opendaylight/config/config-persister-directory-adapter/src/test/java/org/opendaylight/controller/config/persist/storage/directory/DirectoryStorageAdapterTest.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.directory;
  10
  11 import com.google.common.base.Optional;
  12 import org.apache.commons.io.IOUtils;
  13 import org.junit.Before;
  14 import org.junit.Test;
  15 import org.opendaylight.controller.config.persist.api.ConfigSnapshotHolder;
  16
  17 import java.io.File;
  18 import java.io.IOException;
  19 import java.util.SortedSet;
  20 import java.util.TreeSet;
  21
  22 import static org.junit.Assert.assertEquals;
  23 import static org.junit.Assert.assertTrue;
  24 import static org.junit.Assert.fail;
  25
  26 public class DirectoryStorageAdapterTest {
  27     DirectoryPersister tested;
  28     SortedSet<String> expectedCapabilities;
  29     String expectedSnapshot;
  30
  31     @Before
  32     public void setUp() throws Exception {
  33         expectedCapabilities = new TreeSet<>(IOUtils.readLines(getClass().getResourceAsStream("/expectedCapabilities.txt")));
  34         expectedSnapshot = IOUtils.toString(getClass().getResourceAsStream("/expectedSnapshot.xml"));
  35     }
  36
  37     @Test
  38     public void testEmptyDirectory() throws Exception {
  39         File folder = new File("target/emptyFolder");
  40         folder.mkdir();
  41         tested = new DirectoryPersister((folder));
  42         assertEquals(Optional.<ConfigSnapshotHolder>absent(), tested.loadLastConfig());
  43
  44         try {
  45             tested.persistConfig(new ConfigSnapshotHolder() {
  46                 @Override
  47                 public String getConfigSnapshot() {
  48                     throw new RuntimeException();
  49                 }
  50
  51                 @Override
  52                 public SortedSet<String> getCapabilities() {
  53                     throw new RuntimeException();
  54                 }
  55             });
  56             fail();
  57         } catch (UnsupportedOperationException e) {
  58
  59         }
  60     }
  61
  62     private File getFolder(String folderName) {
  63         File result = new File(("src/test/resources/" +
  64                 folderName).replace("/", File.separator));
  65         assertTrue(result + " is not a directory", result.isDirectory());
  66         return result;
  67     }
  68
  69     @Test
  70     public void testOneFile() throws Exception {
  71         File folder = getFolder("oneFile");
  72         tested = new DirectoryPersister((folder));
  73         assertExpected();
  74     }
  75
  76     private void assertExpected() throws IOException {
  77         Optional<ConfigSnapshotHolder> maybeResult = tested.loadLastConfig();
  78         assertTrue(maybeResult.isPresent());
  79         ConfigSnapshotHolder result = maybeResult.get();
  80         assertEquals(expectedCapabilities, result.getCapabilities());
  81         assertEquals(expectedSnapshot, result.getConfigSnapshot());
  82     }
  83
  84     @Test
  85     public void testTwoFiles() throws Exception {
  86         File folder = getFolder("twoFiles");
  87         tested = new DirectoryPersister((folder));
  88         assertExpected();
  89     }
  90
  91 }