/*
 * 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.permissions.graph;

import java.util.Set;

import org.apache.jena.graph.Graph;
import org.apache.jena.graph.GraphEventManager;
import org.apache.jena.graph.NodeFactory;
import org.apache.jena.graph.Triple;
import org.apache.jena.permissions.Factory;
import org.apache.jena.permissions.MockSecurityEvaluator;
import org.apache.jena.permissions.SecurityEvaluator;
import org.apache.jena.permissions.SecurityEvaluatorParameters;
import org.apache.jena.permissions.SecurityEvaluator.Action;
import org.apache.jena.permissions.graph.SecuredGraph;
import org.apache.jena.sparql.graph.GraphFactory;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

/**
 * Verifies that messages are properly filtered when sent to listeners.
 *
 */
@RunWith(value = SecurityEvaluatorParameters.class)
public class GraphEventManagerTest {
	private final GraphEventManager manager;
	private final Graph g;
	private final SecuredGraph sg;
	private final SecurityEvaluator securityEvaluator;
	private Triple[] tripleArray;

	private final RecordingGraphListener listener;

	public GraphEventManagerTest(final MockSecurityEvaluator securityEvaluator) {
		this.securityEvaluator = securityEvaluator;
		g = GraphFactory.createDefaultGraph();

		sg = Factory.getInstance(securityEvaluator,
				"http://example.com/testGraph", g);
		manager = sg.getEventManager();
		listener = new RecordingGraphListener();
		manager.register(listener);

	}

	@Test
	public void notifyAddTest() {
		Object principal = securityEvaluator.getPrincipal();
		final Set<Action> ADD = SecurityEvaluator.Util.asSet(new Action[] {
				Action.Create, Action.Read });
		g.add(tripleArray[0]);
		if (securityEvaluator.evaluateAny(principal, ADD, sg.getModelNode())) {
			Assert.assertTrue("Should recorded add", listener.isAdd());
		} else {
			Assert.assertFalse("Should not have recorded add", listener.isAdd());
		}
		g.delete(Triple.ANY);
		listener.reset();
	}

	@Test
	public void notifyDeleteTest() {
		Object principal = securityEvaluator.getPrincipal();
		final Set<Action> DELETE = SecurityEvaluator.Util.asSet(new Action[] {
				Action.Delete, Action.Read });
		g.delete(tripleArray[0]);
		if (securityEvaluator.evaluateAny(principal, DELETE, sg.getModelNode())) {
			Assert.assertTrue("Should have recorded delete",
					listener.isDelete());
		} else {
			Assert.assertFalse("Should not have recorded delete",
					listener.isDelete());
		}

		listener.reset();

	}

	@Test
	public void notifyEventTest() {
		g.getEventManager().notifyEvent(g, "Foo");
		Assert.assertTrue("Should recorded delete", listener.isEvent());
		listener.reset();
		// final RecordingGraphListener listener2 = new
		// RecordingGraphListener();
		// g.getEventManager().register(listener2);
		sg.getEventManager().notifyEvent(sg, "Foo");
		Assert.assertTrue("Should recorded delete", listener.isEvent());
		// Assert.assertTrue("Should recorded delete", listener2.isEvent());
		listener.reset();

	}

	@Before
	public void setup() {
		tripleArray = new Triple[] {
				new Triple(NodeFactory.createURI("http://example.com/1"),
						NodeFactory.createURI("http://example.com/v"),
						NodeFactory.createBlankNode()),
				new Triple(NodeFactory.createURI("http://example.com/2"),
						NodeFactory.createURI("http://example.com/v"),
						NodeFactory.createBlankNode()),
				new Triple(NodeFactory.createURI("http://example.com/3"),
						NodeFactory.createURI("http://example.com/v"),
						NodeFactory.createBlankNode()) };

	}
}
