public void test_evaluate_withEmptyTemplate() {
        String template = "";
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("key", "value");

        Object result = scriptEngine.evaluate(template, paramMap);
        assertEquals("", result);
    }

    // Test evaluate method with null template
    public void test_evaluate_withNullTemplate() {

  }

  private void assertWithTemplate(String template, Item<T> item, Item<T> other, boolean condition) {
    if (!condition) {
      throw new AssertionFailedError(
          template
              .replace("$RELATIONSHIP", relationshipName)
              .replace("$HASH", hashName)
              .replace("$ITEM", itemReporter.reportItem(item))
              .replace("$OTHER", itemReporter.reportItem(other)));
    }
  }

            if (value == null) {
                return u;
            }
            return value.toString();
        };
    }

    /**
     * Replaces URL using the given path mapping list.
     *
     * @param pathMappingList the path mapping list
     * @param url the URL to replace
     * @return the replaced URL
     */

  }

  private void assertWithTemplate(String template, Item<T> item, Item<T> other, boolean condition) {
    if (!condition) {
      throw new AssertionFailedError(
          template
              .replace("$RELATIONSHIP", relationshipName)
              .replace("$HASH", hashName)
              .replace("$ITEM", itemReporter.reportItem(item))
              .replace("$OTHER", itemReporter.reportItem(other)));
    }
  }

        return getPath("WEB-INF/", "orig", names);
    }

    /**
     * Gets the path to email template files directory.
     *
     * @param names the path components to append to the mail template directory
     * @return the Path object pointing to the mail template directory
     */
    public static Path getMailTemplatePath(final String... names) {
        return getPath("WEB-INF/", "mail", names);

            this.prefix = prefix + ":";
        }

        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            this.lastScript = template;
            this.lastParams = paramMap;
            return prefix + "processed: " + template;
        }

        public String getLastScript() {
            return lastScript;
        }

    /**
     * Convert the value.
     * @param scriptType The script type.
     * @param template The template.
     * @param paramMap The parameters.
     * @return The converted value.
     */
    protected Object convertValue(final String scriptType, final String template, final Map<String, Object> paramMap) {
        if (StringUtil.isEmpty(template)) {
            return StringUtil.EMPTY;
        }

     * Puts data into the result data map after processing it through a template script.
     * The template is evaluated using the specified script engine with the value and context.
     *
     * @param dataMap the data map to modify
     * @param key the key to store the processed value under
     * @param value the original value to process
     * @param template the template script to evaluate

  }

  // TODO: Consolidate different copies in one single place.
  static String format(String template, Object... args) {
    // start substituting the arguments into the '%s' placeholders
    StringBuilder builder = new StringBuilder(template.length() + 16 * args.length);
    int templateStart = 0;
    int i = 0;
    while (i < args.length) {
      int placeholderStart = template.indexOf("%s", templateStart);
      if (placeholderStart == -1) {

        public Object evaluate(String template, Map<String, Object> paramMap) {
            return "TestEngine[" + identifier + "]: " + template;
        }
    }

    private static class CustomScriptEngine implements ScriptEngine {
        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            return "CustomEngine: " + template;
        }
    }