spring CheckboxesTagTests 源码

2022-08-08
浏览 (314)

spring CheckboxesTagTests 代码

文件路径：/spring-webmvc/src/test/java/org/springframework/web/servlet/tags/form/CheckboxesTagTests.java

/*
 * Copyright 2002-2020 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
 *
 *      https://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.PropertyEditorSupport;
import java.io.StringReader;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;

import jakarta.servlet.jsp.JspException;
import jakarta.servlet.jsp.tagext.Tag;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.junit.jupiter.api.Test;

import org.springframework.beans.propertyeditors.StringTrimmerEditor;
import org.springframework.beans.testfixture.beans.Colour;
import org.springframework.beans.testfixture.beans.Pet;
import org.springframework.beans.testfixture.beans.TestBean;
import org.springframework.format.Formatter;
import org.springframework.format.support.FormattingConversionService;
import org.springframework.util.ObjectUtils;
import org.springframework.validation.BeanPropertyBindingResult;
import org.springframework.validation.BindingResult;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;

/**
 * @author Thomas Risberg
 * @author Mark Fisher
 * @author Juergen Hoeller
 * @author Benjamin Hoffmann
 * @author Jeremy Grelle
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public class CheckboxesTagTests extends AbstractFormTagTests {

	private CheckboxesTag tag;

	private TestBean bean;

	@Override
	@SuppressWarnings("serial")
	protected void onSetUp() {
		this.tag = new CheckboxesTag() {
			@Override
			protected TagWriter createTagWriter() {
				return new TagWriter(getWriter());
			}
		};
		this.tag.setPageContext(getPageContext());
	}

	@Test
	public void withMultiValueArray() throws Exception {
		this.tag.setPath("stringArray");
		this.tag.setItems(new Object[] {"foo", "bar", "baz"});
		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";
		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("foo");
		assertThat(spanElement1.getStringValue()).isEqualTo("foo");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("bar");
		assertThat(spanElement2.getStringValue()).isEqualTo("bar");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("baz");
		assertThat(spanElement3.getStringValue()).isEqualTo("baz");
	}

	@Test
	public void withMultiValueArrayAndDynamicAttributes() throws Exception {
		String dynamicAttribute1 = "attr1";
		String dynamicAttribute2 = "attr2";

		this.tag.setPath("stringArray");
		this.tag.setItems(new Object[] {"foo", "bar", "baz"});
		this.tag.setDynamicAttribute(null, dynamicAttribute1, dynamicAttribute1);
		this.tag.setDynamicAttribute(null, dynamicAttribute2, dynamicAttribute2);

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";
		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("foo");
		assertThat(spanElement1.getStringValue()).isEqualTo("foo");
		assertThat(checkboxElement1.attribute(dynamicAttribute1).getValue()).isEqualTo(dynamicAttribute1);
		assertThat(checkboxElement1.attribute(dynamicAttribute2).getValue()).isEqualTo(dynamicAttribute2);

		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("bar");
		assertThat(spanElement2.getStringValue()).isEqualTo("bar");
		assertThat(checkboxElement2.attribute(dynamicAttribute1).getValue()).isEqualTo(dynamicAttribute1);
		assertThat(checkboxElement2.attribute(dynamicAttribute2).getValue()).isEqualTo(dynamicAttribute2);

		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("baz");
		assertThat(spanElement3.getStringValue()).isEqualTo("baz");
		assertThat(checkboxElement3.attribute(dynamicAttribute1).getValue()).isEqualTo(dynamicAttribute1);
		assertThat(checkboxElement3.attribute(dynamicAttribute2).getValue()).isEqualTo(dynamicAttribute2);
	}

	@Test
	public void withMultiValueArrayWithDelimiter() throws Exception {
		this.tag.setDelimiter("<br/>");
		this.tag.setPath("stringArray");
		this.tag.setItems(new Object[] {"foo", "bar", "baz"});
		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";
		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element delimiterElement1 = spanElement1.element("br");
		assertThat(delimiterElement1).isNull();
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("foo");
		assertThat(spanElement1.getStringValue()).isEqualTo("foo");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element delimiterElement2 = spanElement2.elements().get(0);
		assertThat(delimiterElement2.getName()).isEqualTo("br");
		Element checkboxElement2 = spanElement2.elements().get(1);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("bar");
		assertThat(spanElement2.getStringValue()).isEqualTo("bar");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element delimiterElement3 = spanElement3.elements().get(0);
		assertThat(delimiterElement3.getName()).isEqualTo("br");
		Element checkboxElement3 = spanElement3.elements().get(1);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("baz");
		assertThat(spanElement3.getStringValue()).isEqualTo("baz");
	}

	@Test
	public void withMultiValueMap() throws Exception {
		this.tag.setPath("stringArray");
		Map m = new LinkedHashMap();
		m.put("foo", "FOO");
		m.put("bar", "BAR");
		m.put("baz", "BAZ");
		this.tag.setItems(m);
		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("foo");
		assertThat(spanElement1.getStringValue()).isEqualTo("FOO");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("bar");
		assertThat(spanElement2.getStringValue()).isEqualTo("BAR");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("baz");
		assertThat(spanElement3.getStringValue()).isEqualTo("BAZ");
	}

	@Test
	public void withPetItemsMap() throws Exception {
		this.tag.setPath("someSet");
		Map m = new LinkedHashMap();
		m.put(new ItemPet("PET1"), "PET1Label");
		m.put(new ItemPet("PET2"), "PET2Label");
		m.put(new ItemPet("PET3"), "PET3Label");
		this.tag.setItems(m);
		tag.setItemValue("name");
		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("someSet");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("PET1");
		assertThat(spanElement1.getStringValue()).isEqualTo("PET1Label");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("someSet");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("PET2");
		assertThat(spanElement2.getStringValue()).isEqualTo("PET2Label");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("someSet");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("PET3");
		assertThat(spanElement3.getStringValue()).isEqualTo("PET3Label");
	}

	@Test
	public void withMultiValueMapWithDelimiter() throws Exception {
		String delimiter = " | ";
		this.tag.setDelimiter(delimiter);
		this.tag.setPath("stringArray");
		Map m = new LinkedHashMap();
		m.put("foo", "FOO");
		m.put("bar", "BAR");
		m.put("baz", "BAZ");
		this.tag.setItems(m);
		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("foo");
		assertThat(spanElement1.getStringValue()).isEqualTo("FOO");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("bar");
		assertThat(spanElement2.getStringValue()).isEqualTo((delimiter + "BAR"));
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("baz");
		assertThat(spanElement3.getStringValue()).isEqualTo((delimiter + "BAZ"));
	}

	@Test
	public void withMultiValueWithEditor() throws Exception {
		this.tag.setPath("stringArray");
		this.tag.setItems(new Object[] {"   foo", "   bar", "   baz"});
		BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(this.bean, COMMAND_NAME);
		MyStringTrimmerEditor editor = new MyStringTrimmerEditor();
		bindingResult.getPropertyEditorRegistry().registerCustomEditor(String.class, editor);
		getPageContext().getRequest().setAttribute(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, bindingResult);

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);
		assertThat(editor.allProcessedValues.size()).isEqualTo(3);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("   foo");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("   bar");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("   baz");
	}

	@Test
	public void withMultiValueWithReverseEditor() throws Exception {
		this.tag.setPath("stringArray");
		this.tag.setItems(new Object[] {"FOO", "BAR", "BAZ"});
		BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(this.bean, COMMAND_NAME);
		MyLowerCaseEditor editor = new MyLowerCaseEditor();
		bindingResult.getPropertyEditorRegistry().registerCustomEditor(String.class, editor);
		getPageContext().getRequest().setAttribute(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, bindingResult);

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("FOO");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("BAR");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("BAZ");
	}

	@Test
	public void withMultiValueWithFormatter() throws Exception {
		this.tag.setPath("stringArray");
		this.tag.setItems(new Object[] {"   foo", "   bar", "   baz"});
		BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(this.bean, COMMAND_NAME);
		FormattingConversionService cs = new FormattingConversionService();
		cs.addFormatterForFieldType(String.class, new Formatter<String>() {
			@Override
			public String print(String object, Locale locale) {
				return object;
			}
			@Override
			public String parse(String text, Locale locale) throws ParseException {
				return text.trim();
			}
		});
		bindingResult.initConversion(cs);
		getPageContext().getRequest().setAttribute(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, bindingResult);

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("   foo");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("   bar");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("   baz");
	}

	@Test
	public void collectionOfPets() throws Exception {
		this.tag.setPath("pets");
		List allPets = new ArrayList();
		allPets.add(new ItemPet("Rudiger"));
		allPets.add(new ItemPet("Spot"));
		allPets.add(new ItemPet("Checkers"));
		allPets.add(new ItemPet("Fluffy"));
		allPets.add(new ItemPet("Mufty"));
		this.tag.setItems(allPets);
		this.tag.setItemValue("name");
		this.tag.setItemLabel("label");

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("Rudiger");
		assertThat(spanElement1.getStringValue()).isEqualTo("RUDIGER");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("Spot");
		assertThat(spanElement2.getStringValue()).isEqualTo("SPOT");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("Checkers");
		assertThat(spanElement3.getStringValue()).isEqualTo("CHECKERS");
		Element spanElement4 = document.getRootElement().elements().get(3);
		Element checkboxElement4 = spanElement4.elements().get(0);
		assertThat(checkboxElement4.getName()).isEqualTo("input");
		assertThat(checkboxElement4.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement4.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement4.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement4.attribute("value").getValue()).isEqualTo("Fluffy");
		assertThat(spanElement4.getStringValue()).isEqualTo("FLUFFY");
		Element spanElement5 = document.getRootElement().elements().get(4);
		Element checkboxElement5 = spanElement5.elements().get(0);
		assertThat(checkboxElement5.getName()).isEqualTo("input");
		assertThat(checkboxElement5.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement5.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement5.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement5.attribute("value").getValue()).isEqualTo("Mufty");
		assertThat(spanElement5.getStringValue()).isEqualTo("MUFTY");
	}

	/**
	 * Test case where items toString() doesn't fit the item ID
	 */
	@Test
	public void collectionOfItemPets() throws Exception {
		this.tag.setPath("someSet");
		List allPets = new ArrayList();
		allPets.add(new ItemPet("PET1"));
		allPets.add(new ItemPet("PET2"));
		allPets.add(new ItemPet("PET3"));
		this.tag.setItems(allPets);
		this.tag.setItemValue("name");
		this.tag.setItemLabel("label");

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("someSet");
		assertThat(checkboxElement1.attribute("checked")).as("should be checked").isNotNull();
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("PET1");
		assertThat(spanElement1.getStringValue()).isEqualTo("PET1");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("someSet");
		assertThat(checkboxElement2.attribute("checked")).as("should be checked").isNotNull();
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("PET2");
		assertThat(spanElement2.getStringValue()).isEqualTo("PET2");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("someSet");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("PET3");
		assertThat(spanElement3.getStringValue()).isEqualTo("PET3");
	}

	@Test
	public void collectionOfPetsWithEditor() throws Exception {
		this.tag.setPath("pets");
		List allPets = new ArrayList();
		allPets.add(new ItemPet("Rudiger"));
		allPets.add(new ItemPet("Spot"));
		allPets.add(new ItemPet("Checkers"));
		allPets.add(new ItemPet("Fluffy"));
		allPets.add(new ItemPet("Mufty"));
		this.tag.setItems(allPets);
		this.tag.setItemLabel("label");
		this.tag.setId("myId");

		BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(this.bean, COMMAND_NAME);
		PropertyEditorSupport editor = new ItemPet.CustomEditor();
		bindingResult.getPropertyEditorRegistry().registerCustomEditor(ItemPet.class, editor);
		getPageContext().getRequest().setAttribute(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, bindingResult);

		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement1 = document.getRootElement().elements().get(0);
		Element checkboxElement1 = spanElement1.elements().get(0);
		assertThat(checkboxElement1.getName()).isEqualTo("input");
		assertThat(checkboxElement1.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement1.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement1.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement1.attribute("value").getValue()).isEqualTo("Rudiger");
		assertThat(spanElement1.getStringValue()).isEqualTo("RUDIGER");
		Element spanElement2 = document.getRootElement().elements().get(1);
		Element checkboxElement2 = spanElement2.elements().get(0);
		assertThat(checkboxElement2.getName()).isEqualTo("input");
		assertThat(checkboxElement2.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement2.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement2.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement2.attribute("value").getValue()).isEqualTo("Spot");
		assertThat(spanElement2.getStringValue()).isEqualTo("SPOT");
		Element spanElement3 = document.getRootElement().elements().get(2);
		Element checkboxElement3 = spanElement3.elements().get(0);
		assertThat(checkboxElement3.getName()).isEqualTo("input");
		assertThat(checkboxElement3.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement3.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement3.attribute("checked")).as("not checked").isNull();
		assertThat(checkboxElement3.attribute("value").getValue()).isEqualTo("Checkers");
		assertThat(spanElement3.getStringValue()).isEqualTo("CHECKERS");
		Element spanElement4 = document.getRootElement().elements().get(3);
		Element checkboxElement4 = spanElement4.elements().get(0);
		assertThat(checkboxElement4.getName()).isEqualTo("input");
		assertThat(checkboxElement4.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement4.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement4.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement4.attribute("value").getValue()).isEqualTo("Fluffy");
		assertThat(spanElement4.getStringValue()).isEqualTo("FLUFFY");
		Element spanElement5 = document.getRootElement().elements().get(4);
		Element checkboxElement5 = spanElement5.elements().get(0);
		assertThat(checkboxElement5.getName()).isEqualTo("input");
		assertThat(checkboxElement5.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement5.attribute("name").getValue()).isEqualTo("pets");
		assertThat(checkboxElement5.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement5.attribute("value").getValue()).isEqualTo("Mufty");
		assertThat(spanElement5.getStringValue()).isEqualTo("MUFTY");
	}

	@Test
	public void withNullValue() throws Exception {
		this.tag.setPath("name");
		assertThatIllegalArgumentException().as("null value binding to a non-boolean").isThrownBy(
				this.tag::doStartTag);
	}

	@Test
	public void hiddenElementOmittedOnDisabled() throws Exception {
		this.tag.setPath("stringArray");
		this.tag.setItems(new Object[] {"foo", "bar", "baz"});
		this.tag.setDisabled(true);
		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);
		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element rootElement = document.getRootElement();
		assertThat(rootElement.elements().size()).as("Both tag and hidden element rendered incorrectly").isEqualTo(3);
		Element spanElement = document.getRootElement().elements().get(0);
		Element checkboxElement = spanElement.elements().get(0);
		assertThat(checkboxElement.getName()).isEqualTo("input");
		assertThat(checkboxElement.attribute("type").getValue()).isEqualTo("checkbox");
		assertThat(checkboxElement.attribute("name").getValue()).isEqualTo("stringArray");
		assertThat(checkboxElement.attribute("checked").getValue()).isEqualTo("checked");
		assertThat(checkboxElement.attribute("disabled").getValue()).isEqualTo("disabled");
		assertThat(checkboxElement.attribute("value").getValue()).isEqualTo("foo");
	}

	@Test
	public void spanElementCustomizable() throws Exception {
		this.tag.setPath("stringArray");
		this.tag.setItems(new Object[] {"foo", "bar", "baz"});
		this.tag.setElement("element");
		int result = this.tag.doStartTag();
		assertThat(result).isEqualTo(Tag.SKIP_BODY);
		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "</doc>";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element spanElement = document.getRootElement().elements().get(0);
		assertThat(spanElement.getName()).isEqualTo("element");
	}

	@Test
	public void dynamicTypeAttribute() throws JspException {
		assertThatIllegalArgumentException().isThrownBy(() ->
				this.tag.setDynamicAttribute(null, "type", "email"))
			.withMessage("Attribute type=\"email\" is not allowed");
	}


	private Date getDate() {
		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.YEAR, 10);
		cal.set(Calendar.MONTH, 10);
		cal.set(Calendar.DATE, 10);
		cal.set(Calendar.HOUR, 10);
		cal.set(Calendar.MINUTE, 10);
		cal.set(Calendar.SECOND, 10);
		return cal.getTime();
	}

	@Override
	protected TestBean createTestBean() {
		List colours = new ArrayList();
		colours.add(Colour.BLUE);
		colours.add(Colour.RED);
		colours.add(Colour.GREEN);

		List pets = new ArrayList();
		pets.add(new Pet("Rudiger"));
		pets.add(new Pet("Spot"));
		pets.add(new Pet("Fluffy"));
		pets.add(new Pet("Mufty"));

		Set someObjects = new HashSet();
		someObjects.add(new ItemPet("PET1"));
		someObjects.add(new ItemPet("PET2"));

		this.bean = new TestBean();
		this.bean.setDate(getDate());
		this.bean.setName("Rob Harrop");
		this.bean.setJedi(true);
		this.bean.setSomeBoolean(Boolean.TRUE);
		this.bean.setStringArray(new String[] {"bar", "foo"});
		this.bean.setSomeIntegerArray(new Integer[] {2, 1});
		this.bean.setOtherColours(colours);
		this.bean.setPets(pets);
		this.bean.setSomeSet(someObjects);
		List list = new ArrayList();
		list.add("foo");
		list.add("bar");
		this.bean.setSomeList(list);
		return this.bean;
	}


	private static class MyStringTrimmerEditor extends StringTrimmerEditor {

		public final Set allProcessedValues = new HashSet();

		public MyStringTrimmerEditor() {
			super(false);
		}

		@Override
		public void setAsText(String text) {
			super.setAsText(text);
			this.allProcessedValues.add(getValue());
		}
	}


	private static class MyLowerCaseEditor extends PropertyEditorSupport {

		@Override
		public void setAsText(String text) throws IllegalArgumentException {
			setValue(text.toLowerCase());
		}

		@Override
		public String getAsText() {
			return ObjectUtils.nullSafeToString(getValue()).toUpperCase();
		}
	}

}

相关信息

spring 源码目录

相关文章

spring AbstractFormTagTests 源码

spring AbstractHtmlElementTagTests 源码

spring ButtonTagTests 源码

spring CheckboxTagTests 源码

spring Country 源码

spring ErrorsTagTests 源码

spring FormTagTests 源码

spring HiddenInputTagTests 源码

spring InputTagTests 源码

spring ItemPet 源码

0 赞

所属分类： 后端技术
本文标签： Java Spring
版权声明： 原创文章如转载，请注明本文链接: https://m.seaxiang.com/blog/62924e6e75f04411baf9b3e32f5cadbd

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
6、 harmony 鸿蒙初识ArkTS语言
7、 golang
8、 flink kafka connector scan.startup.mode 的几个选项
9、 openharmony
10、 Vue中input框自动聚焦

Loading...