sbt/ivy/src/test/scala/ComponentManagerTest.scala

81 lines
3.2 KiB
Scala

package sbt
import java.io.File
import org.specs._
import IO.{createDirectory, delete, touch, withTemporaryDirectory}
import org.apache.ivy.util.ChecksumHelper
import IfMissing.Fail
object ComponentManagerTest extends Specification
{
val TestID = "manager-test"
"Component manager" should {
"throw an exception if 'file' is called for a non-existing component" in {
withManager { _.file(TestID)(Fail) must throwA[InvalidComponent] }
}
"throw an exception if 'file' is called for an empty component" in {
withManager { manager =>
manager.define(TestID, Nil)
( manager.file(TestID)(Fail) ) must throwA[InvalidComponent]
}
}
"return the file for a single-file component" in {
withManager { manager =>
val hash = defineFile(manager, TestID, "a")
checksum(manager.file(TestID)(Fail)) must beEqualTo(hash)
}
}
"throw an exception if 'file' is called for multi-file component" in {
withManager { manager =>
defineFiles(manager, TestID, "a", "b")
( manager.file(TestID)(Fail) ) must throwA[InvalidComponent]
}
}
"return the files for a multi-file component" in {
withManager { manager =>
val hashes = defineFiles(manager, TestID, "a", "b")
checksum(manager.files(TestID)(Fail)) must haveTheSameElementsAs(hashes)
}
}
"return the files for a single-file component" in {
withManager { manager =>
val hashes = defineFiles(manager, TestID, "a")
checksum(manager.files(TestID)(Fail)) must haveTheSameElementsAs(hashes)
}
}
"throw an exception if 'files' is called for a non-existing component" in {
withManager { _.files(TestID)(Fail) must throwA[InvalidComponent] }
}
"properly cache a file and then retrieve it to an unresolved component" in {
withManager { definingManager =>
val hash = defineFile(definingManager, TestID, "a")
try
{
definingManager.cache(TestID)
withManager { usingManager =>
checksum(usingManager.file(TestID)(Fail)) must beEqualTo(hash)
}
}
finally { definingManager.clearCache(TestID) }
}
}
}
private def checksum(files: Iterable[File]): Seq[String] = files.map(checksum).toSeq
private def checksum(file: File): String = if(file.exists) ChecksumHelper.computeAsString(file, "sha1") else ""
private def defineFile(manager: ComponentManager, id: String, name: String): String = createFile(manager, id, name)(checksum)
private def defineFiles(manager: ComponentManager, id: String, names: String*): Seq[String] = createFiles(manager, id, names : _*)(checksum)
private def createFile[T](manager: ComponentManager, id: String, name: String)(f: File => T): T = createFiles(manager, id, name)(files => f(files.toList.head))
private def createFiles[T](manager: ComponentManager, id: String, names: String*)(f: Seq[File] => T): T =
withTemporaryDirectory { dir =>
val files = names.map(name => new File(dir, name) )
files.foreach(writeRandomContent)
manager.define(id, files)
f(files)
}
private def writeRandomContent(file: File) = IO.write(file, randomString)
private def randomString = "asdf"
private def withManager[T](f: ComponentManager => T): T =
TestLogger( logger => withTemporaryDirectory { temp => f(new ComponentManager(xsbt.boot.Locks, new xsbt.boot.ComponentProvider(temp, true), logger)) } )
}