What is ScalaTest used for?

Posted on by Muna Meyer

What is ScalaTest used for?

Overview. ScalaTest is one of the most popular, complete and easy-to-use testing frameworks in the Scala ecosystem. Where ScalaTest differs from other testing tools is its ability to support a number of different testing styles such as XUnit and BDD out of the box.

How do I run ScalaTest in IntelliJ?

Open the test in the editor, press Ctrl+Shift+F10 or right-click on the test class and from the context menu select Run ‘test name’. IntelliJ IDEA creates a run/debug configuration for the test automatically, but if you want to edit settings in your configuration, click Run | Edit Configurations on the main menu.

What is Scalactic?

Scalactic provides an “ Either with attitude” named Or , designed for functional error handling. Or gives you more convenient chaining of map and flatMap calls (and for expressions) than Either and, when, combined with Every , enables you to accumulate errors. Every is an ordered collection of one or more elements.

What is Scalatestplus?

The ScalaTest Plus project aims to define integration libraries between ScalaTest and other libraries, to make it easier to test code using those libraries. ScalaTest + TestNG (Versions, Scaladoc) ScalaTest + EasyMock (Versions, Scaladoc) ScalaTest + JMock (Versions, Scaladoc)

How do you use ScalaTest?

Testing Scala in IntelliJ with ScalaTest

  1. Create an sbt project in IntelliJ.
  2. Add the ScalaTest dependency:
  3. On the project pane on the left, expand src => main .
  4. Right-click on scala and select New => Scala class.
  5. Call it CubeCalculator , change the Kind to object , and click OK.
  6. Replace the code with the following:

How do you ignore test cases in ScalaTest?

The easy way to do this in 1.8 is to add a constructor that takes a dummy argument. ScalaTest (and sbt) won’t discover the class if it doesn’t have a public, no-arg constructor: class MySuite(ignore: String) extends FunSuite { // }

How do you run ScalaTest?

Running your tests

  1. From sbt. use ScalaTest’s Framework.
  2. From Maven. use the ScalaTest Maven Plugin.
  3. On the command line. use the Runner.
  4. In the Scala interpreter. invoke execute or use the ScalaTest shell.
  5. Via Ant. use the ScalaTestAntTask.
  6. From IntelliJ IDEA.
  7. From the Scala IDE for Eclipse.
  8. From NetBeans.

How do you write a ScalaTest?

What is ScalaTest Maven plugin?

The ScalaTest Maven plugin allows you to run ScalaTest tests through Maven without requiring @RunWith(classOf[JUnitRunner]) annotations and access all functionality of the ScalaTest Runner , including parallel execution and multiple reporters.

What is specs2?

Using specs2 In specs2, tests are organized into specifications, which contain examples which run the system under test through various different code paths. Specifications extend the Specification trait and are using the should/in format: import org. specs2. mutable.

What is Scala unit testing?

ScalaTest is a popular choice to test Scala projects. It has been used by well-known open-source projects such as Akka. In this course, Unit Testing in Scala, you will learn how to test a Scala project using ScalaTest. First, you will test your codebase using Assertions and Matchers.

What is MockitoSugar?

MockitoSugar trait provides some basic syntax sugar for Mockito. Using the Mockito API directly, you create a mock with: val mockCollaborator = mock(classOf[Collaborator]) Using this trait, you can shorten that to: val mockCollaborator = mock[Collaborator]