Merge branch 'last-working' into next
[Sone.git] / src / test / java / net / pterodactylus / sone / core / FreenetInterfaceTest.java
diff --git a/src/test/java/net/pterodactylus/sone/core/FreenetInterfaceTest.java b/src/test/java/net/pterodactylus/sone/core/FreenetInterfaceTest.java
new file mode 100644 (file)
index 0000000..091c93f
--- /dev/null
@@ -0,0 +1,401 @@
+package net.pterodactylus.sone.core;
+
+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.Matchers.delivers;
+import static net.pterodactylus.sone.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.Matchers.any;
+import static org.mockito.Matchers.anyBoolean;
+import static org.mockito.Matchers.anyShort;
+import static org.mockito.Matchers.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.when;
+import static org.mockito.Mockito.withSettings;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.HashMap;
+
+import net.pterodactylus.sone.TestUtil;
+import net.pterodactylus.sone.core.FreenetInterface.Callback;
+import net.pterodactylus.sone.core.FreenetInterface.Fetched;
+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.impl.ImageImpl;
+import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.data.TemporaryImage;
+
+import freenet.client.ClientMetadata;
+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.async.ClientPutter;
+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.junit.Before;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+
+/**
+ * Unit test for {@link FreenetInterface}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+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);
+
+       @Before
+       public void setupFreenetInterface() {
+               when(nodeClientCore.makeClient(anyShort(), anyBoolean(), anyBoolean())).thenReturn(highLevelSimpleClient);
+               setFinalField(node, "clientCore", nodeClientCore);
+               setFinalField(node, "random", randomSource);
+               setFinalField(nodeClientCore, "uskManager", uskManager);
+               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(FetchExceptionMode.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, Object>();
+               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(any(FreenetURI.class), any(HashMap.class), any(String.class))).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(), eq((RequestClient) highLevelSimpleClient));
+       }
+
+       @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(), eq((RequestClient) highLevelSimpleClient));
+       }
+
+       @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(),
+                               eq((RequestClient) highLevelSimpleClient));
+       }
+
+       @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(),
+                               eq((RequestClient) highLevelSimpleClient));
+       }
+
+       @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().image(), is(image));
+               insertToken.cancel();
+               ArgumentCaptor<ImageInsertAbortedEvent> imageInsertAbortedEvent = forClass(ImageInsertAbortedEvent.class);
+               verify(eventBus, times(2)).post(imageInsertAbortedEvent.capture());
+               verify(bucket).free();
+               assertThat(imageInsertAbortedEvent.getValue().image(), is(image));
+       }
+
+       @Test
+       public void failureWithoutExceptionSendsFailedEvent() {
+               insertToken.onFailure(null, null);
+               ArgumentCaptor<ImageInsertFailedEvent> imageInsertFailedEvent = forClass(ImageInsertFailedEvent.class);
+               verify(eventBus).post(imageInsertFailedEvent.capture());
+               verify(bucket).free();
+               assertThat(imageInsertFailedEvent.getValue().image(), is(image));
+               assertThat(imageInsertFailedEvent.getValue().cause(), nullValue());
+       }
+
+       @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().image(), is(image));
+               assertThat(imageInsertFailedEvent.getValue().cause(), 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().image(), 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().image(), is(image));
+               assertThat(imageInsertFinishedEvent.getValue().resultingUri(), is(generatedUri));
+       }
+
+       @Test
+       public void insertTokenSupplierSuppliesInsertTokens() {
+               InsertTokenSupplier insertTokenSupplier = freenetInterface.new InsertTokenSupplier();
+               assertThat(insertTokenSupplier.apply(image), notNullValue());
+       }
+
+}