How do you write a ScalaTest?

How do you write a 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:

What is FlatSpec?

Trait FlatSpec is so named because your specification text and tests line up flat against the left-side indentation level, with no nesting needed. FlatSpec ‘s no-nesting approach contrasts with traits FunSpec and WordSpec , which use nesting to reduce duplication of specification text.

What is ScalaTest SBT?

sbt is built for Scala and Java projects. It is the build tool of choice for 93.6% of the Scala developers (2019). One of the examples of Scala-specific feature is the ability to cross build your project against multiple Scala versions.

What is spec in Scala?

A Spec contains describe clauses and tests. You define a describe clause with describe , and a test with it . With each test you provide a string (the spec text) that specifies one bit of behavior of the subject, and a block of code that tests that behavior.

How do I use ScalaTest in Intellij?

Run Scala tests with coverage

  1. From the main menu, select Run | Edit Configurations.
  2. In the Run/Debug Configurations dialog, click the icon from the options on the left.
  3. From the list that opens, select the configuration you need.
  4. From the options on right, click the Code Coverage tab.

What is sbt used for?

sbt is an open-source build tool for Scala and Java projects, similar to Apache’s Maven and Ant. Its main features are: Native support for compiling Scala code and integrating with many Scala test frameworks. Continuous compilation, testing, and deployment.

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.