/*
 * 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.pig.test;

import static org.apache.pig.ExecType.LOCAL;
import static org.apache.pig.ExecType.MAPREDUCE;

import java.io.IOException;

import junit.framework.TestCase;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.pig.PigServer;
import org.apache.pig.ExecType;
import org.apache.pig.backend.executionengine.ExecException;
import org.junit.After;
import org.junit.Before;

public class TestParser extends TestCase {

protected final Log log = LogFactory.getLog(getClass());
    
    protected ExecType execType = MAPREDUCE;
    
    private MiniCluster cluster;
    protected PigServer pigServer;
    
    @Before
    @Override
    protected void setUp() throws Exception {
        
        String execTypeString = System.getProperty("test.exectype");
        if(execTypeString!=null && execTypeString.length()>0){
            execType = PigServer.parseExecType(execTypeString);
        }
        if(execType == MAPREDUCE) {
            cluster = MiniCluster.buildCluster();
            pigServer = new PigServer(MAPREDUCE, cluster.getProperties());
        } else {
            pigServer = new PigServer(LOCAL);
        }
    }

    @After
    @Override
    protected void tearDown() throws Exception {
        pigServer.shutdown();
    }

    public void testLoadingNonexistentFile() throws ExecException, IOException {
        try {
            // FIXME : this should be tested in all modes
            if(execType == ExecType.LOCAL)
                return;
            pigServer.registerQuery("vals = load 'nonexistentfile';");
            pigServer.openIterator("vals");
            fail("Loading a  nonexistent file should throw an IOException at parse time");
        } catch (IOException io) {
        }
    }
}