Introduction to Test Driven Development (TDD) Quiz Answers

Get All Weeks Introduction to Test Driven Development (TDD) Quiz Answers

Week 01: Introduction to Test-Driven Development (TDD) Quiz Answers

Quiz 01:  Introduction to Testing

Q1. At which level of the software testing process do developers test an individual component of the system?

  • System testing
  • Acceptance testing
  • Integration testing
  • Unit testing

Q2. During traditional release, what is the best environment to do performance testing?

  • Production
  • Staging
  • Building
  • Development

Q3. Behavior-driven development (BDD) focuses on the behavior of the system as observed from which perspective?

  • The outside
  • The top
  • The inside
  • The bottom

Q4. Test-driven development (TDD) has which of the following advantages?

  • TDD keeps developers focused on the code’s purpose.
  • TDD helps developers test individual components as a group.
  • TDD reveals how the system performs from the client’s perspective.
  • TDD uses a syntax that stakeholders can understand.

Q5. Why do developers use test cases?

  • To limit the code’s scope
  • To improve the code’s documentation
  • To reduce the code’s length
  • To ensure the code’s functionality

Quiz 02: Introduction to Testing

Q1. Which aspects of your code can you test?

  • Only aspects that you do not know of
  • No aspects whether you know of them or not
  • Only aspects that you know of
  • All aspects that you do and do not know of

Q2. After cloning a new repository for a project on which you will work, what should be your next step?

  • Shorten the code.
  • Modify the code.
  • Test the code.
  • Export the code.

Q3. Testing has which of the following benefits for development?

  • Improves code readability
  • Decreases project budget
  • Produces file backups
  • Reduces development time

Q4. At which level of the software testing process do developers combine individual units and test them as a group?

  • Integration testing
  • System testing
  • Acceptance testing
  • Unit testing

Q5. In the software testing process, what is the purpose of acceptance-level testing?

  • Ensure that the entire system works together.
  • Validate that each unit performs as designed.
  • Reveal faults in the interaction between integrated units.
  • Assess system compliance with business requirements.

Q6. During the traditional release cycle, in which environment do developers perform unit testing?

  • Release
  • Staging
  • Production
  • Development

Q7. Behavior-driven development (BDD) has which of the following advantages?

  • BDD ensures that each individual component works correctly.
  • BDD uses a syntax that stakeholders can understand.
  • BDD keeps developers focused on the code’s purpose.
  • BDD works well with the waterfall approach to development.

Q8. Test-driven development (TDD) focuses on how the system works as observed from which perspective?

  • The inside
  • The outside
  • The bottom
  • The top

Q9. Why do developers need both test-driven development (TDD) and behavior-driven development (BDD)?

  • Developers use both TDD and BDD to communicate with clients.
  • TDD and BDD together ensure that you are building the software right.
  • TDD and BDD complement each other in the development process.
  • Developers use both TDD and BDD to perform acceptance testing.

Q10. What purpose do test cases serve?

  • Ensure code will never fail
  • Improve code readability
  • Identify bugs in the code
  • Strengthen code cohesion

Week 02: Introduction to Test-Driven Development (TDD) Quiz Answers

Quiz 01 : Methods for Test-Driven Development

Q1. Which of the following features is available in Nose but missing in Unittest?

  • Providing verbose output
  • Stopping the test run on the first failure
  • Running coverage automatically
  • Indicating whether a test failed

Q2. What is an assertion?

  • A function or method that creates objects
  • A percentage of code that is executed in testing
  • A statement that evaluates to either True or False
  • A simulated object that mimics a real object’s behavior

Q3. Which of the following PyUnit assertions is useful for testing whether an object passed into it is the correct type returned from a function call?

  • assertRegex()
  • assertIsInstance()
  • assertLogs()
  • assertRaises()

Q4. What is the purpose of using happy paths in testing?

  • Verify that functions respond to exceptions appropriately.
  • Ensure that functions produce the expected output.
  • Guarantee that tests execute in the correct initial state.
  • Check that test resources are cleaned up after execution.

Q5. Why do developers use test fixtures?

  • Produce cleaner and easier-to-read test results.
  • Determine if tests have passed or failed.
  • Report how many lines of code execute in testing.
  • Establish a known initial state for testing.

Q6. Developers use test fixtures for which of the following situations?

  • Loading a database with a known data set
  • Decompressing the files of a testing archive
  • Patching the behavior of a function under test
  • Applying a stylesheet to a file collection

Q7. What are the three levels of specificity at which test fixtures can operate?

  • Unit, integration, and system
  • Module, test case, and test
  • Variable, value, and function
  • Object, class, and method

Quiz 02:  Methods for Test-Driven Development

Q1. In the basic workflow for test-driven development (TDD), what happens in the second step?

  • Write the program code.
  • Improve the code’s quality.
  • Describe the system’s behavior.
  • Create the test case.

Q2. To create a DevOps pipeline, which type of testing must developers use for all testing?

  • Smoke testing
  • Manual testing
  • Exploratory testing
  • Automated testing

Q3. Which of the following Python testing frameworks is built into Python?

  • Doctest
  • PyUnit
  • RSpec
  • Pytest

Q4. Which of the following commands can developers use to invoke Python with the unit test module and to run all the tests in the test folder?

  • python -m unit test pattern
  • python -m unittest catch
  • python -m unittest discover
  • python -m unittest locals

Q5. Which of the following features is available in Nose but missing in Unittest?

  • Displaying the length of time for running tests
  • Reporting the number of tests run
  • Adding color coding to test output
  • Indicating whether any tests failed

Q6. In which of the following ways do testing frameworks help developers build assertions?

  • Testing frameworks identify potential sad paths to test.
  • Testing frameworks provide tools that simplify testing conditions.
  • Testing frameworks set up the required file structure automatically.
  • Testing frameworks generate fakes to test against a model.

Q7. What purpose do assertions serve in testing?

  • Determining if tests have passed or failed
  • Establishing a known initial state for testing
  • Providing tools to simplify testing conditions
  • Reporting how many lines of code execute during testing

Q8. What is the purpose of using sad paths in testing?

  • Ensure that code produces only the expected output.
  • Verify that functions respond to exceptions appropriately.
  • Guarantee that tests execute in the correct initial state.
  • Check that test resources are cleaned up after execution.

Q9. Test fixtures provide which of the following benefits for testing?

  • Organized output
  • Repeatable results
  • Shorter code
  • Improved communication

Q10. PyUnit provides six test fixtures. Assume you include all six in a test module. Which of the following sequences shows the order in which the test runner will execute the first three test fixtures?

  • tearDownModule, setUpModule, setUpClass
  • setUpModule, setUpClass, setUp
  • setUpModule, tearDownModule, setUpClass
  • setUpClass, setUp, setUpModule

Week 03: Introduction to Test-Driven Development (TDD) Quiz Answers

Quiz 01: Advanced Methods for Test-Driven Development

Q1. What is test coverage?

  • The percentage of functions that execute test cases
  • The percentage of lines of code executed during testing
  • The percentage of statements that evaluate to True during testing
  • The percentage of test cases executed during testing

Q2. Why is continued testing important even at 100% test coverage?

  • To identify the lines of code that still need tests
  • To find additional bugs
  • To increase the number of lines of code tested
  • To improve the code’s readability

Q3. When generating fakes in Python, what is one purpose for using the Meta class inside the factory?

  • Indicates the model class for which the factory will create fakes
  • Creates additional test fixtures for each fake that needs them
  • Provides information describing the purpose and number of fakes
  • Generates a diverse sample of fake data for use in test assertions

Q4. Which of the following is a method for mocking?

  • Functional call patch
  • Test case assertions
  • Test fixture data
  • Factory fake generator

Q5. Which of the following is a patching technique available in Python’s mock library?

  • Patching a function’s signature
  • Patching a function’s name
  • Patching a function’s complexity
  • Patching a function’s return value

Quiz 02: Advanced Methods for Test-Driven Development

Q1. Why is high test coverage valuable for development?

  • Increases the likelihood that the code works as expected
  • Produces results that are cleaner and easier to read
  • Identifies code bloat that developers can remove
  • Reduces the time that each test takes to complete

Q2. Fake data is more practical to use than real data in which of the following testing situations?

  • When testing requires multiple levels of setups and teardowns
  • When testing requires only a small set of test data
  • When testing requires patching one or more functions
  • When testing requires a large amount of test data

Q3. When generating fakes in Python, what is one purpose for using the Meta class inside the factory?

  • Select a random choice from a given fake iterable
  • Determines the attributes to use for generating data
  • Provides information describing the purpose and number of fakes
  • Generates a diverse sample of fake data for use in test assertions

Q4. How do developers test fakes generated by a factory?

  • Developers test fakes just like real objects.
  • Developers set the data for all variables manually on use.
  • Developers do not call real methods.
  • Developers add additional test fixtures.

Q5. What is mocking?

  • A process for creating fake objects that mimic the behavior of real objects
  • A process for creating a fake test case that stress tests a test runner
  • A process for creating duplicate data for testing purposes
  • A process for creating a fake data set that acts like sample data

Q6. Developers should use mocking for which of the following purposes?

  • Include internal systems in their testing
  • Avoid calls of untested code
  • Ensure that database transactions actually work
  • Isolate their tests from external systems

Q7. When patching, developers change the behavior of which of the following testing items?

  • Testing factory
  • Fake data
  • Function call
  • Entire object

Q8. For which of the following situations is it useful to patch return values with data?

  • Testing objects with method calls
  • Testing error handlers
  • Testing mocks
  • Testing objects that call other objects

Q9. Mock objects are useful in testing for which of the following reasons?

  • Mock objects can improve code refactoring.
  • Mock objects can create test fixtures.
  • Mock objects can behave like real objects.
  • Mock objects can generate unlimited test data.

Q10. In Python, how do you make a Mock object mimic a specific real object?

  • A mock is generic and cannot mimic a specific real object.
  • Specify the real object as a return value.
  • Specify the name of the real object in the spec parameter.
  • Subclass the real object.

Week 04: Introduction to Test-Driven Development (TDD) Quiz Answers

Quiz 01: Final Exam

Q1. Which of the following statements is a key principle of testing?

  • You can save testing for the beta stage onward.
  • You should run as few software tests as possible.
  • You should prefer manual tests over automated tests.
  • You can only test for the factors that you know.

Q2. Testing has which of the following benefits for development?

  • Increases code readability
  • Produces file backups
  • Improves code quality
  • Reduces project spending

Q3. At which level of the software testing process do developers test the entire software process?

  • Unit testing
  • Acceptance testing
  • Integration testing
  • System testing

Q4. What is the purpose of integration testing?

  • Validate that each unit performs as designed
  • Evaluate compliance with specific technical requirements
  • Expose flaws in the interaction between components
  • Assess the system’s acceptability for delivery

Q5. Behavior-driven development (BDD) ensures which of the following for developers?

  • Building correct software
  • Bolstering customer service
  • Identifying the code’s purpose
  • Writing concise code

Q6. In the basic workflow for test driven development (TDD), what happens in the third step?

  • Describe the system’s behavior.
  • Improve the code’s quality.
  • Create the test case.
  • Write the program code.

Q7. In which Python testing framework can you use nearly an infinite number of setup and teardown levels?

  • Pytest
  • PyUnit
  • Doctest
  • RSpec

Q8. Assume you are using Python and have installed PyUnit, Nose, and Pinocchio. Which of the following commands can you use to perform unit tests and receive color-coded output?

  • unittest –with-spec –cover-tests
  • unittest –with-spec –spec-color
  • nosetests –with-spec –spec-color
  • nosetests –with-spec –cover-tests

Q9. Which of the following PyUnit assertions is useful for determining if an object is in a result set?

  • assertIsInstance()
  • assertLogs()
  • assertRegex()
  • assertIn()

Q10. PyUnit provides six test fixtures. Assume you include all six in a test module. Which of the following sequences shows the order in which the test runner will execute the final three test fixtures?

  • tearDownClass, tearDownModule, tearDown
  • tearDown, tearDownClass, tearDownModule
  • setUpModule, tearDownModule, tearDown
  • tearDownModule, setUpModule, tearDownClass

Q11. How does a missing test coverage report help developers improve their testing?

  • Lists functions that respond to exceptions appropriately
  • Reveals lines of code that need test cases
  • Announces when no bugs remain in the code
  • Shows the lines of code that have coverage

Q12. When generating fakes in Python, what is one advantage of using the Faker class to generate fake data?

  • Uses a small amount of code
  • Arrange the test results in a logical order
  • Creates a diverse set of test data
  • Decreases the number of attributes to test

Q13. Developers should use mocking for which of the following purposes?

  • Avoid calls of untested code
  • Ensure that database transactions actually work
  • Include internal systems in their testing
  • Isolate their tests from a remote component

Q14. For which of the following purposes is it useful to patch return values with data?

  • Testing objects that call other objects
  • Testing mocks
  • Testing objects with method calls
  • Controlling data returned from a function call

Q15. Developers use mock objects for which of the following purposes?

  • Mimicking a real object
  • Generating a data set
  • Change a function call’s parameters
  • Identifying a sad path
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