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 java.io.File;
  15 import java.nio.file.Files;
  16 import java.util.Collection;
  17 import java.util.List;
  18 import java.util.SortedSet;
  19 import java.util.TreeSet;
  20 import org.junit.Before;
  21 import org.junit.Test;
  22 import org.mockito.Mockito;
  23 import org.opendaylight.controller.config.persist.api.ConfigSnapshotHolder;
  24 import org.opendaylight.controller.config.persist.api.Persister;
  25 import org.opendaylight.controller.config.persist.test.PropertiesProviderTest;
  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
  46     @Test
  47     public void testFileAdapterAsPersister() throws Exception {
  48         FileStorageAdapter storage = new FileStorageAdapter();
  49         PropertiesProviderTest pp = new PropertiesProviderTest();
  50         pp.addProperty("fileStorage",file.getPath());
  51         pp.addProperty("numberOfBackups",Integer.toString(Integer.MAX_VALUE));
  52
  53         Persister configPersister = storage.instantiate(pp);
  54         final ConfigSnapshotHolder holder = new ConfigSnapshotHolder() {
  55             @Override
  56             public String getConfigSnapshot() {
  57                 return createConfig();
  58             }
  59
  60             @Override
  61             public SortedSet<String> getCapabilities() {
  62                 return createCaps();
  63             }
  64         };
  65         configPersister.persistConfig(holder);
  66
  67         configPersister.persistConfig(holder);
  68
  69         Collection<String> readLines = Collections2.filter(com.google.common.io.Files.readLines(file, Charsets.UTF_8),
  70                 new Predicate<String>() {
  71
  72                     @Override
  73                     public boolean apply(String input) {
  74                         if (input.equals(""))
  75                             return false;
  76                         return true;
  77                     }
  78                 });
  79         assertEquals(14, readLines.size());
  80
  81         List<ConfigSnapshotHolder> lastConf = storage.loadLastConfigs();
  82         assertEquals(1, lastConf.size());
  83         ConfigSnapshotHolder configSnapshotHolder = lastConf.get(0);
  84         assertEquals("<config>2</config>",
  85                 configSnapshotHolder.getConfigSnapshot().replaceAll("\\s", ""));
  86         assertEquals(createCaps(), configSnapshotHolder.getCapabilities());
  87     }
  88     @Test
  89     public void testFileAdapter() throws Exception {
  90         FileStorageAdapter storage = new FileStorageAdapter();
  91         storage.setFileStorage(file);
  92         storage.setNumberOfBackups(Integer.MAX_VALUE);
  93         final ConfigSnapshotHolder holder = new ConfigSnapshotHolder() {
  94             @Override
  95             public String getConfigSnapshot() {
  96                 return createConfig();
  97             }
  98
  99             @Override
 100             public SortedSet<String> getCapabilities() {
 101                 return createCaps();
 102             }
 103         };
 104         storage.persistConfig(holder);
 105
 106         storage.persistConfig(holder);
 107
 108         Collection<String> readLines = Collections2.filter(com.google.common.io.Files.readLines(file, Charsets.UTF_8),
 109                 new Predicate<String>() {
 110
 111                     @Override
 112                     public boolean apply(String input) {
 113                         if (input.equals(""))
 114                             return false;
 115                         return true;
 116                     }
 117                 });
 118         assertEquals(14, readLines.size());
 119
 120         List<ConfigSnapshotHolder> lastConf = storage.loadLastConfigs();
 121         assertEquals(1, lastConf.size());
 122         ConfigSnapshotHolder configSnapshotHolder = lastConf.get(0);
 123         assertEquals("<config>2</config>",
 124                 configSnapshotHolder.getConfigSnapshot().replaceAll("\\s", ""));
 125         assertEquals(createCaps(), configSnapshotHolder.getCapabilities());
 126     }
 127
 128     private SortedSet<String> createCaps() {
 129         SortedSet<String> caps = new TreeSet<>();
 130
 131         caps.add("cap1");
 132         caps.add("cap2");
 133         caps.add("capaaaa as dasfasdf s2");
 134         return caps;
 135     }
 136
 137     @Test
 138     public void testFileAdapterOneBackup() throws Exception {
 139         FileStorageAdapter storage = new FileStorageAdapter();
 140         storage.setFileStorage(file);
 141         storage.setNumberOfBackups(1);
 142         final ConfigSnapshotHolder holder = new ConfigSnapshotHolder() {
 143             @Override
 144             public String getConfigSnapshot() {
 145                 return createConfig();
 146             }
 147
 148             @Override
 149             public SortedSet<String> getCapabilities() {
 150                 return createCaps();
 151             }
 152         };
 153         storage.persistConfig(holder);
 154
 155         storage.persistConfig(holder);
 156
 157         Collection<String> readLines = Collections2.filter(com.google.common.io.Files.readLines(file, Charsets.UTF_8),
 158                 new Predicate<String>() {
 159
 160                     @Override
 161                     public boolean apply(String input) {
 162                         if (input.equals(""))
 163                             return false;
 164                         return true;
 165                     }
 166                 });
 167         assertEquals(7, readLines.size());
 168
 169         List<ConfigSnapshotHolder> lastConf = storage.loadLastConfigs();
 170         assertEquals(1, lastConf.size());
 171         ConfigSnapshotHolder configSnapshotHolder = lastConf.get(0);
 172         assertEquals("<config>2</config>",
 173                 configSnapshotHolder.getConfigSnapshot().replaceAll("\\s", ""));
 174     }
 175
 176     @Test
 177     public void testFileAdapterOnlyTwoBackups() throws Exception {
 178         FileStorageAdapter storage = new FileStorageAdapter();
 179         storage.setFileStorage(file);
 180         storage.setNumberOfBackups(2);
 181         final ConfigSnapshotHolder holder = new ConfigSnapshotHolder() {
 182             @Override
 183             public String getConfigSnapshot() {
 184                 return createConfig();
 185             }
 186
 187             @Override
 188             public SortedSet<String> getCapabilities() {
 189                 return createCaps();
 190             }
 191         };
 192         storage.persistConfig(holder);
 193
 194         storage.persistConfig(holder);
 195         storage.persistConfig(holder);
 196
 197         Collection<String> readLines = Collections2.filter(com.google.common.io.Files.readLines(file, Charsets.UTF_8),
 198                 new Predicate<String>() {
 199
 200                     @Override
 201                     public boolean apply(String input) {
 202                         if (input.equals(""))
 203                             return false;
 204                         return true;
 205                     }
 206                 });
 207
 208         assertEquals(14, readLines.size());
 209
 210         List<ConfigSnapshotHolder> lastConf = storage.loadLastConfigs();
 211         assertEquals(1, lastConf.size());
 212         ConfigSnapshotHolder configSnapshotHolder = lastConf.get(0);
 213         assertEquals("<config>3</config>",
 214                 configSnapshotHolder.getConfigSnapshot().replaceAll("\\s", ""));
 215         assertFalse(readLines.contains(holder.getConfigSnapshot()));
 216     }
 217
 218     @Test
 219     public void testNoLastConfig() throws Exception {
 220         File file = Files.createTempFile("testFilePersist", ".txt").toFile();
 221         if (!file.exists())
 222             return;
 223         FileStorageAdapter storage = new FileStorageAdapter();
 224         storage.setFileStorage(file);
 225
 226         List<ConfigSnapshotHolder> elementOptional = storage.loadLastConfigs();
 227         assertThat(elementOptional.size(), is(0));
 228     }
 229
 230     @Test(expected = NullPointerException.class)
 231     public void testNoProperties() throws Exception {
 232         FileStorageAdapter storage = new FileStorageAdapter();
 233         storage.loadLastConfigs();
 234     }
 235
 236     @Test(expected = NullPointerException.class)
 237     public void testNoProperties2() throws Exception {
 238         FileStorageAdapter storage = new FileStorageAdapter();
 239         storage.persistConfig(new ConfigSnapshotHolder() {
 240             @Override
 241             public String getConfigSnapshot() {
 242                 return Mockito.mock(String.class);
 243             }
 244
 245             @Override
 246             public SortedSet<String> getCapabilities() {
 247                 return new TreeSet<>();
 248             }
 249         } );
 250     }
 251
 252     static String createConfig() {
 253         return "<config>" + i++ + "</config>";
 254     }
 255
 256 }