/*
* 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.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.HashMap;
import java.util.Map;
import org.apache.pig.backend.executionengine.ExecException;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.POStatus;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.Result;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.ConstantExpression;
import org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.EqualToExpr;
import org.apache.pig.data.DataByteArray;
import org.apache.pig.data.DataType;
import org.apache.pig.data.Tuple;
import org.apache.pig.data.TupleFactory;
import org.apache.pig.test.utils.GenPhyOp;
import org.joda.time.DateTime;
import org.junit.Test;
public class TestEqualTo {
@Test
public void testBooleanNe() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(Boolean.TRUE);
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(Boolean.FALSE);
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.BOOLEAN);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testBooleanEq() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(Boolean.TRUE);
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(Boolean.TRUE);
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.BOOLEAN);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testBooleanAndNullValues() throws Exception {
checkNullValues(DataType.BOOLEAN, Boolean.TRUE);
}
@Test
public void testIntegerNe() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new Integer(1));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new Integer(0));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.INTEGER);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testIntegerEq() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new Integer(1));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new Integer(1));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.INTEGER);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testIntegerAndNullValues() throws Exception {
checkNullValues(DataType.INTEGER, new Integer(1));
}
@Test
public void testLongNe() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new Long(1L));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new Long(0L));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.LONG);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testLongEq() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new Long(1L));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new Long(1L));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.LONG);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testLongAndNullValues() throws Exception {
checkNullValues(DataType.LONG, new Long(1));
}
@Test
public void testFloatNe() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new Float(0.0f));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new Float(1.0f));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.FLOAT);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testFloatEq() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new Float(1.0f));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new Float(1.0f));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.FLOAT);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testFloatAndNullValues() throws Exception {
checkNullValues(DataType.FLOAT, new Float(1.0f));
}
@Test
public void testDoubleNe() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new Double(0.0));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new Double(1.0));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.DOUBLE);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testDoubleEq() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new Double(1.0));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new Double(1.0));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.DOUBLE);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testDoubleAndNullValues() throws Exception {
checkNullValues(DataType.DOUBLE, new Double(1.0));
}
@Test
public void testDateTimeNe() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new DateTime(1L));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new DateTime(0L));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.DATETIME);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testDateTimeEq() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new DateTime(1L));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new DateTime(1L));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.DATETIME);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testDateTimeAndNullValues() throws Exception {
checkNullValues(DataType.DATETIME, new DateTime(1L));
}
@Test
public void testStringNe() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new String("a"));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new String("b"));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.CHARARRAY);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testStringEq() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new String("b"));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new String("b"));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.CHARARRAY);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testStringAndNullValues() throws Exception {
checkNullValues(DataType.CHARARRAY, new String("b"));
}
@Test
public void testDataByteArrayNe() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new DataByteArray("a"));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new DataByteArray("b"));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.BYTEARRAY);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testDataByteArrayEq() throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(new DataByteArray("b"));
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(new DataByteArray("b"));
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.BYTEARRAY);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testTupleEq() throws ExecException {
Tuple tuple_1 = TupleFactory.getInstance().newTuple("item_1");
Tuple tuple_2 = TupleFactory.getInstance().newTuple("item_1");
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(tuple_1);
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(tuple_2);
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.TUPLE);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testTupleNe() throws ExecException {
Tuple tuple_1 = TupleFactory.getInstance().newTuple("item_1");
Tuple tuple_2 = TupleFactory.getInstance().newTuple("item_2");
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(tuple_1);
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(tuple_2);
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.TUPLE);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testMapEq() throws ExecException {
Map map_1 = new HashMap();
map_1.put("key_1", "value_1");
Map map_2 = new HashMap();
map_2.put("key_1", "value_1");
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(map_1);
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(map_2);
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.MAP);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertTrue((Boolean)r.result);
}
@Test
public void testMapNe() throws ExecException {
Map map_1 = new HashMap();
map_1.put("key_1", "value_1");
Map map_2 = new HashMap();
map_2.put("key_1", "value_2");
Tuple tuple_2 = TupleFactory.getInstance().newTuple("item_2");
ConstantExpression lt = GenPhyOp.exprConst();
lt.setValue(map_1);
ConstantExpression rt = GenPhyOp.exprConst();
rt.setValue(map_2);
EqualToExpr g = GenPhyOp.compEqualToExpr();
g.setLhs(lt);
g.setRhs(rt);
g.setOperandType(DataType.MAP);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertFalse((Boolean)r.result);
}
@Test
public void testDataByteArrayAndNullValues() throws Exception {
checkNullValues(DataType.BYTEARRAY, new DataByteArray("b"));
}
public <U> void checkNullValues(byte operandType, U value) throws Exception {
ConstantExpression lt = GenPhyOp.exprConst();
ConstantExpression rt = GenPhyOp.exprConst();
EqualToExpr g = GenPhyOp.compEqualToExpr();
// test with null in lhs
g.setOperandType(operandType);
lt.setValue(null);
rt.setValue(value);
g.setLhs(lt);
g.setRhs(rt);
Result r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertNull(r.result);
// test with null in rhs
g.setOperandType(operandType);
lt.setValue(value);
rt.setValue(null);
g.setLhs(lt);
g.setRhs(rt);
r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertNull(r.result);
// test with null in lhs and rhs
g.setOperandType(operandType);
lt.setValue(null);
rt.setValue(null);
g.setLhs(lt);
g.setRhs(rt);
r = g.getNextBoolean();
assertEquals(POStatus.STATUS_OK, r.returnStatus);
assertNull(r.result);
}
}