Remove Furrer model since it is not used anywhere, extend unit tests

Author: tdauth

src/main/scala/de/retest/guistatemachine/furrermodel/GuiApplication.scala

@@ -23,7 +23,7 @@ class Persistence {
     val apps = guiApplications
     apps.synchronized {
       val id = apps.apps.generateId
-      apps.apps.values = apps.apps.values + (id -> new GuiApplication(TestSuites(Map(new HashMap[Id, TestSuite]))))
+      apps.apps.values = apps.apps.values + (id -> GuiApplication(TestSuites(Map(new HashMap[Id, TestSuite]))))
       id
     }
   }

src/main/scala/de/retest/guistatemachine/furrermodel/GuiWidget.scala

@@ -11,13 +11,18 @@ import de.retest.guistatemachine.model.Id
 import de.retest.guistatemachine.model.TestSuite
 import scala.collection.immutable.HashMap
 import de.retest.guistatemachine.model.Map
+import de.retest.guistatemachine.model.GuiApplications
+import de.retest.guistatemachine.model.GuiApplication
 
 class JsonFormatForIdMapSpec extends WordSpec with Matchers {
 
   implicit val idFormat = jsonFormat1(Id)
   implicit val testSuiteFormat = jsonFormat0(TestSuite)
   implicit val hashMapFormatTestSuites = new JsonFormatForIdMap[TestSuite]
   implicit val testSuitesFormat = jsonFormat1(TestSuites)
+  implicit val applicationFormat = jsonFormat1(GuiApplication)
+  implicit val hashMapFormatApplications = new JsonFormatForIdMap[GuiApplication]
+  implicit val applicationsFormat = jsonFormat1(GuiApplications)
 
   "The JSON format" should {
     "convert an empty test suite into JSON and back" in {
@@ -37,6 +42,24 @@ class JsonFormatForIdMapSpec extends WordSpec with Matchers {
       transformedTestSuites.suites.values.isEmpty shouldEqual false
       transformedTestSuites.suites.values.contains(Id(0)) shouldEqual true
     }
+
+    /**
+     * Tests nested fields which do both contain a Map.
+     */
+    "convert an application into JSON and back" in {
+      val testSuites = TestSuites(Map(new HashMap[Id, TestSuite]()))
+      testSuites.suites.values = testSuites.suites.values + (Id(0) -> TestSuite())
+      val apps = GuiApplications(Map(new HashMap[Id, GuiApplication]()))
+      apps.apps.values = apps.apps.values + (Id(0) -> new GuiApplication(testSuites))
+      val json = apps.toJson
+      json.toString shouldEqual "{\"apps\":{\"0\":{\"testSuites\":{\"suites\":{\"0\":{}}}}}}"
+      val transformedApps = json.convertTo[GuiApplications]
+      transformedApps.apps.values.isEmpty shouldEqual false
+      transformedApps.apps.values.contains(Id(0)) shouldEqual true
+      val transformedSuites = transformedApps.apps.values(Id(0)).testSuites.suites.values
+      transformedSuites.isEmpty shouldEqual false
+      transformedSuites.contains(Id(0)) shouldEqual true
+    }
   }
 
 }