Integrating Scalacheck with Maven using TestNG

[Nate Bauernfeind]

I saw some suggestions on how to integrate scalacheck with maven using JUnit. (Primarily by annotating Properties classes with @RunWith(classOf[JUnitRunner]))

However I had a much harder time (read: impossible) trying to get testng to run the test for me.

Eventually I slapped together this solution:

import org.scalacheck.{ConsoleReporter, Test, Properties}

import java.lang.AssertionError

class TestNGProperties(name: String) extends Properties(name) {

  @org.testng.annotations.Test

  def runner() {

    val params = Test.Params.apply(testCallback = ConsoleReporter(1))

    val res = Test.checkProperties(params, this)

    val failed = res.filter(!_._2.passed).size

    if (failed > 0) throw new AssertionError(name + " has failed properties.")

  }

}

Every specification simply has to extend TestNGProperties and be annotated with @Test from TestNG.

I wanted to post this to 1) offer a possible solution and 2) find out if there's a better known solution.

[Bill Venners]

Hi Nate,

You could use TestNGSuite and either Checkers or PropertyChecks from ScalaTest:

http://scalatest.org/scaladoc/1.6.1/#org.scalatest.testng.TestNGSuite

http://scalatest.org/scaladoc/1.6.1/#org.scalatest.prop.Checkers

http://scalatest.org/scaladoc/1.6.1/#org.scalatest.prop.PropertyChecks

Bill

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Bill Venners
Artima, Inc.
http://www.artima.com