"-" + DocnoMapping.BuilderUtils.MAPPING_OPTION + "=" + mappingFile };
IntegrationUtils.exec(Joiner.on(" ").join(args));
MedlineDocnoMapping mapping = new MedlineDocnoMapping();
mapping.loadMapping(new Path(mappingFile), fs);
assertEquals("45641", mapping.getDocid(1));
assertEquals("45740", mapping.getDocid(100));
assertEquals("7472623", mapping.getDocid(10000));
assertEquals("8739651", mapping.getDocid(1000000));