Json property affects Record field serialization order (#3929)

Author: pjfanning

src/main/java/com/fasterxml/jackson/databind/introspect/POJOPropertiesCollector.java

@@ -437,17 +437,18 @@ protected void collectAll()
         LinkedHashMap<String, POJOPropertyBuilder> props = new LinkedHashMap<String, POJOPropertyBuilder>();
 
         // First: gather basic data
-
+        final boolean isRecord = isRecordType();
         // 15-Jan-2023, tatu: [databind#3736] Let's avoid detecting fields of Records
         //   altogether (unless we find a good reason to detect them)
         // 17-Apr-2023: Need Records' fields for serialization for cases like [databind#3895] & [databind#3628]
-        if (!isRecordType() || _forSerialization) {
+        if (!isRecord || _forSerialization) {
             _addFields(props); // note: populates _fieldRenameMappings
         }
         _addMethods(props);
         // 25-Jan-2016, tatu: Avoid introspecting (constructor-)creators for non-static
         //    inner classes, see [databind#1502]
-        if (!_classDef.isNonStaticInnerClass()) {
+        // 13-May-2023, PJ: Need to avoid adding creators for Records when serializing [databind#3925]
+        if (!_classDef.isNonStaticInnerClass() && !(_forSerialization && isRecord)) {
             _addCreators(props);
         }
 

src/test-jdk14/java/com/fasterxml/jackson/databind/records/RecordSerializationOrderTest.java

@@ -0,0 +1,66 @@
+package com.fasterxml.jackson.databind.records;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import com.fasterxml.jackson.databind.BaseMapTest;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class RecordSerializationOrderTest extends BaseMapTest
+{
+    record NestedRecordOne(String id, String email, NestedRecordTwo nestedRecordTwo) {}
+    record NestedRecordOneWithJsonProperty(String id, String email,
+                                           @JsonProperty("nestedProperty") NestedRecordTwo nestedRecordTwo) {}
+    record NestedRecordOneWithJsonPropertyIndex(@JsonProperty(index = 2) String id,
+                                                @JsonProperty(index = 0) String email,
+                                                @JsonProperty(value = "nestedProperty", index = 1) NestedRecordTwo nestedRecordTwo) {}
+
+    @JsonPropertyOrder({"email", "nestedProperty", "id"})
+    record NestedRecordOneWithJsonPropertyOrder(String id,
+                                                String email,
+                                                @JsonProperty(value = "nestedProperty") NestedRecordTwo nestedRecordTwo) {}
+
+    record NestedRecordTwo(String id, String passport) {}
+
+    private final ObjectMapper MAPPER = newJsonMapper();
+
+    /*
+    /**********************************************************************
+    /* Test methods, alternate constructors
+    /**********************************************************************
+     */
+
+    public void testSerializationOrder() throws Exception {
+        NestedRecordTwo nestedRecordTwo = new NestedRecordTwo("2", "111110");
+        NestedRecordOne nestedRecordOne = new NestedRecordOne("1", "[email protected]", nestedRecordTwo);
+        final String output = MAPPER.writeValueAsString(nestedRecordOne);
+        final String expected = "{\"id\":\"1\",\"email\":\"[email protected]\",\"nestedRecordTwo\":{\"id\":\"2\",\"passport\":\"111110\"}}";
+        assertEquals(expected, output);
+    }
+
+    public void testSerializationOrderWithJsonProperty() throws Exception {
+        NestedRecordTwo nestedRecordTwo = new NestedRecordTwo("2", "111110");
+        NestedRecordOneWithJsonProperty nestedRecordOne =
+                new NestedRecordOneWithJsonProperty("1", "[email protected]", nestedRecordTwo);
+        final String output = MAPPER.writeValueAsString(nestedRecordOne);
+        final String expected = "{\"id\":\"1\",\"email\":\"[email protected]\",\"nestedProperty\":{\"id\":\"2\",\"passport\":\"111110\"}}";
+        assertEquals(expected, output);
+    }
+
+    public void testSerializationOrderWithJsonPropertyIndexes() throws Exception {
+        NestedRecordTwo nestedRecordTwo = new NestedRecordTwo("2", "111110");
+        NestedRecordOneWithJsonPropertyIndex nestedRecordOne =
+                new NestedRecordOneWithJsonPropertyIndex("1", "[email protected]", nestedRecordTwo);
+        final String output = MAPPER.writeValueAsString(nestedRecordOne);
+        final String expected = "{\"email\":\"[email protected]\",\"nestedProperty\":{\"id\":\"2\",\"passport\":\"111110\"},\"id\":\"1\"}";
+        assertEquals(expected, output);
+    }
+
+    public void testSerializationOrderWithJsonPropertyOrder() throws Exception {
+        NestedRecordTwo nestedRecordTwo = new NestedRecordTwo("2", "111110");
+        NestedRecordOneWithJsonPropertyOrder nestedRecordOne =
+                new NestedRecordOneWithJsonPropertyOrder("1", "[email protected]", nestedRecordTwo);
+        final String output = MAPPER.writeValueAsString(nestedRecordOne);
+        final String expected = "{\"email\":\"[email protected]\",\"nestedProperty\":{\"id\":\"2\",\"passport\":\"111110\"},\"id\":\"1\"}";
+        assertEquals(expected, output);
+    }
+}