| /* |
| * 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.util; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| import org.apache.carbondata.core.metadata.datatype.DataTypes; |
| import org.apache.carbondata.core.metadata.schema.table.column.CarbonMeasure; |
| import org.apache.carbondata.core.metadata.schema.table.column.ColumnSchema; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import static junit.framework.TestCase.assertEquals; |
| import static junit.framework.TestCase.assertTrue; |
| import static org.apache.carbondata.core.util.DataTypeUtil.bigDecimalToByte; |
| import static org.apache.carbondata.core.util.DataTypeUtil.byteToBigDecimal; |
| import static org.apache.carbondata.core.util.DataTypeUtil.getMeasureValueBasedOnDataType; |
| import static org.apache.carbondata.core.util.DataTypeUtil.normalizeIntAndLongValues; |
| |
| public class DataTypeUtilTest { |
| |
| @Test public void testGetColumnDataTypeDisplayName() { |
| String expected = DataTypes.INT.getName(); |
| String result = "INT"; |
| assertEquals(expected, result); |
| |
| } |
| |
| @Test public void testByteToBigDecimal() { |
| byte[] byteArr = { 0, 0 }; |
| byte[] unscale = new byte[byteArr.length - 1]; |
| BigInteger bigInteger = new BigInteger(unscale); |
| BigDecimal expected = new BigDecimal(bigInteger, 0); |
| BigDecimal result = byteToBigDecimal(byteArr); |
| assertEquals(expected, result); |
| |
| } |
| |
| @Test public void testBigDecimalToByte() { |
| byte[] result = bigDecimalToByte(BigDecimal.ONE); |
| assertTrue(result == result); |
| } |
| |
| @Test public void testGetMeasureValueBasedOnDataType() { |
| ColumnSchema columnSchema = new ColumnSchema(); |
| CarbonMeasure carbonMeasure = new CarbonMeasure(columnSchema, 1); |
| Object resultInt = getMeasureValueBasedOnDataType("1", DataTypes.INT, carbonMeasure.getScale(), carbonMeasure.getPrecision()); |
| Object expectedInt = Double.valueOf(1).intValue(); |
| assertEquals(expectedInt, resultInt); |
| Object resultLong = getMeasureValueBasedOnDataType("1", DataTypes.LONG, carbonMeasure.getScale(), carbonMeasure.getPrecision()); |
| Object expectedLong = Long.valueOf(1); |
| assertEquals(expectedLong, resultLong); |
| Object resultDefault = getMeasureValueBasedOnDataType("1", DataTypes.DOUBLE, carbonMeasure.getScale(), carbonMeasure.getPrecision()); |
| Double expectedDefault = Double.valueOf(1); |
| assertEquals(expectedDefault, resultDefault); |
| |
| } |
| |
| @Test public void testNormalizeIntAndLongValues() throws NumberFormatException { |
| assertEquals(null, normalizeIntAndLongValues("INT", DataTypes.INT)); |
| assertEquals("1", normalizeIntAndLongValues("1", DataTypes.STRING)); |
| |
| } |
| |
| @Test public void testGetDataBasedOnDataTypeForNoDictionaryColumn() { |
| Object result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0], |
| DataTypes.INT); |
| Assert.assertTrue(result == null); |
| result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0], |
| DataTypes.SHORT); |
| Assert.assertTrue(result == null); |
| result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0], |
| DataTypes.LONG); |
| Assert.assertTrue(result == null); |
| result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0], |
| DataTypes.TIMESTAMP); |
| Assert.assertTrue(result == null); |
| result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0], |
| DataTypes.STRING); |
| Assert.assertTrue(result != null); |
| } |
| |
| } |
| |
| |