| /* |
| * 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.drill.exec.vector.accessor; |
| |
| import org.apache.drill.categories.VectorTest; |
| import org.apache.drill.exec.proto.UserBitShared; |
| import org.apache.drill.exec.vector.ValueVector; |
| import org.apache.drill.test.BaseTest; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| |
| 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 static org.mockito.Matchers.anyInt; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| @Category(VectorTest.class) |
| public class GenericAccessorTest extends BaseTest { |
| |
| public static final Object NON_NULL_VALUE = "Non-null value"; |
| |
| private GenericAccessor genericAccessor; |
| private ValueVector valueVector; |
| private ValueVector.Accessor accessor; |
| private UserBitShared.SerializedField metadata; |
| |
| @Before |
| public void setUp() throws Exception { |
| // Set up a mock accessor that has two columns, one non-null and one null |
| accessor = mock(ValueVector.Accessor.class); |
| when(accessor.getObject(anyInt())).thenAnswer(new Answer<Object>() { |
| |
| @Override |
| public Object answer(InvocationOnMock invocationOnMock) throws Throwable { |
| Object[] args = invocationOnMock.getArguments(); |
| Integer index = (Integer) args[0]; |
| if(index == 0) { |
| return NON_NULL_VALUE; |
| } |
| if(index == 1) { |
| return null; |
| } |
| throw new IndexOutOfBoundsException("Index out of bounds"); |
| } |
| }); |
| when(accessor.isNull(anyInt())).thenAnswer(new Answer<Object>() { |
| |
| @Override |
| public Object answer(InvocationOnMock invocationOnMock) throws Throwable { |
| Object[] args = invocationOnMock.getArguments(); |
| Integer index = (Integer) args[0]; |
| if(index == 0) { |
| return false; |
| } |
| return true; |
| } |
| }); |
| |
| metadata = UserBitShared.SerializedField.getDefaultInstance(); |
| valueVector = mock(ValueVector.class); |
| when(valueVector.getAccessor()).thenReturn(accessor); |
| when(valueVector.getMetadata()).thenReturn(metadata); |
| |
| genericAccessor = new GenericAccessor(valueVector); |
| } |
| |
| @Test |
| public void testIsNull() throws Exception { |
| assertFalse(genericAccessor.isNull(0)); |
| assertTrue(genericAccessor.isNull(1)); |
| } |
| |
| @Test |
| public void testGetObject() throws Exception { |
| assertEquals(NON_NULL_VALUE, genericAccessor.getObject(0)); |
| assertNull(genericAccessor.getObject(1)); |
| } |
| |
| @Test(expected=IndexOutOfBoundsException.class) |
| public void testGetObject_indexOutOfBounds() throws Exception { |
| genericAccessor.getObject(2); |
| } |
| |
| @Test |
| public void testGetType() throws Exception { |
| assertEquals(UserBitShared.SerializedField.getDefaultInstance().getMajorType(), genericAccessor.getType()); |
| } |
| } |