support scala-native Scala 3 build

.github/workflows/ci.yml

@@ -47,6 +47,11 @@ jobs:
             java: temurin@8
             scala: 2.13.7
             platform: js
+          - workers: 1
+            os: ubuntu-latest
+            java: temurin@8
+            scala: 3.1.0
+            platform: native
           - workers: 1
             os: ubuntu-latest
             java: temurin@8

build.sbt

@@ -32,7 +32,7 @@ ThisBuild / githubWorkflowBuildMatrixInclusions ++=
   }
 
 ThisBuild / githubWorkflowBuildMatrixInclusions ++=
-  crossScalaVersions.value.filter(_.startsWith("2.")) map { scala =>
+  crossScalaVersions.value.filterNot(_ == Scala30) map { scala =>
     MatrixInclude(
       Map(
         "os" -> PrimaryOS,
@@ -253,10 +253,18 @@ lazy val jvm = project.in(file("jvm"))
 lazy val native = project.in(file("native"))
   .settings(sharedSettings: _*)
   .settings(
-    scalaVersion := Scala212,
-    crossScalaVersions := Seq(Scala212, Scala213),
     // TODO: re-enable MiMa for native once published
     mimaPreviousArtifacts := Set(),
+    publish / skip := CrossVersion.partialVersion(scalaVersion.value) == Some((3, 0)),
+    Compile / doc / scalacOptions --= {
+      // TODO remove this workaround
+      // https://github.com/scala-native/scala-native/issues/2503
+      if (scalaBinaryVersion.value == "3") {
+        (Compile / doc / scalacOptions).value.filter(_.contains("-Xplugin"))
+      } else {
+        Nil
+      }
+    },
     libraryDependencies ++= Seq(
       "org.scala-native" %%% "test-interface" % nativeVersion
     )

project/plugin.sbt

@@ -12,7 +12,7 @@ def printAndDie(msg: String): Nothing = {
   sys.error(msg)
 }
 
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.2")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.3-RC2")
 
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.3")
 

src/main/scala/org/scalacheck/ScalaCheckFramework.scala

@@ -28,7 +28,7 @@ private abstract class ScalaCheckRunner extends Runner {
 
   def deserializeTask(task: String, deserializer: String => TaskDef): BaseTask = {
     val taskDef = deserializer(task)
-    val countTestSelectors = taskDef.selectors.toSeq.count {
+    val countTestSelectors = taskDef.selectors().toSeq.count {
       case _:TestSelector => true
       case _ => false
     }
@@ -37,7 +37,7 @@ private abstract class ScalaCheckRunner extends Runner {
   }
 
   def serializeTask(task: Task, serializer: TaskDef => String) =
-    serializer(task.taskDef)
+    serializer(task.taskDef())
 
   def tasks(taskDefs: Array[TaskDef]): Array[Task] = {
     val isForked = taskDefs.exists(_.fingerprint().getClass.getName.contains("ForkMain"))
@@ -47,13 +47,14 @@ private abstract class ScalaCheckRunner extends Runner {
   protected def sbtSetup(loader: ClassLoader): Parameters => Parameters =
     _.withTestCallback(new Test.TestCallback {}).withCustomClassLoader(Some(loader))
 
-  abstract class BaseTask(override val taskDef: TaskDef) extends Task {
-    val tags: Array[String] = Array()
+  abstract class BaseTask(_taskDef: TaskDef) extends Task {
+    override def taskDef(): TaskDef = _taskDef
+    def tags(): Array[String] = Array()
 
     val loaded: Either[Prop, Properties] = {
-      val fp = taskDef.fingerprint.asInstanceOf[SubclassFingerprint]
-      val obj = if (fp.isModule) Platform.loadModule(taskDef.fullyQualifiedName,loader)
-                else Platform.newInstance(taskDef.fullyQualifiedName, loader, Seq())(Seq())
+      val fp = taskDef().fingerprint().asInstanceOf[SubclassFingerprint]
+      val obj = if (fp.isModule()) Platform.loadModule(taskDef().fullyQualifiedName(),loader)
+                else Platform.newInstance(taskDef().fullyQualifiedName(), loader, Seq())(Seq())
       obj match {
         case props: Properties => Right(props)
         case prop: Prop => Left(prop)
@@ -80,7 +81,7 @@ private abstract class ScalaCheckRunner extends Runner {
     def log(loggers: Array[Logger], ok: Boolean, msg: String) =
       loggers foreach { l =>
         val logstr =
-          if(!l.ansiCodesSupported) msg
+          if(!l.ansiCodesSupported()) msg
           else s"${if (ok) Console.GREEN else Console.RED}$msg${Console.RESET}"
         l.info(logstr)
       }
@@ -93,8 +94,8 @@ private abstract class ScalaCheckRunner extends Runner {
   def rootTask(td: TaskDef): BaseTask = new BaseTask(td) {
     def execute(handler: EventHandler, loggers: Array[Logger]): Array[Task] =
       props.map(_._1).toSet.toArray map { name =>
-        checkPropTask(new TaskDef(td.fullyQualifiedName, td.fingerprint,
-          td.explicitlySpecified, Array(new TestSelector(name)))
+        checkPropTask(new TaskDef(td.fullyQualifiedName(), td.fingerprint(),
+          td.explicitlySpecified(), Array(new TestSelector(name)))
         , single = true)
       }
   }
@@ -105,9 +106,9 @@ private abstract class ScalaCheckRunner extends Runner {
 
       if (single) {
         val mprops: Map[String, Prop] = props.toMap
-        self.taskDef.selectors.foreach {
+        self.taskDef().selectors().foreach {
           case ts: TestSelector =>
-            val name = ts.testName
+            val name = ts.testName()
             mprops.get(name).foreach { prop =>
               executeInternal(prop, name, handler, loggers, propertyFilter)
             }
@@ -129,29 +130,29 @@ private abstract class ScalaCheckRunner extends Runner {
         val result = Test.check(params, prop)
 
         val event = new Event {
-          val status = result.status match {
+          def status() = result.status match {
             case Test.Passed => Status.Success
             case _: Test.Proved => Status.Success
             case _: Test.Failed => Status.Failure
             case Test.Exhausted => Status.Failure
             case _: Test.PropException => Status.Error
           }
-          val throwable = result.status match {
+          def throwable() = result.status match {
             case Test.PropException(_, e, _) => new OptionalThrowable(e)
             case _: Test.Failed => new OptionalThrowable(
               new Exception(pretty(result, Params(0)))
             )
             case _ => new OptionalThrowable()
           }
-          val fullyQualifiedName = self.taskDef.fullyQualifiedName
-          val selector = new TestSelector(name)
-          val fingerprint = self.taskDef.fingerprint
-          val duration = -1L
+          def fullyQualifiedName() = self.taskDef().fullyQualifiedName()
+          def selector() = new TestSelector(name)
+          def fingerprint() = self.taskDef().fingerprint()
+          def duration() = -1L
         }
 
         handler.handle(event)
 
-        event.status match {
+        event.status() match {
           case Status.Success => successCount.incrementAndGet()
           case Status.Error => errorCount.incrementAndGet()
           case Status.Skipped => errorCount.incrementAndGet()
@@ -166,7 +167,7 @@ private abstract class ScalaCheckRunner extends Runner {
           args.grouped(2).filter(twos => verbosityOpts(twos.head))
             .toSeq.headOption.map(_.last).map(_.toInt).getOrElse(0)
         val s = if (result.passed) "+" else "!"
-        val n = if (name.isEmpty) self.taskDef.fullyQualifiedName else name
+        val n = if (name.isEmpty) self.taskDef().fullyQualifiedName() else name
         val logMsg = s"$s $n: ${pretty(result, Params(verbosity))}"
         log(loggers, result.passed, logMsg)
       }
@@ -179,13 +180,13 @@ final class ScalaCheckFramework extends Framework {
   private def mkFP(mod: Boolean, cname: String, noArgCons: Boolean = true) =
     new SubclassFingerprint {
       def superclassName(): String = cname
-      val isModule = mod
+      def isModule() = mod
       def requireNoArgConstructor(): Boolean = noArgCons
     }
 
-  val name = "ScalaCheck"
+  def name() = "ScalaCheck"
 
-  def fingerprints: Array[Fingerprint] = Array(
+  def fingerprints(): Array[Fingerprint] = Array(
     mkFP(false, "org.scalacheck.Properties"),
     mkFP(false, "org.scalacheck.Prop"),
     mkFP(true, "org.scalacheck.Properties"),
@@ -197,7 +198,7 @@ final class ScalaCheckFramework extends Framework {
   ): Runner = new ScalaCheckRunner {
 
     val args = _args
-    val remoteArgs = _remoteArgs
+    def remoteArgs() = _remoteArgs
     val loader = _loader
     val (prms,unknownArgs) = Test.CmdLineParser.parseParams(args)
     val applyCmdParams = prms.andThen(sbtSetup(loader))
@@ -212,7 +213,7 @@ final class ScalaCheckFramework extends Framework {
         None
     }
 
-    def done = if (testCount.get > 0) {
+    def done() = if (testCount.get > 0) {
       val heading = if (testCount.get == successCount.get) "Passed" else "Failed"
       s"$heading: Total $testCount, " +
       s"Failed $failureCount, Errors $errorCount, Passed $successCount" +
@@ -226,7 +227,7 @@ final class ScalaCheckFramework extends Framework {
     _loader: ClassLoader, send: String => Unit
   ): Runner = new ScalaCheckRunner {
     val args = _args
-    val remoteArgs = _remoteArgs
+    def remoteArgs() = _remoteArgs
     val loader = _loader
 
     val (prms,unknownArgs) = Test.CmdLineParser.parseParams(args)
@@ -239,7 +240,7 @@ final class ScalaCheckFramework extends Framework {
 
     def receiveMessage(msg: String) = None
 
-    def done = {
+    def done() = {
       send(s"d$testCount,$successCount,$failureCount,$errorCount")
       ""
     }