return cryptedText.startsWith("encrypted:") ? cryptedText.substring("encrypted:".length()) : cryptedText;
            }
        };

        String[] testStrings = { "simple", "with spaces", "special!@#$%^&*()", "unicode_test", "", "very long string " + "x".repeat(100) };

        for (String testStr : testStrings) {
            String encrypted = cipher.encrypt(testStr);

        assertEquals("http://example.com/%D6sterreich", result);
    }

    @Test
    public void test_encodeUrl_fileProtocolWithSpecialChars() {
        // [ ] and % pass through; space would be encoded but %20 stays as-is (% is URL char)
        String result = DocumentUtil.encodeUrl("file:///data/[logs]/file%20name.txt");
        assertEquals("file:///data/[logs]/file%20name.txt", result);
    }

                final WebConfig webConfig = new WebConfig();
                webConfig.setId(id);
                webConfig.setConfigParameter("config.pipeline= "); // Blank space
                return OptionalEntity.of(webConfig);
            }

            @Override
            public OptionalEntity<WebConfig> getWebConfigByName(String name) {
                return OptionalEntity.empty();

        value = "key.with.dots=value\nkey_with_underscores=value with spaces\nkey-with-dashes=value@#$%";
        paramMap = ParameterUtil.parse(value);
        assertEquals(3, paramMap.size());
        assertEquals("value", paramMap.get("key.with.dots"));
        assertEquals("value with spaces", paramMap.get("key_with_underscores"));
        assertEquals("value@#$%", paramMap.get("key-with-dashes"));
    }

    }

    @Test
    public void test_specialCharacters() throws Exception {
        // Test with special characters
        String content = "test1\n" + "日本語\n" + "word with spaces\n" + "\ttab\tword\t\n";

        // Write content to test file
        writeTestFile(content);

        // Reload the file
        protwordsFile.reload(null);

        // Test with null groups
        user = new TestFessUser("testuser", new String[] {}, null, new String[] {});
        assertNull(user.getGroupNames());

        // Test with groups containing spaces
        groups = new String[] { "group one", "group two" };
        user = new TestFessUser("testuser", new String[] {}, groups, new String[] {});
        assertArrayEquals(groups, user.getGroupNames());
    }

    @Test

    public void test_add_whitespaceInName() {
        TestScriptEngine engine = new TestScriptEngine();
        scriptEngineFactory.add("  test  ", engine);

        // Should be stored with lowercase and original spaces
        ScriptEngine retrieved = scriptEngineFactory.getScriptEngine("  test  ");
        assertNotNull(retrieved);
        assertEquals(engine, retrieved);
    }

        assertEquals("test{}|\\", result);

        result = systemHelper.encodeUrlFilter("test^path");
        assertEquals("test^path", result);

        result = systemHelper.encodeUrlFilter("test space");
        assertEquals("test+space", result);
    }

    @Test
    public void test_normalizeLang_caseVariations() {
        assertEquals("ja", systemHelper.normalizeLang("JA"));

    @Test
    public void test_special_characters_in_paths() throws Exception {
        final File tempDir = new File(System.getProperty("java.io.tmpdir"));
        final File outputFile = new File(tempDir, "test file with spaces.out");

        try {
            generator.setCommandList(Collections.singletonList("echo test"));
            generator.generate("test_id", outputFile);

    }

    /**
     * Escapes special characters in a value string for safe logging.
     *
     * @param action the string value to escape
     * @return the escaped string with tabs replaced by spaces
     */
    protected String escapeValue(final String action) {
        return action.replace('\t', ' ');
    }

    /**
     * Outputs a log message using the statistics logger.
     *