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

src/main/scala/de/retest/guistatemachine/persistence/Persistence.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/test/scala/de/retest/guistatemachine/JsonFormatForIdMapSpec.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
+    }
   }
 
 }

src/test/scala/de/retest/guistatemachine/RestServiceSpec.scala

@@ -26,6 +26,7 @@ class RestServiceSpec extends WordSpec with Matchers with ScalatestRouteTest wit
   "The service" should {
     "show the default text for the GET request with the path /" in {
       Get("/") ~> sut ~> check {
+        handled shouldEqual true
         val r = responseAs[String]
         r shouldEqual "GUI State Machine API"
       }
@@ -42,6 +43,7 @@ class RestServiceSpec extends WordSpec with Matchers with ScalatestRouteTest wit
 
     "allow POST for path /create-application" in {
       Post("/create-application") ~> sut ~> check {
+        handled shouldEqual true
         responseAs[Id] shouldEqual Id(0)
       }
     }
@@ -57,13 +59,16 @@ class RestServiceSpec extends WordSpec with Matchers with ScalatestRouteTest wit
 
     "return an empty list for the GET request with the path /application/0/test-suites" in {
       Get("/application/0/test-suites") ~> sut ~> check {
+        handled shouldEqual true
+        status shouldEqual StatusCodes.OK
         val r = responseAs[TestSuites]
         r.suites.values.size shouldEqual 0
       }
     }
 
     "allow POST for path /application/0/create-test-suite" in {
       Post("/application/0/create-test-suite") ~> sut ~> check {
+        handled shouldEqual true
         responseAs[Id] shouldEqual Id(0)
       }
     }
@@ -79,6 +84,7 @@ class RestServiceSpec extends WordSpec with Matchers with ScalatestRouteTest wit
 
     "return status OK for the DELETE request with the path /application/0" in {
       Delete("/application/0") ~> sut ~> check {
+        handled shouldEqual true
         status shouldEqual StatusCodes.OK
         responseAs[String] shouldEqual "OK"
       }