public MongoExtractNode getTestObject() {
        List<FieldInfo> fields = Arrays.asList(
                new FieldInfo("name", new StringFormatInfo()),
                new FieldInfo("age", new IntFormatInfo()));
        return new MongoExtractNode(
                "1", "test", fields, null, null,
                "test", "localhost", "inlong", "password", "test");
    }
Test mongo extract node serialization and deserialization
inlong-sort/sort-common/src/test/java/org/apache/inlong/sort/protocol/node/extract/MongoExtractNodeTest.java