以下は、私が後にしたことをうまくいく単体テストです。キーは '.data_model'変数でした。
public class TestFreeMarkerTemplating {
Configuration cfg = new Configuration();
StringTemplateLoader stringLoader = new StringTemplateLoader();
{ cfg.setTemplateLoader(stringLoader);
cfg.setObjectWrapper(new BeansWrapper()); }
@Test
public void testTestableMacros() throws TemplateException, IOException{
stringLoader.putTemplate("root", "<#macro user testPojo>Welcome ${testPojo.user}. <@subPojo sub/></#macro><#macro subPojo sub>Sub ${sub.user}!</#macro>");
stringLoader.putTemplate("testPojoTemplate", "<#import \"root\" as w><@w.user .data_model/>");
stringLoader.putTemplate("testSubPojoTemplate", "<#import \"root\" as w><@w.subPojo .data_model/>");
assertTemplateAndBeanYield("root", new TestPojo(), "");
assertTemplateAndBeanYield("testPojoTemplate", new TestPojo(), "Welcome Andy. Sub Bill!");
assertTemplateAndBeanYield("testSubPojoTemplate", new SubPojo(), "Sub Bill!");
}
public void assertTemplateAndBeanYield(String templateName, Object bean, String expectedOutput) throws IOException, TemplateException{
Template temp = cfg.getTemplate(templateName);
StringWriter out = new StringWriter();
temp.process(bean, out);
assertEquals(expectedOutput, out.toString());
}
public static class TestPojo {
private final String user = "Andy";
private final SubPojo sub = new SubPojo();
public String getUser() { return user; }
public SubPojo getSub() { return sub; }
}
public static class SubPojo {
private final String user = "Bill";
public String getUser() { return user; }
}
}