/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.web.servlet.tags.form;
import java.beans.PropertyEditor;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.tagext.Tag;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.springframework.beans.TestBean;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockPageContext;
import org.springframework.validation.BeanPropertyBindingResult;
import org.springframework.validation.BindingResult;
import org.springframework.validation.Errors;
import org.springframework.web.servlet.support.BindStatus;
import org.springframework.web.servlet.support.RequestContext;
import org.springframework.web.servlet.tags.RequestContextAwareTag;
/**
* @author Rob Harrop
* @author Juergen Hoeller
*/
public class OptionsTagTests extends AbstractHtmlElementTagTests {
private static final String COMMAND_NAME = "testBean";
private OptionsTag tag;
protected void onSetUp() {
this.tag = new OptionsTag() {
protected TagWriter createTagWriter() {
return new TagWriter(getWriter());
}
};
this.tag.setParent(new SelectTag());
this.tag.setPageContext(getPageContext());
}
public void testWithCollection() throws Exception {
getPageContext().setAttribute(
SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.country", false));
this.tag.setItems("${countries}");
this.tag.setItemValue("isoCode");
this.tag.setItemLabel("name");
this.tag.setId("myOption");
this.tag.setCssClass("myClass");
this.tag.setOnclick("CLICK");
int result = this.tag.doStartTag();
assertEquals(Tag.SKIP_BODY, result);
String output = getOutput();
output = "<doc>" + output + "</doc>";
SAXReader reader = new SAXReader();
Document document = reader.read(new StringReader(output));
Element rootElement = document.getRootElement();
List children = rootElement.elements();
assertEquals("Incorrect number of children", 4, children.size());
Element element = (Element) rootElement.selectSingleNode("option[@value = 'UK']");
assertEquals("UK node not selected", "selected", element.attribute("selected").getValue());
assertEquals("myOption3", element.attribute("id").getValue());
assertEquals("myClass", element.attribute("class").getValue());
assertEquals("CLICK", element.attribute("onclick").getValue());
}
public void testWithCollectionAndCustomEditor() throws Exception {
PropertyEditor propertyEditor = new SimpleFloatEditor();
TestBean target = new TestBean();
target.setMyFloat(new Float("12.34"));
BeanPropertyBindingResult errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
errors.getPropertyAccessor().registerCustomEditor(Float.class, propertyEditor);
exposeBindingResult(errors);
getPageContext().setAttribute(
SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.myFloat", false));
this.tag.setItems("${floats}");
int result = this.tag.doStartTag();
assertEquals(Tag.SKIP_BODY, result);
String output = getOutput();
output = "<doc>" + output + "</doc>";
SAXReader reader = new SAXReader();
Document document = reader.read(new StringReader(output));
Element rootElement = document.getRootElement();
List children = rootElement.elements();
assertEquals("Incorrect number of children", 6, children.size());
Element element = (Element) rootElement.selectSingleNode("option[text() = '12.34f']");
assertNotNull("Option node should not be null", element);
assertEquals("12.34 node not selected", "selected", element.attribute("selected").getValue());
assertNull("No id rendered", element.attribute("id"));
element = (Element) rootElement.selectSingleNode("option[text() = '12.35f']");
assertNotNull("Option node should not be null", element);
assertNull("12.35 node incorrectly selected", element.attribute("selected"));
assertNull("No id rendered", element.attribute("id"));
}
public void testWithItemsNullReference() throws Exception {
getPageContext().getRequest().removeAttribute("countries");
getPageContext().setAttribute(
SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.country", false));
this.tag.setItems("${countries}");
this.tag.setItemValue("isoCode");
this.tag.setItemLabel("name");
int result = this.tag.doStartTag();
assertEquals(Tag.SKIP_BODY, result);
String output = getOutput();
output = "<doc>" + output + "</doc>";
SAXReader reader = new SAXReader();
Document document = reader.read(new StringReader(output));
Element rootElement = document.getRootElement();
List children = rootElement.elements();
assertEquals("Incorrect number of children", 0, children.size());
}
public void testWithoutItems() throws Exception {
getPageContext().setAttribute(
SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.country", false));
this.tag.setItemValue("isoCode");
this.tag.setItemLabel("name");
int result = this.tag.doStartTag();
assertEquals(Tag.SKIP_BODY, result);
String output = getOutput();
output = "<doc>" + output + "</doc>";
SAXReader reader = new SAXReader();
Document document = reader.read(new StringReader(output));
Element rootElement = document.getRootElement();
List children = rootElement.elements();
assertEquals("Incorrect number of children", 0, children.size());
}
protected void extendRequest(MockHttpServletRequest request) {
TestBean bean = new TestBean();
bean.setName("foo");
bean.setCountry("UK");
bean.setMyFloat(new Float("12.34"));
request.setAttribute(COMMAND_NAME, bean);
request.setAttribute("countries", Country.getCountries());
List floats = new ArrayList();
floats.add(new Float("12.30"));
floats.add(new Float("12.31"));
floats.add(new Float("12.32"));
floats.add(new Float("12.33"));
floats.add(new Float("12.34"));
floats.add(new Float("12.35"));
request.setAttribute("floats", floats);
}
protected void exposeBindingResult(Errors errors) {
// wrap errors in a Model
Map model = new HashMap();
model.put(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, errors);
// replace the request context with one containing the errors
MockPageContext pageContext = getPageContext();
RequestContext context = new RequestContext((HttpServletRequest) pageContext.getRequest(), model);
pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, context);
}
}