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Dogcows Code - chaz/sbt-tap/blob - src/main/scala/SbtTapReporting.scala
1 import java
.io
.{PrintWriter
, StringWriter
, File
, FileWriter
}
3 import org
.scalatools
.testing
.{Event
=> TEvent
, Result
=> TResult
}
5 import java
.util
.concurrent
.atomic
.AtomicInteger
7 object SbtTapReporting
extends Plugin
{
8 def apply() = new SbtTapListener
12 * Listens to sbt test listener events and writes them to a tap compatible file. Results for all groups
13 * go to a single file although it might be desirable to generate one tap file per group.
15 * sbt runs tests in parallel and the protocol does not seem to provide a way to match a group to a test event. It
16 * does look line one thread calls startGroup/testEvent/endGroup sequentially and using thread local to keep
17 * the current active group might be one way to go.
19 class SbtTapListener
extends TestsListener
{
20 var testId
= new AtomicInteger(0)
21 var fileWriter
: FileWriter
= _
23 override def doInit
= {
24 new File("test-results").mkdirs
26 fileWriter
= new FileWriter(
27 scala
.util
.Properties
.envOrElse("SBT_TAP_OUTPUT", "test-results/test.tap")
31 def startGroup(name
: String
) =
32 writeTapDiag("start", name
)
34 def endGroup(name
: String
, result
: TestResult
.Value
) =
35 writeTapDiag("end", name
, "with result", result
.toString
.toLowerCase
)
37 def endGroup(name
: String
, t
: Throwable
) = {
38 writeTapDiag("end", name
)
39 writeTapDiag(stackTraceForError(t
))
42 def testEvent(event
: TestEvent
) = {
43 event
.detail
.foreach
{ e
: TEvent
=>
45 case TResult
.Success
=> writeTap("ok", testId
.incrementAndGet
, "-", e
.testName
)
46 case TResult
.Error
| TResult
.Failure
=>
47 writeTap("not ok", testId
.incrementAndGet
, "-", e
.testName
)
48 // TODO: It would be nice if we could report the exact line in the test where this happened.
49 writeTapDiag(stackTraceForError(e
.error
))
50 case TResult
.Skipped
=>
51 // it doesn't look like this framework distinguishes between pending and ignored.
52 writeTap("ok", testId
.incrementAndGet
, e
.testName
, "#", "skip", e
.testName
)
57 override def doComplete(finalResult
: TestResult
.Value
) = {
58 writeTap("1.." + testId
.get
)
62 private def writeTap(s
: Any
*) = {
63 fileWriter
.write(s
.mkString("", " ", "\n"))
67 private def writeTapDiag(s
: Any
*) =
68 writeTap("#", s
.mkString("", " ", "\n").trim
.replaceAll("\\n", "\n# "))
70 private def stackTraceForError(t
: Throwable
): String
= {
71 val sw
= new StringWriter
72 val printWriter
= new PrintWriter(sw
)
73 t
.printStackTrace(printWriter
)
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