private Mapper parse(DocumentMapper mapper, DocumentMapperParser parser, XContentBuilder builder) throws Exception { Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT).build(); ParseContext.InternalParseContext ctx = new ParseContext.InternalParseContext(settings, parser, mapper, new ContentPath(0)); SourceToParse source = SourceToParse.source(builder.bytes()); ctx.reset(XContentHelper.createParser(source.source()), new ParseContext.Document(), source); assertEquals(XContentParser.Token.START_OBJECT, ctx.parser().nextToken()); ctx.parser().nextToken(); DocumentParser.parseObjectOrNested(ctx, mapper.root(), true); Mapping mapping = DocumentParser.createDynamicUpdate(mapper.mapping(), mapper, ctx.getDynamicMappers()); return mapping == null ? null : mapping.root(); }