Added init test on write deps

biopet-core/src/test/scala/nl/lumc/sasc/biopet/core/WriteDependenciesTest.scala

+package nl.lumc.sasc.biopet.core
+
+import java.io.File
+import java.nio.file.Files
+
+import org.broadinstitute.gatk.queue.function.QFunction
+import org.scalatest.Matchers
+import org.scalatest.testng.TestNGSuite
+import org.testng.annotations.Test
+
+import scala.io.Source
+
+/**
+  * Created by pjvanthof on 09/05/16.
+  */
+class WriteDependenciesTest extends TestNGSuite with Matchers {
+
+  import WriteDependenciesTest._
+
+  case class Qfunc(in: Seq[File], out: Seq[File]) extends QFunction {
+    override def inputs = in
+    override def outputs = out
+    override def doneOutputs = out.map(x => new File(x.getParentFile, s".${x.getName}.done"))
+    override def failOutputs = out.map(x => new File(x.getParentFile, s".${x.getName}.fail"))
+    jobOutputFile = new File(out.head + ".out")
+  }
+
+  @Test
+  def test: Unit = {
+    val outputFile = File.createTempFile("deps.", ".json")
+    outputFile.deleteOnExit()
+    WriteDependencies.writeDependencies(Qfunc(file1 :: Nil, file2 :: Nil) :: Qfunc(file2 :: Nil, file3 :: Nil) :: Nil, outputFile)
+    println(Source.fromFile(outputFile).getLines().mkString("\n"))
+  }
+}
+
+object WriteDependenciesTest {
+  val tempDir = Files.createTempDirectory("test").toFile
+  tempDir.deleteOnExit()
+  val file1 = new File(tempDir, "file1.txt")
+  val file2 = new File(tempDir, "file2.txt")
+  val file3 = new File(tempDir, "file3.txt")
+}
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