### Question:
RendererManager { public static String generateBody(Properties properties, String template, String language, String brand) { String body = null; try { String name, value; VelocityContext c = new VelocityContext(); Enumeration e = properties.propertyNames(); while (e.hasMoreElements()) { name = (String) e.nextElement(); value = properties.getProperty(name); c.put(name, value); } body = VelocityManager.getInstance().merge(template, c, language, brand); debug.info("Body renderer:" + body); } catch (Exception e) { e.printStackTrace(); } return body; }  static String generateBody(Properties properties, String template, String language,
        String brand);  }### Answer:
@Test public final void testGenerateBody() { Properties properties = new Properties(); properties.setProperty("username", "testusername"); properties.setProperty("password", "testpassword"); properties.setProperty("name", "testname"); properties.setProperty("lastname", "testlastname"); properties.setProperty("lang", "en"); String body = RendererManager.generateBody(properties, "test", "en", "default"); assertTrue((body.indexOf("testlastname") > 0) && (body.indexOf("testname") > 0) && (body.indexOf("Hello World!") > 0) && (body.indexOf("en") > 0) && (body.indexOf("testusername") > 0) && (body.indexOf("testpassword") > 0)); }