/*
* 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.sling.scripting.jsp.taglib;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.Iterator;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.commons.testing.sling.MockResource;
import org.apache.sling.commons.testing.sling.MockResourceResolver;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Unit Tests for the Class ListChildrenTag.
* @see org.apache.sling.scripting.jsp.taglib.ListChildrenTag
*/
public class TestListChildrenTag {
private static final Logger log = LoggerFactory
.getLogger(TestListChildrenTag.class);
private ListChildrenTag listChildrenTag = new ListChildrenTag();
private MockResource resource;
private MockPageContext pageContext;
private static final String TEST_PATH = "/content";
private static final String VAR_KEY = "children";
/**
* Initializes the fields for this test.
*/
@Before
public void init() {
log.info("init");
log.info("Creating Resource Structure");
final MockResourceResolver resolver = new MockResourceResolver();
resource = new MockResource(resolver, TEST_PATH, "test");
resolver.addResource(resource);
MockResource child1 = new MockResource(resolver, TEST_PATH + "/child1",
"test");
resolver.addResource(child1);
MockResource child2 = new MockResource(resolver, TEST_PATH + "/child2",
"test");
resolver.addResource(child2);
log.info("Adding page context");
pageContext = new MockPageContext();
listChildrenTag.setPageContext(pageContext);
log.info("init Complete");
}
/**
* Tests to ensure the base ListChildren functionality works.
*/
@SuppressWarnings("unchecked")
@Test
public void testListChildren() {
log.info("testGoodPath");
listChildrenTag.setResource(resource);
listChildrenTag.setVar(VAR_KEY);
listChildrenTag.doEndTag();
Object result = pageContext.getAttribute(VAR_KEY);
assertNotNull(result);
assertTrue(result instanceof Iterator);
assertTrue(((Iterator<Resource>) result).hasNext());
log.info("Test successful!");
}
/**
* Tests to see what happens if a null Resource is provided
*/
@Test
public void testNullResource() {
log.info("testNullResource");
listChildrenTag.setVar(VAR_KEY);
listChildrenTag.setResource(null);
listChildrenTag.doEndTag();
Object result = pageContext.getAttribute(VAR_KEY);
assertNull(result);
log.info("Test successful!");
}
}