CharMappingItem item = new CharMappingItem(1L, inputs, "output");

        assertEquals("a,b,c=>output", item.toLineString());
    }

    @Test
    public void test_toLineString_withUpdates() {
        String[] inputs = { "old1", "old2" };
        CharMappingItem item = new CharMappingItem(1L, inputs, "oldOutput");

        item.setNewInputs(new String[] { "new1", "new2", "new3" });

        String content = "new1\n" + "new2\n" + "new3\n";

        InputStream is = new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
        stopwordsFile.update(is);

        assertEquals(3, stopwordsFile.stopwordsItemList.size());
        assertEquals("new1", stopwordsFile.stopwordsItemList.get(0).getInput());
        assertEquals("new2", stopwordsFile.stopwordsItemList.get(1).getInput());

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        assertNull(user.getName());

        // Test with special characters in name
        user = new TestFessUser("******@****.***", new String[] {}, new String[] {}, new String[] {});
        assertEquals("******@****.***", user.getName());

        // Test with Unicode characters
        user = new TestFessUser("ユーザー名", new String[] {}, new String[] {}, new String[] {});

    /** The path of the HTML: /error/busy.jsp */
    HtmlNext path_Error_BusyJsp = new HtmlNext("/error/busy.jsp");

    /** The path of the HTML: /error/error.jsp */
    HtmlNext path_Error_ErrorJsp = new HtmlNext("/error/error.jsp");

    /** The path of the HTML: /error/notFound.jsp */
    HtmlNext path_Error_NotFoundJsp = new HtmlNext("/error/notFound.jsp");

            throw new UnsupportedOperationException();
        }

        @Override
        public String getScheme() {
            throw new UnsupportedOperationException();
        }

        @Override
        public String getServerName() {
            throw new UnsupportedOperationException();
        }

        @Override
        public int getServerPort() {

    public void test_convertBooleanQuery_withMixedClauses() {
        BooleanQuery.Builder boolQueryBuilder = new BooleanQuery.Builder();
        TermQuery termQuery1 = new TermQuery(new Term("field1", "value1"));
        TermQuery termQuery2 = new TermQuery(new Term("field2", "value2"));
        TermQuery termQuery3 = new TermQuery(new Term("field3", "value3"));

        boolQueryBuilder.add(termQuery1, BooleanClause.Occur.MUST);

    }

    @Test
    public void test_load_virtualHosts() {
        List<RelatedQuery> testData = new ArrayList<>();
        testData.add(createRelatedQuery("term1", new String[] { "query1" }, "host1"));
        testData.add(createRelatedQuery("term1", new String[] { "query2" }, "host2"));
        testData.add(createRelatedQuery("term2", new String[] { "query3" }, ""));
        mockBhv.setTestData(testData);

        List<Map<String, Object>> documentList = new ArrayList<>();
        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Doc1");
        Map<String, Object> doc2 = new HashMap<>();
        doc2.put("title", "Doc2");
        documentList.add(doc1);
        documentList.add(doc2);

        QueryResponseList qrList = new QueryResponseList(documentList, 0, 10, 0);

    }

    @Test
    public void test_equals() {
        // Test equals method
        ProtwordsItem item1 = new ProtwordsItem(1, "word");
        ProtwordsItem item2 = new ProtwordsItem(2, "word");
        ProtwordsItem item3 = new ProtwordsItem(1, "different");
        ProtwordsItem item4 = new ProtwordsItem(1, "word");

        // Same object
        assertTrue(item1.equals(item1));