/*
* 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.commons.configuration.tree;
import java.util.List;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.HierarchicalConfiguration;
/**
* Test class for OverrideCombiner.
*
* @version $Id: TestOverrideCombiner.java 439648 2006-09-02 20:42:10Z oheger $
*/
public class TestOverrideCombiner extends AbstractCombinerTest
{
/**
* Creates the combiner.
*
* @return the combiner
*/
protected NodeCombiner createCombiner()
{
return new OverrideCombiner();
}
/**
* Tests combination of simple elements.
*/
public void testSimpleValues() throws ConfigurationException
{
HierarchicalConfiguration config = createCombinedConfiguration();
assertEquals("Wrong number of bgcolors", 0, config
.getMaxIndex("gui.bgcolor"));
assertEquals("Wrong bgcolor", "green", config.getString("gui.bgcolor"));
assertEquals("Wrong selcolor", "yellow", config
.getString("gui.selcolor"));
assertEquals("Wrong fgcolor", "blue", config.getString("gui.fgcolor"));
assertEquals("Wrong level", 1, config.getInt("gui.level"));
}
/**
* Tests combination of attributes.
*/
public void testAttributes() throws ConfigurationException
{
HierarchicalConfiguration config = createCombinedConfiguration();
assertEquals("Wrong value of min attribute", 1, config
.getInt("gui.level[@min]"));
assertEquals("Wrong value of default attribute", 2, config
.getInt("gui.level[@default]"));
assertEquals("Wrong number of id attributes", 0, config
.getMaxIndex("database.tables.table(0)[@id]"));
assertEquals("Wrong value of table id", 1, config
.getInt("database.tables.table(0)[@id]"));
}
/**
* Tests whether property values are correctly overridden.
*/
public void testOverrideValues() throws ConfigurationException
{
HierarchicalConfiguration config = createCombinedConfiguration();
assertEquals("Wrong user", "Admin", config
.getString("base.services.security.login.user"));
assertEquals("Wrong user type", "default", config
.getString("base.services.security.login.user[@type]"));
assertEquals("Wrong password", "BeamMeUp", config
.getString("base.services.security.login.passwd"));
assertEquals("Wrong password type", "secret", config
.getString("base.services.security.login.passwd[@type]"));
}
/**
* Tests if a list from the first node structure overrides a list in the
* second structure.
*/
public void testListFromFirstStructure() throws ConfigurationException
{
HierarchicalConfiguration config = createCombinedConfiguration();
assertEquals("Wrong number of services", 0, config
.getMaxIndex("net.service.url"));
assertEquals("Wrong service", "http://service1.org", config
.getString("net.service.url"));
assertFalse("Type attribute available", config
.containsKey("net.service.url[@type]"));
}
/**
* Tests if a list from the second structure is added if it is not defined
* in the first structure.
*/
public void testListFromSecondStructure() throws ConfigurationException
{
HierarchicalConfiguration config = createCombinedConfiguration();
assertEquals("Wrong number of servers", 3, config
.getMaxIndex("net.server.url"));
assertEquals("Wrong server", "http://testsvr.com", config
.getString("net.server.url(2)"));
}
/**
* Tests the combination of the table structure. Because the table node is
* not declared as a list node the structures will be combined. But this
* won't make any difference because the values in the first table override
* the values in the second table. Only the node for the table element will
* be a ViewNode.
*/
public void testCombinedTableNoList() throws ConfigurationException
{
ConfigurationNode tabNode = checkTable(createCombinedConfiguration());
assertTrue("Node is not a view node", tabNode instanceof ViewNode);
}
/**
* Tests the combination of the table structure when the table node is
* declared as a list node. In this case the first table structure
* completely overrides the second and will be directly added to the
* resulting structure.
*/
public void testCombinedTableList() throws ConfigurationException
{
combiner.addListNode("table");
ConfigurationNode tabNode = checkTable(createCombinedConfiguration());
assertFalse("Node is a view node", tabNode instanceof ViewNode);
}
/**
* Helper method for checking the combined table structure.
*
* @param config the config
* @return the node for the table element
*/
private ConfigurationNode checkTable(HierarchicalConfiguration config)
{
assertEquals("Wrong number of tables", 0, config
.getMaxIndex("database.tables.table"));
HierarchicalConfiguration c = config
.configurationAt("database.tables.table");
assertEquals("Wrong table name", "documents", c.getString("name"));
assertEquals("Wrong number of fields", 2, c
.getMaxIndex("fields.field.name"));
assertEquals("Wrong field", "docname", c
.getString("fields.field(1).name"));
List nds = config.getExpressionEngine().query(config.getRoot(),
"database.tables.table");
assertFalse("No node found", nds.isEmpty());
return (ConfigurationNode) nds.get(0);
}
}