KON-199 Required Args, Unit Tests
diff --git a/src/main/java/org/eclipse/openk/contactbasedata/viewmodel/AddressDto.java b/src/main/java/org/eclipse/openk/contactbasedata/viewmodel/AddressDto.java
index eaa7d4d..7d4aa3d 100644
--- a/src/main/java/org/eclipse/openk/contactbasedata/viewmodel/AddressDto.java
+++ b/src/main/java/org/eclipse/openk/contactbasedata/viewmodel/AddressDto.java
@@ -18,7 +18,7 @@
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 
-import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
 import java.io.Serializable;
 import java.util.UUID;
 
@@ -45,10 +45,10 @@
 
     //fromAddressType
     @JsonProperty("addressTypeId")
+    @ApiModelProperty(required = true)
+    @NotNull(message = "Field 'adressTypeUuid' is mandatory")
     private UUID addressTypeUuid;
 
-    @ApiModelProperty(required = true)
-    @NotBlank(message = "Field 'adressTypeType' is mandatory")
     private String addressTypeType;
     private String addressTypeDescription;
 }
diff --git a/src/main/java/org/eclipse/openk/contactbasedata/viewmodel/CommunicationDto.java b/src/main/java/org/eclipse/openk/contactbasedata/viewmodel/CommunicationDto.java
index bc88b77..aa9094f 100644
--- a/src/main/java/org/eclipse/openk/contactbasedata/viewmodel/CommunicationDto.java
+++ b/src/main/java/org/eclipse/openk/contactbasedata/viewmodel/CommunicationDto.java
@@ -18,7 +18,7 @@
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 
-import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
 import java.io.Serializable;
 import java.util.UUID;
 
@@ -34,10 +34,10 @@
 
     //fromCommunicationType
     @JsonProperty("communicationTypeId")
+    @ApiModelProperty(required = true)
+    @NotNull(message = "Field 'communicationTypeUuid' is mandatory")
     private UUID communicationTypeUuid;
 
-    @ApiModelProperty(required = true)
-    @NotBlank(message = "Field 'communicationTypeType' is mandatory")
     private String communicationTypeType;
 
     private String communicationTypeDescription;
diff --git a/src/test/java/org/eclipse/openk/contactbasedata/controller/AddressControllerTest.java b/src/test/java/org/eclipse/openk/contactbasedata/controller/AddressControllerTest.java
index 9fc13da..93936f8 100644
--- a/src/test/java/org/eclipse/openk/contactbasedata/controller/AddressControllerTest.java
+++ b/src/test/java/org/eclipse/openk/contactbasedata/controller/AddressControllerTest.java
@@ -28,8 +28,10 @@
 import org.springframework.http.MediaType;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.web.servlet.MockMvc;
+
 import java.util.List;
 import java.util.UUID;
+
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
@@ -128,6 +130,19 @@
     }
 
     @Test
+    public void shouldNotUpdateAddressDueToInvalidArgs() throws Exception {
+
+        AddressDto addressDto = MockDataHelper.mockAddressDto();
+        addressDto.setAddressTypeUuid(null);
+        when( addressService.updateAddress(any(UUID.class), any(AddressDto.class))).thenReturn(addressDto);
+
+        mockMvc.perform(put("/contacts/{contactUuid}/addresses/{addressUuid}", addressDto.getContactUuid(), addressDto.getUuid())
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(new ObjectMapper().writeValueAsString(addressDto)))
+                .andExpect(status().is4xxClientError());
+    }
+
+    @Test
     public void shouldNotUpdateAddress() throws Exception {
 
         AddressDto addressDto = MockDataHelper.mockAddressDto();
diff --git a/src/test/java/org/eclipse/openk/contactbasedata/controller/CommunicationControllerTest.java b/src/test/java/org/eclipse/openk/contactbasedata/controller/CommunicationControllerTest.java
index 4672dbd..9e91048 100644
--- a/src/test/java/org/eclipse/openk/contactbasedata/controller/CommunicationControllerTest.java
+++ b/src/test/java/org/eclipse/openk/contactbasedata/controller/CommunicationControllerTest.java
@@ -28,8 +28,10 @@
 import org.springframework.http.MediaType;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.web.servlet.MockMvc;
+
 import java.util.List;
 import java.util.UUID;
+
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
@@ -118,6 +120,20 @@
                 .andExpect(status().isBadRequest());
     }
 
+
+    @Test
+    public void shouldNotUpdateCommunicationBecauseOfInvalidArgs() throws Exception {
+
+        CommunicationDto communicationDto = MockDataHelper.mockCommunicationDto();
+        communicationDto.setCommunicationTypeUuid(null);
+        communicationDto.setCommunicationTypeType(null);
+        when( communicationService.updateCommunication(any(UUID.class), any(CommunicationDto.class))).thenReturn(communicationDto);
+
+        mockMvc.perform(put("/contacts/{contactUuid}/communications/{communicationUuid}", communicationDto.getContactUuid(), UUID.randomUUID().toString())
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(new ObjectMapper().writeValueAsString(communicationDto)))
+                .andExpect(status().isBadRequest());
+    }
     @Test
     public void shouldDeleteCommunication() throws Exception {
         mockMvc.perform(delete("/contacts/{contactUuid}/communications/{communicationUuid}", UUID.randomUUID(), UUID.randomUUID())
diff --git a/src/test/java/org/eclipse/openk/contactbasedata/support/MockDataHelper.java b/src/test/java/org/eclipse/openk/contactbasedata/support/MockDataHelper.java
index cb64457..e6b52cd 100644
--- a/src/test/java/org/eclipse/openk/contactbasedata/support/MockDataHelper.java
+++ b/src/test/java/org/eclipse/openk/contactbasedata/support/MockDataHelper.java
@@ -238,7 +238,7 @@
         addressDto.setLongitude("2E");
         addressDto.setNote("-");
         addressDto.setPostcode("67890");
-        addressDto.setAddressTypeUuid(UUID.randomUUID());
+        addressDto.setAddressTypeUuid(mockRefAddressType().getUuid());
         addressDto.setStreet("Moosrosenweg");
         addressDto.setContactUuid(UUID.randomUUID());
         addressDto.setUrlMap("-");