src/test/java/net/pterodactylus/sone/core/FreenetInterfaceTest.java

   1 package net.pterodactylus.sone.core;
   2
   3 import static freenet.client.InsertException.CANCELLED;
   4 import static freenet.client.InsertException.INTERNAL_ERROR;
   5 import static freenet.keys.InsertableClientSSK.createRandom;
   6 import static freenet.node.RequestStarter.INTERACTIVE_PRIORITY_CLASS;
   7 import static freenet.node.RequestStarter.PREFETCH_PRIORITY_CLASS;
   8 import static net.pterodactylus.sone.Matchers.delivers;
   9 import static net.pterodactylus.sone.TestUtil.setFinalField;
  10 import static org.hamcrest.MatcherAssert.assertThat;
  11 import static org.hamcrest.Matchers.is;
  12 import static org.hamcrest.Matchers.notNullValue;
  13 import static org.hamcrest.Matchers.nullValue;
  14 import static org.mockito.ArgumentCaptor.forClass;
  15 import static org.mockito.Matchers.any;
  16 import static org.mockito.Matchers.anyBoolean;
  17 import static org.mockito.Matchers.anyShort;
  18 import static org.mockito.Matchers.eq;
  19 import static org.mockito.Mockito.doNothing;
  20 import static org.mockito.Mockito.mock;
  21 import static org.mockito.Mockito.never;
  22 import static org.mockito.Mockito.times;
  23 import static org.mockito.Mockito.verify;
  24 import static org.mockito.Mockito.when;
  25 import static org.mockito.Mockito.withSettings;
  26
  27 import java.io.IOException;
  28 import java.net.MalformedURLException;
  29 import java.util.HashMap;
  30
  31 import net.pterodactylus.sone.TestUtil;
  32 import net.pterodactylus.sone.core.FreenetInterface.Callback;
  33 import net.pterodactylus.sone.core.FreenetInterface.Fetched;
  34 import net.pterodactylus.sone.core.FreenetInterface.InsertToken;
  35 import net.pterodactylus.sone.core.FreenetInterface.InsertTokenSupplier;
  36 import net.pterodactylus.sone.core.event.ImageInsertAbortedEvent;
  37 import net.pterodactylus.sone.core.event.ImageInsertFailedEvent;
  38 import net.pterodactylus.sone.core.event.ImageInsertFinishedEvent;
  39 import net.pterodactylus.sone.core.event.ImageInsertStartedEvent;
  40 import net.pterodactylus.sone.data.Image;
  41 import net.pterodactylus.sone.data.ImageImpl;
  42 import net.pterodactylus.sone.data.Sone;
  43 import net.pterodactylus.sone.data.TemporaryImage;
  44 import net.pterodactylus.sone.freenet.StringBucket;
  45
  46 import freenet.client.ClientMetadata;
  47 import freenet.client.FetchException;
  48 import freenet.client.FetchResult;
  49 import freenet.client.HighLevelSimpleClient;
  50 import freenet.client.InsertBlock;
  51 import freenet.client.InsertContext;
  52 import freenet.client.InsertException;
  53 import freenet.client.async.ClientPutter;
  54 import freenet.client.async.USKCallback;
  55 import freenet.client.async.USKManager;
  56 import freenet.crypt.DummyRandomSource;
  57 import freenet.crypt.RandomSource;
  58 import freenet.keys.FreenetURI;
  59 import freenet.keys.InsertableClientSSK;
  60 import freenet.keys.USK;
  61 import freenet.node.Node;
  62 import freenet.node.NodeClientCore;
  63 import freenet.node.RequestClient;
  64 import freenet.support.Base64;
  65 import freenet.support.api.Bucket;
  66
  67 import com.google.common.eventbus.EventBus;
  68 import org.junit.Before;
  69 import org.junit.Test;
  70 import org.mockito.ArgumentCaptor;
  71
  72 /**
  73  * Unit test for {@link FreenetInterface}.
  74  *
  75  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  76  */
  77 public class FreenetInterfaceTest {
  78
  79         private final EventBus eventBus = mock(EventBus.class);
  80         private final Node node = mock(Node.class);
  81         private final NodeClientCore nodeClientCore = mock(NodeClientCore.class);
  82         private final HighLevelSimpleClient highLevelSimpleClient = mock(HighLevelSimpleClient.class, withSettings().extraInterfaces(RequestClient.class));
  83         private final RandomSource randomSource = new DummyRandomSource();
  84         private final USKManager uskManager = mock(USKManager.class);
  85         private FreenetInterface freenetInterface;
  86         private final Sone sone = mock(Sone.class);
  87         private final ArgumentCaptor<USKCallback> callbackCaptor = forClass(USKCallback.class);
  88         private final Image image = mock(Image.class);
  89         private InsertToken insertToken;
  90
  91         @Before
  92         public void setupFreenetInterface() {
  93                 when(nodeClientCore.makeClient(anyShort(), anyBoolean(), anyBoolean())).thenReturn(highLevelSimpleClient);
  94                 setFinalField(node, "clientCore", nodeClientCore);
  95                 setFinalField(node, "random", randomSource);
  96                 setFinalField(nodeClientCore, "uskManager", uskManager);
  97                 freenetInterface = new FreenetInterface(eventBus, node);
  98                 insertToken = freenetInterface.new InsertToken(image);
  99         }
 100
 101         @Before
 102         public void setupSone() {
 103                 InsertableClientSSK insertSsk = createRandom(randomSource, "test-0");
 104                 when(sone.getId()).thenReturn(Base64.encode(insertSsk.getURI().getRoutingKey()));
 105                 when(sone.getRequestUri()).thenReturn(insertSsk.getURI().uskForSSK());
 106         }
 107
 108         @Before
 109         public void setupCallbackCaptorAndUskManager() {
 110                 doNothing().when(uskManager).subscribe(any(USK.class), callbackCaptor.capture(), anyBoolean(), any(RequestClient.class));
 111         }
 112
 113         @Test
 114         public void canFetchUri() throws MalformedURLException, FetchException {
 115                 FreenetURI freenetUri = new FreenetURI("KSK@GPLv3.txt");
 116                 FetchResult fetchResult = createFetchResult();
 117                 when(highLevelSimpleClient.fetch(freenetUri)).thenReturn(fetchResult);
 118                 Fetched fetched = freenetInterface.fetchUri(freenetUri);
 119                 assertThat(fetched, notNullValue());
 120                 assertThat(fetched.getFetchResult(), is(fetchResult));
 121                 assertThat(fetched.getFreenetUri(), is(freenetUri));
 122         }
 123
 124         @Test
 125         public void fetchFollowsRedirect() throws MalformedURLException, FetchException {
 126                 FreenetURI freenetUri = new FreenetURI("KSK@GPLv2.txt");
 127                 FreenetURI newFreenetUri = new FreenetURI("KSK@GPLv3.txt");
 128                 FetchResult fetchResult = createFetchResult();
 129                 FetchException fetchException = new FetchException(FetchException.PERMANENT_REDIRECT, newFreenetUri);
 130                 when(highLevelSimpleClient.fetch(freenetUri)).thenThrow(fetchException);
 131                 when(highLevelSimpleClient.fetch(newFreenetUri)).thenReturn(fetchResult);
 132                 Fetched fetched = freenetInterface.fetchUri(freenetUri);
 133                 assertThat(fetched.getFetchResult(), is(fetchResult));
 134                 assertThat(fetched.getFreenetUri(), is(newFreenetUri));
 135         }
 136
 137         @Test
 138         public void fetchReturnsNullOnFetchExceptions() throws MalformedURLException, FetchException {
 139                 FreenetURI freenetUri = new FreenetURI("KSK@GPLv2.txt");
 140                 FetchException fetchException = new FetchException(FetchException.ALL_DATA_NOT_FOUND);
 141                 when(highLevelSimpleClient.fetch(freenetUri)).thenThrow(fetchException);
 142                 Fetched fetched = freenetInterface.fetchUri(freenetUri);
 143                 assertThat(fetched, nullValue());
 144         }
 145
 146         private FetchResult createFetchResult() {
 147                 ClientMetadata clientMetadata = new ClientMetadata("text/plain");
 148                 Bucket bucket = new StringBucket("Some Data.");
 149                 return new FetchResult(clientMetadata, bucket);
 150         }
 151
 152         @Test
 153         public void insertingAnImage() throws SoneException, InsertException, IOException {
 154                 TemporaryImage temporaryImage = new TemporaryImage("image-id");
 155                 temporaryImage.setMimeType("image/png");
 156                 byte[] imageData = new byte[] { 1, 2, 3, 4 };
 157                 temporaryImage.setImageData(imageData);
 158                 Image image = new ImageImpl("image-id");
 159                 InsertToken insertToken = freenetInterface.new InsertToken(image);
 160                 InsertContext insertContext = mock(InsertContext.class);
 161                 when(highLevelSimpleClient.getInsertContext(anyBoolean())).thenReturn(insertContext);
 162                 ClientPutter clientPutter = mock(ClientPutter.class);
 163                 ArgumentCaptor<InsertBlock> insertBlockCaptor = forClass(InsertBlock.class);
 164                 when(highLevelSimpleClient.insert(insertBlockCaptor.capture(), eq(false), eq((String) null), eq(false), eq(insertContext), eq(insertToken), anyShort())).thenReturn(clientPutter);
 165                 freenetInterface.insertImage(temporaryImage, image, insertToken);
 166                 assertThat(insertBlockCaptor.getValue().getData().getInputStream(), delivers(new byte[] { 1, 2, 3, 4 }));
 167                 assertThat(TestUtil.<ClientPutter>getPrivateField(insertToken, "clientPutter"), is(clientPutter));
 168                 verify(eventBus).post(any(ImageInsertStartedEvent.class));
 169         }
 170
 171         @Test(expected = SoneInsertException.class)
 172         public void insertExceptionCausesASoneException() throws InsertException, SoneException, IOException {
 173                 TemporaryImage temporaryImage = new TemporaryImage("image-id");
 174                 temporaryImage.setMimeType("image/png");
 175                 byte[] imageData = new byte[] { 1, 2, 3, 4 };
 176                 temporaryImage.setImageData(imageData);
 177                 Image image = new ImageImpl("image-id");
 178                 InsertToken insertToken = freenetInterface.new InsertToken(image);
 179                 InsertContext insertContext = mock(InsertContext.class);
 180                 when(highLevelSimpleClient.getInsertContext(anyBoolean())).thenReturn(insertContext);
 181                 ArgumentCaptor<InsertBlock> insertBlockCaptor = forClass(InsertBlock.class);
 182                 when(highLevelSimpleClient.insert(insertBlockCaptor.capture(), eq(false), eq((String) null), eq(false), eq(insertContext), eq(insertToken), anyShort())).thenThrow(InsertException.class);
 183                 freenetInterface.insertImage(temporaryImage, image, insertToken);
 184         }
 185
 186         @Test
 187         public void insertingADirectory() throws InsertException, SoneException {
 188                 FreenetURI freenetUri = mock(FreenetURI.class);
 189                 HashMap<String, Object> manifestEntries = new HashMap<String, Object>();
 190                 String defaultFile = "index.html";
 191                 FreenetURI resultingUri = mock(FreenetURI.class);
 192                 when(highLevelSimpleClient.insertManifest(eq(freenetUri), eq(manifestEntries), eq(defaultFile))).thenReturn(resultingUri);
 193                 assertThat(freenetInterface.insertDirectory(freenetUri, manifestEntries, defaultFile), is(resultingUri));
 194         }
 195
 196         @Test(expected = SoneException.class)
 197         public void insertExceptionIsForwardedAsSoneException() throws InsertException, SoneException {
 198                 when(highLevelSimpleClient.insertManifest(any(FreenetURI.class), any(HashMap.class), any(String.class))).thenThrow(InsertException.class);
 199                 freenetInterface.insertDirectory(null, null, null);
 200         }
 201
 202         @Test
 203         public void soneWithWrongRequestUriWillNotBeSubscribed() throws MalformedURLException {
 204                 when(sone.getRequestUri()).thenReturn(new FreenetURI("KSK@GPLv3.txt"));
 205                 freenetInterface.registerUsk(new FreenetURI("KSK@GPLv3.txt"), null);
 206                 verify(uskManager, never()).subscribe(any(USK.class), any(USKCallback.class), anyBoolean(), any(RequestClient.class));
 207         }
 208
 209         @Test
 210         public void registeringAUsk() {
 211                 FreenetURI freenetUri = createRandom(randomSource, "test-0").getURI().uskForSSK();
 212                 Callback callback = mock(Callback.class);
 213                 freenetInterface.registerUsk(freenetUri, callback);
 214                 verify(uskManager).subscribe(any(USK.class), any(USKCallback.class), anyBoolean(), eq((RequestClient) highLevelSimpleClient));
 215         }
 216
 217         @Test
 218         public void registeringANonUskKeyWillNotBeSubscribed() throws MalformedURLException {
 219                 FreenetURI freenetUri = new FreenetURI("KSK@GPLv3.txt");
 220                 Callback callback = mock(Callback.class);
 221                 freenetInterface.registerUsk(freenetUri, callback);
 222                 verify(uskManager, never()).subscribe(any(USK.class), any(USKCallback.class), anyBoolean(), eq((RequestClient) highLevelSimpleClient));
 223         }
 224
 225         @Test
 226         public void unregisteringANotRegisteredUskDoesNothing() {
 227                 FreenetURI freenetURI = createRandom(randomSource, "test-0").getURI().uskForSSK();
 228                 freenetInterface.unregisterUsk(freenetURI);
 229                 verify(uskManager, never()).unsubscribe(any(USK.class), any(USKCallback.class));
 230         }
 231
 232         @Test
 233         public void unregisteringARegisteredUsk() {
 234                 FreenetURI freenetURI = createRandom(randomSource, "test-0").getURI().uskForSSK();
 235                 Callback callback = mock(Callback.class);
 236                 freenetInterface.registerUsk(freenetURI, callback);
 237                 freenetInterface.unregisterUsk(freenetURI);
 238                 verify(uskManager).unsubscribe(any(USK.class), any(USKCallback.class));
 239         }
 240
 241         @Test
 242         public void unregisteringANotRegisteredSoneDoesNothing() {
 243                 freenetInterface.unregisterUsk(sone);
 244                 verify(uskManager, never()).unsubscribe(any(USK.class), any(USKCallback.class));
 245         }
 246
 247         @Test
 248         public void unregisteringARegisteredSoneUnregistersTheSone()
 249         throws MalformedURLException {
 250                 freenetInterface.registerActiveUsk(sone.getRequestUri(), mock(USKCallback.class));
 251                 freenetInterface.unregisterUsk(sone);
 252                 verify(uskManager).unsubscribe(any(USK.class), any(USKCallback.class));
 253         }
 254
 255         @Test
 256         public void unregisteringASoneWithAWrongRequestKeyWillNotUnsubscribe() throws MalformedURLException {
 257                 when(sone.getRequestUri()).thenReturn(new FreenetURI("KSK@GPLv3.txt"));
 258                 freenetInterface.registerUsk(sone.getRequestUri(), null);
 259                 freenetInterface.unregisterUsk(sone);
 260                 verify(uskManager, never()).unsubscribe(any(USK.class), any(USKCallback.class));
 261         }
 262
 263         @Test
 264         public void callbackForNormalUskUsesDifferentPriorities() {
 265                 Callback callback = mock(Callback.class);
 266                 FreenetURI soneUri = createRandom(randomSource, "test-0").getURI().uskForSSK();
 267                 freenetInterface.registerUsk(soneUri, callback);
 268                 assertThat(callbackCaptor.getValue().getPollingPriorityNormal(), is(PREFETCH_PRIORITY_CLASS));
 269                 assertThat(callbackCaptor.getValue().getPollingPriorityProgress(), is(INTERACTIVE_PRIORITY_CLASS));
 270         }
 271
 272         @Test
 273         public void callbackForNormalUskForwardsImportantParameters() throws MalformedURLException {
 274                 Callback callback = mock(Callback.class);
 275                 FreenetURI uri = createRandom(randomSource, "test-0").getURI().uskForSSK();
 276                 freenetInterface.registerUsk(uri, callback);
 277                 USK key = mock(USK.class);
 278                 when(key.getURI()).thenReturn(uri);
 279                 callbackCaptor.getValue().onFoundEdition(3, key, null, null, false, (short) 0, null, true, true);
 280                 verify(callback).editionFound(eq(uri), eq(3L), eq(true), eq(true));
 281         }
 282
 283         @Test
 284         public void fetchedRetainsUriAndFetchResult() {
 285                 FreenetURI freenetUri = mock(FreenetURI.class);
 286                 FetchResult fetchResult = mock(FetchResult.class);
 287                 Fetched fetched = new Fetched(freenetUri, fetchResult);
 288                 assertThat(fetched.getFreenetUri(), is(freenetUri));
 289                 assertThat(fetched.getFetchResult(), is(fetchResult));
 290         }
 291
 292         @Test
 293         public void cancellingAnInsertWillFireImageInsertAbortedEvent() {
 294                 ClientPutter clientPutter = mock(ClientPutter.class);
 295                 insertToken.setClientPutter(clientPutter);
 296                 ArgumentCaptor<ImageInsertStartedEvent> imageInsertStartedEvent = forClass(ImageInsertStartedEvent.class);
 297                 verify(eventBus).post(imageInsertStartedEvent.capture());
 298                 assertThat(imageInsertStartedEvent.getValue().image(), is(image));
 299                 insertToken.cancel();
 300                 ArgumentCaptor<ImageInsertAbortedEvent> imageInsertAbortedEvent = forClass(ImageInsertAbortedEvent.class);
 301                 verify(eventBus, times(2)).post(imageInsertAbortedEvent.capture());
 302                 assertThat(imageInsertAbortedEvent.getValue().image(), is(image));
 303         }
 304
 305         @Test
 306         public void failureWithoutExceptionSendsFailedEvent() {
 307                 insertToken.onFailure(null, null, null);
 308                 ArgumentCaptor<ImageInsertFailedEvent> imageInsertFailedEvent = forClass(ImageInsertFailedEvent.class);
 309                 verify(eventBus).post(imageInsertFailedEvent.capture());
 310                 assertThat(imageInsertFailedEvent.getValue().image(), is(image));
 311                 assertThat(imageInsertFailedEvent.getValue().cause(), nullValue());
 312         }
 313
 314         @Test
 315         public void failureSendsFailedEventWithException() {
 316                 InsertException insertException = new InsertException(INTERNAL_ERROR, "Internal error", null);
 317                 insertToken.onFailure(insertException, null, null);
 318                 ArgumentCaptor<ImageInsertFailedEvent> imageInsertFailedEvent = forClass(ImageInsertFailedEvent.class);
 319                 verify(eventBus).post(imageInsertFailedEvent.capture());
 320                 assertThat(imageInsertFailedEvent.getValue().image(), is(image));
 321                 assertThat(imageInsertFailedEvent.getValue().cause(), is((Throwable) insertException));
 322         }
 323
 324         @Test
 325         public void failureBecauseCancelledByUserSendsAbortedEvent() {
 326                 InsertException insertException = new InsertException(CANCELLED, null);
 327                 insertToken.onFailure(insertException, null, null);
 328                 ArgumentCaptor<ImageInsertAbortedEvent> imageInsertAbortedEvent = forClass(ImageInsertAbortedEvent.class);
 329                 verify(eventBus).post(imageInsertAbortedEvent.capture());
 330                 assertThat(imageInsertAbortedEvent.getValue().image(), is(image));
 331         }
 332
 333         @Test
 334         public void ignoredMethodsDoNotThrowExceptions() {
 335                 insertToken.onMajorProgress(null);
 336                 insertToken.onFetchable(null, null);
 337                 insertToken.onGeneratedMetadata(null, null, null);
 338         }
 339
 340         @Test
 341         public void generatedUriIsPostedOnSuccess() {
 342                 FreenetURI generatedUri = mock(FreenetURI.class);
 343                 insertToken.onGeneratedURI(generatedUri, null, null);
 344                 insertToken.onSuccess(null, null);
 345                 ArgumentCaptor<ImageInsertFinishedEvent> imageInsertFinishedEvent = forClass(ImageInsertFinishedEvent.class);
 346                 verify(eventBus).post(imageInsertFinishedEvent.capture());
 347                 assertThat(imageInsertFinishedEvent.getValue().image(), is(image));
 348                 assertThat(imageInsertFinishedEvent.getValue().resultingUri(), is(generatedUri));
 349         }
 350
 351         @Test
 352         public void insertTokenSupplierSuppliesInsertTokens() {
 353                 InsertTokenSupplier insertTokenSupplier = freenetInterface.new InsertTokenSupplier();
 354                 assertThat(insertTokenSupplier.apply(image), notNullValue());
 355         }
 356
 357 }