bindtagtests.java

spring的源代码

/*
 * Copyright 2002-2005 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;

import java.beans.PropertyEditorSupport;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Set;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.tagext.Tag;

import org.springframework.beans.IndexedTestBean;
import org.springframework.beans.NestedTestBean;
import org.springframework.beans.TestBean;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.validation.BindException;
import org.springframework.validation.DataBinder;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.support.BindStatus;

/**
 * @author Juergen Hoeller
 * @author Alef Arendsen
 */
public class BindTagTests extends AbstractTagTests {

	public void testBindTagWithoutErrors() throws JspException {
		PageContext pc = createPageContext();
		BindException errors = new ServletRequestDataBinder(new TestBean(), "tb").getErrors();
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);
		BindTag tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		BindStatus status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", status.getExpression() == null);
		assertTrue("Correct value", status.getValue() == null);
		assertTrue("Correct displayValue", "".equals(status.getDisplayValue()));
		assertTrue("Correct isError", !status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 0);
		assertTrue("Correct errorMessages", status.getErrorMessages().length == 0);
		assertTrue("Correct errorCode", "".equals(status.getErrorCode()));
		assertTrue("Correct errorMessage", "".equals(status.getErrorMessage()));
		assertTrue("Correct errorMessagesAsString", "".equals(status.getErrorMessagesAsString(",")));
	}

	public void testBindTagWithGlobalErrors() throws JspException {
		PageContext pc = createPageContext();
		BindException errors = new ServletRequestDataBinder(new TestBean(), "tb").getErrors();
		errors.reject("code1", "message1");
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);

		BindTag tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		BindStatus status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", status.getExpression() == null);
		assertTrue("Correct value", status.getValue() == null);
		assertTrue("Correct displayValue", "".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 1);
		assertTrue("Correct errorMessages", status.getErrorMessages().length == 1);
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCode()));
		assertTrue("Correct errorMessage", "message1".equals(status.getErrorMessage()));
		assertTrue("Correct errorMessagesAsString", "message1".equals(status.getErrorMessagesAsString(",")));

		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.*");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", "*".equals(status.getExpression()));
		assertTrue("Correct value", status.getValue() == null);
		assertTrue("Correct displayValue", "".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 1);
		assertTrue("Correct errorMessages", status.getErrorMessages().length == 1);
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCode()));
		assertTrue("Correct errorMessage", "message1".equals(status.getErrorMessage()));
		assertTrue("Correct errorMessagesAsString", "message1".equals(status.getErrorMessagesAsString(",")));
	}

	public void testBindTagWithGlobalErrorsAndNoDefaultMessage() throws JspException {
		PageContext pc = createPageContext();
		BindException errors = new ServletRequestDataBinder(new TestBean(), "tb").getErrors();
		errors.reject("code1");
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);

		BindTag tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		BindStatus status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", status.getExpression() == null);
		assertTrue("Correct value", status.getValue() == null);
		assertTrue("Correct displayValue", "".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 1);
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCode()));

		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.*");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", "*".equals(status.getExpression()));
		assertTrue("Correct value", status.getValue() == null);
		assertTrue("Correct displayValue", "".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 1);
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCode()));
	}

	public void testBindTagWithGlobalErrorsAndDefaultMessageOnly() throws JspException {
		PageContext pc = createPageContext();
		BindException errors = new ServletRequestDataBinder(new TestBean(), "tb").getErrors();
		errors.reject(null, "message1");
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);

		BindTag tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		BindStatus status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", status.getExpression() == null);
		assertTrue("Correct value", status.getValue() == null);
		assertTrue("Correct displayValue", "".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorMessages", status.getErrorMessages().length == 1);
		assertTrue("Correct errorMessage", "message1".equals(status.getErrorMessage()));
		assertTrue("Correct errorMessagesAsString", "message1".equals(status.getErrorMessagesAsString(",")));

		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.*");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", "*".equals(status.getExpression()));
		assertTrue("Correct value", status.getValue() == null);
		assertTrue("Correct displayValue", "".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorMessages", status.getErrorMessages().length == 1);
		assertTrue("Correct errorMessage", "message1".equals(status.getErrorMessage()));
		assertTrue("Correct errorMessagesAsString", "message1".equals(status.getErrorMessagesAsString(",")));
	}

	public void testBindStatusGetErrorMessagesAsString() throws JspException {
		// one error (should not include delimiter)
		PageContext pc = createPageContext();
		BindException errors = new ServletRequestDataBinder(new TestBean(), "tb").getErrors();
		errors.reject("code1", null, "message1");
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);
		BindTag tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb");
		tag.doStartTag();
		BindStatus status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertEquals("Error messages String should be 'message1'",
				status.getErrorMessagesAsString(","), "message1");

		// two errors
		pc = createPageContext();
		errors = new ServletRequestDataBinder(new TestBean(), "tb").getErrors();
		errors.reject("code1", null, "message1");
		errors.reject("code1", null, "message2");
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);
		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb");
		tag.doStartTag();
		status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertEquals("Error messages String should be 'message1,message2'",
				status.getErrorMessagesAsString(","), "message1,message2");

		// no errors
		pc = createPageContext();
		errors = new ServletRequestDataBinder(new TestBean(), "tb").getErrors();
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);
		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb");
		tag.doStartTag();
		status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertEquals("Error messages String should be ''", status.getErrorMessagesAsString(","), "");
	}

	public void testBindTagWithFieldErrors() throws JspException {
		PageContext pc = createPageContext();
		TestBean tb = new TestBean();
		tb.setName("name1");
		BindException errors = new ServletRequestDataBinder(tb, "tb").getErrors();
		errors.rejectValue("name", "code1", "message & 1");
		errors.rejectValue("name", "code2", "message2");
		errors.rejectValue("age", "code2", "message2");
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);

		BindTag tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.name");
		tag.setHtmlEscape("true");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		BindStatus status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", "name".equals(status.getExpression()));
		assertTrue("Correct value", "name1".equals(status.getValue()));
		assertTrue("Correct displayValue", "name1".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 2);
		assertTrue("Correct errorMessages", status.getErrorMessages().length == 2);
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCode()));
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCodes()[0]));
		assertTrue("Correct errorCode", "code2".equals(status.getErrorCodes()[1]));
		assertTrue("Correct errorMessage", "message & 1".equals(status.getErrorMessage()));
		assertTrue("Correct errorMessage", "message & 1".equals(status.getErrorMessages()[0]));
		assertTrue("Correct errorMessage", "message2".equals(status.getErrorMessages()[1]));
		assertTrue("Correct errorMessagesAsString",
				"message & 1 - message2".equals(status.getErrorMessagesAsString(" - ")));

		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.age");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", "age".equals(status.getExpression()));
		assertTrue("Correct value", new Integer(0).equals(status.getValue()));
		assertTrue("Correct displayValue", "0".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 1);
		assertTrue("Correct errorMessages", status.getErrorMessages().length == 1);
		assertTrue("Correct errorCode", "code2".equals(status.getErrorCode()));
		assertTrue("Correct errorMessage", "message2".equals(status.getErrorMessage()));
		assertTrue("Correct errorMessagesAsString", "message2".equals(status.getErrorMessagesAsString(" - ")));

		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.*");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", "*".equals(status.getExpression()));
		assertTrue("Correct value", status.getValue() == null);
		assertTrue("Correct displayValue", "".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 3);
		assertTrue("Correct errorMessages", status.getErrorMessages().length == 3);
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCode()));
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCodes()[0]));
		assertTrue("Correct errorCode", "code2".equals(status.getErrorCodes()[1]));
		assertTrue("Correct errorCode", "code2".equals(status.getErrorCodes()[2]));
		assertTrue("Correct errorMessage", "message & 1".equals(status.getErrorMessage()));
		assertTrue("Correct errorMessage", "message & 1".equals(status.getErrorMessages()[0]));
		assertTrue("Correct errorMessage", "message2".equals(status.getErrorMessages()[1]));
		assertTrue("Correct errorMessage", "message2".equals(status.getErrorMessages()[2]));
	}

	public void testBindTagWithFieldErrorsAndNoDefaultMessage() throws JspException {
		PageContext pc = createPageContext();
		TestBean tb = new TestBean();
		tb.setName("name1");
		BindException errors = new ServletRequestDataBinder(tb, "tb").getErrors();
		errors.rejectValue("name", "code1");
		errors.rejectValue("name", "code2");
		errors.rejectValue("age", "code2");
		pc.getRequest().setAttribute(BindException.ERROR_KEY_PREFIX + "tb", errors);

		BindTag tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.name");
		tag.setHtmlEscape("true");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		BindStatus status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", "name".equals(status.getExpression()));
		assertTrue("Correct value", "name1".equals(status.getValue()));
		assertTrue("Correct displayValue", "name1".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 2);
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCode()));
		assertTrue("Correct errorCode", "code1".equals(status.getErrorCodes()[0]));
		assertTrue("Correct errorCode", "code2".equals(status.getErrorCodes()[1]));

		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.age");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
		status = (BindStatus) pc.getAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertTrue("Has status variable", status != null);
		assertTrue("Correct expression", "age".equals(status.getExpression()));
		assertTrue("Correct value", new Integer(0).equals(status.getValue()));
		assertTrue("Correct displayValue", "0".equals(status.getDisplayValue()));
		assertTrue("Correct isError", status.isError());
		assertTrue("Correct errorCodes", status.getErrorCodes().length == 1);
		assertTrue("Correct errorCode", "code2".equals(status.getErrorCode()));

		tag = new BindTag();
		tag.setPageContext(pc);
		tag.setPath("tb.*");
		assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);