/**
 *
 */
package org.apache.taverna.scufl2.translator.t2flow;
/*
 *
 * 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.
 *
*/


import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import java.net.URL;
import java.util.List;

import org.apache.taverna.scufl2.api.common.NamedSet;
import org.apache.taverna.scufl2.api.common.Scufl2Tools;
import org.apache.taverna.scufl2.api.container.WorkflowBundle;
import org.apache.taverna.scufl2.api.core.BlockingControlLink;
import org.apache.taverna.scufl2.api.core.Processor;
import org.apache.taverna.scufl2.api.core.Workflow;
import org.apache.taverna.scufl2.translator.t2flow.T2FlowParser;
import org.junit.Test;


/**
 * @author alanrw
 *
 */
public class TestT2FlowTranslator {

	private static final String AS_T2FLOW = "/as.t2flow";

	private static final String SLEEPERS_T2FLOW = "/sleepers.t2flow";
	
	private static Scufl2Tools scufl2Tools = new Scufl2Tools();

	@Test
	public void translateSimpleWorkflow() throws Exception {
		URL wfResource = getClass().getResource(AS_T2FLOW);
		assertNotNull("Could not find workflow " + AS_T2FLOW, wfResource);
		T2FlowParser parser = new T2FlowParser();
		parser.setStrict(true);
		@SuppressWarnings("unused")
		WorkflowBundle bundle = parser.parseT2Flow(wfResource.openStream());
	}
	
	@Test
	public void readControlLinks() throws Exception {
		URL wfResource = getClass().getResource(SLEEPERS_T2FLOW);
		assertNotNull("Could not find workflow " + SLEEPERS_T2FLOW, wfResource);
		T2FlowParser parser = new T2FlowParser();
		parser.setStrict(true);
		WorkflowBundle bundle = parser.parseT2Flow(wfResource.openStream());
		Workflow mainWorkflow = bundle.getMainWorkflow();
		NamedSet<Processor> processors = mainWorkflow.getProcessors();
		assertEquals(4, mainWorkflow.getControlLinks().size());
		
		List<BlockingControlLink> blocking2 = scufl2Tools.controlLinksBlocking(processors.getByName("second_sleeper"));
		assertEquals(1, blocking2.size());
		assertEquals("first_sleeper", blocking2.get(0).getUntilFinished().getName());
		
		List<BlockingControlLink> waiting2 = scufl2Tools.controlLinksWaitingFor(processors.getByName("second_sleeper"));
		assertEquals(1, waiting2.size());
		assertEquals("third_sleeper", waiting2.get(0).getBlock().getName());
		
		
		List<BlockingControlLink> blocking3 = scufl2Tools.controlLinksBlocking(processors.getByName("third_sleeper"));
		assertEquals(2, blocking3.size());
		assertEquals("second_sleeper", blocking3.get(0).getUntilFinished().getName());
		assertEquals("second_sleeper_2", blocking3.get(1).getUntilFinished().getName());
		
		
	}

}