Added ConverterFactory test

spring-boot/src/main/java/org/baeldung/controller/GenericEntityController.java

@@ -1,6 +1,7 @@
 package org.baeldung.controller;
 
 import org.baeldung.domain.GenericEntity;
+import org.baeldung.domain.Modes;
 import org.baeldung.web.resolver.Version;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -45,6 +46,11 @@ public class GenericEntityController {
         return entityList.stream().findFirst().get();
     }
 
+    @RequestMapping("/entity/findbymode/{mode}")
+    public GenericEntity findByEnum(@PathVariable("mode") Modes mode) {
+        return entityList.stream().findFirst().get();
+    }
+
     @RequestMapping("/entity/findbyversion")
     public ResponseEntity findByVersion(@Version String version) {
         return version != null

spring-boot/src/main/java/org/baeldung/domain/Modes.java

@@ -0,0 +1,6 @@
+package org.baeldung.domain;
+
+public enum Modes {
+
+    Alpha, Beta;
+}

spring-boot/src/test/java/org/baeldung/SpringBootApplicationIntegrationTest.java

@@ -50,6 +50,16 @@ public class SpringBootApplicationIntegrationTest {
             .andExpect(jsonPath("$.id", equalTo(1)));
     }
 
+    @Test
+    public void givenRequestHasBeenMade_whenMeetsFindByModeOfGivenConditions_thenCorrect() throws Exception {
+        MediaType contentType = new MediaType(MediaType.APPLICATION_JSON.getType(), MediaType.APPLICATION_JSON.getSubtype(), Charset.forName("utf8"));
+
+        mockMvc.perform(MockMvcRequestBuilders.get("/entity/findbymode/{mode}", "Alpha"))
+            .andExpect(MockMvcResultMatchers.status().isOk())
+            .andExpect(MockMvcResultMatchers.content().contentType(contentType))
+            .andExpect(jsonPath("$.id", equalTo(1)));
+    }
+
     @Test
     public void givenRequestHasBeenMade_whenMeetsFindByVersionOfGivenConditions_thenCorrect() throws Exception {
         MediaType contentType = new MediaType(MediaType.APPLICATION_JSON.getType(), MediaType.APPLICATION_JSON.getSubtype(), Charset.forName("utf8"));