/*
* 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.pigunit.pig;
import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import junit.framework.Assert;
import org.apache.pig.ExecType;
import org.apache.pig.backend.executionengine.ExecException;
import org.apache.pig.pigunit.pig.GruntParser;
import org.apache.pig.pigunit.pig.PigServer;
import org.junit.Before;
import org.junit.Test;
public class TestGruntParser {
private GruntParser parser;
private Map<String, String> override;
@SuppressWarnings("serial")
@Before
public void setUp() throws ExecException {
override = new HashMap<String, String>() {{
put("STORE", "");
put("DUMP", "");
}};
PigServer pigServer = new PigServer(ExecType.LOCAL);
parser = new GruntParser(new StringReader(""), pigServer, override);
}
@Test
public void testRemoveStores() throws IOException {
Assert.assertEquals("", parser.override("STORE output INTO '/path';"));
override.remove("STORE");
Assert.assertEquals(
"STORE output INTO '/path';", parser.override("STORE output INTO '/path';"));
}
@Test
public void testRemoveDumps() throws IOException {
Assert.assertEquals("", parser.override("DUMP output;"));
override.remove("DUMP");
Assert.assertEquals("DUMP output;", parser.override("DUMP output;"));
}
@Test
public void testReplaceLoad() throws IOException {
override.put("A", "A = LOAD 'file';");
Assert.assertEquals(
"A = LOAD 'file';",
parser.override("A = LOAD 'input.txt' AS (query:CHARARRAY);"));
}
@Test
public void testGetStoreAlias() throws IOException {
override.remove("STORE");
parser.override("STORE output INTO '/path'");
Assert.assertEquals("output", override.get("LAST_STORE_ALIAS"));
}
@Test
public void testChangeRootDirectory() throws Exception {
Assert.assertEquals(
"A = LOAD 'input.txt';",
parser.override("A = LOAD 'input.txt';"));
System.setProperty("pigunit.filesystem.prefix", "/tmp/pigunit/");
Assert.assertEquals(
"A = LOAD '/tmp/pigunit/input.txt';",
parser.override("A = LOAD 'input.txt';"));
System.clearProperty("pigunit.filesystem.prefix");
Assert.assertEquals(
"A = LOAD 'input.txt';",
parser.override("A = LOAD 'input.txt';"));
}
}