/*
* 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.tools.grunt;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import org.apache.pig.ExecType;
import org.apache.pig.PigServer;
import org.apache.pig.tools.grunt.GruntParser.ExplainState;
import org.junit.Before;
import org.junit.Test;
public class TestGruntParser {
private GruntParser parser;
static PigServer pig;
@Before
public void setup() throws IOException {
pig = new PigServer(ExecType.LOCAL);
}
@Test
public void testProcessRemove() throws IOException {
File tmpFile = File.createTempFile("TestGruntParser", "testProcessRemove");
String dummyScript = "";
parser = new GruntParser(new ByteArrayInputStream(dummyScript.getBytes()), pig);
//Delete existing file and check that it doesn't exist
parser.processRemove(tmpFile.getAbsolutePath(), "");
assertFalse(tmpFile.exists());
//Delete non-existing file and check for exception
try {
parser.processRemove(tmpFile.getAbsolutePath(), "");
fail("processRemove should throw exception when deleting missing file.");
} catch (IOException e) {
//Yay
}
//Delete non-existing file with force, no exception
parser.processRemove(tmpFile.getAbsolutePath(), "force");
//Ensure that remove isn't processed when in explain mode
tmpFile = File.createTempFile("TestGruntParser", "testProcessRemove");
parser.setExplainState(new ExplainState("","","",false,""));
parser.processRemove(tmpFile.getAbsolutePath(), "force");
assertTrue(tmpFile.exists());
}
}