ScalaMock alternatives and similar packages
Based on the "Testing" category.
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Testcontainers-scala
The project repository has moved to https://github.com/testcontainers/testcontainers-scala
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README
ScalaMock
Native Scala mocking.
Official website: scalamock.org
Examples
Expectations-First Style
test("drawline interaction with turtle") {
// Create mock Turtle object
val m = mock[Turtle]
// Set expectations
(m.setPosition _).expects(10.0, 10.0)
(m.forward _).expects(5.0)
(m.getPosition _).expects().returning(15.0, 10.0)
// Exercise System Under Test
drawLine(m, (10.0, 10.0), (15.0, 10.0))
}
Record-then-Verify (Mockito) Style
test("drawline interaction with turtle") {
// Create stub Turtle
val m = stub[Turtle]
// Setup return values
(m.getPosition _).when().returns(15.0, 10.0)
// Exercise System Under Test
drawLine(m, (10.0, 10.0), (15.0, 10.0))
// Verify expectations met
(m.setPosition _).verify(10.0, 10.0)
(m.forward _).verify(5.0)
}
A more complete example is on our Quickstart page.
Features
- Fully typesafe
- Full support for Scala features such as:
- Polymorphic (type parameterised) methods
- Operators (methods with symbolic names)
- Overloaded methods
- Type constraints
- ScalaTest and Specs2 integration
- Mock and Stub support
- Macro Mocks and JVM Proxy Mocks
- Scala.js support
- built for Scala 2.11, 2.12, 2.13
- Scala 2.10 support was included up to ScalaMock 4.2.0
Using ScalaMock
Artefacts are published to Maven Central and Sonatype OSS.
For ScalaTest, to use ScalaMock in your Tests, add the following to your build.sbt
:
libraryDependencies += Seq("org.scalamock" %% "scalamock" % "5.2.0" % Test,
"org.scalatest" %% "scalatest" % "3.2.0" % Test)
Documentation
For usage in Maven or Gradle, integration with Specs2, and more example examples see the User Guide
Acknowledgements
YourKit is kindly supporting open source projects with its full-featured Java Profiler. YourKit, LLC is the creator of innovative and intelligent tools for profiling Java and .NET applications. Take a look at YourKit's leading software products: YourKit Java Profiler and YourKit .NET Profiler.
Many thanks to Jetbrains for providing us with an OSS licence for their fine development tools such as IntelliJ IDEA.
Also, thanks to https://github.com/fthomas/scala-steward for helping to keep our dependencies updated automatically.