assertThat(limiter.getRate()).isEqualTo(5.0);
    limiter.setRate(10.0);
    assertThat(limiter.getRate()).isEqualTo(10.0);

    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(0.0));
    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(-10.0));
    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(Double.NaN));
  }

    assertThat(limiter.getRate()).isEqualTo(5.0);
    limiter.setRate(10.0);
    assertThat(limiter.getRate()).isEqualTo(10.0);

    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(0.0));
    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(-10.0));
    assertThrows(IllegalArgumentException.class, () -> limiter.setRate(Double.NaN));
  }

        }

        @Override
        public Object getData(AccessResultData<?> accessResultData) {
            if (throwInGetData) {
                throw new CrawlerSystemException("GetData exception");
            }

            if (accessResultData == null) {
                return null;
            }
            byte[] data = accessResultData.getData();
            return data != null ? new String(data) : null;

     *
     */
    @Override
    public Object getData(final AccessResultData<?> accessResultData) {
        // check transformer name
        if (!getName().equals(accessResultData.getTransformerName())) {
            throw new CrawlerSystemException(
                    "Transformer is invalid. Use " + accessResultData.getTransformerName() + ". This transformer is " + getName() + ".");
        }

            verify(response, times(1)).getName();
        }

        @Test
        @DisplayName("getName() should handle null return value")
        void testGetNameWithNull() {
            CreateContextResponse response = mock(CreateContextResponse.class);
            when(response.getName()).thenReturn(null);

            byte[] actualName = response.getName();
            assertEquals(null, actualName);
        }

        assertNull(transformer.getName());
    }

    /**
     * Test getName and setName with normal values
     */
    public void test_name_getterSetter() {
        // Initial state
        assertNull(testTransformer.getName());

        // Set name
        testTransformer.setName("testTransformer");
        assertEquals("testTransformer", testTransformer.getName());

        // Change name

     */
    @Override
    public Object getData(final AccessResultData<?> accessResultData) {
        // check transformer name
        if (!getName().equals(accessResultData.getTransformerName())) {
            throw new CrawlerSystemException(
                    "Transformer is invalid. Use " + accessResultData.getTransformerName() + ". This transformer is " + getName() + ".");
        }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.transformer.Transformer#getData(org.codelibs.fess.crawler.entity
     * .AccessResultData)
     */
    @Override
    public Object getData(final AccessResultData<?> accessResultData) {
        // check transformer name
        if (!getName().equals(accessResultData.getTransformerName())) {
            throw new CrawlerSystemException(

            verify(request, times(1)).getName();
        }

        @Test
        @DisplayName("getName() should handle null return value")
        void testGetNameWithNull() {
            CreateContextRequest request = mock(CreateContextRequest.class);
            when(request.getName()).thenReturn(null);

            byte[] actualName = request.getName();
            assertNull(actualName);
        }

        @Test

        final PathInfo pi = convertToItem(id);
        if (StringUtil.isEmpty(pi.getPath()) && StringUtil.isEmpty(pi.getName())) {
            return StringUtil.EMPTY;
        }
        if (StringUtil.isEmpty(pi.getPath())) {
            return pi.getName();
        }
        return pi.getPath() + "/" + pi.getName();
    }

    /**
     * Converts an encoded ID to a PathInfo object containing path and name.