@Test
public void testDetect() {

    assertDetect(MediaType.TEXT_PLAIN, "text.txt");
    assertDetect(MediaType.TEXT_PLAIN, "text.txt ");    // trailing space
    assertDetect(MediaType.TEXT_PLAIN, "text.txt\n");   // trailing newline
    assertDetect(MediaType.TEXT_PLAIN, "text.txt?a=b"); // URL query
    assertDetect(MediaType.TEXT_PLAIN, "text.txt#abc"); // URL fragment
    assertDetect(MediaType.TEXT_PLAIN, "text%2Etxt");   // URL encoded
    assertDetect(MediaType.TEXT_PLAIN, "text.TXT");     // case insensitive
    assertDetect(MediaType.OCTET_STREAM, "text.txt.gz");
    assertDetect(MediaType.TEXT_PLAIN, "README");
    assertDetect(MediaType.TEXT_PLAIN, " README ");     // space around
    assertDetect(MediaType.TEXT_PLAIN, "\tREADME\n");   // other whitespace
    assertDetect(MediaType.TEXT_PLAIN, "/a/README");    // leading path
    assertDetect(MediaType.TEXT_PLAIN, "\\b\\README");  // windows path
    assertDetect(MediaType.OCTET_STREAM, "ReadMe");     // case sensitive
    assertDetect(MediaType.OCTET_STREAM, "README.NOW");
    // TIKA-1928 # in the filename
    assertDetect(MediaType.TEXT_PLAIN, "text.txt");
    assertDetect(MediaType.TEXT_PLAIN, "text#.txt");   // # before extension
    assertDetect(MediaType.TEXT_PLAIN, "text#123.txt");// # before extension
    assertDetect(MediaType.TEXT_PLAIN, "text.txt#pdf");// # after extension
    // Check # as URL fragment too
    assertDetect(MediaType.TEXT_PLAIN, "http://foo/test.txt?1=2#pdf");
    assertDetect(MediaType.TEXT_PLAIN, "http://foo/test.txt#pdf");
    // tough one
    assertDetect(
            MediaType.TEXT_PLAIN,
            " See http://www.example.com:1234/README.txt?a=b#c \n");
    assertDetect(MediaType.TEXT_PLAIN, "See README.txt"); // even this!
    assertDetect(MediaType.OCTET_STREAM, "See README");   // but not this
    assertDetect(MediaType.application("envi.hdr"), "ang20150420t182050_corr_v1e_img.hdr");
    // test also the zero input cases
    assertDetect(MediaType.OCTET_STREAM, "");
    assertDetect(MediaType.OCTET_STREAM, null);
    try {
        assertEquals(
                MediaType.OCTET_STREAM,
                detector.detect(null, new Metadata()));
    } catch (IOException e) {
        fail("NameDetector should never throw an IOException");
    }
}