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|
/* __ *\
** ________ ___ / / ___ __ ____ Scala.js sbt plugin **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.sbtplugin.testing
import sbt.testing.Logger
import sbt.testing.EventHandler
import scala.scalajs.tools.env.JSConsole
import scala.scalajs.tools.sourcemap.SourceMapper
import scala.scalajs.tools.classpath.{CompleteClasspath, IRClasspath}
import scala.collection.mutable.ArrayBuffer
import scala.util.Try
import java.util.regex._
/** This parses the messages sent from the test bridge and forwards
* the calls to SBT. It also buffers all log messages and allows to
* pipe them to multiple loggers in a synchronized fashion. This
* ensures that log messages aren't interleaved due to parallelism.
*/
class TestOutputConsole(
base: JSConsole,
handler: EventHandler,
events: Events,
classpath: CompleteClasspath,
noSourceMap: Boolean) extends JSConsole {
import TestOutputConsole._
import events._
private val traceBuf = new ArrayBuffer[StackTraceElement]
private val logBuffer = new ArrayBuffer[LogElement]
/* See #727: source mapping does not work with CompleteIRClasspath, so
* don't bother to try.
*/
private val ignoreSourceMapping =
noSourceMap || classpath.isInstanceOf[IRClasspath]
private lazy val sourceMapper = new SourceMapper(classpath)
override def log(msg: Any): Unit = {
val data = msg.toString
val sepPos = data.indexOf("|")
if (sepPos == -1)
log(_.error, s"Malformed message: $data")
else {
val op = data.substring(0, sepPos)
val message = unescape(data.substring(sepPos + 1))
op match {
case "console-log" =>
base.log(message)
case "error" =>
val trace = getTrace()
logWithEvent(_.error,
messageWithStack(message, trace),
Error(new TestException(message, trace))
)
case "failure" =>
val trace = getTrace()
logWithEvent(_.error,
messageWithStack(message, trace),
Failure(new TestException(message, trace))
)
case "succeeded" =>
noTrace()
logWithEvent(_.info, message, Succeeded)
case "skipped" =>
noTrace()
logWithEvent(_.info, message, Skipped)
case "pending" =>
noTrace()
logWithEvent(_.info, message, Pending)
case "ignored" =>
noTrace()
logWithEvent(_.info, message, Ignored)
case "canceled" =>
noTrace()
logWithEvent(_.info, message, Canceled)
case "error-log" =>
noTrace()
log(_.error, message)
case "info" =>
noTrace()
log(_.info, message)
case "warn" =>
noTrace()
log(_.warn, message)
case "trace" =>
val Array(className, methodName, fileName,
lineNumberStr, columnNumberStr) = message.split('|')
def tryParse(num: String, name: String) = Try(num.toInt).getOrElse {
log(_.warn, s"Couldn't parse $name number in StackTrace: $num")
-1
}
val lineNumber = tryParse(lineNumberStr, "line")
val columnNumber = tryParse(columnNumberStr, "column")
val ste =
new StackTraceElement(className, methodName, fileName, lineNumber)
if (ignoreSourceMapping)
traceBuf += ste
else
traceBuf += sourceMapper.map(ste, columnNumber)
case _ =>
noTrace()
log(_.error, s"Unknown op: $op. Originating log message: $data")
}
}
}
private def noTrace() = {
if (traceBuf.nonEmpty)
log(_.warn, s"Discarding ${traceBuf.size} stack elements")
traceBuf.clear()
}
private def getTrace() = {
val res = traceBuf.toArray
traceBuf.clear()
res
}
private def messageWithStack(message: String, stack: Array[StackTraceElement]): String =
message + stack.mkString("\n", "\n", "")
private def log(method: LogMethod, message: String): Unit =
logBuffer.append(LogElement(method, message))
private def logWithEvent(method: LogMethod,
message: String, event: Event): Unit = {
handler handle event
log(method, message)
}
def pipeLogsTo(loggers: Array[Logger]): Unit = {
TestOutputConsole.synchronized {
for {
LogElement(method, message) <- logBuffer
logger <- loggers
} method(logger) {
if (logger.ansiCodesSupported) message
else removeColors(message)
}
}
}
def allLogs: List[LogElement] = logBuffer.toList
private val colorPattern = raw"\033\[\d{1,2}m"
private def removeColors(message: String): String =
message.replaceAll(colorPattern, "")
private val unEscPat = Pattern.compile("(\\\\\\\\|\\\\n|\\\\r)")
private def unescape(message: String): String = {
val m = unEscPat.matcher(message)
val res = new StringBuffer()
while (m.find()) {
val repl = m.group() match {
case "\\\\" => "\\\\"
case "\\n" => "\n"
case "\\r" => "\r"
}
m.appendReplacement(res, repl);
}
m.appendTail(res);
res.toString
}
}
object TestOutputConsole {
type LogMethod = Logger => (String => Unit)
case class LogElement(method: LogMethod, message: String)
}
|
