public void applyAddsDescriptionToJavadoc() throws JClassAlreadyExistsException {
JDefinedClass jclass = new JCodeModel()._class(TARGET_CLASS_NAME);
ObjectMapper mapper = new ObjectMapper();
TextNode descriptionNode = mapper.createObjectNode().textNode("some description");
JDocComment result = rule.apply("fooBar", descriptionNode, jclass, null);
assertThat(result, sameInstance(jclass.javadoc()));
assertThat(result.size(), is(1));