| /** |
| * 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.hcatalog.data; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; |
| import org.apache.hadoop.hive.serde2.typeinfo.TypeInfo; |
| import org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo; |
| import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoFactory; |
| import org.apache.hcatalog.data.schema.HCatSchema; |
| import org.apache.hcatalog.data.schema.HCatSchemaUtils; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestLazyHCatRecord { |
| |
| private final int INT_CONST = 789; |
| private final long LONG_CONST = 5000000000L; |
| private final double DOUBLE_CONST = 3.141592654; |
| private final String STRING_CONST = "hello world"; |
| |
| @Test |
| public void testGet() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| Assert.assertEquals(INT_CONST, ((Integer) r.get(0)).intValue()); |
| Assert.assertEquals(LONG_CONST, ((Long) r.get(1)).longValue()); |
| Assert.assertEquals(DOUBLE_CONST, ((Double) r.get(2)).doubleValue(), 0); |
| Assert.assertEquals(STRING_CONST, (String) r.get(3)); |
| } |
| |
| @Test |
| public void testGetWithName() throws Exception { |
| TypeInfo ti = getTypeInfo(); |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector(ti)); |
| HCatSchema schema = HCatSchemaUtils.getHCatSchema(ti) |
| .get(0).getStructSubSchema(); |
| Assert.assertEquals(INT_CONST, ((Integer) r.get("an_int", schema)).intValue()); |
| Assert.assertEquals(LONG_CONST, ((Long) r.get("a_long", schema)).longValue()); |
| Assert.assertEquals(DOUBLE_CONST, ((Double) r.get("a_double", schema)).doubleValue(), 0); |
| Assert.assertEquals(STRING_CONST, (String) r.get("a_string", schema)); |
| } |
| |
| @Test |
| public void testGetAll() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| List<Object> list = r.getAll(); |
| Assert.assertEquals(INT_CONST, ((Integer) list.get(0)).intValue()); |
| Assert.assertEquals(LONG_CONST, ((Long) list.get(1)).longValue()); |
| Assert.assertEquals(DOUBLE_CONST, ((Double) list.get(2)).doubleValue(), 0); |
| Assert.assertEquals(STRING_CONST, (String) list.get(3)); |
| } |
| |
| @Test |
| public void testSet() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| boolean sawException = false; |
| try { |
| r.set(3, "Mary had a little lamb"); |
| } catch (UnsupportedOperationException uoe) { |
| sawException = true; |
| } |
| Assert.assertTrue(sawException); |
| } |
| |
| @Test |
| public void testSize() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| Assert.assertEquals(4, r.size()); |
| } |
| |
| @Test |
| public void testReadFields() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| boolean sawException = false; |
| try { |
| r.readFields(null); |
| } catch (UnsupportedOperationException uoe) { |
| sawException = true; |
| } |
| Assert.assertTrue(sawException); |
| } |
| |
| @Test |
| public void testWrite() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| boolean sawException = false; |
| try { |
| r.write(null); |
| } catch (UnsupportedOperationException uoe) { |
| sawException = true; |
| } |
| Assert.assertTrue(sawException); |
| } |
| |
| @Test |
| public void testSetWithName() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| boolean sawException = false; |
| try { |
| r.set("fred", null, "bob"); |
| } catch (UnsupportedOperationException uoe) { |
| sawException = true; |
| } |
| Assert.assertTrue(sawException); |
| } |
| |
| @Test |
| public void testRemove() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| boolean sawException = false; |
| try { |
| r.remove(0); |
| } catch (UnsupportedOperationException uoe) { |
| sawException = true; |
| } |
| Assert.assertTrue(sawException); |
| } |
| |
| @Test |
| public void testCopy() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()); |
| boolean sawException = false; |
| try { |
| r.copy(null); |
| } catch (UnsupportedOperationException uoe) { |
| sawException = true; |
| } |
| Assert.assertTrue(sawException); |
| } |
| |
| @Test |
| public void testGetWritable() throws Exception { |
| HCatRecord r = new LazyHCatRecord(getHCatRecord(), getObjectInspector()).getWritable(); |
| Assert.assertEquals(INT_CONST, ((Integer) r.get(0)).intValue()); |
| Assert.assertEquals(LONG_CONST, ((Long) r.get(1)).longValue()); |
| Assert.assertEquals(DOUBLE_CONST, ((Double) r.get(2)).doubleValue(), 0); |
| Assert.assertEquals(STRING_CONST, (String) r.get(3)); |
| Assert.assertEquals("org.apache.hcatalog.data.DefaultHCatRecord", r.getClass().getName()); |
| } |
| |
| private HCatRecord getHCatRecord() throws Exception { |
| List<Object> rec_1 = new ArrayList<Object>(4); |
| rec_1.add( new Integer(INT_CONST)); |
| rec_1.add( new Long(LONG_CONST)); |
| rec_1.add( new Double(DOUBLE_CONST)); |
| rec_1.add( new String(STRING_CONST)); |
| |
| return new DefaultHCatRecord(rec_1); |
| } |
| |
| private TypeInfo getTypeInfo() throws Exception { |
| List<String> names = new ArrayList<String>(4); |
| names.add("an_int"); |
| names.add("a_long"); |
| names.add("a_double"); |
| names.add("a_string"); |
| |
| List<TypeInfo> tis = new ArrayList<TypeInfo>(4); |
| tis.add(TypeInfoFactory.getPrimitiveTypeInfo("int")); |
| tis.add(TypeInfoFactory.getPrimitiveTypeInfo("bigint")); |
| tis.add(TypeInfoFactory.getPrimitiveTypeInfo("double")); |
| tis.add(TypeInfoFactory.getPrimitiveTypeInfo("string")); |
| |
| return TypeInfoFactory.getStructTypeInfo(names, tis); |
| } |
| |
| private ObjectInspector getObjectInspector(TypeInfo ti) throws Exception { |
| return HCatRecordObjectInspectorFactory.getHCatRecordObjectInspector((StructTypeInfo)ti); |
| } |
| |
| private ObjectInspector getObjectInspector() throws Exception { |
| return HCatRecordObjectInspectorFactory.getHCatRecordObjectInspector( |
| (StructTypeInfo)getTypeInfo()); |
| } |
| } |