assertEquals(UserAgentType.OPERA, userAgentHelper.getUserAgentType());
    }

    public void test_getUserAgentType_OTHER() {
        getMockRequest().addHeader("user-agent", "Dummy");
        assertEquals(UserAgentType.OTHER, userAgentHelper.getUserAgentType());
    }

    public void test_getUserAgentType_nullUserAgent() {
        getMockRequest().addHeader("user-agent", null);

    /**
     * @throws Exception
     */
    @Test
    public void testRemove() throws Exception {
        assertThat(map.remove("ONE"), is("1"));
        assertThat(map.size(), is(1));
        assertThat(map.remove("dummy"), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testPutAll() throws Exception {
        final Map<String, String> m = new HashMap<String, String>();

    throwFirst(nullErrors);
  }

  /**
   * Instantiates {@code cls} by invoking one of its non-private constructors or non-private static
   * factory methods with the parameters automatically provided using dummy values.
   *
   * @return The instantiated instance, or {@code null} if the class has no non-private constructor
   *     or factory method to be constructed.
   */
  <T> @Nullable T instantiate(Class<T> cls)

     * This method provides a dummy implementation as Fess does not use DBFlute extensively.
     *
     * @return a new access context arranger
     */
    @Override
    protected AccessContextArranger newAccessContextArranger() { // for framework
        // fess does not use DBFlute, and this is unneeded so dummy
        return resource -> {

            // Simulate thumbnail generation
            try {
                if (!outputFile.exists()) {
                    outputFile.createNewFile();
                }
                // Write some dummy content to simulate actual thumbnail
                Files.write(outputFile.toPath(), ("thumbnail-" + thumbnailId).getBytes());
                return true;
            } catch (IOException e) {
                return false;

            this.lastQuery = query;
            this.lastParams = params;
            this.lastUserBean = userBean;

            // Return a dummy SearchResult
            List<Map<String, Object>> documentList = new ArrayList<>();
            Map<String, Object> doc = new HashMap<>();
            doc.put("title", "Test Document");
            documentList.add(doc);

    private static final long serialVersionUID = 1L;

    /**
     * The internal LRU hash map used to store elements.
     */
    private final LruHashMap<E, Object> map;

    // Dummy value to associate with an Object in the backing Map
    private static final Object PRESENT = new Object();

    /**
     * Creates a new {@link LruHashSet} with the specified limit size.
     *
     * @param limitSize

        throw Throwables.propagate(e.getCause());
      }
      assertEquals("Failed to forward to " + method, 1, called.get());
    }

    @Override
    public String toString() {
      return "dummy " + interfaceType.getSimpleName();
    }
  }

    public void tearDown() throws Exception {
        file1.delete();
    }
    */

    @Override
    public void setUp() throws Exception {
        super.setUp();
        synonymFile = new SynonymFile("1", "dummy", new Date());
        List<SynonymItem> itemList = new ArrayList<>();
        itemList.add(new SynonymItem(1, new String[] { "a1" }, new String[] { "A1" }));

    protected void tearDown() throws Exception {
        file1.delete();
    }
    */

    @Override
    public void setUp() throws Exception {
        super.setUp();
        kuromojiFile = new KuromojiFile("1", "dummy", new Date());
        List<KuromojiItem> itemList = new ArrayList<>();
        itemList.add(new KuromojiItem(1, "token1", "seg1", "reading1", "pos1"));
        itemList.add(new KuromojiItem(2, "token2", "seg2", "reading2", "pos2"));