Added Route Test

akka-http/src/test/java/com/baeldung/akkahttp/UserRoutesTest.java

@@ -0,0 +1,48 @@
+package com.baeldung.akkahttp;
+
+import org.junit.Test;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.http.javadsl.model.ContentType;
+import akka.http.javadsl.model.ContentType.NonBinary;
+import akka.http.javadsl.model.HttpHeader;
+import akka.http.javadsl.model.HttpRequest;
+import akka.http.javadsl.model.MediaType;
+import akka.http.javadsl.model.MediaTypes;
+import akka.http.javadsl.model.StatusCodes;
+import akka.http.javadsl.model.headers.RawHeader;
+import akka.http.javadsl.testkit.JUnitRouteTest;
+import akka.http.javadsl.testkit.TestRoute;
+
+public class UserRoutesTest extends JUnitRouteTest {
+
+    ActorSystem system = ActorSystem.create("helloAkkaHttpServer");
+    ActorRef userActorRef = system.actorOf(UserActor.props(), "userActor");
+
+    TestRoute appRoute = testRoute(new UserRoutes(system, userActorRef).routes());
+
+    @Test
+    public void givenUser_WhenGetOrPostUsers_ThenUserRetrieved() {
+
+        appRoute.run(HttpRequest.GET("/users"))
+            .assertStatusCode(200)
+            .assertContentType("application/json")
+            .assertEntity("{\"users\":[]}");
+
+        appRoute.run(HttpRequest.GET("/usersw"))
+            .assertStatusCode(404);
+
+        appRoute.run(HttpRequest.POST("/users"))
+            .assertStatusCode(400);
+
+        final RawHeader contentTypeHeader = RawHeader.create("Content-Type", "application/json");
+        final RawHeader acceptHeader = RawHeader.create("", "application/json");
+
+        appRoute.run(HttpRequest.POST("/users")
+            .addHeader(contentTypeHeader)
+            .addHeader(acceptHeader))
+            .assertStatusCode(400);
+
+    }
+}