sbt/project/Scripted.scala

89 lines
3.9 KiB
Scala

import sbt._
import Keys._
import Def.Initialize
import scala.language.reflectiveCalls
object Scripted {
def scriptedPath = file("scripted")
lazy val scripted = InputKey[Unit]("scripted")
lazy val scriptedUnpublished = InputKey[Unit]("scripted-unpublished", "Execute scripted without publishing SBT first. Saves you some time when only your test has changed.")
lazy val scriptedSource = SettingKey[File]("scripted-source")
lazy val scriptedPrescripted = TaskKey[File => Unit]("scripted-prescripted")
lazy val MavenResolverPluginTest = config("mavenResolverPluginTest") extend Compile
import sbt.complete._
import DefaultParsers._
// Paging, 1-index based.
case class ScriptedTestPage(page: Int, total: Int)
def scriptedParser(scriptedBase: File): Parser[Seq[String]] =
{
val pairs = (scriptedBase * AllPassFilter * AllPassFilter * "test").get map { (f: File) =>
val p = f.getParentFile
(p.getParentFile.getName, p.getName)
};
val pairMap = pairs.groupBy(_._1).mapValues(_.map(_._2).toSet);
val id = charClass(c => !c.isWhitespace && c != '/').+.string
val groupP = token(id.examples(pairMap.keySet.toSet)) <~ token('/')
// A parser for page definitions
val pageP: Parser[ScriptedTestPage] = ("*" ~ NatBasic ~ "of" ~ NatBasic) map {
case _ ~ page ~ _ ~ total => ScriptedTestPage(page, total)
}
// Grabs the filenames from a given test group in the current page definition.
def pagedFilenames(group: String, page: ScriptedTestPage): Seq[String] = {
val files = pairMap(group).toSeq.sortBy(_.toLowerCase)
val pageSize = files.size / page.total
// The last page may loose some values, so we explicitly keep them
val dropped = files.drop(pageSize * (page.page - 1))
if (page.page == page.total) dropped
else dropped.take(pageSize)
}
def nameP(group: String) = {
token("*".id | id.examples(pairMap(group)))
}
val PagedIds: Parser[Seq[String]] =
for {
group <- groupP
page <- pageP
files = pagedFilenames(group, page)
// TODO - Fail the parser if we don't have enough files for the given page size
//if !files.isEmpty
} yield files map (f => group + '/' + f)
val testID = (for (group <- groupP; name <- nameP(group)) yield (group, name))
val testIdAsGroup = matched(testID) map (test => Seq(test))
//(token(Space) ~> matched(testID)).*
(token(Space) ~> (PagedIds | testIdAsGroup)).* map (_.flatten)
}
// Interface to cross class loader
type SbtScriptedRunner = {
def run(resourceBaseDirectory: File, bufferLog: Boolean, tests: Array[String], bootProperties: File,
launchOpts: Array[String], prescripted: java.util.List[File]): Unit
}
def doScripted(launcher: File, scriptedSbtClasspath: Seq[Attributed[File]], scriptedSbtInstance: ScalaInstance, sourcePath: File, args: Seq[String], prescripted: File => Unit) {
System.err.println(s"About to run tests: ${args.mkString("\n * ", "\n * ", "\n")}")
val noJLine = new classpath.FilteredLoader(scriptedSbtInstance.loader, "jline." :: Nil)
val loader = classpath.ClasspathUtilities.toLoader(scriptedSbtClasspath.files, noJLine)
val bridgeClass = Class.forName("sbt.test.ScriptedRunner", true, loader)
val bridge = bridgeClass.newInstance.asInstanceOf[SbtScriptedRunner]
val launcherVmOptions = Array("-XX:MaxPermSize=256M") // increased after a failure in scripted source-dependencies/macro
try {
// Using java.util.List to encode File => Unit.
val callback = new java.util.AbstractList[File] {
override def add(x: File): Boolean = {
prescripted(x)
false
}
def get(x: Int): sbt.File = ???
def size(): Int = 0
}
bridge.run(sourcePath, true, args.toArray, launcher, launcherVmOptions, callback)
} catch { case ite: java.lang.reflect.InvocationTargetException => throw ite.getCause }
}
}