/**
* 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;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.pig.impl.logicalLayer.FrontendException;
import org.apache.pig.parser.ParserException;
import org.apache.pig.parser.SourceLocation;
import org.apache.pig.test.TestPigRunner.TestNotificationListener;
import org.apache.pig.tools.parameters.ParameterSubstitutionException;
import org.apache.pig.tools.pigstats.PigStats;
import org.junit.Test;
public class TestMain {
private Log log = LogFactory.getLog(TestMain.class);
@Test
public void testCustomListener() {
Properties p = new Properties();
p.setProperty(Main.PROGRESS_NOTIFICATION_LISTENER_KEY, TestNotificationListener2.class.getName());
TestNotificationListener2 listener = (TestNotificationListener2) Main.makeListener(p);
assertEquals(TestNotificationListener2.class, Main.makeListener(p).getClass());
assertFalse(listener.hadArgs);
p.setProperty(Main.PROGRESS_NOTIFICATION_LISTENER_ARG_KEY, "foo");
listener = (TestNotificationListener2) Main.makeListener(p);
assertEquals(TestNotificationListener2.class, Main.makeListener(p).getClass());
assertTrue(listener.hadArgs);
}
@Test
public void testRun_setsErrorThrowableOnPigStats() {
File outputFile = null;
try {
String filename = this.getClass().getSimpleName() + "_" + "testRun_setsErrorThrowableOnPigStats";
outputFile = File.createTempFile(filename, ".out");
outputFile.delete();
File scriptFile = File.createTempFile(filename, ".pig");
BufferedWriter bw = new BufferedWriter(new FileWriter(scriptFile));
bw.write("a = load 'test/org/apache/pig/test/data/passwd';\n");
bw.write("b = group a by $0\n");
bw.write("c = foreach b generate group, COUNT(a) as cnt;\n");
bw.write("store c into 'out'\n");
bw.close();
Main.run(new String[]{"-x", "local", scriptFile.getAbsolutePath()}, null);
PigStats stats = PigStats.get();
Throwable t = stats.getErrorThrowable();
assertTrue(t instanceof FrontendException);
FrontendException fe = (FrontendException) t;
SourceLocation sl = fe.getSourceLocation();
assertEquals(2, sl.line());
assertEquals(15, sl.offset());
Throwable cause = fe.getCause();
assertTrue(cause instanceof ParserException);
} catch (Exception e) {
log.error("Encountered exception", e);
fail("Encountered Exception");
}
}
@Test
public void testRun_setsErrorThrowableForParamSubstitution() {
File outputFile = null;
try {
String filename = this.getClass().getSimpleName() + "_" + "testRun_setsErrorThrowableForParamSubstitution";
outputFile = File.createTempFile(filename, ".out");
outputFile.delete();
File scriptFile = File.createTempFile(filename, ".pig");
BufferedWriter bw = new BufferedWriter(new FileWriter(scriptFile));
bw.write("a = load '$NOEXIST';\n");
bw.write("b = group a by $0\n");
bw.write("c = foreach b generate group, COUNT(a) as cnt;\n");
bw.write("store c into 'out'\n");
bw.close();
Main.run(new String[]{"-x", "local", scriptFile.getAbsolutePath()}, null);
PigStats stats = PigStats.get();
Throwable t = stats.getErrorThrowable();
assertTrue(t instanceof IOException);
Throwable cause = t.getCause();
assertTrue(cause instanceof ParameterSubstitutionException);
ParameterSubstitutionException pse = (ParameterSubstitutionException) cause;
assertTrue(pse.getMessage().contains("NOEXIST"));
} catch (Exception e) {
log.error("Encountered exception", e);
fail("Encountered Exception");
}
}
public static class TestNotificationListener2 extends TestNotificationListener {
protected boolean hadArgs = false;
public TestNotificationListener2() {}
public TestNotificationListener2(String s) {
hadArgs = true;
}
}
}