| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.fs.s3a; |
| |
| import com.amazonaws.services.s3.model.ObjectMetadata; |
| import com.amazonaws.services.s3.model.S3Object; |
| import com.amazonaws.services.s3.model.S3ObjectInputStream; |
| |
| import org.apache.hadoop.fs.FSDataInputStream; |
| import org.apache.hadoop.fs.Path; |
| |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.Date; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| /** |
| * Uses mocks to check that the {@link S3ObjectInputStream} is closed when |
| * {@link org.apache.hadoop.fs.CanUnbuffer#unbuffer} is called. Unlike the |
| * other unbuffer tests, this specifically tests that the underlying S3 object |
| * stream is closed. |
| */ |
| public class TestS3AUnbuffer extends AbstractS3AMockTest { |
| |
| @Test |
| public void testUnbuffer() throws IOException { |
| // Create mock ObjectMetadata for getFileStatus() |
| Path path = new Path("/file"); |
| ObjectMetadata meta = mock(ObjectMetadata.class); |
| when(meta.getContentLength()).thenReturn(1L); |
| when(meta.getLastModified()).thenReturn(new Date(2L)); |
| when(meta.getETag()).thenReturn("mock-etag"); |
| when(s3.getObjectMetadata(any())).thenReturn(meta); |
| |
| // Create mock S3ObjectInputStream and S3Object for open() |
| S3ObjectInputStream objectStream = mock(S3ObjectInputStream.class); |
| when(objectStream.read()).thenReturn(-1); |
| |
| S3Object s3Object = mock(S3Object.class); |
| when(s3Object.getObjectContent()).thenReturn(objectStream); |
| when(s3Object.getObjectMetadata()).thenReturn(meta); |
| when(s3.getObject(any())).thenReturn(s3Object); |
| |
| // Call read and then unbuffer |
| FSDataInputStream stream = fs.open(path); |
| assertEquals(0, stream.read(new byte[8])); // mocks read 0 bytes |
| stream.unbuffer(); |
| |
| // Verify that unbuffer closed the object stream |
| verify(objectStream, times(1)).close(); |
| } |
| } |