+++ /dev/null
-package net.pterodactylus.sone.core;
-
-import static freenet.client.FetchException.FetchExceptionMode.ALL_DATA_NOT_FOUND;
-import static freenet.keys.InsertableClientSSK.createRandom;
-import static freenet.node.RequestStarter.INTERACTIVE_PRIORITY_CLASS;
-import static freenet.node.RequestStarter.PREFETCH_PRIORITY_CLASS;
-import static net.pterodactylus.sone.test.Matchers.delivers;
-import static net.pterodactylus.sone.test.TestUtil.setFinalField;
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.hamcrest.Matchers.is;
-import static org.hamcrest.Matchers.notNullValue;
-import static org.hamcrest.Matchers.nullValue;
-import static org.mockito.ArgumentCaptor.forClass;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyBoolean;
-import static org.mockito.ArgumentMatchers.anyLong;
-import static org.mockito.ArgumentMatchers.anyShort;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.doNothing;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyNoMoreInteractions;
-import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.withSettings;
-
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.util.HashMap;
-
-import net.pterodactylus.sone.core.FreenetInterface.BackgroundFetchCallback;
-import net.pterodactylus.sone.core.FreenetInterface.Callback;
-import net.pterodactylus.sone.core.FreenetInterface.InsertToken;
-import net.pterodactylus.sone.core.FreenetInterface.InsertTokenSupplier;
-import net.pterodactylus.sone.core.event.ImageInsertAbortedEvent;
-import net.pterodactylus.sone.core.event.ImageInsertFailedEvent;
-import net.pterodactylus.sone.core.event.ImageInsertFinishedEvent;
-import net.pterodactylus.sone.core.event.ImageInsertStartedEvent;
-import net.pterodactylus.sone.data.Image;
-import net.pterodactylus.sone.data.Sone;
-import net.pterodactylus.sone.data.TemporaryImage;
-import net.pterodactylus.sone.data.impl.ImageImpl;
-import net.pterodactylus.sone.test.TestUtil;
-
-import freenet.client.ClientMetadata;
-import freenet.client.FetchContext;
-import freenet.client.FetchException;
-import freenet.client.FetchException.FetchExceptionMode;
-import freenet.client.FetchResult;
-import freenet.client.HighLevelSimpleClient;
-import freenet.client.InsertBlock;
-import freenet.client.InsertContext;
-import freenet.client.InsertException;
-import freenet.client.InsertException.InsertExceptionMode;
-import freenet.client.Metadata;
-import freenet.client.async.ClientContext;
-import freenet.client.async.ClientGetCallback;
-import freenet.client.async.ClientGetter;
-import freenet.client.async.ClientPutter;
-import freenet.client.async.SnoopMetadata;
-import freenet.client.async.USKCallback;
-import freenet.client.async.USKManager;
-import freenet.crypt.DummyRandomSource;
-import freenet.crypt.RandomSource;
-import freenet.keys.FreenetURI;
-import freenet.keys.InsertableClientSSK;
-import freenet.keys.USK;
-import freenet.node.Node;
-import freenet.node.NodeClientCore;
-import freenet.node.RequestClient;
-import freenet.support.Base64;
-import freenet.support.api.Bucket;
-import freenet.support.io.ArrayBucket;
-import freenet.support.io.ResumeFailedException;
-
-import com.google.common.eventbus.EventBus;
-import org.hamcrest.*;
-import org.junit.Before;
-import org.junit.Test;
-import org.mockito.ArgumentCaptor;
-import org.mockito.ArgumentMatchers;
-
-/**
- * Unit test for {@link FreenetInterface}.
- */
-public class FreenetInterfaceTest {
-
- private final EventBus eventBus = mock(EventBus.class);
- private final Node node = mock(Node.class);
- private final NodeClientCore nodeClientCore = mock(NodeClientCore.class);
- private final HighLevelSimpleClient highLevelSimpleClient = mock(HighLevelSimpleClient.class, withSettings().extraInterfaces(RequestClient.class));
- private final RandomSource randomSource = new DummyRandomSource();
- private final USKManager uskManager = mock(USKManager.class);
- private FreenetInterface freenetInterface;
- private final Sone sone = mock(Sone.class);
- private final ArgumentCaptor<USKCallback> callbackCaptor = forClass(USKCallback.class);
- private final Image image = mock(Image.class);
- private InsertToken insertToken;
- private final Bucket bucket = mock(Bucket.class);
- private final ArgumentCaptor<ClientGetCallback> clientGetCallback = forClass(ClientGetCallback.class);
- private final FreenetURI uri = new FreenetURI("KSK@pgl.png");
- private final FetchResult fetchResult = mock(FetchResult.class);
- private final BackgroundFetchCallback backgroundFetchCallback = mock(BackgroundFetchCallback.class);
- private final ClientGetter clientGetter = mock(ClientGetter.class);
-
- public FreenetInterfaceTest() throws MalformedURLException {
- }
-
- @Before
- public void setupHighLevelSimpleClient() throws Exception {
- when(highLevelSimpleClient.getFetchContext()).thenReturn(mock(FetchContext.class));
- when(highLevelSimpleClient.fetch(eq(uri), anyLong(), any(ClientGetCallback.class), any(FetchContext.class), anyShort())).thenReturn( clientGetter);
- }
-
- @Before
- public void setupFreenetInterface() {
- when(nodeClientCore.makeClient(anyShort(), anyBoolean(), anyBoolean())).thenReturn(highLevelSimpleClient);
- setFinalField(node, "clientCore", nodeClientCore);
- setFinalField(node, "random", randomSource);
- setFinalField(nodeClientCore, "uskManager", uskManager);
- setFinalField(nodeClientCore, "clientContext", mock(ClientContext.class));
- freenetInterface = new FreenetInterface(eventBus, node);
- insertToken = freenetInterface.new InsertToken(image);
- insertToken.setBucket(bucket);
- }
-
- @Before
- public void setupSone() {
- InsertableClientSSK insertSsk = createRandom(randomSource, "test-0");
- when(sone.getId()).thenReturn(Base64.encode(insertSsk.getURI().getRoutingKey()));
- when(sone.getRequestUri()).thenReturn(insertSsk.getURI().uskForSSK());
- }
-
- @Before
- public void setupCallbackCaptorAndUskManager() {
- doNothing().when(uskManager).subscribe(any(USK.class), callbackCaptor.capture(), anyBoolean(), any(RequestClient.class));
- }
-
- @Test
- public void canFetchUri() throws MalformedURLException, FetchException {
- FreenetURI freenetUri = new FreenetURI("KSK@GPLv3.txt");
- FetchResult fetchResult = createFetchResult();
- when(highLevelSimpleClient.fetch(freenetUri)).thenReturn(fetchResult);
- Fetched fetched = freenetInterface.fetchUri(freenetUri);
- assertThat(fetched, notNullValue());
- assertThat(fetched.getFetchResult(), is(fetchResult));
- assertThat(fetched.getFreenetUri(), is(freenetUri));
- }
-
- @Test
- public void fetchFollowsRedirect() throws MalformedURLException, FetchException {
- FreenetURI freenetUri = new FreenetURI("KSK@GPLv2.txt");
- FreenetURI newFreenetUri = new FreenetURI("KSK@GPLv3.txt");
- FetchResult fetchResult = createFetchResult();
- FetchException fetchException = new FetchException(FetchExceptionMode.PERMANENT_REDIRECT, newFreenetUri);
- when(highLevelSimpleClient.fetch(freenetUri)).thenThrow(fetchException);
- when(highLevelSimpleClient.fetch(newFreenetUri)).thenReturn(fetchResult);
- Fetched fetched = freenetInterface.fetchUri(freenetUri);
- assertThat(fetched.getFetchResult(), is(fetchResult));
- assertThat(fetched.getFreenetUri(), is(newFreenetUri));
- }
-
- @Test
- public void fetchReturnsNullOnFetchExceptions() throws MalformedURLException, FetchException {
- FreenetURI freenetUri = new FreenetURI("KSK@GPLv2.txt");
- FetchException fetchException = new FetchException(ALL_DATA_NOT_FOUND);
- when(highLevelSimpleClient.fetch(freenetUri)).thenThrow(fetchException);
- Fetched fetched = freenetInterface.fetchUri(freenetUri);
- assertThat(fetched, nullValue());
- }
-
- private FetchResult createFetchResult() {
- ClientMetadata clientMetadata = new ClientMetadata("text/plain");
- Bucket bucket = new ArrayBucket("Some Data.".getBytes());
- return new FetchResult(clientMetadata, bucket);
- }
-
- @Test
- public void insertingAnImage() throws SoneException, InsertException, IOException {
- TemporaryImage temporaryImage = new TemporaryImage("image-id");
- temporaryImage.setMimeType("image/png");
- byte[] imageData = new byte[] { 1, 2, 3, 4 };
- temporaryImage.setImageData(imageData);
- Image image = new ImageImpl("image-id");
- InsertToken insertToken = freenetInterface.new InsertToken(image);
- InsertContext insertContext = mock(InsertContext.class);
- when(highLevelSimpleClient.getInsertContext(anyBoolean())).thenReturn(insertContext);
- ClientPutter clientPutter = mock(ClientPutter.class);
- ArgumentCaptor<InsertBlock> insertBlockCaptor = forClass(InsertBlock.class);
- when(highLevelSimpleClient.insert(insertBlockCaptor.capture(), eq((String) null), eq(false), eq(insertContext), eq(insertToken), anyShort())).thenReturn(clientPutter);
- freenetInterface.insertImage(temporaryImage, image, insertToken);
- assertThat(insertBlockCaptor.getValue().getData().getInputStream(), delivers(new byte[] { 1, 2, 3, 4 }));
- assertThat(TestUtil.<ClientPutter>getPrivateField(insertToken, "clientPutter"), is(clientPutter));
- verify(eventBus).post(any(ImageInsertStartedEvent.class));
- }
-
- @Test(expected = SoneInsertException.class)
- public void insertExceptionCausesASoneException() throws InsertException, SoneException, IOException {
- TemporaryImage temporaryImage = new TemporaryImage("image-id");
- temporaryImage.setMimeType("image/png");
- byte[] imageData = new byte[] { 1, 2, 3, 4 };
- temporaryImage.setImageData(imageData);
- Image image = new ImageImpl("image-id");
- InsertToken insertToken = freenetInterface.new InsertToken(image);
- InsertContext insertContext = mock(InsertContext.class);
- when(highLevelSimpleClient.getInsertContext(anyBoolean())).thenReturn(insertContext);
- ArgumentCaptor<InsertBlock> insertBlockCaptor = forClass(InsertBlock.class);
- when(highLevelSimpleClient.insert(insertBlockCaptor.capture(), eq((String) null), eq(false), eq(insertContext), eq(insertToken), anyShort())).thenThrow(InsertException.class);
- freenetInterface.insertImage(temporaryImage, image, insertToken);
- }
-
- @Test
- public void insertingADirectory() throws InsertException, SoneException {
- FreenetURI freenetUri = mock(FreenetURI.class);
- HashMap<String, Object> manifestEntries = new HashMap<>();
- String defaultFile = "index.html";
- FreenetURI resultingUri = mock(FreenetURI.class);
- when(highLevelSimpleClient.insertManifest(eq(freenetUri), eq(manifestEntries), eq(defaultFile))).thenReturn(resultingUri);
- assertThat(freenetInterface.insertDirectory(freenetUri, manifestEntries, defaultFile), is(resultingUri));
- }
-
- @Test(expected = SoneException.class)
- public void insertExceptionIsForwardedAsSoneException() throws InsertException, SoneException {
- when(highLevelSimpleClient.insertManifest(ArgumentMatchers.<FreenetURI>any(), ArgumentMatchers.<HashMap<String, Object>>any(), ArgumentMatchers.<String>any())).thenThrow(InsertException.class);
- freenetInterface.insertDirectory(null, null, null);
- }
-
- @Test
- public void soneWithWrongRequestUriWillNotBeSubscribed() throws MalformedURLException {
- when(sone.getRequestUri()).thenReturn(new FreenetURI("KSK@GPLv3.txt"));
- freenetInterface.registerUsk(new FreenetURI("KSK@GPLv3.txt"), null);
- verify(uskManager, never()).subscribe(any(USK.class), any(USKCallback.class), anyBoolean(), any(RequestClient.class));
- }
-
- @Test
- public void registeringAUsk() {
- FreenetURI freenetUri = createRandom(randomSource, "test-0").getURI().uskForSSK();
- Callback callback = mock(Callback.class);
- freenetInterface.registerUsk(freenetUri, callback);
- verify(uskManager).subscribe(any(USK.class), any(USKCallback.class), anyBoolean(), any(RequestClient.class));
- }
-
- @Test
- public void registeringANonUskKeyWillNotBeSubscribed() throws MalformedURLException {
- FreenetURI freenetUri = new FreenetURI("KSK@GPLv3.txt");
- Callback callback = mock(Callback.class);
- freenetInterface.registerUsk(freenetUri, callback);
- verify(uskManager, never()).subscribe(any(USK.class), any(USKCallback.class), anyBoolean(), any(RequestClient.class));
- }
-
- @Test
- public void registeringAnActiveUskWillSubscribeToItCorrectly() {
- FreenetURI freenetUri = createRandom(randomSource, "test-0").getURI().uskForSSK();
- final USKCallback uskCallback = mock(USKCallback.class);
- freenetInterface.registerActiveUsk(freenetUri, uskCallback);
- verify(uskManager).subscribe(any(USK.class), eq(uskCallback), eq(true), any(RequestClient.class));
- }
-
- @Test
- public void registeringAnInactiveUskWillSubscribeToItCorrectly() {
- FreenetURI freenetUri = createRandom(randomSource, "test-0").getURI().uskForSSK();
- final USKCallback uskCallback = mock(USKCallback.class);
- freenetInterface.registerPassiveUsk(freenetUri, uskCallback);
- verify(uskManager).subscribe(any(USK.class), eq(uskCallback), eq(false), any(RequestClient.class));
- }
-
- @Test
- public void registeringAnActiveNonUskWillNotSubscribeToAUsk()
- throws MalformedURLException {
- FreenetURI freenetUri = createRandom(randomSource, "test-0").getURI();
- freenetInterface.registerActiveUsk(freenetUri, null);
- verify(uskManager, never()).subscribe(any(USK.class), any(USKCallback.class), anyBoolean(), any(RequestClient.class));
- }
-
- @Test
- public void registeringAnInactiveNonUskWillNotSubscribeToAUsk()
- throws MalformedURLException {
- FreenetURI freenetUri = createRandom(randomSource, "test-0").getURI();
- freenetInterface.registerPassiveUsk(freenetUri, null);
- verify(uskManager, never()).subscribe(any(USK.class), any(USKCallback.class), anyBoolean(), any(RequestClient.class));
- }
-
- @Test
- public void unregisteringANotRegisteredUskDoesNothing() {
- FreenetURI freenetURI = createRandom(randomSource, "test-0").getURI().uskForSSK();
- freenetInterface.unregisterUsk(freenetURI);
- verify(uskManager, never()).unsubscribe(any(USK.class), any(USKCallback.class));
- }
-
- @Test
- public void unregisteringARegisteredUsk() {
- FreenetURI freenetURI = createRandom(randomSource, "test-0").getURI().uskForSSK();
- Callback callback = mock(Callback.class);
- freenetInterface.registerUsk(freenetURI, callback);
- freenetInterface.unregisterUsk(freenetURI);
- verify(uskManager).unsubscribe(any(USK.class), any(USKCallback.class));
- }
-
- @Test
- public void unregisteringANotRegisteredSoneDoesNothing() {
- freenetInterface.unregisterUsk(sone);
- verify(uskManager, never()).unsubscribe(any(USK.class), any(USKCallback.class));
- }
-
- @Test
- public void unregisteringARegisteredSoneUnregistersTheSone()
- throws MalformedURLException {
- freenetInterface.registerActiveUsk(sone.getRequestUri(), mock(USKCallback.class));
- freenetInterface.unregisterUsk(sone);
- verify(uskManager).unsubscribe(any(USK.class), any(USKCallback.class));
- }
-
- @Test
- public void unregisteringASoneWithAWrongRequestKeyWillNotUnsubscribe() throws MalformedURLException {
- when(sone.getRequestUri()).thenReturn(new FreenetURI("KSK@GPLv3.txt"));
- freenetInterface.registerUsk(sone.getRequestUri(), null);
- freenetInterface.unregisterUsk(sone);
- verify(uskManager, never()).unsubscribe(any(USK.class), any(USKCallback.class));
- }
-
- @Test
- public void callbackForNormalUskUsesDifferentPriorities() {
- Callback callback = mock(Callback.class);
- FreenetURI soneUri = createRandom(randomSource, "test-0").getURI().uskForSSK();
- freenetInterface.registerUsk(soneUri, callback);
- assertThat(callbackCaptor.getValue().getPollingPriorityNormal(), is(PREFETCH_PRIORITY_CLASS));
- assertThat(callbackCaptor.getValue().getPollingPriorityProgress(), is(INTERACTIVE_PRIORITY_CLASS));
- }
-
- @Test
- public void callbackForNormalUskForwardsImportantParameters() throws MalformedURLException {
- Callback callback = mock(Callback.class);
- FreenetURI uri = createRandom(randomSource, "test-0").getURI().uskForSSK();
- freenetInterface.registerUsk(uri, callback);
- USK key = mock(USK.class);
- when(key.getURI()).thenReturn(uri);
- callbackCaptor.getValue().onFoundEdition(3, key, null, false, (short) 0, null, true, true);
- verify(callback).editionFound(eq(uri), eq(3L), eq(true), eq(true));
- }
-
- @Test
- public void fetchedRetainsUriAndFetchResult() {
- FreenetURI freenetUri = mock(FreenetURI.class);
- FetchResult fetchResult = mock(FetchResult.class);
- Fetched fetched = new Fetched(freenetUri, fetchResult);
- assertThat(fetched.getFreenetUri(), is(freenetUri));
- assertThat(fetched.getFetchResult(), is(fetchResult));
- }
-
- @Test
- public void cancellingAnInsertWillFireImageInsertAbortedEvent() {
- ClientPutter clientPutter = mock(ClientPutter.class);
- insertToken.setClientPutter(clientPutter);
- ArgumentCaptor<ImageInsertStartedEvent> imageInsertStartedEvent = forClass(ImageInsertStartedEvent.class);
- verify(eventBus).post(imageInsertStartedEvent.capture());
- assertThat(imageInsertStartedEvent.getValue().getImage(), is(image));
- insertToken.cancel();
- ArgumentCaptor<ImageInsertAbortedEvent> imageInsertAbortedEvent = forClass(ImageInsertAbortedEvent.class);
- verify(eventBus, times(2)).post(imageInsertAbortedEvent.capture());
- verify(bucket).free();
- assertThat(imageInsertAbortedEvent.getValue().getImage(), is(image));
- }
-
- @Test
- public void failureWithoutExceptionSendsFailedEvent() {
- InsertException insertException = new InsertException(mock(InsertException.class));
- insertToken.onFailure(insertException, null);
- ArgumentCaptor<ImageInsertFailedEvent> imageInsertFailedEvent = forClass(ImageInsertFailedEvent.class);
- verify(eventBus).post(imageInsertFailedEvent.capture());
- verify(bucket).free();
- assertThat(imageInsertFailedEvent.getValue().getImage(), is(image));
- assertThat(imageInsertFailedEvent.getValue().getCause(), Matchers.<Throwable>is(insertException));
- }
-
- @Test
- public void failureSendsFailedEventWithException() {
- InsertException insertException = new InsertException(InsertExceptionMode.INTERNAL_ERROR, "Internal error", null);
- insertToken.onFailure(insertException, null);
- ArgumentCaptor<ImageInsertFailedEvent> imageInsertFailedEvent = forClass(ImageInsertFailedEvent.class);
- verify(eventBus).post(imageInsertFailedEvent.capture());
- verify(bucket).free();
- assertThat(imageInsertFailedEvent.getValue().getImage(), is(image));
- assertThat(imageInsertFailedEvent.getValue().getCause(), is((Throwable) insertException));
- }
-
- @Test
- public void failureBecauseCancelledByUserSendsAbortedEvent() {
- InsertException insertException = new InsertException(InsertExceptionMode.CANCELLED, null);
- insertToken.onFailure(insertException, null);
- ArgumentCaptor<ImageInsertAbortedEvent> imageInsertAbortedEvent = forClass(ImageInsertAbortedEvent.class);
- verify(eventBus).post(imageInsertAbortedEvent.capture());
- verify(bucket).free();
- assertThat(imageInsertAbortedEvent.getValue().getImage(), is(image));
- }
-
- @Test
- public void ignoredMethodsDoNotThrowExceptions() throws ResumeFailedException {
- insertToken.onResume(null);
- insertToken.onFetchable(null);
- insertToken.onGeneratedMetadata(null, null);
- }
-
- @Test
- public void generatedUriIsPostedOnSuccess() {
- FreenetURI generatedUri = mock(FreenetURI.class);
- insertToken.onGeneratedURI(generatedUri, null);
- insertToken.onSuccess(null);
- ArgumentCaptor<ImageInsertFinishedEvent> imageInsertFinishedEvent = forClass(ImageInsertFinishedEvent.class);
- verify(eventBus).post(imageInsertFinishedEvent.capture());
- verify(bucket).free();
- assertThat(imageInsertFinishedEvent.getValue().getImage(), is(image));
- assertThat(imageInsertFinishedEvent.getValue().getResultingUri(), is(generatedUri));
- }
-
- @Test
- public void insertTokenSupplierSuppliesInsertTokens() {
- InsertTokenSupplier insertTokenSupplier = new InsertTokenSupplier(freenetInterface);
- assertThat(insertTokenSupplier.apply(image), notNullValue());
- }
-
- @Test
- public void backgroundFetchCanBeStarted() throws Exception {
- freenetInterface.startFetch(uri, backgroundFetchCallback);
- verify(highLevelSimpleClient).fetch(eq(uri), anyLong(), any(ClientGetCallback.class), any(FetchContext.class), anyShort());
- }
-
- @Test
- public void backgroundFetchRegistersSnoopAndRestartsTheRequest() throws Exception {
- freenetInterface.startFetch(uri, backgroundFetchCallback);
- verify(clientGetter).setMetaSnoop(any(SnoopMetadata.class));
- verify(clientGetter).restart(eq(uri), anyBoolean(), any(ClientContext.class));
- }
-
- @Test
- public void requestIsNotCancelledForImageMimeType() {
- verifySnoopCancelsRequestForMimeType("image/png", false);
- verify(backgroundFetchCallback, never()).failed(uri);
- }
-
- @Test
- public void requestIsCancelledForNullMimeType() {
- verifySnoopCancelsRequestForMimeType(null, true);
- verify(backgroundFetchCallback, never()).shouldCancel(eq(uri), ArgumentMatchers.<String>any(), anyLong());
- verify(backgroundFetchCallback).failed(uri);
- }
-
- @Test
- public void requestIsCancelledForVideoMimeType() {
- verifySnoopCancelsRequestForMimeType("video/mkv", true);
- verify(backgroundFetchCallback).failed(uri);
- }
-
- @Test
- public void requestIsCancelledForAudioMimeType() {
- verifySnoopCancelsRequestForMimeType("audio/mpeg", true);
- verify(backgroundFetchCallback).failed(uri);
- }
-
- @Test
- public void requestIsCancelledForTextMimeType() {
- verifySnoopCancelsRequestForMimeType("text/plain", true);
- verify(backgroundFetchCallback).failed(uri);
- }
-
- private void verifySnoopCancelsRequestForMimeType(String mimeType, boolean cancel) {
- when(backgroundFetchCallback.shouldCancel(eq(uri), eq(mimeType), anyLong())).thenReturn(cancel);
- freenetInterface.startFetch(uri, backgroundFetchCallback);
- ArgumentCaptor<SnoopMetadata> snoopMetadata = forClass(SnoopMetadata.class);
- verify(clientGetter).setMetaSnoop(snoopMetadata.capture());
- Metadata metadata = mock(Metadata.class);
- when(metadata.getMIMEType()).thenReturn(mimeType);
- assertThat(snoopMetadata.getValue().snoopMetadata(metadata, mock(ClientContext.class)), is(cancel));
- }
-
- @Test
- public void callbackOfBackgroundFetchIsNotifiedOnSuccess() throws Exception {
- freenetInterface.startFetch(uri, backgroundFetchCallback);
- verify(highLevelSimpleClient).fetch(eq(uri), anyLong(), clientGetCallback.capture(), any(FetchContext.class), anyShort());
- when(fetchResult.getMimeType()).thenReturn("image/png");
- when(fetchResult.asByteArray()).thenReturn(new byte[] { 1, 2, 3, 4, 5 });
- clientGetCallback.getValue().onSuccess(fetchResult, mock(ClientGetter.class));
- verify(backgroundFetchCallback).loaded(uri, "image/png", new byte[] { 1, 2, 3, 4, 5 });
- verifyNoMoreInteractions(backgroundFetchCallback);
- }
-
- @Test
- public void callbackOfBackgroundFetchIsNotifiedOnFailure() throws Exception {
- freenetInterface.startFetch(uri, backgroundFetchCallback);
- verify(highLevelSimpleClient).fetch(eq(uri), anyLong(), clientGetCallback.capture(), any(FetchContext.class), anyShort());
- when(fetchResult.getMimeType()).thenReturn("image/png");
- when(fetchResult.asByteArray()).thenReturn(new byte[] { 1, 2, 3, 4, 5 });
- clientGetCallback.getValue().onFailure(new FetchException(ALL_DATA_NOT_FOUND), mock(ClientGetter.class));
- verify(backgroundFetchCallback).failed(uri);
- verifyNoMoreInteractions(backgroundFetchCallback);
- }
-
- @Test
- public void callbackOfBackgroundFetchIsNotifiedAsFailureIfBucketCanNotBeLoaded() throws Exception {
- freenetInterface.startFetch(uri, backgroundFetchCallback);
- verify(highLevelSimpleClient).fetch(eq(uri), anyLong(), clientGetCallback.capture(), any(FetchContext.class), anyShort());
- when(fetchResult.getMimeType()).thenReturn("image/png");
- when(fetchResult.asByteArray()).thenThrow(IOException.class);
- clientGetCallback.getValue().onSuccess(fetchResult, mock(ClientGetter.class));
- verify(backgroundFetchCallback).failed(uri);
- verifyNoMoreInteractions(backgroundFetchCallback);
- }
-
-}
--- /dev/null
+package net.pterodactylus.sone.core
+
+import com.google.common.eventbus.*
+import freenet.client.*
+import freenet.client.FetchException.FetchExceptionMode.*
+import freenet.client.InsertException.*
+import freenet.client.async.*
+import freenet.crypt.*
+import freenet.keys.*
+import freenet.keys.InsertableClientSSK.*
+import freenet.node.*
+import freenet.node.RequestStarter.*
+import freenet.support.Base64
+import freenet.support.api.*
+import freenet.support.io.*
+import net.pterodactylus.sone.core.FreenetInterface.*
+import net.pterodactylus.sone.core.event.*
+import net.pterodactylus.sone.data.*
+import net.pterodactylus.sone.data.impl.*
+import net.pterodactylus.sone.test.*
+import net.pterodactylus.sone.test.Matchers.*
+import net.pterodactylus.sone.test.TestUtil.*
+import org.hamcrest.MatcherAssert.*
+import org.hamcrest.Matchers.equalTo
+import org.hamcrest.Matchers.notNullValue
+import org.hamcrest.Matchers.nullValue
+import org.junit.*
+import org.junit.rules.*
+import org.mockito.*
+import org.mockito.ArgumentCaptor.*
+import org.mockito.ArgumentMatchers.eq
+import org.mockito.Mockito.*
+import java.io.*
+import java.util.*
+
+/**
+ * Unit test for [FreenetInterface].
+ */
+class FreenetInterfaceTest {
+
+ @Rule
+ @JvmField
+ val expectionException: ExpectedException = ExpectedException.none()
+
+ @Suppress("UnstableApiUsage")
+ private val eventBus = mock<EventBus>()
+ private val node = mock<Node>()
+ private val nodeClientCore = mock<NodeClientCore>()
+ private val highLevelSimpleClient: HighLevelSimpleClient = mock(HighLevelSimpleClient::class.java, withSettings().extraInterfaces(RequestClient::class.java))
+ private val randomSource = DummyRandomSource()
+ private val uskManager = mock<USKManager>()
+ private val sone = mock<Sone>()
+ private val callbackCaptor: ArgumentCaptor<USKCallback> = forClass(USKCallback::class.java)
+ private val image = mock<Image>()
+ private val insertToken: InsertToken
+ private val bucket = mock<Bucket>()
+ private val clientGetCallback: ArgumentCaptor<ClientGetCallback> = forClass(ClientGetCallback::class.java)
+ private val uri = FreenetURI("KSK@pgl.png")
+ private val fetchResult = mock<FetchResult>()
+ private val backgroundFetchCallback = mock<BackgroundFetchCallback>()
+ private val clientGetter = mock<ClientGetter>()
+ private val freenetInterface: FreenetInterface
+
+ init {
+ whenever(nodeClientCore.makeClient(anyShort(), anyBoolean(), anyBoolean())).thenReturn(highLevelSimpleClient)
+ setField(node, "clientCore", nodeClientCore)
+ setField(node, "random", randomSource)
+ setField(nodeClientCore, "uskManager", uskManager)
+ setField(nodeClientCore, "clientContext", mock<ClientContext>())
+ freenetInterface = FreenetInterface(eventBus, node)
+ insertToken = freenetInterface.InsertToken(image)
+ insertToken.setBucket(bucket)
+ }
+
+ @Before
+ fun setupHighLevelSimpleClient() {
+ whenever(highLevelSimpleClient.fetchContext).thenReturn(mock())
+ whenever(highLevelSimpleClient.fetch(eq(uri), anyLong(), any(ClientGetCallback::class.java), any(FetchContext::class.java), anyShort())).thenReturn(clientGetter)
+ }
+
+ @Before
+ fun setupSone() {
+ val insertSsk = createRandom(randomSource, "test-0")
+ whenever(sone.id).thenReturn(Base64.encode(insertSsk.uri.routingKey))
+ whenever(sone.requestUri).thenReturn(insertSsk.uri.uskForSSK())
+ }
+
+ @Before
+ fun setupCallbackCaptorAndUskManager() {
+ doNothing().`when`(uskManager).subscribe(any(USK::class.java), callbackCaptor.capture(), anyBoolean(), any(RequestClient::class.java))
+ }
+
+ @Test
+ fun `can fetch uri`() {
+ val freenetUri = FreenetURI("KSK@GPLv3.txt")
+ val fetchResult = createFetchResult()
+ whenever(highLevelSimpleClient.fetch(freenetUri)).thenReturn(fetchResult)
+ val fetched = freenetInterface.fetchUri(freenetUri)
+ assertThat(fetched, notNullValue())
+ assertThat(fetched!!.fetchResult, equalTo(fetchResult))
+ assertThat(fetched.freenetUri, equalTo(freenetUri))
+ }
+
+ @Test
+ fun `fetch follows redirect`() {
+ val freenetUri = FreenetURI("KSK@GPLv2.txt")
+ val newFreenetUri = FreenetURI("KSK@GPLv3.txt")
+ val fetchResult = createFetchResult()
+ val fetchException = FetchException(PERMANENT_REDIRECT, newFreenetUri)
+ whenever(highLevelSimpleClient.fetch(freenetUri)).thenThrow(fetchException)
+ whenever(highLevelSimpleClient.fetch(newFreenetUri)).thenReturn(fetchResult)
+ val fetched = freenetInterface.fetchUri(freenetUri)
+ assertThat(fetched!!.fetchResult, equalTo(fetchResult))
+ assertThat(fetched.freenetUri, equalTo(newFreenetUri))
+ }
+
+ @Test
+ fun `fetch returns null on fetch exceptions`() {
+ val freenetUri = FreenetURI("KSK@GPLv2.txt")
+ val fetchException = FetchException(ALL_DATA_NOT_FOUND)
+ whenever(highLevelSimpleClient.fetch(freenetUri)).thenThrow(fetchException)
+ val fetched = freenetInterface.fetchUri(freenetUri)
+ assertThat(fetched, nullValue())
+ }
+
+ private fun createFetchResult(): FetchResult {
+ val clientMetadata = ClientMetadata("text/plain")
+ val bucket = ArrayBucket("Some Data.".toByteArray())
+ return FetchResult(clientMetadata, bucket)
+ }
+
+ @Test
+ fun `inserting an image`() {
+ val temporaryImage = TemporaryImage("image-id")
+ temporaryImage.mimeType = "image/png"
+ val imageData = byteArrayOf(1, 2, 3, 4)
+ temporaryImage.imageData = imageData
+ val image = ImageImpl("image-id")
+ val insertToken = freenetInterface.InsertToken(image)
+ val insertContext = mock<InsertContext>()
+ whenever(highLevelSimpleClient.getInsertContext(anyBoolean())).thenReturn(insertContext)
+ val clientPutter = mock<ClientPutter>()
+ val insertBlockCaptor = forClass(InsertBlock::class.java)
+ whenever(highLevelSimpleClient.insert(insertBlockCaptor.capture(), eq(null as String?), eq(false), eq(insertContext), eq(insertToken), anyShort())).thenReturn(clientPutter)
+ freenetInterface.insertImage(temporaryImage, image, insertToken)
+ assertThat(insertBlockCaptor.value.data.inputStream, delivers(byteArrayOf(1, 2, 3, 4)))
+ assertThat(getPrivateField(insertToken, "clientPutter"), equalTo(clientPutter))
+ verify(eventBus).post(any(ImageInsertStartedEvent::class.java))
+ }
+
+ @Test
+ fun `insert exception causes a sone exception`() {
+ val temporaryImage = TemporaryImage("image-id")
+ temporaryImage.mimeType = "image/png"
+ val imageData = byteArrayOf(1, 2, 3, 4)
+ temporaryImage.imageData = imageData
+ val image = ImageImpl("image-id")
+ val insertToken = freenetInterface.InsertToken(image)
+ val insertContext = mock<InsertContext>()
+ whenever(highLevelSimpleClient.getInsertContext(anyBoolean())).thenReturn(insertContext)
+ val insertBlockCaptor = forClass(InsertBlock::class.java)
+ whenever(highLevelSimpleClient.insert(insertBlockCaptor.capture(), eq(null as String?), eq(false), eq(insertContext), eq(insertToken), anyShort())).thenThrow(InsertException::class.java)
+ expectionException.expect(SoneInsertException::class.java)
+ freenetInterface.insertImage(temporaryImage, image, insertToken)
+ }
+
+ @Test
+ fun `inserting a directory`() {
+ val freenetUri = mock<FreenetURI>()
+ val manifestEntries = HashMap<String, Any>()
+ val defaultFile = "index.html"
+ val resultingUri = mock<FreenetURI>()
+ whenever(highLevelSimpleClient.insertManifest(eq(freenetUri), eq(manifestEntries), eq(defaultFile))).thenReturn(resultingUri)
+ assertThat(freenetInterface.insertDirectory(freenetUri, manifestEntries, defaultFile), equalTo(resultingUri))
+ }
+
+ @Test
+ fun `insert exception is forwarded as sone exception`() {
+ whenever(highLevelSimpleClient.insertManifest(any(), any(), any())).thenThrow(InsertException::class.java)
+ expectionException.expect(SoneException::class.java)
+ freenetInterface.insertDirectory(null, null, null)
+ }
+
+ @Test
+ fun `sone with wrong request uri will not be subscribed`() {
+ whenever(sone.requestUri).thenReturn(FreenetURI("KSK@GPLv3.txt"))
+ freenetInterface.registerUsk(FreenetURI("KSK@GPLv3.txt"), null)
+ verify(uskManager, never()).subscribe(any(USK::class.java), any(USKCallback::class.java), anyBoolean(), any(RequestClient::class.java))
+ }
+
+ @Test
+ fun `registering a usk`() {
+ val freenetUri = createRandom(randomSource, "test-0").uri.uskForSSK()
+ val callback = mock<Callback>()
+ freenetInterface.registerUsk(freenetUri, callback)
+ verify(uskManager).subscribe(any(USK::class.java), any(USKCallback::class.java), anyBoolean(), any(RequestClient::class.java))
+ }
+
+ @Test
+ fun `registering a non-usk key will not be subscribed`() {
+ val freenetUri = FreenetURI("KSK@GPLv3.txt")
+ val callback = mock<Callback>()
+ freenetInterface.registerUsk(freenetUri, callback)
+ verify(uskManager, never()).subscribe(any(USK::class.java), any(USKCallback::class.java), anyBoolean(), any(RequestClient::class.java))
+ }
+
+ @Test
+ fun `registering an active usk will subscribe to it correctly`() {
+ val freenetUri = createRandom(randomSource, "test-0").uri.uskForSSK()
+ val uskCallback = mock<USKCallback>()
+ freenetInterface.registerActiveUsk(freenetUri, uskCallback)
+ verify(uskManager).subscribe(any(USK::class.java), eq(uskCallback), eq(true), any(RequestClient::class.java))
+ }
+
+ @Test
+ fun `registering an inactive usk will subscribe to it correctly`() {
+ val freenetUri = createRandom(randomSource, "test-0").uri.uskForSSK()
+ val uskCallback = mock<USKCallback>()
+ freenetInterface.registerPassiveUsk(freenetUri, uskCallback)
+ verify(uskManager).subscribe(any(USK::class.java), eq(uskCallback), eq(false), any(RequestClient::class.java))
+ }
+
+ @Test
+ fun `registering an active non-usk will not subscribe to a usk`() {
+ val freenetUri = createRandom(randomSource, "test-0").uri
+ freenetInterface.registerActiveUsk(freenetUri, null)
+ verify(uskManager, never()).subscribe(any(USK::class.java), any(USKCallback::class.java), anyBoolean(), any(RequestClient::class.java))
+ }
+
+ @Test
+ fun `registering an inactive non-usk will not subscribe to a usk`() {
+ val freenetUri = createRandom(randomSource, "test-0").uri
+ freenetInterface.registerPassiveUsk(freenetUri, null)
+ verify(uskManager, never()).subscribe(any(USK::class.java), any(USKCallback::class.java), anyBoolean(), any(RequestClient::class.java))
+ }
+
+ @Test
+ fun `unregistering a not registered usk does nothing`() {
+ val freenetURI = createRandom(randomSource, "test-0").uri.uskForSSK()
+ freenetInterface.unregisterUsk(freenetURI)
+ verify(uskManager, never()).unsubscribe(any(USK::class.java), any(USKCallback::class.java))
+ }
+
+ @Test
+ fun `unregistering a registered usk`() {
+ val freenetURI = createRandom(randomSource, "test-0").uri.uskForSSK()
+ val callback = mock<Callback>()
+ freenetInterface.registerUsk(freenetURI, callback)
+ freenetInterface.unregisterUsk(freenetURI)
+ verify(uskManager).unsubscribe(any(USK::class.java), any(USKCallback::class.java))
+ }
+
+ @Test
+ fun `unregistering a not registered sone does nothing`() {
+ freenetInterface.unregisterUsk(sone)
+ verify(uskManager, never()).unsubscribe(any(USK::class.java), any(USKCallback::class.java))
+ }
+
+ @Test
+ fun `unregistering aregistered sone unregisters the sone`() {
+ freenetInterface.registerActiveUsk(sone.requestUri, mock())
+ freenetInterface.unregisterUsk(sone)
+ verify(uskManager).unsubscribe(any(USK::class.java), any(USKCallback::class.java))
+ }
+
+ @Test
+ fun `unregistering asone with awrong request key will not unsubscribe`() {
+ whenever(sone.requestUri).thenReturn(FreenetURI("KSK@GPLv3.txt"))
+ freenetInterface.registerUsk(sone.requestUri, null)
+ freenetInterface.unregisterUsk(sone)
+ verify(uskManager, never()).unsubscribe(any(USK::class.java), any(USKCallback::class.java))
+ }
+
+ @Test
+ fun `callback for normal usk uses different priorities`() {
+ val callback = mock<Callback>()
+ val soneUri = createRandom(randomSource, "test-0").uri.uskForSSK()
+ freenetInterface.registerUsk(soneUri, callback)
+ assertThat(callbackCaptor.value.pollingPriorityNormal, equalTo(PREFETCH_PRIORITY_CLASS))
+ assertThat(callbackCaptor.value.pollingPriorityProgress, equalTo(INTERACTIVE_PRIORITY_CLASS))
+ }
+
+ @Test
+ fun `callback for normal usk forwards important parameters`() {
+ val callback = mock<Callback>()
+ val uri = createRandom(randomSource, "test-0").uri.uskForSSK()
+ freenetInterface.registerUsk(uri, callback)
+ val key = mock<USK>()
+ whenever(key.uri).thenReturn(uri)
+ callbackCaptor.value.onFoundEdition(3, key, null, false, 0.toShort(), null, true, true)
+ verify(callback).editionFound(eq(uri), eq(3L), eq(true), eq(true))
+ }
+
+ @Test
+ fun `fetched retains uri and fetch result`() {
+ val freenetUri = mock<FreenetURI>()
+ val fetchResult = mock<FetchResult>()
+ val (freenetUri1, fetchResult1) = Fetched(freenetUri, fetchResult)
+ assertThat(freenetUri1, equalTo(freenetUri))
+ assertThat(fetchResult1, equalTo(fetchResult))
+ }
+
+ @Test
+ fun `cancelling an insert will fire image insert aborted event`() {
+ val clientPutter = mock<ClientPutter>()
+ insertToken.setClientPutter(clientPutter)
+ val imageInsertStartedEvent = forClass(ImageInsertStartedEvent::class.java)
+ verify(eventBus).post(imageInsertStartedEvent.capture())
+ assertThat(imageInsertStartedEvent.value.image, equalTo(image))
+ insertToken.cancel()
+ val imageInsertAbortedEvent = forClass(ImageInsertAbortedEvent::class.java)
+ verify(eventBus, times(2)).post(imageInsertAbortedEvent.capture())
+ verify(bucket).free()
+ assertThat(imageInsertAbortedEvent.value.image, equalTo(image))
+ }
+
+ @Test
+ fun `failure without exception sends failed event`() {
+ val insertException = InsertException(mock<InsertException>())
+ insertToken.onFailure(insertException, null)
+ val imageInsertFailedEvent = forClass(ImageInsertFailedEvent::class.java)
+ verify(eventBus).post(imageInsertFailedEvent.capture())
+ verify(bucket).free()
+ assertThat(imageInsertFailedEvent.value.image, equalTo(image))
+ assertThat(imageInsertFailedEvent.value.cause, equalTo<Throwable>(insertException))
+ }
+
+ @Test
+ fun `failure sends failed event with exception`() {
+ val insertException = InsertException(InsertExceptionMode.INTERNAL_ERROR, "Internal error", null)
+ insertToken.onFailure(insertException, null)
+ val imageInsertFailedEvent = forClass(ImageInsertFailedEvent::class.java)
+ verify(eventBus).post(imageInsertFailedEvent.capture())
+ verify(bucket).free()
+ assertThat(imageInsertFailedEvent.value.image, equalTo(image))
+ assertThat(imageInsertFailedEvent.value.cause, equalTo(insertException as Throwable))
+ }
+
+ @Test
+ fun `failure because cancelled by user sends aborted event`() {
+ val insertException = InsertException(InsertExceptionMode.CANCELLED, null)
+ insertToken.onFailure(insertException, null)
+ val imageInsertAbortedEvent = forClass(ImageInsertAbortedEvent::class.java)
+ verify(eventBus).post(imageInsertAbortedEvent.capture())
+ verify(bucket).free()
+ assertThat(imageInsertAbortedEvent.value.image, equalTo(image))
+ }
+
+ @Test
+ fun `ignored methods do not throw exceptions`() {
+ insertToken.onResume(null)
+ insertToken.onFetchable(null)
+ insertToken.onGeneratedMetadata(null, null)
+ }
+
+ @Test
+ fun `generated uri is posted on success`() {
+ val generatedUri = mock<FreenetURI>()
+ insertToken.onGeneratedURI(generatedUri, null)
+ insertToken.onSuccess(null)
+ val imageInsertFinishedEvent = forClass(ImageInsertFinishedEvent::class.java)
+ verify(eventBus).post(imageInsertFinishedEvent.capture())
+ verify(bucket).free()
+ assertThat(imageInsertFinishedEvent.value.image, equalTo(image))
+ assertThat(imageInsertFinishedEvent.value.resultingUri, equalTo(generatedUri))
+ }
+
+ @Test
+ fun `insert token supplier supplies insert tokens`() {
+ val insertTokenSupplier = InsertTokenSupplier(freenetInterface)
+ assertThat(insertTokenSupplier.apply(image), notNullValue())
+ }
+
+ @Test
+ fun `background fetch can be started`() {
+ freenetInterface.startFetch(uri, backgroundFetchCallback)
+ verify(highLevelSimpleClient).fetch(eq(uri), anyLong(), any(ClientGetCallback::class.java), any(FetchContext::class.java), anyShort())
+ }
+
+ @Test
+ fun `background fetch registers snoop and restarts the request`() {
+ freenetInterface.startFetch(uri, backgroundFetchCallback)
+ verify(clientGetter).metaSnoop = any(SnoopMetadata::class.java)
+ verify(clientGetter).restart(eq(uri), anyBoolean(), any(ClientContext::class.java))
+ }
+
+ @Test
+ fun `request is not cancelled for image mime type`() {
+ verifySnoopCancelsRequestForMimeType("image/png", false)
+ verify(backgroundFetchCallback, never()).failed(uri)
+ }
+
+ @Test
+ fun `request is cancelled for null mime type`() {
+ verifySnoopCancelsRequestForMimeType(null, true)
+ verify(backgroundFetchCallback, never()).shouldCancel(eq(uri), any(), anyLong())
+ verify(backgroundFetchCallback).failed(uri)
+ }
+
+ @Test
+ fun `request is cancelled for video mime type`() {
+ verifySnoopCancelsRequestForMimeType("video/mkv", true)
+ verify(backgroundFetchCallback).failed(uri)
+ }
+
+ @Test
+ fun `request is cancelled for audio mime type`() {
+ verifySnoopCancelsRequestForMimeType("audio/mpeg", true)
+ verify(backgroundFetchCallback).failed(uri)
+ }
+
+ @Test
+ fun `request is cancelled for text mime type`() {
+ verifySnoopCancelsRequestForMimeType("text/plain", true)
+ verify(backgroundFetchCallback).failed(uri)
+ }
+
+ private fun verifySnoopCancelsRequestForMimeType(mimeType: String?, cancel: Boolean) {
+ whenever(backgroundFetchCallback.shouldCancel(eq(uri), if (mimeType != null) eq(mimeType) else isNull(), anyLong())).thenReturn(cancel)
+ freenetInterface.startFetch(uri, backgroundFetchCallback)
+ val snoopMetadata = forClass(SnoopMetadata::class.java)
+ verify(clientGetter).metaSnoop = snoopMetadata.capture()
+ val metadata = mock<Metadata>()
+ whenever(metadata.mimeType).thenReturn(mimeType)
+ assertThat(snoopMetadata.value.snoopMetadata(metadata, mock()), equalTo(cancel))
+ }
+
+ @Test
+ fun `callback of background fetch is notified on success`() {
+ freenetInterface.startFetch(uri, backgroundFetchCallback)
+ verify(highLevelSimpleClient).fetch(eq(uri), anyLong(), clientGetCallback.capture(), any(FetchContext::class.java), anyShort())
+ whenever(fetchResult.mimeType).thenReturn("image/png")
+ whenever(fetchResult.asByteArray()).thenReturn(byteArrayOf(1, 2, 3, 4, 5))
+ clientGetCallback.value.onSuccess(fetchResult, mock())
+ verify(backgroundFetchCallback).loaded(uri, "image/png", byteArrayOf(1, 2, 3, 4, 5))
+ verifyNoMoreInteractions(backgroundFetchCallback)
+ }
+
+ @Test
+ fun `callback of background fetch is notified on failure`() {
+ freenetInterface.startFetch(uri, backgroundFetchCallback)
+ verify(highLevelSimpleClient).fetch(eq(uri), anyLong(), clientGetCallback.capture(), any(FetchContext::class.java), anyShort())
+ whenever(fetchResult.mimeType).thenReturn("image/png")
+ whenever(fetchResult.asByteArray()).thenReturn(byteArrayOf(1, 2, 3, 4, 5))
+ clientGetCallback.value.onFailure(FetchException(ALL_DATA_NOT_FOUND), mock())
+ verify(backgroundFetchCallback).failed(uri)
+ verifyNoMoreInteractions(backgroundFetchCallback)
+ }
+
+ @Test
+ fun `callback of background fetch is notified as failure if bucket can not be loaded`() {
+ freenetInterface.startFetch(uri, backgroundFetchCallback)
+ verify(highLevelSimpleClient).fetch(eq(uri), anyLong(), clientGetCallback.capture(), any(FetchContext::class.java), anyShort())
+ whenever(fetchResult.mimeType).thenReturn("image/png")
+ whenever(fetchResult.asByteArray()).thenThrow(IOException::class.java)
+ clientGetCallback.value.onSuccess(fetchResult, mock())
+ verify(backgroundFetchCallback).failed(uri)
+ verifyNoMoreInteractions(backgroundFetchCallback)
+ }
+
+}