reproduce DATAREST-1006

Author: Mathias Düsterhöft

spring-data-rest-webmvc/src/test/java/org/springframework/data/rest/webmvc/json/DomainObjectReaderUnitTests.java

@@ -15,9 +15,15 @@
  */
 package org.springframework.data.rest.webmvc.json;
 
-import static org.hamcrest.Matchers.*;
-import static org.junit.Assert.*;
-import static org.mockito.Mockito.*;
+import static com.fasterxml.jackson.annotation.JsonProperty.Access.READ_ONLY;
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.hamcrest.Matchers.nullValue;
+import static org.hamcrest.Matchers.sameInstance;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.mock;
 
 import lombok.AllArgsConstructor;
 import lombok.EqualsAndHashCode;
@@ -58,6 +64,7 @@
 import com.fasterxml.jackson.annotation.JsonAutoDetect;
 import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy;
@@ -194,6 +201,22 @@ public void doesNotWipeIdAndVersionPropertyForPut() throws Exception {
 		assertThat(result.version, is(1L));
 	}
 
+	@Test //
+	public void doesNotWipeReadOnlyJsonPropertyForPut() throws Exception {
+
+		SampleUser sampleUser = new SampleUser("name", "password");
+		sampleUser.lastLogin = new Date();
+
+		ObjectMapper mapper = new ObjectMapper();
+		ObjectNode node = (ObjectNode) mapper.readTree("{ \"name\" : \"another\" }");
+
+		SampleUser result = reader.readPut(node, sampleUser, mapper);
+
+		assertThat(result.name, is("another"));
+		assertThat(result.password, notNullValue());
+		assertThat(result.lastLogin, notNullValue());
+	}
+
 	@Test // DATAREST-873
 	public void doesNotApplyInputToReadOnlyFields() throws Exception {
 
@@ -510,6 +533,9 @@ static class SampleUser {
 		@JsonIgnore String password;
 		Map<String, SampleUser> relatedUsers;
 
+		@JsonProperty(access = READ_ONLY)
+		private Date lastLogin;
+
 		public SampleUser(String name, String password) {
 
 			this.name = name;