Elite QandA


What does RunWith annotation do?


  1. What does RunWith annotation do?
  2. What is the use of RunWith?
  3. What is run with annotation in JUnit?
  4. What is difference between junit4 and junit5?
  5. What is RunWith in JUnit?
  6. What is Cucumber class?
  7. Can I have two @RunWith?
  8. What is @RunWith JUnitPlatform class?
  9. What is RunWith SpringRunner class?
  10. Is JUnit 5 faster than junit4?
  11. Is TestNG better than JUnit?
  12. What is MockitoAnnotations initMocks this?
  13. Why do we need RunWith SpringRunner?
  14. What is the limitation for using JUnit?
  15. What is glue in BDD?
  16. What is Cucumber testing?
  17. What is the difference between SpringJUnit4ClassRunner and SpringRunner?
  18. What is @ContextConfiguration in Spring?
  19. What is Maven Selenium?
  20. Why do we use TestNG over JUnit?
  21. What is Injectmock?
  22. How do you mock in JUnit?
  23. What is RunWith SpringRunner class?
  24. Which is better TestNG or JUnit?
  25. Can I use TestNG and JUnit together?
  26. What is Cucumber option?
  27. How do I use SpringRunner?
  28. What is @RunWith SpringJUnit4ClassRunner class )?
  29. What is difference between Maven and TestNG?
  30. What is the difference between Maven and Jenkins?
  31. Can we use Autowired in Test class?
  32. Can I use Autowired in JUnit?
  33. What is TDD and BDD?
  34. Why is it called Gherkin?
  35. What is TestNG annotations in Selenium?
  36. What are the annotations used in TestNG how it is difference from JUnit?

What does RunWith annotation do?

If a JUnit class or its parent class is annotated with @RunWith, JUnit framework invokes the specified class as a test runner instead of running the default runner. A Runner class is responsible to run JUnit test, typically by reflection. An example of @RunWith is @RunWith(Suite.

What is the use of RunWith?

When a class is annotated with @RunWith , JUnit will invoke the class in which is annotated so as to run the tests, instead of using the runner built into JUnit.

What is run with annotation in JUnit?

JUnit provides an annotation called @Test, which tells the JUnit that the public void method in which it is used can run as a test case. To execute multiple tests in a specified order, it can be done by combining all the tests in one place.

What is difference between junit4 and junit5?

One test runner can only execute tests in JUnit 4 at a time (e.g. SpringJUnit4ClassRunner or Parameterized ). JUnit 5 allows multiple runners to work simultaneously. JUnit 4 never advanced beyond Java 7, missing out on a lot of features from Java 8. JUnit 5 makes good use of Java 8 features.

What is RunWith in JUnit?

When a class is annotated with @RunWith or extends a class annotated with @RunWith , JUnit will invoke the class it references to run the tests in that class instead of the runner built into JUnit. We added this feature late in development.

What is Cucumber class?

A Cucumber runner class is one of the many mechanisms used to run a Cucumber feature file. It uses the Junit runner class to run the files. Runner class acts as a link between the step definition class and the feature files. It is a class where you provide the path for both feature files and step definitions.

Can I have two @RunWith?

You cannot do this because according to spec you cannot put the same annotation twice on the same annotated element. So, what is the solution? The solution is to put only one @RunWith() with runner you cannot stand without and replace other one with something else.

What is @RunWith JUnitPlatform class?

Class JUnitPlatform Annotating a class with @RunWith(JUnitPlatform. class) allows it to be run with IDEs and build systems that support JUnit 4 but do not yet support the JUnit Platform directly. Consult the various annotations in the org. If you do not use any configuration annotations from the org.

What is RunWith SpringRunner class?

@RunWith(SpringRunner. class) tells JUnit to run using Spring's testing support. SpringRunner is the new name for SpringJUnit4ClassRunner , it's just a bit easier on the eye.

Is JUnit 5 faster than junit4?

JUnit 5 is 10x slower than JUnit 4 #880.

Is TestNG better than JUnit?

Both Testng and Junit are Testing framework used for Unit Testing. TestNG is similar to JUnit. Few more functionalities are added to it that makes TestNG more powerful than JUnit.

What is MockitoAnnotations initMocks this?

Class MockitoAnnotations MockitoAnnotations. initMocks(this), initializes fields annotated with Mockito annotations. Allows shorthand creation of objects required for testing. Makes the test class more readable. Makes the verification error easier to read because field name is used to identify the mock.

Why do we need RunWith SpringRunner?

@RunWith(SpringRunner. class) provides a bridge between Spring Boot test features and JUnit. Whenever we are using any Spring Boot testing features in our JUnit tests, this annotation will be required.

What is the limitation for using JUnit?

But it also has some limitations like: It cannot do dependency testing as opposed to TestNG framework. It's not suitable for higher level testing i.e. for large test suites. Group testing cannot be done in JUnit, which is available in TestNG.

What is glue in BDD?

The glue is a part of Cucumber options that describes the location and path of the step definition file.

What is Cucumber testing?

Cucumber is an open-source software testing tool written in Ruby. Cucumber enables you to write test cases that anyone can easily understand regardless of their technical knowledge.

What is the difference between SpringJUnit4ClassRunner and SpringRunner?

There is no difference, from the javadoc: SpringRunner is an alias for the SpringJUnit4ClassRunner. @RunWith(SpringRunner. class) tells JUnit to run using Spring's testing support.

What is @ContextConfiguration in Spring?

@ContextConfiguration defines class-level metadata that is used to determine how to load and configure an ApplicationContext for integration tests.

What is Maven Selenium?

Maven is a tool which is used for building and managing Java Based Projects. Basically to put it in simple words is a way to manage dependency for Java Based Project. Maven can be used when building project with POM (Page Object Model) when working on big projects.

Why do we use TestNG over JUnit?

TestNG enables you to group test cases easily which is not possible in JUnit. TestNG do not require extend any class. TestNG allows to execute test cases based on group which isn't possible in JUnit. Parallel execution of Selenium test cases is possible in TestNG.

What is Injectmock?

@InjectMocks is the Mockito Annotation. It allows you to mark a field on which an injection is to be performed. Injection allows you to, Enable shorthand mock and spy injections.

How do you mock in JUnit?

Mockito - JUnit IntegrationStep 1 − Create an interface called CalculatorService to provide mathematical functions.Step 2 − Create a JAVA class to represent MathApplication.Step 3 − Test the MathApplication class. Step 4 − Create a class to execute to test cases. Step 5 − Verify the Result.

What is RunWith SpringRunner class?

@RunWith(SpringRunner. class) provides a bridge between Spring Boot test features and JUnit. Whenever we are using any Spring Boot testing features in our JUnit tests, this annotation will be required.

Which is better TestNG or JUnit?

Both Testng and Junit are Testing framework used for Unit Testing. TestNG is similar to JUnit. Few more functionalities are added to it that makes TestNG more powerful than JUnit.

Can I use TestNG and JUnit together?

All you have to do is to put JUnit library on the TestNG classpath, so it can find and use JUnit classes, change your test runner from JUnit to TestNG in Ant, and then run TestNG in "mixed" mode. This way, you can have all your tests in the same project, even in the same package, and start using TestNG.

What is Cucumber option?

What is Cucumber Options? In layman language, @CucumberOptions are like property files or settings for your test. Basically @CucumberOptions enables us to do all the things that we could have done if we have used cucumber command line. One is for Feature File and the other is for Step Definition file.

How do I use SpringRunner?

SpringRunner is an alias for the SpringJUnit4ClassRunner . To use this class, simply annotate a JUnit 4 based test class with @RunWith(SpringRunner. class) . If you would like to use the Spring TestContext Framework with a runner other than this one, use SpringClassRule and SpringMethodRule .

What is @RunWith SpringJUnit4ClassRunner class )?

@RunWith(SpringJUnit4ClassRunner. class): Indicates that the class should use Spring's JUnit facilities. If you are using annotations rather than XML files, then any class that you are unit testing that requires Spring dependency injection needs to be put into the @ContextConfiguration annotation.

What is difference between Maven and TestNG?

xml is the configuration for TestNG testing framework (e.g. defining test suites, test listeners, etc...) pom. xml is the configuration for Maven build tool (e.g. defining build plugins, compile and test dependencies, build profiles, etc...)

What is the difference between Maven and Jenkins?

Jenkins is an open-source continuous integration software tool. It was written for testing and reporting. A Maven is a build tool which helps in build and version control.

Can we use Autowired in Test class?

To check the Service class, we need to have an instance of the Service class created and available as a @Bean so that we can @Autowire it in our test class. We can achieve this configuration using the @TestConfiguration annotation.

Can I use Autowired in JUnit?

Also note that we can wire other spring beans in our jUnit test classes using @Autowired annotation.

What is TDD and BDD?

TDD is Test Driven Development. TDD is a development practice while BDD is a team methodology. In TDD, the developers write the tests while in BDD the automated specifications are created by users or testers (with developers wiring them to the code under test.)

Why is it called Gherkin?

The word gherkin comes from early modern Dutch, gurken or augurken for "small pickled cucumber". Cornichons are tart French pickles made from gherkins pickled in vinegar and tarragon. They traditionally accompany pâtés and cold cuts. Sweet gherkins, which contain sugar in the pickling brine, are also a popular variety.

What is TestNG annotations in Selenium?

TestNG Annotations are used to describe a batch of code inserted into the program or business logic used to control the flow of methods in the test script. They make Selenium test scripts more manageable, sophisticated and effective.

What are the annotations used in TestNG how it is difference from JUnit?

JUnit provides an easier and readable approach to test known as Parameterized test. Both TestNG and JUnit supports parameterized test but differ in the way they define the parameter value. Let see this one by one. The “@RunWith” and “@Parameter” annotations are used to provide parameter value for the unit test.



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