| /** |
| * 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.hadoop.hdfs.web; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.fail; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.net.URL; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.hdfs.TestByteRangeInputStream.MockHttpURLConnection; |
| import org.apache.hadoop.hdfs.web.WebHdfsFileSystem.OffsetUrlInputStream; |
| import org.apache.hadoop.hdfs.web.WebHdfsFileSystem.OffsetUrlOpener; |
| import org.junit.Test; |
| |
| public class TestOffsetUrlInputStream { |
| @Test |
| public void testRemoveOffset() throws IOException { |
| { //no offset |
| String s = "http://test/Abc?Length=99"; |
| assertEquals(s, WebHdfsFileSystem.removeOffsetParam(new URL(s)).toString()); |
| } |
| |
| { //no parameters |
| String s = "http://test/Abc"; |
| assertEquals(s, WebHdfsFileSystem.removeOffsetParam(new URL(s)).toString()); |
| } |
| |
| { //offset as first parameter |
| String s = "http://test/Abc?offset=10&Length=99"; |
| assertEquals("http://test/Abc?Length=99", |
| WebHdfsFileSystem.removeOffsetParam(new URL(s)).toString()); |
| } |
| |
| { //offset as second parameter |
| String s = "http://test/Abc?op=read&OFFset=10&Length=99"; |
| assertEquals("http://test/Abc?op=read&Length=99", |
| WebHdfsFileSystem.removeOffsetParam(new URL(s)).toString()); |
| } |
| |
| { //offset as last parameter |
| String s = "http://test/Abc?Length=99&offset=10"; |
| assertEquals("http://test/Abc?Length=99", |
| WebHdfsFileSystem.removeOffsetParam(new URL(s)).toString()); |
| } |
| |
| { //offset as the only parameter |
| String s = "http://test/Abc?offset=10"; |
| assertEquals("http://test/Abc", |
| WebHdfsFileSystem.removeOffsetParam(new URL(s)).toString()); |
| } |
| } |
| |
| @Test |
| public void testByteRange() throws Exception { |
| final Configuration conf = new Configuration(); |
| final String uri = WebHdfsFileSystem.SCHEME + "://localhost:50070/"; |
| final WebHdfsFileSystem webhdfs = (WebHdfsFileSystem)FileSystem.get(new URI(uri), conf); |
| |
| OffsetUrlOpener ospy = spy(webhdfs.new OffsetUrlOpener(new URL("http://test/"))); |
| doReturn(new MockHttpURLConnection(ospy.getURL())).when(ospy) |
| .openConnection(); |
| OffsetUrlOpener rspy = spy(webhdfs.new OffsetUrlOpener((URL) null)); |
| doReturn(new MockHttpURLConnection(rspy.getURL())).when(rspy) |
| .openConnection(); |
| final OffsetUrlInputStream is = new OffsetUrlInputStream(ospy, rspy); |
| |
| assertEquals("getPos wrong", 0, is.getPos()); |
| |
| is.read(); |
| |
| assertNull("Initial call made incorrectly (Range Check)", ospy |
| .openConnection().getRequestProperty("Range")); |
| |
| assertEquals("getPos should be 1 after reading one byte", 1, is.getPos()); |
| |
| is.read(); |
| |
| assertEquals("getPos should be 2 after reading two bytes", 2, is.getPos()); |
| |
| // No additional connections should have been made (no seek) |
| |
| rspy.setURL(new URL("http://resolvedurl/")); |
| |
| is.seek(100); |
| is.read(); |
| |
| assertEquals("getPos should be 101 after reading one byte", 101, |
| is.getPos()); |
| |
| verify(rspy, times(1)).openConnection(); |
| |
| is.seek(101); |
| is.read(); |
| |
| verify(rspy, times(1)).openConnection(); |
| |
| // Seek to 101 should not result in another request" |
| |
| is.seek(2500); |
| is.read(); |
| |
| ((MockHttpURLConnection) rspy.openConnection()).setResponseCode(206); |
| is.seek(0); |
| |
| try { |
| is.read(); |
| fail("Exception should be thrown when 206 response is given " |
| + "but 200 is expected"); |
| } catch (IOException e) { |
| WebHdfsFileSystem.LOG.info(e.toString()); |
| } |
| } |
| } |