[fix][test] Made ProtobufNativeSchemaTest.testSchema order-independent

Author: LucasEby2

pulsar-client/src/test/java/org/apache/pulsar/client/impl/schema/ProtobufNativeSchemaTest.java

@@ -20,14 +20,23 @@
 
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertNotNull;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.protobuf.DescriptorProtos;
 import com.google.protobuf.Descriptors;
+import com.google.protobuf.util.JsonFormat;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufAllocator;
 import java.nio.charset.StandardCharsets;
+import java.util.Base64;
 import java.util.Collections;
 import java.util.HashMap;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.pulsar.common.schema.SchemaType;
+import org.json.JSONObject;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.skyscreamer.jsonassert.JSONCompareMode;
 import org.testng.Assert;
 import org.testng.annotations.Test;
 
@@ -46,6 +55,17 @@ public class ProtobufNativeSchemaTest {
             + "gBQjUKJW9yZy5hcGFjaGUucHVsc2FyLmNsaWVudC5zY2hlbWEucHJvdG9CDEV4dGVybmFsVGVzdGIGcHJvdG8z\",\"rootMessageT"
             + "ypeName\":\"proto.TestMessage\",\"rootFileDescriptorName\":\"Test.proto\"}";
 
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+
+    private static String fdsToJson(String b64) throws Exception {
+        DescriptorProtos.FileDescriptorSet fds =
+            DescriptorProtos.FileDescriptorSet.parseFrom(Base64.getDecoder().decode(b64));
+        return JsonFormat.printer()
+            .includingDefaultValueFields()
+            .omittingInsignificantWhitespace()
+            .print(fds);
+    }
+
     @Test
     public void testEncodeAndDecode() {
         final String stringFieldValue = "StringFieldValue";
@@ -61,15 +81,38 @@ public void testEncodeAndDecode() {
     }
 
     @Test
-    public void testSchema() {
+    public void testSchema() throws Exception {
         ProtobufNativeSchema<org.apache.pulsar.client.schema.proto.Test.TestMessage> protobufSchema =
                 ProtobufNativeSchema.of(org.apache.pulsar.client.schema.proto.Test.TestMessage.class);
 
         assertEquals(protobufSchema.getSchemaInfo().getType(), SchemaType.PROTOBUF_NATIVE);
 
         assertNotNull(ProtobufNativeSchemaUtils.deserialize(protobufSchema.getSchemaInfo().getSchema()));
-        assertEquals(new String(protobufSchema.getSchemaInfo().getSchema(),
-                StandardCharsets.UTF_8), EXPECTED_SCHEMA_JSON);
+        
+        String actualJson   = new String(protobufSchema.getSchemaInfo().getSchema(), StandardCharsets.UTF_8);
+        String expectedJson = EXPECTED_SCHEMA_JSON;
+
+        JsonNode actualRoot   = MAPPER.readTree(actualJson);
+        JsonNode expectedRoot = MAPPER.readTree(expectedJson);
+
+        String fdSetField = "fileDescriptorSet";
+        String actualFdsJson   = fdsToJson(actualRoot.path(fdSetField).asText());
+        String expectedFdsJson = fdsToJson(expectedRoot.path(fdSetField).asText());
+
+        JSONAssert.assertEquals(
+            new JSONObject(expectedFdsJson),
+            new JSONObject(actualFdsJson),
+            JSONCompareMode.NON_EXTENSIBLE
+        );
+
+        ((ObjectNode) actualRoot).remove(fdSetField);
+        ((ObjectNode) expectedRoot).remove(fdSetField);
+
+        JSONAssert.assertEquals(
+            MAPPER.writeValueAsString(expectedRoot),
+            MAPPER.writeValueAsString(actualRoot),
+            JSONCompareMode.NON_EXTENSIBLE
+        );
     }
 
     @Test