> Signup and view all the answers

    What does Line A represent in the given testing metrics chart?

    <p>Number of open bugs</p> Signup and view all the answers

    What is the importance of considering both static and dynamic testing?

    <p>To ensure quality of the software or system</p> Signup and view all the answers

    What is the wrong decision made by a test manager?

    <p>To rely solely on dynamic testing</p> Signup and view all the answers

    What is the primary objective of continuous integration in software development?

    <p>To reduce the time between defect introduction and detection</p> Signup and view all the answers

    What is required for a customer to be eligible for a room upgrade in the hotel system?

    <p>A Preferred Guest Card holder</p> Signup and view all the answers

    What is the expected result for Customer A, a Preferred Guest Card holder with a Silver room?

    <p>Upgrade to Gold Luxury room</p> Signup and view all the answers

    What is the expected result for Customer B, a Non-Preferred Guest Card holder with a Platinum room?

    <p>No upgrade offered</p> Signup and view all the answers

    What is the highest level of luxury in the hotel room hierarchy?

    <p>Platinum</p> Signup and view all the answers

    What is the purpose of continuous integration in software development?

    <p>To reduce the time between defect introduction and detection</p> Signup and view all the answers

    What is the criteria for a customer to be eligible for a room upgrade?

    <p>Being a Preferred Guest Card holder</p> Signup and view all the answers

    What is the primary benefit of continuous integration in software development?

    <p>Reduced risk of accumulating defects</p> Signup and view all the answers

    What is the primary reason to have cost as an exit criterion for testing?

    <p>To avoid spending too much money on testing that may result in an unprofitable product</p> Signup and view all the answers

    What is the primary purpose of configuration management?

    <p>To ensure the consistency of a product's performance</p> Signup and view all the answers

    What is the benefit of configuration management in testing?

    <p>It supports testing by providing traceability, consistency, and control over test artifacts</p> Signup and view all the answers

    What is the main goal of testing as an investment in software development?

    <p>To improve the quality and reliability of the software product</p> Signup and view all the answers

    Why is it important to consider other exit criteria besides cost for testing?

    <p>Because cost may not reflect the true quality and risk level of the software product</p> Signup and view all the answers

    What is the primary goal of testing by use cases?

    <p>To specify the functional requirements of a system</p> Signup and view all the answers

    What type of system is most suitable for testing by use cases?

    <p>A navigation system that involves a high level of interaction between the user and the system</p> Signup and view all the answers

    How can the financial value of product quality be estimated?

    <p>All of the above</p> Signup and view all the answers

    What is the consequence of spending too much money on testing?

    <p>An unprofitable product or a loss of competitive advantage</p> Signup and view all the answers

    What is the primary benefit of using use cases in testing?

    <p>It helps to specify the functional requirements of a system</p> Signup and view all the answers

    What is the primary purpose of having cost as an exit criterion for testing?

    <p>To avoid spending too much money on testing</p> Signup and view all the answers

    What is the primary goal of testing a navigation system?

    <p>To test the accuracy and usability of the system</p> Signup and view all the answers

    Why is cost a important factor in testing?

    <p>Because it is one of the factors that affects the profitability and feasibility of the software product</p> Signup and view all the answers

    What is the primary difference between testing a navigation system and testing an anti-virus package?

    <p>The level of interaction between the user and the system</p> Signup and view all the answers

    What should be considered in the test plan besides cost?

    <p>Defect rate, test coverage, user satisfaction, etc.</p> Signup and view all the answers

    What is the primary benefit of using configuration management in software development?

    <p>It helps to ensure consistency and control over software items</p> Signup and view all the answers

    Why is cost an invalid exit criterion for a testing project?

    <p>Cost depends on the scope, complexity, and context of the software product and the testing project.</p> Signup and view all the answers

    What is characteristic of tests at the bottom layer of the test pyramid?

    <p>They are more focused, isolated, and atomic.</p> Signup and view all the answers

    Why are tests at the top layer of the test pyramid slower?

    <p>They cover larger pieces of functionalities, such as user interfaces, workflows, or end-to-end scenarios.</p> Signup and view all the answers

    What is the primary benefit of tests at the bottom layer of the test pyramid?

    <p>They are easier to maintain and execute.</p> Signup and view all the answers

    What is the primary difference between tests at the top and bottom layers of the test pyramid?

    <p>Tests at the top layer are slower, while tests at the bottom layer are faster.</p> Signup and view all the answers

    Why are tests at the top layer of the test pyramid more complex?

    <p>They cover larger pieces of functionalities, such as user interfaces, workflows, or end-to-end scenarios.</p> Signup and view all the answers

    What is the primary benefit of using metrics to measure testing costs?

    <p>It provides an effective way to measure the cost of testing.</p> Signup and view all the answers

    Why is Option C an incorrect statement about testing?

    <p>Because going by cost as an exit criterion does not necessarily constrain the testing project or help achieve the desired quality level.</p> Signup and view all the answers

    Study Notes

    Static Testing

    • Finds defects early in the development process, reducing the cost and difficulty of fixing them later.
    • Improves software quality by preventing defects from being introduced.
    • Complements dynamic testing, which involves executing the software and checking results against expected outcomes.

    Dynamic Testing

    • Finds defects that static testing may miss, such as performance, usability, or integration issues.
    • Not sufficient on its own to ensure quality, as it may not cover all possible scenarios, inputs, or paths.

    Testing Metrics

    • The chart represents metrics related to testing of a completed project.
    • X-axis represents Time.
    • Y-axis represents Count.
    • Line A represents the Number of open bugs.
    • Line B represents the Total number of executed tests.

    Continuous Integration

    • A practice that supports shift-left in testing, involving frequent integration and testing of software components.
    • Reduces the time between the introduction of a defect and its detection, reducing the cost to fix it and the risk of accumulating defects.

    Decision Table

    • Defines the upgrade eligibility for a room upgrade system.
    • A Preferred Guest Card holder with a Silver room is eligible for an upgrade to Gold Luxury.
    • A non-Preferred Guest Card holder, regardless of room type, is not eligible for an upgrade.

    Configuration Management

    • Helps ensure that all relevant project documentation and software items are uniquely identified in all their versions.
    • Supports testing by providing traceability, consistency, and control over the test artifacts and the software under test.

    Use Cases

    • Suitable for testing applications that involve a high level of interaction between the user and the system, such as a new navigation system.
    • Helps to specify the functional requirements of the system, such as entering a destination, selecting a route, and following directions.

    Cost as an Exit Criterion

    • Cost can be regarded as an exit criterion for testing, as it affects the profitability and feasibility of the software product.
    • Helps to avoid spending too much money on testing, which may result in an unprofitable product.
    • Should not be the only exit criterion, as it may not reflect the true quality and risk level of the software product.

    Test Pyramid

    • The tests at the bottom layer of the pyramid run faster than the tests at the top layer.
    • The tests at the bottom layer are more focused, isolated, and atomic, testing individual units or components of the software system.

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    Description

    Learn about the benefits of static testing in software development, including defect prevention and quality improvement. Understand how it complements dynamic testing.

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