I use the framework mentioned in the header with the following configuration:
"com.typesafe.play" % "sbt-plugin" % "2.4.2" "org.scalacheck" %% "scalacheck" % "1.12.4" % "test" "org.scalatest" %% "scalatest" % "2.2.5" % "test" "org.scalatestplus" %% "play" % "1.4.0-M4" % "test"
With a simple test to demonstrate:
class User extends FlatSpec with Matchers with Checkers { it should "do scala check stuff" in { check( ( a: Int ) ⇒ a > 100 ) } it should "do scala check stuff II" in { check( ( a: Int ) ⇒ true ) } }
It seems to work mostly, but the sbt test output is cluttered with exceptions.
[project-id] $ test [info] User: [info] palcActorSystemProvider - Starting application default Akka system: application [info] palcActorSystemProvider - Shutdown application default Akka system: application [info] - should do scala check stuff *** FAILED *** [info] GeneratorDrivenPropertyCheckFailedException was thrown during property evaluation. [info] (User.scala:157) [info] Falsified after 0 successful property evaluations. [info] Location: (User.scala:157) [info] Occurred when passed generated values ( [info] arg0 = -1 [info] ) Exception in thread "Thread-31" java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.List$SerializationProxy to field org.scalacheck.Test$Failed.args of type scala.collection.immutable.List in instance of org.scalacheck.Test$Failed at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2089) at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1261) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1999) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371) at org.scalatest.tools.Framework$ScalaTestRunner$Skeleton$1$React.react(Framework.scala:953) at org.scalatest.tools.Framework$ScalaTestRunner$Skeleton$1.run(Framework.scala:942) at java.lang.Thread.run(Thread.java:745) Reporter completed abruptly with an exception after receiving event: TestFailed(Ordinal(0, 3),GeneratorDrivenPropertyCheckFailedException was thrown during property evaluation. (User.scala:157) Falsified after 0 successful property evaluations. Location: (User.scala:157) Occurred when passed generated values ( arg0 = -1 ),User,test.api.controller.User,Some(test.api.controller.User),should do scala check stuff,should do scala check stuff,Vector(),Some(org.scalatest.exceptions.GeneratorDrivenPropertyCheckFailedException: GeneratorDrivenPropertyCheckFailedException was thrown during property evaluation. (User.scala:157) Falsified after 0 successful property evaluations. Location: (User.scala:157) Occurred when passed generated values ( arg0 = -1 )),Some(3210),Some(IndentedText(- should do scala check stuff,should do scala check stuff,0)),Some(SeeStackDepthException),Some(test.api.controller.User),None,pool-1-thread-1-ScalaTest-running-User,1440662150684). java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) at java.net.SocketOutputStream.write(SocketOutputStream.java:153) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877) at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1786) at java.io.ObjectOutputStream.writeNonProxyDesc(ObjectOutputStream.java:1286) at java.io.ObjectOutputStream.writeClassDesc(ObjectOutputStream.java:1231) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1427) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1577) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:351) at org.scalatest.tools.SocketReporter.apply(SocketReporter.scala:31) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:240) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:239) at scala.collection.immutable.List.foreach(List.scala:381) at org.scalatest.DispatchReporter$Propagator.run(DispatchReporter.scala:239) at java.lang.Thread.run(Thread.java:745) Reporter completed abruptly with an exception after receiving event: TestStarting(Ordinal(0, 4),User,test.api.controller.User,Some(test.api.controller.User),should do scala check stuff II,should do scala check stuff II,Some(MotionToSuppress),Some(LineInFile(160,User.scala)),Some(test.api.controller.User),None,pool-1-thread-1-ScalaTest-running-User,1440662150704). java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) at java.net.SocketOutputStream.write(SocketOutputStream.java:153) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877) at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1786) at java.io.ObjectOutputStream.writeNonProxyDesc(ObjectOutputStream.java:1286) at java.io.ObjectOutputStream.writeClassDesc(ObjectOutputStream.java:1231) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1427) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1577) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:351) at org.scalatest.tools.SocketReporter.apply(SocketReporter.scala:31) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:240) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:239) at scala.collection.immutable.List.foreach(List.scala:381) at org.scalatest.DispatchReporter$Propagator.run(DispatchReporter.scala:239) at java.lang.Thread.run(Thread.java:745) [info] palcActorSystemProvider - Starting application default Akka system: application [info] palcActorSystemProvider - Shutdown application default Akka system: application [info] - should do scala check stuff II Reporter completed abruptly with an exception after receiving event: TestSucceeded(Ordinal(0, 5),User,test.api.controller.User,Some(test.api.controller.User),should do scala check stuff II,should do scala check stuff II,Vector(),Some(506),Some(IndentedText(- should do scala check stuff II,should do scala check stuff II,0)),Some(LineInFile(160,User.scala)),Some(test.api.controller.User),None,pool-1-thread-1-ScalaTest-running-User,1440662151215). java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) at java.net.SocketOutputStream.write(SocketOutputStream.java:153) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877) at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1786) at java.io.ObjectOutputStream.writeNonProxyDesc(ObjectOutputStream.java:1286) at java.io.ObjectOutputStream.writeClassDesc(ObjectOutputStream.java:1231) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1427) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1577) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:351) at org.scalatest.tools.SocketReporter.apply(SocketReporter.scala:31) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:240) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:239) at scala.collection.immutable.List.foreach(List.scala:381) at org.scalatest.DispatchReporter$Propagator.run(DispatchReporter.scala:239) at java.lang.Thread.run(Thread.java:745) Reporter completed abruptly with an exception after receiving event: SuiteCompleted(Ordinal(0, 6),User,test.api.controller.User,Some(test.api.controller.User),Some(3850),Some(MotionToSuppress),Some(TopOfClass(test.api.controller.User)),None,None,pool-1-thread-1,1440662151227). java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) at java.net.SocketOutputStream.write(SocketOutputStream.java:153) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877) at java.io.ObjectOutputStream$BlockDataOutputStream.writeByte(ObjectOutputStream.java:1915) at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1576) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:351) at org.scalatest.tools.SocketReporter.apply(SocketReporter.scala:31) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:240) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:239) at scala.collection.immutable.List.foreach(List.scala:381) at org.scalatest.DispatchReporter$Propagator.run(DispatchReporter.scala:239) at java.lang.Thread.run(Thread.java:745) Reporter completed abruptly with an exception after receiving event: RunCompleted(Ordinal(0, 7),Some(4099),Some(Summary(1,1,0,0,0,1,0,0)),None,None,None,main,1440662151252). java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) at java.net.SocketOutputStream.write(SocketOutputStream.java:153) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877) at java.io.ObjectOutputStream$BlockDataOutputStream.writeByte(ObjectOutputStream.java:1915) at java.io.ObjectOutputStream.writeFatalException(ObjectOutputStream.java:1576) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:351) at org.scalatest.tools.SocketReporter.apply(SocketReporter.scala:31) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:240) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$1.apply(DispatchReporter.scala:239) at scala.collection.immutable.List.foreach(List.scala:381) at org.scalatest.DispatchReporter$Propagator.run(DispatchReporter.scala:239) at java.lang.Thread.run(Thread.java:745) Reporter completed abruptly with an exception on invocation of the dispose method. java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) at java.net.SocketOutputStream.write(SocketOutputStream.java:153) at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877) at java.io.ObjectOutputStream$BlockDataOutputStream.flush(ObjectOutputStream.java:1822) at java.io.ObjectOutputStream.flush(ObjectOutputStream.java:719) at org.scalatest.tools.SocketReporter.dispose(SocketReporter.scala:37) at org.scalatest.DispatchReporter$.propagateDispose(DispatchReporter.scala:312) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$2.apply(DispatchReporter.scala:251) at org.scalatest.DispatchReporter$Propagator$$anonfun$run$2.apply(DispatchReporter.scala:250) at scala.collection.immutable.List.foreach(List.scala:381) at org.scalatest.DispatchReporter$Propagator.run(DispatchReporter.scala:250) at java.lang.Thread.run(Thread.java:745) [info] ScalaCheck [info] Passed: Total 0, Failed 0, Errors 0, Passed 0 [info] ScalaTest [info] Run completed in 4 seconds, 976 milliseconds. [info] Total number of tests run: 0 [info] Suites: completed 0, aborted 0 [info] Tests: succeeded 0, failed 0, canceled 0, ignored 0, pending 0 [info] No tests were executed. [error] Failed: Total 2, Failed 1, Errors 0, Passed 1 [error] Failed tests: [error] test.api.controller.User [error] (api/test:test) sbt.TestsFailedException: Tests unsuccessful [error] Total time: 6 s, completed 27.08.2015 09:55:51
I am also confused by the fact that at the end of the magazine there are 3 test summaries, of which 2 do not contain useful information.