DATAREST-953 - Added test case to verify this is fixed.

Seems the change for DATAREST-938 has also fixed this one. Added a test case similar to what was provided in the example for the original ticket.

Author: odrotbohm

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

@@ -81,6 +81,7 @@ public void setUp() {
 mappingContext.getPersistentEntity(User.class);
 mappingContext.getPersistentEntity(Inner.class);
 mappingContext.getPersistentEntity(Outer.class);
+mappingContext.getPersistentEntity(Parent.class);
 mappingContext.afterPropertiesSet();
 
 PersistentEntities entities = new PersistentEntities(Collections.singleton(mappingContext));
@@ -352,6 +353,26 @@ public void considersTransientProperties() throws Exception {
 assertThat(result.temporary, is("new temp"));
 }
 
+/**
+ * @see DATAREST-953
+ */
+@Test
+public void writesArrayForPut() throws Exception {
+
+Child inner = new Child();
+inner.items = new ArrayList<Item>();
+inner.items.add(new Item());
+
+Parent source = new Parent();
+source.inner = inner;
+
+JsonNode node = new ObjectMapper().readTree("{ \"inner\" : { \"items\" : [ { \"some\" : \"value\" } ] } }");
+
+Parent result = reader.readPut((ObjectNode) node, source, new ObjectMapper());
+
+assertThat(result.inner.items.get(0).some, is("value"));
+}
+
 @JsonAutoDetect(fieldVisibility = Visibility.ANY)
 static class TypeWithGenericMap {
 
@@ -407,4 +428,19 @@ static class Inner {
 String name;
 String prop;
 }
+
+@JsonAutoDetect(fieldVisibility = Visibility.ANY)
+static class Parent {
+Child inner;
+}
+
+@JsonAutoDetect(fieldVisibility = Visibility.ANY)
+static class Child {
+List<Item> items;
+}
+
+@JsonAutoDetect(fieldVisibility = Visibility.ANY)
+static class Item {
+String some;
+}
 }