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LessThanExpressionUnitTest.java
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LessThanExpressionUnitTest.java
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/*
* 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.carbondata.core.scan.expression.conditional;
import java.math.BigDecimal;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.carbondata.core.metadata.datatype.DataTypes;
import org.apache.carbondata.core.scan.expression.ColumnExpression;
import org.apache.carbondata.core.scan.expression.ExpressionResult;
import org.apache.carbondata.core.scan.expression.exception.FilterIllegalMemberException;
import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedException;
import org.apache.carbondata.core.scan.filter.intf.RowImpl;
import mockit.Mock;
import mockit.MockUp;
import org.apache.spark.sql.types.Decimal;
import org.junit.Test;
import static junit.framework.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class LessThanExpressionUnitTest {
static LessThanExpression lessThanExpression;
@Test public void testEvaluateForLessThanExpressionWithStringDataType()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression left = new ColumnExpression("left_name", DataTypes.STRING);
left.setColIndex(0);
ColumnExpression right = new ColumnExpression("right_name", DataTypes.STRING);
right.setColIndex(1);
lessThanExpression = new LessThanExpression(left, right);
RowImpl value = new RowImpl();
String[] row = { "First String Value" };
String[] row1 = { "string1" };
Object objectRow[] = { row, row1 };
new MockUp<ExpressionResult>() {
Boolean returnMockFlag = true;
@Mock public String getString() {
if (returnMockFlag) {
returnMockFlag = false;
return "First String Value";
} else {
return "string1";
}
}
};
value.setValues(objectRow);
ExpressionResult result = lessThanExpression.evaluate(value);
assertTrue(result.getBoolean());
}
@Test public void testEvaluateForLessThanExpressionWithShortDataType()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression right = new ColumnExpression("id", DataTypes.SHORT);
right.setColIndex(0);
ColumnExpression left = new ColumnExpression("id", DataTypes.SHORT);
left.setColIndex(1);
lessThanExpression = new LessThanExpression(left, right);
RowImpl value = new RowImpl();
Short[] row = { 7052 };
Short[] row1 = { 7450 };
Object objectRow[] = { row, row1 };
value.setValues(objectRow);
new MockUp<ExpressionResult>() {
Boolean returnMockFlag = true;
@Mock public Short getShort() {
if (returnMockFlag) {
returnMockFlag = false;
return 7052;
} else {
return 7450;
}
}
};
ExpressionResult result = lessThanExpression.evaluate(value);
assertTrue(result.getBoolean());
}
@Test public void testEvaluateForLessThanExpressionWithDoubleDataType()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression right = new ColumnExpression("right_contact", DataTypes.DOUBLE);
right.setColIndex(0);
ColumnExpression left = new ColumnExpression("left_contact", DataTypes.DOUBLE);
left.setColIndex(1);
lessThanExpression = new LessThanExpression(left, right);
RowImpl value = new RowImpl();
Double[] row = { 2087D };
Double[] row1 = { 4454D };
Object objectRow[] = { row1, row };
value.setValues(objectRow);
new MockUp<ExpressionResult>() {
Boolean returnMockFlag = true;
@Mock public Double getDouble() {
if (returnMockFlag) {
returnMockFlag = false;
return 2087D;
} else {
return 4454D;
}
}
};
ExpressionResult result = lessThanExpression.evaluate(value);
assertTrue(result.getBoolean());
}
@Test public void testEvaluateForLessThanExpressionWithIntDataType()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression right = new ColumnExpression("right_number", DataTypes.INT);
right.setColIndex(0);
ColumnExpression left = new ColumnExpression("left_number", DataTypes.INT);
left.setColIndex(1);
lessThanExpression = new LessThanExpression(left, right);
RowImpl value = new RowImpl();
Integer[] row = { 1550 };
Integer[] row1 = { 1420 };
Object objectRow[] = { row, row1 };
value.setValues(objectRow);
new MockUp<ExpressionResult>() {
Boolean returnMockFlag = true;
@Mock public Integer getInt() {
if (returnMockFlag) {
returnMockFlag = false;
return 1420;
} else {
return 1550;
}
}
};
ExpressionResult result = lessThanExpression.evaluate(value);
assertTrue(result.getBoolean());
}
@Test public void testEvaluateForLessThanExpressionWithTimestampDataType()
throws FilterUnsupportedException, FilterIllegalMemberException {
try {
ColumnExpression left = new ColumnExpression("timestamp", DataTypes.TIMESTAMP);
left.setColIndex(0);
ColumnExpression right = new ColumnExpression("timestamp", DataTypes.TIMESTAMP);
right.setColIndex(1);
lessThanExpression = new LessThanExpression(left, right);
RowImpl value = new RowImpl();
DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy");
Date date = dateFormat.parse("23/09/2007");
long time = date.getTime();
Timestamp[] row = { new Timestamp(time) };
Date date1 = dateFormat.parse("24/09/2007");
long time1 = date1.getTime();
Timestamp[] row1 = { new Timestamp(time1) };
Object objectRow[] = { row, row1 };
value.setValues(objectRow);
new MockUp<ExpressionResult>() {
Boolean returnMockFlag = true;
@Mock public Long getTime() {
if (returnMockFlag) {
returnMockFlag = false;
return 1190505600L;
} else {
return 1190592000L;
}
}
};
ExpressionResult result = lessThanExpression.evaluate(value);
assertTrue(result.getBoolean());
} catch (ParseException e) {
System.out.println("Error while parsing " + e.getMessage());
}
}
@Test public void testEvaluateForLessThanExpressionWithLongDataType()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression right = new ColumnExpression("contact", DataTypes.LONG);
right.setColIndex(0);
ColumnExpression left = new ColumnExpression("contact", DataTypes.LONG);
left.setColIndex(1);
lessThanExpression = new LessThanExpression(left, right);
RowImpl value = new RowImpl();
Long[] row = { 14523656L };
Long[] row1 = { 12456325L };
Object objectRow[] = { row1, row };
value.setValues(objectRow);
new MockUp<ExpressionResult>() {
Boolean returnMockFlag = true;
@Mock public Long getLong() {
if (returnMockFlag) {
returnMockFlag = false;
return 12456325L;
} else {
return 14523656L;
}
}
};
ExpressionResult result = lessThanExpression.evaluate(value);
assertTrue(result.getBoolean());
}
@Test public void testEvaluateForLessThanExpressionWithDecimalDataType()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression right = new ColumnExpression("contact", DataTypes.createDefaultDecimalType());
right.setColIndex(0);
ColumnExpression left = new ColumnExpression("contact", DataTypes.createDefaultDecimalType());
left.setColIndex(1);
lessThanExpression = new LessThanExpression(left, right);
RowImpl value = new RowImpl();
Decimal[] row = new Decimal[] { Decimal.apply(256324.0) };
Decimal[] row1 = new Decimal[] { Decimal.apply(123451245.0) };
Object objectRow[] = { row1, row };
value.setValues(objectRow);
new MockUp<ExpressionResult>() {
Boolean returnMockFlag = true;
@Mock public BigDecimal getDecimal() {
if (returnMockFlag) {
returnMockFlag = false;
return new BigDecimal(256324.0);
} else {
return new BigDecimal(123451245.0);
}
}
};
ExpressionResult result = lessThanExpression.evaluate(value);
assertTrue(result.getBoolean());
}
@Test public void testForLessThanExpressionWithDefaultCase()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression right = new ColumnExpression("contact", DataTypes.BOOLEAN);
right.setColIndex(0);
lessThanExpression = new LessThanExpression(right, right);
RowImpl value = new RowImpl();
Boolean[] row = { true };
Object objectRow[] = { row };
value.setValues(objectRow);
lessThanExpression.evaluate(value);
}
@Test public void testEvaluateForLessThanExpressionWithIsNullReturnTrue()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression right = new ColumnExpression("id", DataTypes.SHORT);
right.setColIndex(0);
lessThanExpression = new LessThanExpression(right, right);
RowImpl value = new RowImpl();
Short[] row = { 15 };
Object objectRow[] = { row };
value.setValues(objectRow);
new MockUp<ExpressionResult>() {
@Mock public boolean isNull() {
return true;
}
};
new MockUp<ExpressionResult>() {
@Mock public Short getShort() {
return 15;
}
};
ExpressionResult result = lessThanExpression.evaluate(value);
assertFalse(result.getBoolean());
}
@Test public void testEvaluateForLessThanExpressionWithLeftAndRightDifferentDataType()
throws FilterUnsupportedException, FilterIllegalMemberException {
ColumnExpression left = new ColumnExpression("name", DataTypes.STRING);
left.setColIndex(0);
ColumnExpression right = new ColumnExpression("number", DataTypes.INT);
right.setColIndex(1);
lessThanExpression = new LessThanExpression(left, right);
RowImpl value = new RowImpl();
String[] row = { "S" };
Integer[] row1 = { 1864 };
Object objectRow[] = { row, row1 };
value.setValues(objectRow);
new MockUp<ExpressionResult>() {
Boolean returnMockFlag = true;
@Mock public Integer getInt() {
if (returnMockFlag) {
returnMockFlag = false;
return 84;
} else {
return 1864;
}
}
};
ExpressionResult result = lessThanExpression.evaluate(value);
assertTrue(result.getBoolean());
}
@Test public void testForLessThanExpressionWithGetString() throws Exception {
ColumnExpression right = new ColumnExpression("right_name", DataTypes.STRING);
right.setColIndex(0);
ColumnExpression left = new ColumnExpression("left_name", DataTypes.STRING);
left.setColIndex(0);
lessThanExpression = new LessThanExpression(left, right);
String expected_result = "LessThan(ColumnExpression(left_name),ColumnExpression(right_name))";
String result = lessThanExpression.getString();
assertEquals(expected_result, result);
}
}