Test runner indicators backport (#4756)

back port of #4737

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

Author: HollandDM

main/util/src/mill/util/PromptLoggerUtil.scala

@@ -60,10 +60,6 @@ private object PromptLoggerUtil {
     (AnsiNav.clearScreen(0) + AnsiNav.up(1) + "\n").getBytes
 
   def spaceNonEmpty(s: String): String = if (s.isEmpty) "" else s" $s"
-  private def renderSecondsSuffix(millis: Long) = (millis / 1000).toInt match {
-    case 0 => ""
-    case n => s" ${n}s"
-  }
 
   def readTerminalDims(terminfoPath: os.Path): Option[(Option[Int], Option[Int])] = {
     try {
@@ -98,7 +94,7 @@ private object PromptLoggerUtil {
     val maxWidth = consoleWidth - 1
     // -1 to account for header
     val maxHeight = math.max(1, consoleHeight / 3 - 1)
-    val headerSuffix = renderSecondsSuffix(now - startTimeMillis)
+    val headerSuffix = mill.util.Util.renderSecondsSuffix(now - startTimeMillis)
 
     val header = renderHeader(headerPrefix, titleText, headerSuffix, maxWidth)
 
@@ -120,7 +116,7 @@ private object PromptLoggerUtil {
               status.next
             else status.prev
             textOpt.map { t =>
-              val seconds = renderSecondsSuffix(now - t.startTimeMillis)
+              val seconds = mill.util.Util.renderSecondsSuffix(now - t.startTimeMillis)
               val mainText = splitShorten(t.text + seconds, maxWidth)
 
               val detail = splitShorten(spaceNonEmpty(t.detail), maxWidth - mainText.length)

main/util/src/mill/util/Util.scala

@@ -105,4 +105,9 @@ object Util {
   def leftPad(s: String, targetLength: Int, char: Char): String = {
     char.toString * (targetLength - s.length) + s
   }
+
+  def renderSecondsSuffix(millis: Long): String = (millis / 1000).toInt match {
+    case 0 => ""
+    case n => s" ${n}s"
+  }
 }

scalalib/src/mill/scalalib/TestModule.scala

@@ -155,6 +155,7 @@ trait TestModule
     Task.Anon {
       val mainClass = "mill.testrunner.entrypoint.TestRunnerMain"
       val outputPath = Task.dest / "out.json"
+      val resultPath = Task.dest / "results.log"
       val selectors = Seq.empty
 
       val testArgs = TestArgs(
@@ -163,6 +164,7 @@ trait TestModule
         arguments = args(),
         sysProps = Map.empty,
         outputPath = outputPath,
+        resultPath = resultPath,
         colored = Task.log.colored,
         testCp = testClasspath().map(_.path),
         home = Task.home,