Partest command line options (same as scala) useable from sbt

Author: vsalvis

project/Build.scala

@@ -74,12 +74,16 @@ object DottyBuild extends Build {
       partestLockFile.createNewFile
       partestLockFile.deleteOnExit
     },
-    runPartestRunner <<= Def.taskDyn {
+    runPartestRunner <<= Def.inputTaskDyn {
+      // Magic! This is both an input task and a dynamic task. Apparently
+      // command line arguments get passed to the last task in an aliased
+      // sequence (see partest alias below), so this works.
+      val args = Def.spaceDelimited("<arg>").parsed
       val jars = Seq((packageBin in Compile).value.getAbsolutePath) ++ 
           getJarPaths(partestDeps.value, ivyPaths.value.ivyHome)
       val dottyJars  = "-dottyJars " + jars.length + " " + jars.mkString(" ")
       // Provide the jars required on the classpath of run tests
-      runTask(Test, "dotty.partest.DPConsoleRunner", dottyJars)
+      runTask(Test, "dotty.partest.DPConsoleRunner", dottyJars + " " + args.mkString(" "))
     },
 
     // Adjust classpath for running dotty
@@ -170,7 +174,7 @@ object DottyBuild extends Build {
   lazy val partestLockFile = new File("." + File.separator + "tests" + File.separator + "locks" + File.separator + s"partest-$pid.lock")
   def pid = java.lang.Long.parseLong(java.lang.management.ManagementFactory.getRuntimeMXBean().getName().split("@")(0))
 
-  lazy val runPartestRunner = TaskKey[Unit]("runPartestRunner", "Runs partest")
+  lazy val runPartestRunner = InputKey[Unit]("runPartestRunner", "Runs partest")
 
   lazy val partestDeps = SettingKey[Seq[ModuleID]]("partestDeps", "Finds jars for partest dependencies")
   def getJarPaths(modules: Seq[ModuleID], ivyHome: Option[File]): Seq[String] = ivyHome match {

test/dotty/partest/DPConsoleRunner.scala

@@ -23,21 +23,24 @@ object DPConsoleRunner {
     // extra jars for run tests are passed with -dottyJars <count> <jar1> <jar2> ...
     val jarFinder = """-dottyJars (\d*) (.*)""".r
     val (jarList, otherArgs) = args.toList.partition(jarFinder.findFirstIn(_).isDefined)
-    val extraJars = jarList match {
+    val (extraJars, moreArgs) = jarList match {
       case Nil => sys.error("Error: DPConsoleRunner needs \"-dottyJars <jarCount> <jars>*\".")
       case jarFinder(nr, jarString) :: Nil => 
         val jars = jarString.split(" ").toList
-        if (jars.length.toString != nr)
-          sys.error("Error: DPConsoleRunner found wrong number of dottyJars: " + jars + ", expected: " + nr + ". Make sure the path doesn't contain any spaces.")
-        else jars
+        val count = nr.toInt
+        if (jars.length < count)
+          sys.error("Error: DPConsoleRunner found wrong number of dottyJars: " + jars + ", expected: " + nr)
+        else (jars.take(count), jars.drop(count))
       case list => sys.error("Error: DPConsoleRunner found several -dottyJars options: " + list)
     }
-    new DPConsoleRunner(otherArgs mkString (" "), extraJars).runPartest
+    new DPConsoleRunner((otherArgs ::: moreArgs) mkString (" "), extraJars).runPartest
   }
 }
 
 // console runner has a suite runner which creates a test runner for each test
 class DPConsoleRunner(args: String, extraJars: List[String]) extends ConsoleRunner(args) {
+  println("ConsoleRunner options: " + args)
+
   override val suiteRunner = new DPSuiteRunner (
     testSourcePath = optSourcePath getOrElse DPConfig.testRoot,
     fileManager = new DottyFileManager(extraJars),