What is test double framework?

A framework for generating test doubles during the test period

A framework for testing primitive data types

A framework for running parallel tests

A framework for simulating user interactions

What is double() in Java?

A method for declaring double-precision variables

A method for adding two double values

A method for comparing double values

A method for testing double values

Why is it called a test double?

It is a generic term for simplified objects used in testing

It simplifies testing by reducing complexity

It replaces release-intended counterparts in testing

It allows for skilled replacements of collaborator objects

How to add two doubles in Java?

Use the Double.compare() method to add two double values

Use the @Test annotation in JUnit for adding double values

Use the Test Double Framework for adding double values

What is the use of @Test in JUnit?

It defines a method as a test method

It sets expectations for mock objects

Which of the following is a test double?

Simplified versions of production equivalents

What is a stub vs mock?

A stub simulates real objects with minimum methods needed for a test.

A stub is used to check if the correct techniques and paths are applied to objects.

A stub is a fake class with preprogrammed return values.

A stub is a database connection that mimics any scenario without a real database.

What is a stub in Junit?

A stub is a fake class with preprogrammed return values.

A stub is a database connection that mimics any scenario without a real database.

A stub simulates real objects with minimum methods needed for a test.

A stub is used to check if the correct techniques and paths are applied to objects.

What is faking in unit testing?

Faking is the use of fake objects instead of concrete implementations.

Faking is the use of stubs to simulate real objects in a test.

Faking is a shortcut implementation useful across different unit tests.

Faking is an integration test that simulates real scenarios.

Can fake be used for unit testing?

Fakes simulate successful or failed scenarios to test the logic around real dependencies.

Fakes are flight simulators used in unit testing.

Fakes replace external dependencies in unit testing.

Fakes are used only in extensive test suites with unique data sets.

What is stubbing in testing?

Stubbing is injecting a stub into the class under test to gain control over input.

Stubbing is a small piece of code that replaces another component during testing.

Stubbing returns consistent results, making tests easier to write.

Stubbing is running tests when other components are not working yet.

Can you compare doubles with ==?

No, comparing doubles with == may produce incorrect results.

Yes, == can be used to compare doubles accurately.

Doubles can only be compared using specialized comparison operators.

Comparing doubles with == requires rounding the values first.

What does double () do?

Double has a 64-bit floating-point precision according to IEEE.

Double has a 32-bit floating-point precision according to IEEE.

Double stores up to 7 decimal points and rounds off the rest of the digits.

Double stores decimal numbers with more digits than float.

What is a dummy object in testing?

A dummy object is a fake object with limited features and dependencies.

A dummy object is a testing technique that involves using mock objects.

A dummy object is a real object used for testing purposes.

A dummy object is a shortcut implementation useful across different unit tests.

Can you increment a double in Java?

No, the postfix increment operator ++ cannot be used with doubles.

Yes, the postfix increment operator ++ can be used with doubles.

Only the prefix increment operator ++ can be used with doubles.

Incrementing a double requires a specialized incrementation function.

What is double double in Java?

A data type that stores fractional numbers from 1.7e−308 to 1.7e+308.

A data type that stores whole numbers.

A data type that stores characters.

A data type that stores boolean values.

How to double data type in Java?

The default value of the double data type is 0.0d.

The double data type is used for precise values such as currency.

The double data type is a 32-bit floating-point number.

The double data type is only used for integer values.

What is the difference between JUnit and Mockito?

JUnit is used to test APIs in source code, while Mockito is used to create duplicate or dummy objects.

JUnit is used for unit testing, while Mockito is used for integration testing.

JUnit is used for regression testing, while Mockito is used for functional testing.

What is Mockito testing in Java?

Mockito is a Java-based framework used for unit testing of Java applications.

Mockito is a Java reflection API used to generate mock objects.

Mockito is a testing framework used for integration testing.

Mockito is a tool used for debugging Java applications.

Why is JUnit important?

JUnit enables developers to develop highly reliable and bug-free code.

JUnit is used for performance testing of Java applications.

JUnit helps in the development of testable applications using Java Reflection API.

JUnit is essential for load testing of Java applications.

What is a parallel test?

Parallel testing is the process of reducing test time by testing multiple components concurrently.

Parallel testing is the process of testing multiple applications concurrently.

Parallel testing is the process of executing tests on individual computers simultaneously.

Parallel testing is the process of running tests in parallel threads.

What are Type 3 tests?

Type 3 tests test for the significance of each variable assuming other variables are present.

Type 3 tests test for the significance of each explanatory variable.

Type 3 tests test for the significance of each dependent variable.

Type 3 tests test for the significance of each independent variable.

What are the 5 testing methods?

Unit Tests, Integration Tests, Functional Tests, Regression Tests, Acceptance Tests.

White Box Testing, Black Box Testing, Gray Box Testing, Load Testing, Stress Testing.

Manual Testing, Automated Testing, Performance Testing, Security Testing, Usability Testing.

Positive Testing, Negative Testing, Boundary Testing, Equivalence Partitioning, Error Guessing.

What are 5 second tests?

Five-second tests measure how well a design quickly communicates a message.

Five-second tests involve running tests for five seconds to measure performance.

Five-second tests are a type of usability testing for mobile applications.

Five-second tests are used to test response times of network requests.

What is stub and spy in Mockito?

Stubs are partially mock objects, while spies are fully mock objects.

Stubs and spies are both fully mocked objects.

Stubs and spies are used interchangeably in Mockito.

Stubs and spies are used to create duplicate or dummy objects in Mockito.

What is the difference between spy and mock in Mockito?

A mock allows you to stub invocations and return specific values, while a spy allows you to call all the normal methods of the object.

A spy is a normal mock, while a mock is a partial mock.

A spy uses the Java Reflection API, while a mock uses the Mockito framework internally.

A mock is used for unit testing, while a spy is used for integration testing.

38.Test Doubles In Mockito

Authored by ANIL KUMAR

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is test double in Mockito?

Skilled replacements of collaborator objects

Objects used for unit testing

Objects with predefined behavior

Objects that facilitate isolation in testing

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are test doubles in Java?

Objects used in production code

Objects that simplify testing

Objects with predefined behavior

Objects with complex dependencies

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are test doubles in JUnit?

Objects used to verify behavior between SUT and collaborators

Objects used for parallel testing

Objects used to simulate user interactions

Objects used to measure test coverage

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is test doubles in unit testing?

Objects that make unit tests faster and simpler

Objects used for integration testing

Objects that provide predefined behavior

Objects that isolate code behavior from dependencies

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is test double vs fake?

Test doubles have working implementations, while fakes do not

Test doubles have predefined behavior, while fakes provide working implementations

Test doubles and fakes are interchangeable terms

Test doubles and fakes serve different purposes in testing

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between test doubles and mocks?

Mocks verify the behavior of the code being tested, while test doubles stand in for other objects

Test doubles and mocks are interchangeable terms

Test doubles focus on order of function calls, while mocks provide predefined behavior

There is no difference between test doubles and mocks

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How to test double value in Java?

Use the Double.compare() method to compare two double values

Use the Double.sum() method to add two double values

Use the @Test annotation in JUnit for testing double values

Use the Test Double Framework for testing double values

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