/*
 * 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.jena.arq.querybuilder.handlers;

import static org.junit.Assert.*;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.jena.graph.Node ;
import org.apache.jena.graph.NodeFactory ;
import org.apache.jena.graph.Triple ;
import org.apache.jena.query.Query ;
import org.apache.jena.sparql.core.Var ;
import org.apache.jena.sparql.syntax.Template ;
import org.junit.Before;
import org.junit.Test;

public class ConstructHandlerTest extends AbstractHandlerTest {
	private Query query;
	private ConstructHandler handler;

	@Before
	public void setup() {
		query = new Query();
		handler = new ConstructHandler(query);
	}

	@Test
	public void testAddAll() {
		Triple t = new Triple(NodeFactory.createURI("one"),
				NodeFactory.createURI("two"), NodeFactory.createURI("three"));
		ConstructHandler handler2 = new ConstructHandler(new Query());
		handler2.addConstruct(t);
		handler.addAll(handler2);
		Template template = query.getConstructTemplate();
		assertNotNull(template);
		List<Triple> lst = template.getTriples();
		assertEquals(1, lst.size());
		assertEquals(t, lst.get(0));
	}

	@Test
	public void testAddConstruct() {
		Triple t = new Triple(NodeFactory.createURI("one"),
				NodeFactory.createURI("two"), NodeFactory.createURI("three"));
		handler.addConstruct(t);
		Template template = query.getConstructTemplate();
		assertNotNull(template);
		List<Triple> lst = template.getTriples();
		assertEquals(1, lst.size());
		assertEquals(t, lst.get(0));
	}

	@Test
	public void testSetVars() {
		Var v = Var.alloc("v");
		Triple t = new Triple(NodeFactory.createURI("one"),
				NodeFactory.createURI("two"), v);
		handler.addConstruct(t);
		Template template = query.getConstructTemplate();
		assertNotNull(template);
		List<Triple> lst = template.getTriples();
		assertEquals(1, lst.size());
		assertEquals(t, lst.get(0));

		Map<Var, Node> values = new HashMap<Var, Node>();
		values.put(v, NodeFactory.createURI("three"));
		handler.setVars(values);

		template = query.getConstructTemplate();
		assertNotNull(template);
		lst = template.getTriples();
		assertEquals(1, lst.size());
		t = new Triple(NodeFactory.createURI("one"),
				NodeFactory.createURI("two"), NodeFactory.createURI("three"));
		assertEquals(t, lst.get(0));
	}

}