/*
* 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.beans.PropertyEditorSupport;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.jsp.tagext.BodyTag;
import javax.servlet.jsp.tagext.Tag;
import org.springframework.beans.Colour;
import org.springframework.beans.TestBean;
import org.springframework.beans.propertyeditors.StringArrayPropertyEditor;
import org.springframework.mock.web.MockBodyContent;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.test.AssertThrows;
import org.springframework.util.StringUtils;
import org.springframework.validation.BeanPropertyBindingResult;
import org.springframework.web.servlet.support.BindStatus;
/**
* @author Rob Harrop
* @author Juergen Hoeller
* @author Rick Evans
*/
public class OptionTagTests extends AbstractHtmlElementTagTests {
private static final String ARRAY_SOURCE = "abc,123,def";
private static final String[] ARRAY = StringUtils.commaDelimitedListToStringArray(ARRAY_SOURCE);
private OptionTag tag;
protected void onSetUp() {
this.tag = new OptionTag() {
protected TagWriter createTagWriter() {
return new TagWriter(getWriter());
}
};
this.tag.setParent(new SelectTag());
this.tag.setPageContext(getPageContext());
}
public void testCanBeDisabledEvenWhenSelected() throws Exception {
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.name", false));
this.tag.setValue("bar");
this.tag.setLabel("Bar");
this.tag.setDisabled("true");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", "bar");
assertContainsAttribute(output, "disabled", "disabled");
assertBlockTagContains(output, "Bar");
}
public void testRenderNotSelected() throws Exception {
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.name", false));
this.tag.setValue("bar");
this.tag.setLabel("Bar");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", "bar");
assertBlockTagContains(output, "Bar");
}
public void testRenderSelected() throws Exception {
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.name", false));
this.tag.setId("myOption");
this.tag.setValue("foo");
this.tag.setLabel("Foo");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "id", "myOption");
assertContainsAttribute(output, "value", "foo");
assertContainsAttribute(output, "selected", "selected");
assertBlockTagContains(output, "Foo");
}
public void testWithNoLabel() throws Exception {
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.name", false));
this.tag.setValue("bar");
this.tag.setCssClass("myClass");
this.tag.setOnclick("CLICK");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", "bar");
assertContainsAttribute(output, "class", "myClass");
assertContainsAttribute(output, "onclick", "CLICK");
assertBlockTagContains(output, "bar");
}
public void testWithoutContext() throws Exception {
this.tag.setParent(null);
this.tag.setValue("foo");
this.tag.setLabel("Foo");
new AssertThrows(IllegalStateException.class,
"Must not be able to use <option> tag without exposed context.") {
public void test() throws Exception {
tag.doStartTag();
}
}.runTest();
}
public void testWithEnum() throws Exception {
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.favouriteColour", false));
String value = Colour.GREEN.getCode().toString();
String label = Colour.GREEN.getLabel();
this.tag.setValue(value);
this.tag.setLabel(label);
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", value);
assertContainsAttribute(output, "selected", "selected");
assertBlockTagContains(output, label);
}
public void testWithEnumNotSelected() throws Exception {
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.favouriteColour", false));
String value = Colour.BLUE.getCode().toString();
String label = Colour.BLUE.getLabel();
this.tag.setValue(value);
this.tag.setLabel(label);
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", value);
assertAttributeNotPresent(output, "selected");
assertBlockTagContains(output, label);
}
public void testWithPropertyEditor() throws Exception {
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.stringArray", false) {
public PropertyEditor getEditor() {
return new StringArrayPropertyEditor();
}
};
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
this.tag.setValue(ARRAY_SOURCE);
this.tag.setLabel("someArray");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", ARRAY_SOURCE);
assertContainsAttribute(output, "selected", "selected");
assertBlockTagContains(output, "someArray");
}
public void testWithPropertyEditorStringComparison() throws Exception {
final PropertyEditor testBeanEditor = new TestBeanPropertyEditor();
testBeanEditor.setValue(new TestBean("Sally"));
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.spouse", false) {
public PropertyEditor getEditor() {
return testBeanEditor;
}
};
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
this.tag.setValue("Sally");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", "Sally");
assertContainsAttribute(output, "selected", "selected");
assertBlockTagContains(output, "Sally");
}
public void testWithCustomObjectSelected() throws Exception {
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.someNumber", false));
this.tag.setValue("${myNumber}");
this.tag.setLabel("GBP ${myNumber}");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", "12.34");
assertContainsAttribute(output, "selected", "selected");
assertBlockTagContains(output, "GBP 12.34");
}
public void testWithCustomObjectNotSelected() throws Exception {
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.someNumber", false));
this.tag.setValue("${myOtherNumber}");
this.tag.setLabel("GBP ${myOtherNumber}");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", "12.35");
assertAttributeNotPresent(output, "selected");
assertBlockTagContains(output, "GBP 12.35");
}
public void testWithCustomObjectAndEditorSelected() throws Exception {
final PropertyEditor floatEditor = new SimpleFloatEditor();
floatEditor.setValue(new Float("12.34"));
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.someNumber", false) {
public PropertyEditor getEditor() {
return floatEditor;
}
};
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
this.tag.setValue("${myNumber}");
this.tag.setLabel("${myNumber}");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "selected", "selected");
assertBlockTagContains(output, "12.34f");
}
public void testWithCustomObjectAndEditorNotSelected() throws Exception {
final PropertyEditor floatEditor = new SimpleFloatEditor();
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.someNumber", false) {
public PropertyEditor getEditor() {
return floatEditor;
}
};
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
this.tag.setValue("${myOtherNumber}");
this.tag.setLabel("${myOtherNumber}");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertAttributeNotPresent(output, "selected");
assertBlockTagContains(output, "12.35f");
}
public void testAsBodyTag() throws Exception {
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.name", false);
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
String bodyContent = "some content";
this.tag.setValue("foo");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
this.tag.setBodyContent(new MockBodyContent(bodyContent, getWriter()));
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "selected", "selected");
assertBlockTagContains(output, bodyContent);
}
public void testAsBodyTagSelected() throws Exception {
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.name", false);
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
String bodyContent = "some content";
this.tag.setValue("Rob Harrop");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
this.tag.setBodyContent(new MockBodyContent(bodyContent, getWriter()));
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertBlockTagContains(output, bodyContent);
}
public void testAsBodyTagCollapsed() throws Exception {
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.name", false);
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
String bodyContent = "some content";
this.tag.setValue(bodyContent);
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
this.tag.setBodyContent(new MockBodyContent(bodyContent, getWriter()));
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
String output = getOutput();
assertOptionTagOpened(output);
assertOptionTagClosed(output);
assertContainsAttribute(output, "value", bodyContent);
assertBlockTagContains(output, bodyContent);
}
public void testAsBodyTagWithEditor() throws Exception {
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.stringArray", false) {
public PropertyEditor getEditor() {
return new RulesVariantEditor();
}
};
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
RulesVariant rulesVariant = new RulesVariant("someRules", "someVariant");
getPageContext().getRequest().setAttribute("rule", rulesVariant);
this.tag.setValue("${rule}");
int result = this.tag.doStartTag();
assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
assertEquals(rulesVariant, getPageContext().getAttribute("value"));
assertEquals(rulesVariant.toId(), getPageContext().getAttribute("displayValue"));
result = this.tag.doEndTag();
assertEquals(Tag.EVAL_PAGE, result);
}
public void testMultiBind() throws Exception {
BeanPropertyBindingResult result = new BeanPropertyBindingResult(new TestBean(), "testBean");
result.getPropertyAccessor().registerCustomEditor(TestBean.class, "friends", new FriendEditor());
exposeBindingResult(result);
BindStatus bindStatus = new BindStatus(getRequestContext(), "testBean.friends", false);
getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, bindStatus);
this.tag.setValue(new TestBean("foo"));
this.tag.doStartTag();
this.tag.doEndTag();
assertEquals("<option value=\"foo\">foo</option>", getOutput());
}
public void testOptionTagNotNestedWithinSelectTag() throws Exception {
new AssertThrows(IllegalStateException.class,
"Must throw an IllegalStateException when not nested within a <select/> tag.") {
public void test() throws Exception {
tag.setParent(null);
tag.setValue("foo");
tag.doStartTag();
}
}.runTest();
}
private void assertOptionTagOpened(String output) {
assertTrue(output.startsWith("<option"));
}
private void assertOptionTagClosed(String output) {
assertTrue(output.endsWith("</option>"));
}
protected void extendRequest(MockHttpServletRequest request) {
TestBean bean = new TestBean();
bean.setName("foo");
bean.setFavouriteColour(Colour.GREEN);
bean.setStringArray(ARRAY);
bean.setSpouse(new TestBean("Sally"));
bean.setSomeNumber(new Float("12.34"));
List friends = new ArrayList();
friends.add(new TestBean("bar"));
friends.add(new TestBean("penc"));
bean.setFriends(friends);
request.setAttribute("testBean", bean);
request.setAttribute("myNumber", new Float(12.34));
request.setAttribute("myOtherNumber", new Float(12.35));
}
private static class TestBeanPropertyEditor extends PropertyEditorSupport {
public void setAsText(String text) throws IllegalArgumentException {
setValue(new TestBean(text + "k", 123));
}
public String getAsText() {
return ((TestBean) getValue()).getName();
}
}
public static class RulesVariant implements Serializable {
private String rules;
private String variant;
public RulesVariant(String rules, String variant) {
this.setRules(rules);
this.setVariant(variant);
}
private void setRules(String rules) {
this.rules = rules;
}
public String getRules() {
return rules;
}
private void setVariant(String variant) {
this.variant = variant;
}
public String getVariant() {
return variant;
}
public String toId() {
if (this.variant != null) {
return this.rules + "-" + this.variant;
} else {
return rules;
}
}
public static RulesVariant fromId(String id) {
String[] s = id.split("-", 2);
String rules = s[0];
String variant = s.length > 1 ? s[1] : null;
return new RulesVariant(rules, variant);
}
public boolean equals(Object obj) {
if (obj instanceof RulesVariant) {
RulesVariant other = (RulesVariant) obj;
return this.toId().equals(other.toId());
}
return false;
}
public int hashCode() {
return this.toId().hashCode();
}
}
public class RulesVariantEditor extends PropertyEditorSupport {
public void setAsText(String text) throws IllegalArgumentException {
setValue(RulesVariant.fromId(text));
}
public String getAsText() {
RulesVariant rulesVariant = (RulesVariant) getValue();
return rulesVariant.toId();
}
}
private static class FriendEditor extends PropertyEditorSupport {
public void setAsText(String text) throws IllegalArgumentException {
setValue(new TestBean(text));
}
public String getAsText() {
return ((TestBean) getValue()).getName();
}
}
}