| /** |
| * 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.tools.offlineImageViewer; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.fail; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.hdfs.tools.offlineImageViewer.ImageVisitor.ImageElement; |
| import org.junit.Test; |
| |
| /** |
| * Test that the DelimitedImageVisistor gives the expected output based |
| * on predetermined inputs |
| */ |
| public class TestDelimitedImageVisitor { |
| private static String ROOT = System.getProperty("test.build.data","/tmp"); |
| private static final String delim = "--"; |
| |
| // Record an element in the visitor and build the expected line in the output |
| private void build(DelimitedImageVisitor div, ImageElement elem, String val, |
| StringBuilder sb, boolean includeDelim) throws IOException { |
| div.visit(elem, val); |
| sb.append(val); |
| |
| if(includeDelim) |
| sb.append(delim); |
| } |
| |
| @Test |
| public void testDelimitedImageVisistor() { |
| String filename = ROOT + "/testDIV"; |
| File f = new File(filename); |
| BufferedReader br = null; |
| StringBuilder sb = new StringBuilder(); |
| |
| try { |
| DelimitedImageVisitor div = new DelimitedImageVisitor(filename, true, delim); |
| |
| div.visit(ImageElement.FS_IMAGE, "Not in ouput"); |
| div.visitEnclosingElement(ImageElement.INODE); |
| div.visit(ImageElement.LAYOUT_VERSION, "not in"); |
| div.visit(ImageElement.LAYOUT_VERSION, "the output"); |
| |
| build(div, ImageElement.INODE_PATH, "hartnell", sb, true); |
| build(div, ImageElement.REPLICATION, "99", sb, true); |
| build(div, ImageElement.MODIFICATION_TIME, "troughton", sb, true); |
| build(div, ImageElement.ACCESS_TIME, "pertwee", sb, true); |
| build(div, ImageElement.BLOCK_SIZE, "baker", sb, true); |
| build(div, ImageElement.NUM_BLOCKS, "davison", sb, true); |
| build(div, ImageElement.NUM_BYTES, "55", sb, true); |
| build(div, ImageElement.NS_QUOTA, "baker2", sb, true); |
| build(div, ImageElement.DS_QUOTA, "mccoy", sb, true); |
| build(div, ImageElement.PERMISSION_STRING, "eccleston", sb, true); |
| build(div, ImageElement.USER_NAME, "tennant", sb, true); |
| build(div, ImageElement.GROUP_NAME, "smith", sb, false); |
| |
| div.leaveEnclosingElement(); // INode |
| div.finish(); |
| |
| br = new BufferedReader(new FileReader(f)); |
| String actual = br.readLine(); |
| |
| // Should only get one line |
| assertNull(br.readLine()); |
| br.close(); |
| |
| String exepcted = sb.toString(); |
| System.out.println("Expect to get: " + exepcted); |
| System.out.println("Actually got: " + actual); |
| assertEquals(exepcted, actual); |
| |
| } catch (IOException e) { |
| fail("Error while testing delmitedImageVisitor" + e.getMessage()); |
| } finally { |
| if(f.exists()) |
| f.delete(); |
| } |
| } |
| } |