@Test
public void checkSignatureSampleTextGzipFile() throws Exception {

    File gzipFile = new File(TXT_GZIP_SAMPLE_FILE);
    GzipModule gzm = new GzipModule();
    RepInfo info = new RepInfo(gzipFile.getAbsolutePath());
    gzm.checkSignatures(null, new FileInputStream(gzipFile), info);
    
    assertEquals(RepInfo.TRUE, info.getWellFormed());
    assertEquals(GzipModule.class, info.getModule().getClass());
    assertEquals(Arrays.asList(gzm.getName()), info.getSigMatch());
}