Test-Driven Development (TDD) Basics Quiz

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Question 1/15

Which of the following is a correct description of the TDD cycle?

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Question 2/15

Which principle best aligns with TDD practices?

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Question 3/15

In TDD, what should be done if a test continues to fail after writing sufficient code?

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Question 4/15

How does TDD help in maintaining backward compatibility?

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Question 5/15

What is one common benefit of applying TDD to software development?

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Question 6/15

What should happen immediately after a developer writes a failing test in TDD?

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Question 7/15

How does TDD contribute to regression testing?

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Question 8/15

How should tests be written according to TDD practices?

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Question 9/15

What is the drawback of using TDD in software development?

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Question 10/15

In the context of TDD, what is a 'unit' test?

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Question 11/15

What is the primary focus of tests in the TDD approach?

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Question 12/15

When a test first fails in the TDD cycle, what does this indicate?

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Question 13/15

What constitutes a 'unit' in unit testing within the TDD approach?

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Question 14/15

Which role does TDD play in agile development environments?

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Question 15/15

Which type of testing is NOT directly a focus of TDD?

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Question 1/15
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Which of the following is a correct description of the TDD cycle?

Available answers

The correct TDD cycle is to write tests first, then write the code to pass the tests, and finally refactor the code to improve it while ensuring the tests still pass.
Question 2/15
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Which principle best aligns with TDD practices?

Available answers

Test First Development is directly aligned with TDD practices where tests are written before the actual code development starts.
Question 3/15
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In TDD, what should be done if a test continues to fail after writing sufficient code?

Available answers

If a test continues to fail, the developer should review both the test itself and the code logic to find and fix the error.
Question 4/15
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How does TDD help in maintaining backward compatibility?

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TDD uses automated tests to ensure that existing functionality continues to work as new features are added, thus maintaining backward compatibility.
Question 5/15
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What is one common benefit of applying TDD to software development?

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TDD often results in more modular and maintainable code because it forces developers to write smaller, testable units of code.
Question 6/15
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What should happen immediately after a developer writes a failing test in TDD?

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After writing a failing test in TDD, the next step is to write the simplest code that can make the test pass.
Question 7/15
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How does TDD contribute to regression testing?

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TDD contributes to regression testing by maintaining a comprehensive suite of tests that verify existing functionality still works as expected when new changes are introduced.
Question 8/15
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How should tests be written according to TDD practices?

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According to TDD, tests should be narrowly focused to ensure they target specific functionalities, allowing for precise verification and easier maintenance.
Question 9/15
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What is the drawback of using TDD in software development?

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A potential drawback of TDD is that it can be time-consuming to write tests before code, especially at the beginning of a project.
Question 10/15
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In the context of TDD, what is a 'unit' test?

Available answers

Unit tests in TDD are designed to test individual functions or methods in isolation to ensure each part of the application behaves as expected.
Question 11/15
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What is the primary focus of tests in the TDD approach?

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The primary focus of tests in TDD is to verify that the code behaves as expected and meets the defined requirements.
Question 12/15
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When a test first fails in the TDD cycle, what does this indicate?

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A failing test indicates no code currently meets its needs, which is expected the first time through the TDD cycle. It serves as a clarification of what needs to be developed.
Question 13/15
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What constitutes a 'unit' in unit testing within the TDD approach?

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In TDD, a 'unit' refers to the smallest testable part of an application, typically a single function or method.
Question 14/15
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Which role does TDD play in agile development environments?

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In agile environments, TDD aligns with iterative and incremental development by ensuring continuous testing and instant feedback, making it easier to accommodate changing requirements.
Question 15/15
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Which type of testing is NOT directly a focus of TDD?

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TDD primarily focuses on unit testing and regression testing through consistently running tests, but does not specifically address performance testing.