// Test that field set configuration is properly handled
        Set<String> fieldSet = new HashSet<>();
        fieldSet.add("cluster_name");
        fieldSet.add("status");

        FessConfig mockConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Set<String> getApiPingEsFieldSet() {
                return fieldSet;
            }

  public void testMarkAndReset() throws IOException {
    String string = "abcdefghijklmnopqrstuvwxyz";
    CharSequenceReader reader = new CharSequenceReader(string);
    assertTrue(reader.markSupported());

    assertThat(readFully(reader)).isEqualTo(string);
    assertFullyRead(reader);

    // reset and read again
    reader.reset();
    assertThat(readFully(reader)).isEqualTo(string);
    assertFullyRead(reader);

      Future<String> f = testExecutor.submit(doNothing(), RESULT_VALUE);
      mock.assertLastMethodCalled("submit");
      assertThat(f.get()).isEqualTo(RESULT_VALUE);
    }
    {
      MockExecutor mock = new MockExecutor();
      TestExecutor testExecutor = new TestExecutor(mock);
      Callable<String> task = Callables.returning(RESULT_VALUE);
      Future<String> f = testExecutor.submit(task);

    Comparator<String> comparator = Ordering.natural();
    Comparator<Iterable<String>> lexy = Comparators.lexicographical(comparator);

    ImmutableList<String> empty = ImmutableList.of();
    ImmutableList<String> a = ImmutableList.of("a");
    ImmutableList<String> aa = ImmutableList.of("a", "a");
    ImmutableList<String> ab = ImmutableList.of("a", "b");
    ImmutableList<String> b = ImmutableList.of("b");

  public void testSimple() throws Exception {
    String testString = "abcdefgh";
    CharSource source = newCharSource(testString);
    Reader joinedReader = CharSource.concat(source, source).openStream();

    String expectedString = testString + testString;
    assertThat(CharStreams.toString(joinedReader)).isEqualTo(expectedString);
  }

  private static CharSource newCharSource(String text) {
    return new CharSource() {
      @Override

    for (char c : IGNORED.toCharArray()) {
      String str = String.valueOf(c);
      assertEquals(str, c, Ascii.toLowerCase(c));
      assertEquals(str, c, Ascii.toUpperCase(c));
      assertFalse(str, Ascii.isLowerCase(c));
      assertFalse(str, Ascii.isUpperCase(c));
    }
  }

  public void testCharsLower() {
    for (char c : LOWER.toCharArray()) {
      String str = String.valueOf(c);

    UnicodeEscaper spaceEscaper = new PercentEscaper(" ", false);

    assertThat(basicEscaper.escape("string with spaces")).isEqualTo("string%20with%20spaces");
    assertThat(plusForSpaceEscaper.escape("string with spaces")).isEqualTo("string+with+spaces");
    assertThat(spaceEscaper.escape("string with spaces")).isEqualTo("string with spaces");
  }

  /** Tests that if we add extra 'safe' characters they remain unescaped */

    for (char c : IGNORED.toCharArray()) {
      String str = String.valueOf(c);
      assertEquals(str, c, Ascii.toLowerCase(c));
      assertEquals(str, c, Ascii.toUpperCase(c));
      assertFalse(str, Ascii.isLowerCase(c));
      assertFalse(str, Ascii.isUpperCase(c));
    }
  }

  public void testCharsLower() {
    for (char c : LOWER.toCharArray()) {
      String str = String.valueOf(c);

    }

    @Override
    public String asTableDbName() {
        return "user_info";
    }

    // ===================================================================================
    //                                                                              Source
    //                                                                              ======
    @Override
    public Map<String, Object> toSource() {

     * @param pattern
     *            The pattern string
     * @return The converted {@literal byte}
     */
    public static byte toPrimitiveByte(final Object o, final String pattern) {
        if (o == null) {
            return 0;
        } else if (o instanceof Number) {
            return ((Number) o).byteValue();
        } else if (o instanceof String) {
            return toPrimitiveByte((String) o);