/*
* $Id: IteratorGeneratorTagTest.java 680066 2008-07-27 06:00:31Z wsmoak $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.struts2.views.jsp;
import java.util.Iterator;
import org.apache.struts2.util.IteratorGenerator.Converter;
import org.apache.struts2.views.jsp.iterator.IteratorGeneratorTag;
import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionSupport;
/**
* Test case for IteratorGeneratorTag.
*
*/
public class IteratorGeneratorTagTest extends AbstractTagTest {
public void testGeneratorBasic() throws Exception {
IteratorGeneratorTag tag = new IteratorGeneratorTag();
tag.setPageContext(pageContext);
tag.setVal("%{'aaa,bbb,ccc,ddd,eee'}");
tag.doStartTag();
Object topOfStack = stack.findValue("top");
assertTrue(topOfStack instanceof Iterator);
// 1
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "aaa");
// 2
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "bbb");
// 3
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "ccc");
// 4
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "ddd");
// 5
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(),"eee");
assertFalse(((Iterator)topOfStack).hasNext());
tag.doEndTag();
Object afterTopOfStack = stack.findValue("top");
assertNotSame(afterTopOfStack, topOfStack);
}
public void testGeneratorWithSeparator() throws Exception {
IteratorGeneratorTag tag = new IteratorGeneratorTag();
tag.setPageContext(pageContext);
tag.setVal("%{'aaa|bbb|ccc|ddd|eee'}");
tag.setSeparator("|");
tag.doStartTag();
Object topOfStack = stack.findValue("top");
tag.doEndTag();
Object afterTopOfStack = stack.findValue("top");
assertTrue(topOfStack instanceof Iterator);
// 1
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "aaa");
// 2
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "bbb");
// 3
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "ccc");
// 4
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "ddd");
// 5
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "eee");
assertFalse(((Iterator)topOfStack).hasNext());
assertNotSame(afterTopOfStack, topOfStack);
}
public void testGeneratorWithConverter() throws Exception {
IteratorGeneratorTag tag = new IteratorGeneratorTag();
tag.setPageContext(pageContext);
tag.setVal("%{'aaa, bbb, ccc, ddd, eee'}");
tag.setConverter("myConverter");
tag.doStartTag();
Object topOfStack = stack.findValue("top");
tag.doEndTag();
Object afterTopOfStack = stack.findValue("top");
assertTrue(topOfStack instanceof Iterator);
// 1.
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "myConverter-aaa");
// 2
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "myConverter-bbb");
// 3
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "myConverter-ccc");
// 4.
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "myConverter-ddd");
// 5.
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "myConverter-eee");
assertFalse(((Iterator)topOfStack).hasNext());
assertNotSame(afterTopOfStack, topOfStack);
}
public void testGeneratorWithId() throws Exception {
IteratorGeneratorTag tag = new IteratorGeneratorTag();
tag.setPageContext(pageContext);
tag.setVal("%{'aaa,bbb,ccc,ddd,eee'}");
tag.setId("myPageContextAttId");
tag.doStartTag();
tag.doEndTag();
Object pageContextIterator = pageContext.getAttribute("myPageContextAttId");
assertTrue(pageContextIterator instanceof Iterator);
// 1
assertTrue(((Iterator)pageContextIterator).hasNext());
assertEquals(((Iterator)pageContextIterator).next(), "aaa");
// 2.
assertTrue(((Iterator)pageContextIterator).hasNext());
assertEquals(((Iterator)pageContextIterator).next(), "bbb");
// 3.
assertTrue(((Iterator)pageContextIterator).hasNext());
assertEquals(((Iterator)pageContextIterator).next(), "ccc");
// 4
assertTrue(((Iterator)pageContextIterator).hasNext());
assertEquals(((Iterator)pageContextIterator).next(), "ddd");
// 5
assertTrue(((Iterator)pageContextIterator).hasNext());
assertEquals(((Iterator)pageContextIterator).next(), "eee");
assertFalse(((Iterator)pageContextIterator).hasNext());
}
public void testGeneratorWithCount() throws Exception {
IteratorGeneratorTag tag = new IteratorGeneratorTag();
tag.setPageContext(pageContext);
tag.setVal("%{'aaa,bbb,ccc,ddd,eee'}");
tag.setCount("myCount");
tag.doStartTag();
Object topOfStack = stack.findValue("top");
tag.doEndTag();
Object afterTopOfStack = stack.findValue("top");
assertTrue(topOfStack instanceof Iterator);
// 1
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "aaa");
// 2
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "bbb");
// 3.
assertTrue(((Iterator)topOfStack).hasNext());
assertEquals(((Iterator)topOfStack).next(), "ccc");
assertFalse(((Iterator)topOfStack).hasNext());
assertNotSame(topOfStack, afterTopOfStack);
}
public void testGeneratorWithDoubleCount() throws Exception {
IteratorGeneratorTag tag = new IteratorGeneratorTag();
tag.setPageContext(pageContext);
tag.setVal("%{'not used'}");
tag.setCount("3.0");
tag.doStartTag();
tag.doEndTag();
}
public Action getAction() {
return new ActionSupport() {
public Converter getMyConverter() {
return new Converter() {
public Object convert(String value) throws Exception {
return "myConverter-"+value;
}
};
}
public int getMyCount() {
return 3;
}
};
}
}