@Test public void testToFromJson() throws Exception { options.getOptionsId(); Struct originalStruct = PipelineOptionsTranslation.toProto(options); String json = PipelineOptionsTranslation.toJson(options); String legacyJson = MAPPER.writeValueAsString(options); assertThat( PipelineOptionsTranslation.toProto(PipelineOptionsTranslation.fromJson(json)) .getFieldsMap(), equalTo(originalStruct.getFieldsMap())); assertThat( PipelineOptionsTranslation.toProto(PipelineOptionsTranslation.fromJson(legacyJson)) .getFieldsMap(), equalTo(originalStruct.getFieldsMap())); } }