Added test to write config

generate-indexes/src/test/scala/nl/lumc/sasc/biopet/pipelines/generateindexes/WriteConfigTest.scala

+package nl.lumc.sasc.biopet.pipelines.generateindexes
+
+import java.io.File
+
+import nl.lumc.sasc.biopet.utils.ConfigUtils
+import org.scalatest.Matchers
+import org.scalatest.testng.TestNGSuite
+import org.testng.annotations.Test
+
+/**
+  * Created by pjvanthof on 17/05/16.
+  */
+class WriteConfigTest extends TestNGSuite with Matchers {
+  @Test
+  def testWriteConfig: Unit = {
+    val writeConfig = new WriteConfig
+    writeConfig.config = Map("test" -> "bla")
+    writeConfig.out = File.createTempFile("config.", ".json")
+    writeConfig.out.deleteOnExit()
+    writeConfig.run
+
+    ConfigUtils.fileToConfigMap(writeConfig.out) shouldBe Map("test" -> "bla")
+  }
+}