| /** |
| * 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.heron.downloader; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.powermock.api.mockito.PowerMockito; |
| import org.powermock.core.classloader.annotations.PrepareForTest; |
| import org.powermock.modules.junit4.PowerMockRunner; |
| |
| import org.apache.distributedlog.DLSN; |
| import org.apache.distributedlog.DistributedLogConfiguration; |
| import org.apache.distributedlog.api.DistributedLogManager; |
| import org.apache.distributedlog.api.LogReader; |
| import org.apache.distributedlog.api.namespace.Namespace; |
| import org.apache.distributedlog.api.namespace.NamespaceBuilder; |
| import org.apache.distributedlog.exceptions.EndOfStreamException; |
| import org.apache.heron.dlog.DLInputStream; |
| |
| import static org.apache.heron.downloader.DLDownloader.CONF; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyBoolean; |
| import static org.mockito.Matchers.anyString; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| @RunWith(PowerMockRunner.class) |
| @PrepareForTest(Extractor.class) |
| public class DLDownloaderTest { |
| |
| @Test |
| public void testOpenInputStream() throws Exception { |
| Namespace ns = mock(Namespace.class); |
| DistributedLogManager dlm = mock(DistributedLogManager.class); |
| LogReader reader = mock(LogReader.class); |
| when(ns.openLog(anyString())).thenReturn(dlm); |
| when(dlm.getInputStream(eq(DLSN.InitialDLSN))).thenReturn(reader); |
| |
| InputStream is = DLDownloader.openInputStream(ns, "test-open-inputstream"); |
| assertTrue(is instanceof DLInputStream); |
| |
| is.close(); |
| verify(dlm, times(1)).close(); |
| verify(reader, times(1)).close(); |
| } |
| |
| @Test |
| public void testDownload() throws Exception { |
| String logName = "test-download"; |
| URI uri = URI.create("distributedlog://127.0.0.1/test/distributedlog/" + logName); |
| |
| File tempFile = File.createTempFile("test", "download"); |
| // make sure it is deleted when the test completes |
| tempFile.deleteOnExit(); |
| Path path = Paths.get(tempFile.toURI()); |
| |
| Namespace ns = mock(Namespace.class); |
| DistributedLogManager dlm = mock(DistributedLogManager.class); |
| LogReader reader = mock(LogReader.class); |
| when(ns.openLog(anyString())).thenReturn(dlm); |
| when(dlm.getInputStream(eq(DLSN.InitialDLSN))).thenReturn(reader); |
| when(reader.readNext(anyBoolean())).thenThrow(new EndOfStreamException("eos")); |
| |
| NamespaceBuilder nsBuilder = mock(NamespaceBuilder.class); |
| when(nsBuilder.clientId(anyString())).thenReturn(nsBuilder); |
| when(nsBuilder.conf(any(DistributedLogConfiguration.class))).thenReturn(nsBuilder); |
| when(nsBuilder.uri(any(URI.class))).thenReturn(nsBuilder); |
| when(nsBuilder.build()).thenReturn(ns); |
| |
| PowerMockito.mockStatic(Extractor.class); |
| PowerMockito.doNothing() |
| .when(Extractor.class, "extract", any(InputStream.class), any(Path.class)); |
| |
| DLDownloader downloader = new DLDownloader(() -> nsBuilder); |
| downloader.download(uri, path); |
| |
| URI parentUri = URI.create("distributedlog://127.0.0.1/test/distributedlog"); |
| verify(nsBuilder, times(1)).clientId(eq("heron-downloader")); |
| verify(nsBuilder, times(1)).conf(eq(CONF)); |
| verify(nsBuilder, times(1)).uri(parentUri); |
| |
| PowerMockito.verifyStatic(times(1)); |
| Extractor.extract(any(InputStream.class), eq(path)); |
| |
| verify(ns, times(1)).openLog(eq(logName)); |
| verify(ns, times(1)).close(); |
| } |
| |
| } |