Add unit tests for backend controller.

Author: Arty26

test/FunctionalSpec.scala

@@ -0,0 +1,48 @@
+package controllers
+
+import org.scalatestplus.play._
+import org.scalatestplus.play.guice._
+import play.api.test._
+import play.api.test.Helpers._
+
+/**
+  * Add your spec here.
+  * You can mock out a whole application including requests, plugins etc.
+  *
+  * For more information, see https://www.playframework.com/documentation/latest/ScalaTestingWithScalaTest
+  */
+class HomeControllerSpec extends PlaySpec with GuiceOneAppPerTest with Injecting {
+
+  "HomeController GET" should {
+
+    "render the appSummary page from a new instance of controller" in {
+      val controller = new HomeController(stubControllerComponents())
+      val home = controller.appSummary().apply(FakeRequest(GET, "/summary"))
+
+      status(home) mustBe OK
+      contentType(home) mustBe Some("application/json")
+      val resultJson = contentAsJson(home)
+      resultJson.toString() mustBe """{"content":"Scala Play Angular Seed"}"""
+    }
+
+    "render the appSummary page from the application" in {
+      val controller = inject[HomeController]
+      val home = controller.appSummary().apply(FakeRequest(GET, "/summary"))
+
+      status(home) mustBe OK
+      contentType(home) mustBe Some("application/json")
+      val resultJson = contentAsJson(home)
+      resultJson.toString() mustBe """{"content":"Scala Play Angular Seed"}"""
+    }
+
+    "render the appSummary page from the router" in {
+      val request = FakeRequest(GET, "/summary")
+      val home = route(app, request).get
+
+      status(home) mustBe OK
+      contentType(home) mustBe Some("application/json")
+      val resultJson = contentAsJson(home)
+      resultJson.toString() mustBe """{"content":"Scala Play Angular Seed"}"""
+    }
+  }
+}