opendaylight/config/config-persister-file-adapter/src/test/java/org/opendaylight/controller/config/persist/storage/file/FileStorageAdapterTest.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.config.persist.storage.file;
  10
  11 import com.google.common.base.Charsets;
  12 import com.google.common.base.Predicate;
  13 import com.google.common.collect.Collections2;
  14 import org.junit.Before;
  15 import org.junit.Test;
  16 import org.mockito.Mockito;
  17 import org.opendaylight.controller.config.persist.api.ConfigSnapshotHolder;
  18
  19 import java.io.File;
  20 import java.nio.file.Files;
  21 import java.util.Collection;
  22 import java.util.List;
  23 import java.util.SortedSet;
  24 import java.util.TreeSet;
  25
  26 import static junit.framework.Assert.assertFalse;
  27 import static org.hamcrest.CoreMatchers.is;
  28 import static org.junit.Assert.assertEquals;
  29 import static org.junit.Assert.assertThat;
  30
  31 public class FileStorageAdapterTest {
  32
  33     private static int i;
  34     private File file;
  35
  36     @Before
  37     public void setUp() throws Exception {
  38         file = Files.createTempFile("testFilePersist", ".txt").toFile();
  39         if (!file.exists())
  40             return;
  41         com.google.common.io.Files.write("", file, Charsets.UTF_8);
  42         i = 1;
  43     }
  44
  45     @Test
  46     public void testFileAdapter() throws Exception {
  47         FileStorageAdapter storage = new FileStorageAdapter();
  48         storage.setFileStorage(file);
  49         storage.setNumberOfBackups(Integer.MAX_VALUE);
  50         final ConfigSnapshotHolder holder = new ConfigSnapshotHolder() {
  51             @Override
  52             public String getConfigSnapshot() {
  53                 return createConfig();
  54             }
  55
  56             @Override
  57             public SortedSet<String> getCapabilities() {
  58                 return createCaps();
  59             }
  60         };
  61         storage.persistConfig(holder);
  62
  63         storage.persistConfig(holder);
  64
  65         Collection<String> readLines = Collections2.filter(com.google.common.io.Files.readLines(file, Charsets.UTF_8),
  66                 new Predicate<String>() {
  67
  68                     @Override
  69                     public boolean apply(String input) {
  70                         if (input.equals(""))
  71                             return false;
  72                         return true;
  73                     }
  74                 });
  75         assertEquals(14, readLines.size());
  76
  77         List<ConfigSnapshotHolder> lastConf = storage.loadLastConfigs();
  78         assertEquals(1, lastConf.size());
  79         ConfigSnapshotHolder configSnapshotHolder = lastConf.get(0);
  80         assertEquals("<config>2</config>",
  81                 configSnapshotHolder.getConfigSnapshot().replaceAll("\\s", ""));
  82         assertEquals(createCaps(), configSnapshotHolder.getCapabilities());
  83     }
  84
  85     private SortedSet<String> createCaps() {
  86         SortedSet<String> caps = new TreeSet<>();
  87
  88         caps.add("cap1");
  89         caps.add("cap2");
  90         caps.add("capaaaa as dasfasdf s2");
  91         return caps;
  92     }
  93
  94     @Test
  95     public void testFileAdapterOneBackup() throws Exception {
  96         FileStorageAdapter storage = new FileStorageAdapter();
  97         storage.setFileStorage(file);
  98         storage.setNumberOfBackups(1);
  99         final ConfigSnapshotHolder holder = new ConfigSnapshotHolder() {
 100             @Override
 101             public String getConfigSnapshot() {
 102                 return createConfig();
 103             }
 104
 105             @Override
 106             public SortedSet<String> getCapabilities() {
 107                 return createCaps();
 108             }
 109         };
 110         storage.persistConfig(holder);
 111
 112         storage.persistConfig(holder);
 113
 114         Collection<String> readLines = Collections2.filter(com.google.common.io.Files.readLines(file, Charsets.UTF_8),
 115                 new Predicate<String>() {
 116
 117                     @Override
 118                     public boolean apply(String input) {
 119                         if (input.equals(""))
 120                             return false;
 121                         return true;
 122                     }
 123                 });
 124         assertEquals(7, readLines.size());
 125
 126         List<ConfigSnapshotHolder> lastConf = storage.loadLastConfigs();
 127         assertEquals(1, lastConf.size());
 128         ConfigSnapshotHolder configSnapshotHolder = lastConf.get(0);
 129         assertEquals("<config>2</config>",
 130                 configSnapshotHolder.getConfigSnapshot().replaceAll("\\s", ""));
 131     }
 132
 133     @Test
 134     public void testFileAdapterOnlyTwoBackups() throws Exception {
 135         FileStorageAdapter storage = new FileStorageAdapter();
 136         storage.setFileStorage(file);
 137         storage.setNumberOfBackups(2);
 138         final ConfigSnapshotHolder holder = new ConfigSnapshotHolder() {
 139             @Override
 140             public String getConfigSnapshot() {
 141                 return createConfig();
 142             }
 143
 144             @Override
 145             public SortedSet<String> getCapabilities() {
 146                 return createCaps();
 147             }
 148         };
 149         storage.persistConfig(holder);
 150
 151         storage.persistConfig(holder);
 152         storage.persistConfig(holder);
 153
 154         Collection<String> readLines = Collections2.filter(com.google.common.io.Files.readLines(file, Charsets.UTF_8),
 155                 new Predicate<String>() {
 156
 157                     @Override
 158                     public boolean apply(String input) {
 159                         if (input.equals(""))
 160                             return false;
 161                         return true;
 162                     }
 163                 });
 164
 165         assertEquals(14, readLines.size());
 166
 167         List<ConfigSnapshotHolder> lastConf = storage.loadLastConfigs();
 168         assertEquals(1, lastConf.size());
 169         ConfigSnapshotHolder configSnapshotHolder = lastConf.get(0);
 170         assertEquals("<config>3</config>",
 171                 configSnapshotHolder.getConfigSnapshot().replaceAll("\\s", ""));
 172         assertFalse(readLines.contains(holder.getConfigSnapshot()));
 173     }
 174
 175     @Test
 176     public void testNoLastConfig() throws Exception {
 177         File file = Files.createTempFile("testFilePersist", ".txt").toFile();
 178         if (!file.exists())
 179             return;
 180         FileStorageAdapter storage = new FileStorageAdapter();
 181         storage.setFileStorage(file);
 182
 183         List<ConfigSnapshotHolder> elementOptional = storage.loadLastConfigs();
 184         assertThat(elementOptional.size(), is(0));
 185     }
 186
 187     @Test(expected = NullPointerException.class)
 188     public void testNoProperties() throws Exception {
 189         FileStorageAdapter storage = new FileStorageAdapter();
 190         storage.loadLastConfigs();
 191     }
 192
 193     @Test(expected = NullPointerException.class)
 194     public void testNoProperties2() throws Exception {
 195         FileStorageAdapter storage = new FileStorageAdapter();
 196         storage.persistConfig(new ConfigSnapshotHolder() {
 197             @Override
 198             public String getConfigSnapshot() {
 199                 return Mockito.mock(String.class);
 200             }
 201
 202             @Override
 203             public SortedSet<String> getCapabilities() {
 204                 return new TreeSet<>();
 205             }
 206         } );
 207     }
 208
 209     static String createConfig() {
 210         return "<config>" + i++ + "</config>";
 211     }
 212
 213 }