Merge branch '579-unsubscribe-from-shared-blogs' into 'master'

Allow unsubscribing from shared blogs

Only personal blogs from non-contacts can be removed.
This also adds integration tests that check the conditions under which blogs can actually be removed.

Closes #579

See merge request !268

briar-android-tests/src/test/java/org/briarproject/BlogManagerTest.java

@@ -33,7 +33,9 @@ import org.briarproject.sync.SyncModule;
 import org.briarproject.transport.TransportModule;
 import org.junit.After;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.ExpectedException;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -94,6 +96,9 @@ public class BlogManagerTest {
 
 	private BlogManagerTestComponent t0, t1;
 
+	@Rule
+	public ExpectedException thrown = ExpectedException.none();
+
 	@Before
 	public void setUp() throws Exception {
 		BlogManagerTestComponent component =
@@ -249,6 +254,7 @@ public class BlogManagerTest {
 		assertEquals(3, blogs0.size());
 		assertTrue(blogs0.contains(blog));
 		assertEquals(2, blogManager0.getBlogs(author0).size());
+		assertTrue(blogManager0.canBeRemoved(blog.getId()));
 
 		// remove blog
 		blogManager0.removeBlog(blog);
@@ -260,6 +266,27 @@ public class BlogManagerTest {
 		stopLifecycles();
 	}
 
+	@Test
+	public void testCanNotRemoveContactsPersonalBlog() throws Exception {
+		startLifecycles();
+		defaultInit();
+
+		assertFalse(blogManager0.canBeRemoved(blog1.getId()));
+		assertFalse(blogManager1.canBeRemoved(blog0.getId()));
+
+		// the following two calls should throw a DbException now
+		thrown.expect(DbException.class);
+
+		blogManager0.removeBlog(blog1);
+		blogManager1.removeBlog(blog0);
+
+		// blogs have not been removed
+		assertEquals(2, blogManager0.getBlogs().size());
+		assertEquals(2, blogManager1.getBlogs().size());
+
+		stopLifecycles();
+	}
+
 	@After
 	public void tearDown() throws Exception {
 		TestUtils.deleteTestDirectory(testDir);

briar-android-tests/src/test/java/org/briarproject/BlogSharingIntegrationTest.java

@@ -68,7 +68,7 @@ public class BlogSharingIntegrationTest extends BriarTestCase {
 	private LifecycleManager lifecycleManager0, lifecycleManager1,
 			lifecycleManager2;
 	private SyncSessionFactory sync0, sync1, sync2;
-	private BlogManager blogManager0, blogManager1;
+	private BlogManager blogManager0, blogManager1, blogManager2;
 	private ContactManager contactManager0, contactManager1, contactManager2;
 	private Contact contact1, contact2, contact01, contact02;
 	private ContactId contactId1, contactId2, contactId01, contactId02;
@@ -139,6 +139,7 @@ public class BlogSharingIntegrationTest extends BriarTestCase {
 		contactManager2 = t2.getContactManager();
 		blogManager0 = t0.getBlogManager();
 		blogManager1 = t1.getBlogManager();
+		blogManager2 = t2.getBlogManager();
 		blogSharingManager0 = t0.getBlogSharingManager();
 		blogSharingManager1 = t1.getBlogSharingManager();
 		blogSharingManager2 = t2.getBlogSharingManager();
@@ -402,6 +403,106 @@ public class BlogSharingIntegrationTest extends BriarTestCase {
 		stopLifecycles();
 	}
 
+	@Test
+	public void testRemovingSharedBlog() throws Exception {
+		startLifecycles();
+
+		// initialize and let invitee accept all requests
+		defaultInit(true);
+
+		// send invitation
+		blogSharingManager0
+				.sendInvitation(blog2.getId(), contactId1, "Hi!");
+
+		// sync first request message
+		sync0To1();
+		eventWaiter.await(TIMEOUT, 1);
+		assertTrue(listener1.requestReceived);
+
+		// sync response back
+		sync1To0();
+		eventWaiter.await(TIMEOUT, 1);
+		assertTrue(listener0.responseReceived);
+
+		// blog was added successfully and is shard both ways
+		assertEquals(3, blogManager1.getBlogs().size());
+		Collection<Contact> sharedWith =
+				blogSharingManager0.getSharedWith(blog2.getId());
+		assertEquals(1, sharedWith.size());
+		assertEquals(contact1, sharedWith.iterator().next());
+		Collection<Contact> sharedBy =
+				blogSharingManager1.getSharedBy(blog2.getId());
+		assertEquals(1, sharedBy.size());
+		assertEquals(contact01, sharedBy.iterator().next());
+
+		// shared blog can be removed
+		assertTrue(blogManager1.canBeRemoved(blog2.getId()));
+
+		// invitee removes blog again
+		blogManager1.removeBlog(blog2);
+
+		// sync LEAVE message
+		sync1To0();
+
+		// sharer does not share this blog anymore with invitee
+		sharedWith =
+				blogSharingManager0.getSharedWith(blog2.getId());
+		assertEquals(0, sharedWith.size());
+
+		stopLifecycles();
+	}
+
+	@Test
+	public void testSharedBlogBecomesPermanent() throws Exception {
+		startLifecycles();
+
+		// initialize and let invitee accept all requests
+		defaultInit(true);
+
+		// invitee only sees two blogs
+		assertEquals(2, blogManager1.getBlogs().size());
+
+		// sharer sends invitation for 2's blog to 1
+		blogSharingManager0
+				.sendInvitation(blog2.getId(), contactId1, "Hi!");
+
+		// sync first request message
+		sync0To1();
+		eventWaiter.await(TIMEOUT, 1);
+		assertTrue(listener1.requestReceived);
+
+		// make sure blog2 is shared by 0
+		Collection<Contact> contacts =
+				blogSharingManager1.getSharedBy(blog2.getId());
+		assertEquals(1, contacts.size());
+		assertTrue(contacts.contains(contact01));
+
+		// sync response back
+		sync1To0();
+		eventWaiter.await(TIMEOUT, 1);
+		assertTrue(listener0.responseReceived);
+
+		// blog was added and can be removed
+		assertEquals(3, blogManager1.getBlogs().size());
+		assertTrue(blogManager1.canBeRemoved(blog2.getId()));
+
+		// 1 and 2 are adding each other
+		contactManager1.addContact(author2,
+				author1.getId(), master, clock.currentTimeMillis(), true,
+				true
+		);
+		contactManager2.addContact(author1,
+				author2.getId(), master, clock.currentTimeMillis(), true,
+				true
+		);
+		assertEquals(3, blogManager1.getBlogs().size());
+
+		// now blog can not be removed anymore
+		assertFalse(blogManager1.canBeRemoved(blog2.getId()));
+
+		stopLifecycles();
+	}
+
 
 	@After
 	public void tearDown() throws InterruptedException {

briar-android/res/menu/blogs_blog_actions.xml

@@ -14,4 +14,10 @@
 		android:title="@string/sharing_status"
 		app:showAsAction="never"/>
 
+	<item
+		android:id="@+id/action_blog_delete"
+		android:icon="@drawable/action_delete_white"
+		android:title="@string/blogs_remove_blog"
+		app:showAsAction="never"/>
+
 </menu>
\ No newline at end of file

briar-android/res/values-pt-rBR/strings.xml

@@ -267,13 +267,12 @@ Ou o autor não não postou nada ainda, ou a pessoa que compartilhou esse Blog c
   <string name="blogs_feed_empty_state">Esse é o feed de blog global.
 Parece que ninguém postou nada, ainda.
 Seja o primeiro a postar e clique no ícone da caneta para escrever um novo Post pro Blog.</string>
-  <string name="blogs_delete_blog">Deletar Blog</string>
-  <string name="blogs_delete_blog_dialog_message">Você ter certeza que quer deletar esse Blog e todos seus Posts?
+  <string name="blogs_remove_blog">Remover Blog</string>
+  <string name="blogs_remove_blog_dialog_message">Você ter certeza que quer deletar esse Blog e todos seus Posts?
 Note que isso não irá deletar o Blog dos dispositivos de outras pessoas. </string>
-  <string name="blogs_delete_blog_ok">Deletar Blog</string>
+  <string name="blogs_remove_blog_ok">Deletar Blog</string>
   <string name="blogs_delete_blog_cancel">Manter</string>
-  <string name="blogs_blog_deleted">Blog Deletado</string>
-  <string name="blogs_remove_blog">Remover Blog</string>
+  <string name="blogs_blog_removed">Blog Deletado</string>
   <string name="blogs_blog_list">Lista de blogs</string>
   <string name="blogs_available_blogs">Blogs Disponíveis </string>
   <string name="blogs_drafts">Rascunhos</string>

briar-android/res/values/strings.xml

@@ -297,15 +297,13 @@
 	<string name="blogs_blog_post_received">New Blog Post Received</string>
 	<string name="blogs_blog_post_scroll_to">Scroll To</string>
 	<string name="blogs_blog_failed_to_load">Blog failed to load</string>
-	<string name="blogs_blog_post_failed_to_load">Blog Post failed to load</string>
+	<string name="blogs_blog_post_failed_to_load">Blog post failed to load</string>
 	<string name="blogs_feed_empty_state">This is the global blog feed.\n\nIt looks like nobody blogged anything, yet.\n\nBe the first and tap the pen icon to write a new blog post.</string>
 	<string name="blogs_personal_blog">%s\'s Personal Blog</string>
-	<string name="blogs_delete_blog">Delete Blog</string>
-	<string name="blogs_delete_blog_dialog_message">Are you sure that you want to delete this Blog and all posts?\nNote that this will not delete the blog from other people\'s devices.</string>
-	<string name="blogs_delete_blog_ok">Delete Blog</string>
-	<string name="blogs_delete_blog_cancel">Keep</string>
-	<string name="blogs_blog_deleted">Blog Deleted</string>
 	<string name="blogs_remove_blog">Remove Blog</string>
+	<string name="blogs_remove_blog_dialog_message">Are you sure that you want to remove this blog and all posts?\nNote that this will not remove the blog from other people\'s devices.</string>
+	<string name="blogs_remove_blog_ok">Remove Blog</string>
+	<string name="blogs_blog_removed">Blog Removed</string>
 	<string name="blogs_sharing_share">Share Blog</string>
 	<string name="blogs_sharing_error">There was an error sharing this blog.</string>
 	<string name="blogs_sharing_button">Share Blog</string>

briar-android/src/org/briarproject/android/blogs/BlogController.java

@@ -3,7 +3,9 @@ package org.briarproject.android.blogs;
 import android.support.annotation.Nullable;
 
 import org.briarproject.android.controller.ActivityLifecycleController;
+import org.briarproject.android.controller.handler.ResultExceptionHandler;
 import org.briarproject.android.controller.handler.ResultHandler;
+import org.briarproject.api.db.DbException;
 import org.briarproject.api.sync.GroupId;
 import org.briarproject.api.sync.MessageId;
 
@@ -22,6 +24,9 @@ public interface BlogController extends ActivityLifecycleController {
 	@Nullable
 	MessageId getBlogPostId(int position);
 
+	void canDeleteBlog(GroupId groupId,
+			ResultExceptionHandler<Boolean, DbException> resultHandler);
+
 	void deleteBlog(ResultHandler<Boolean> resultHandler);
 
 	interface BlogPostListener {

briar-android/src/org/briarproject/android/blogs/BlogControllerImpl.java

@@ -4,6 +4,7 @@ import android.app.Activity;
 import android.support.annotation.Nullable;
 
 import org.briarproject.android.controller.DbControllerImpl;
+import org.briarproject.android.controller.handler.ResultExceptionHandler;
 import org.briarproject.android.controller.handler.ResultHandler;
 import org.briarproject.api.blogs.Blog;
 import org.briarproject.api.blogs.BlogManager;
@@ -175,6 +176,27 @@ public class BlogControllerImpl extends DbControllerImpl
 		return null;
 	}
 
+	@Override
+	public void canDeleteBlog(final GroupId g,
+			final ResultExceptionHandler<Boolean, DbException> resultHandler) {
+		runOnDbThread(new Runnable() {
+			@Override
+			public void run() {
+				if (groupId == null) {
+					resultHandler.onResult(false);
+					return;
+				}
+				try {
+					resultHandler.onResult(blogManager.canBeRemoved(groupId));
+				} catch (DbException e) {
+					if (LOG.isLoggable(WARNING))
+						LOG.log(WARNING, e.toString(), e);
+					resultHandler.onException(e);
+				}
+			}
+		});
+	}
+
 	@Override
 	public void deleteBlog(final ResultHandler<Boolean> resultHandler) {
 		runOnDbThread(new Runnable() {

briar-android/src/org/briarproject/android/blogs/BlogFragment.java

@@ -21,11 +21,13 @@ import org.briarproject.R;
 import org.briarproject.android.ActivityComponent;
 import org.briarproject.android.blogs.BlogController.BlogPostListener;
 import org.briarproject.android.blogs.BlogPostAdapter.OnBlogPostClickListener;
+import org.briarproject.android.controller.handler.UiResultExceptionHandler;
 import org.briarproject.android.controller.handler.UiResultHandler;
 import org.briarproject.android.fragment.BaseFragment;
 import org.briarproject.android.sharing.ShareBlogActivity;
 import org.briarproject.android.sharing.SharingStatusBlogActivity;
 import org.briarproject.android.util.BriarRecyclerView;
+import org.briarproject.api.db.DbException;
 import org.briarproject.api.sync.GroupId;
 
 import java.util.Collection;
@@ -57,6 +59,7 @@ public class BlogFragment extends BaseFragment implements BlogPostListener {
 	private boolean myBlog;
 	private BlogPostAdapter adapter;
 	private BriarRecyclerView list;
+	private MenuItem deleteButton = null;
 
 	static BlogFragment newInstance(GroupId groupId, String name,
 			boolean myBlog, boolean isNew) {
@@ -124,6 +127,7 @@ public class BlogFragment extends BaseFragment implements BlogPostListener {
 	public void onStart() {
 		super.onStart();
 		loadData(false);
+		if (!myBlog) checkIfBlogCanBeDeleted();
 	}
 
 	@Override
@@ -144,6 +148,8 @@ public class BlogFragment extends BaseFragment implements BlogPostListener {
 			inflater.inflate(R.menu.blogs_my_blog_actions, menu);
 		} else {
 			inflater.inflate(R.menu.blogs_blog_actions, menu);
+			deleteButton = menu.findItem(R.id.action_blog_delete);
+			deleteButton.setVisible(false);
 		}
 		super.onCreateOptionsMenu(menu, inflater);
 	}
@@ -179,6 +185,9 @@ public class BlogFragment extends BaseFragment implements BlogPostListener {
 				i3.putExtra(GROUP_ID, groupId.getBytes());
 				startActivity(i3, options.toBundle());
 				return true;
+			case R.id.action_blog_delete:
+				showDeleteDialog();
+				return true;
 			default:
 				return super.onOptionsItemSelected(item);
 		}
@@ -232,6 +241,28 @@ public class BlogFragment extends BaseFragment implements BlogPostListener {
 		loadData(true);
 	}
 
+	private void checkIfBlogCanBeDeleted() {
+		blogController.canDeleteBlog(groupId,
+				new UiResultExceptionHandler<Boolean, DbException>(
+						getActivity()) {
+					@Override
+					public void onResultUi(Boolean canBeDeleted) {
+						if (canBeDeleted) {
+							showDeleteButton();
+						}
+					}
+					@Override
+					public void onExceptionUi(DbException exception) {
+						// nothing to do here, delete button is already hidden
+					}
+				});
+	}
+
+	private void showDeleteButton() {
+		if (deleteButton != null)
+			deleteButton.setVisible(true);
+	}
+
 	private void displaySnackbar(int stringId) {
 		Snackbar snackbar =
 				Snackbar.make(list, stringId, Snackbar.LENGTH_SHORT);
@@ -249,11 +280,11 @@ public class BlogFragment extends BaseFragment implements BlogPostListener {
 				};
 		AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(),
 				R.style.BriarDialogTheme);
-		builder.setTitle(getString(R.string.blogs_delete_blog));
+		builder.setTitle(getString(R.string.blogs_remove_blog));
 		builder.setMessage(
-				getString(R.string.blogs_delete_blog_dialog_message));
-		builder.setPositiveButton(R.string.blogs_delete_blog_cancel, null);
-		builder.setNegativeButton(R.string.blogs_delete_blog_ok, okListener);
+				getString(R.string.blogs_remove_blog_dialog_message));
+		builder.setPositiveButton(R.string.cancel_button, null);
+		builder.setNegativeButton(R.string.blogs_remove_blog_ok, okListener);
 		builder.show();
 	}
 
@@ -264,7 +295,7 @@ public class BlogFragment extends BaseFragment implements BlogPostListener {
 					public void onResultUi(Boolean result) {
 						if (!result) return;
 						Toast.makeText(getActivity(),
-								R.string.blogs_blog_deleted, LENGTH_SHORT)
+								R.string.blogs_blog_removed, LENGTH_SHORT)
 								.show();
 						getActivity().supportFinishAfterTransition();
 					}

briar-api/src/org/briarproject/api/blogs/Blog.java

@@ -11,16 +11,13 @@ public class Blog extends Forum {
 	private final String description;
 	@NotNull
 	private final Author author;
-	private final boolean permanent;
 
 	public Blog(@NotNull Group group, @NotNull String name,
-			@NotNull String description, @NotNull Author author,
-			boolean permanent) {
+			@NotNull String description, @NotNull Author author) {
 		super(group, name, null);
 
 		this.description = description;
 		this.author = author;
-		this.permanent = permanent;
 	}
 
 	@NotNull
@@ -32,8 +29,4 @@ public class Blog extends Forum {
 	public Author getAuthor() {
 		return author;
 	}
-
-	public boolean isPermanent() {
-		return permanent;
-	}
 }

briar-api/src/org/briarproject/api/blogs/BlogFactory.java

 package org.briarproject.api.blogs;
 
 import org.briarproject.api.FormatException;
-import org.briarproject.api.contact.Contact;
 import org.briarproject.api.identity.Author;
 import org.briarproject.api.sync.Group;
 import org.jetbrains.annotations.NotNull;

briar-api/src/org/briarproject/api/blogs/BlogManager.java

@@ -20,6 +20,9 @@ public interface BlogManager {
 	Blog addBlog(LocalAuthor localAuthor, String name, String description)
 			throws DbException;
 
+	/** Returns true if a blog can be removed. */
+	boolean canBeRemoved(GroupId g) throws DbException;
+
 	/** Removes and deletes a blog. */
 	void removeBlog(Blog b) throws DbException;
 

briar-core/src/org/briarproject/blogs/BlogFactoryImpl.java

@@ -4,7 +4,6 @@ import org.briarproject.api.FormatException;
 import org.briarproject.api.blogs.Blog;
 import org.briarproject.api.blogs.BlogFactory;
 import org.briarproject.api.clients.ClientHelper;
-import org.briarproject.api.contact.Contact;
 import org.briarproject.api.data.BdfList;
 import org.briarproject.api.identity.Author;
 import org.briarproject.api.identity.AuthorFactory;
@@ -31,19 +30,14 @@ class BlogFactoryImpl implements BlogFactory {
 		this.clientHelper = clientHelper;
 	}
 
-	@Override
-	public Blog createBlog(@NotNull String name, @NotNull String description,
-			@NotNull Author author) {
-		return createBlog(name, description, author, false);
-	}
-
 	@Override
 	public Blog createPersonalBlog(@NotNull Author a) {
-		return createBlog(PERSONAL_BLOG_NAME, "", a, true);
+		return createBlog(PERSONAL_BLOG_NAME, "", a);
 	}
 
-	private Blog createBlog(@NotNull String name, @NotNull String description,
-			@NotNull Author author, boolean permanent) {
+	@Override
+	public Blog createBlog(@NotNull String name, @NotNull String description,
+			@NotNull Author author) {
 		try {
 			BdfList blog = BdfList.of(
 					name,
@@ -53,7 +47,7 @@ class BlogFactoryImpl implements BlogFactory {
 			byte[] descriptor = clientHelper.toByteArray(blog);
 			Group g = groupFactory
 					.createGroup(BlogManagerImpl.CLIENT_ID, descriptor);
-			return new Blog(g, name, description, author, permanent);
+			return new Blog(g, name, description, author);
 		} catch (FormatException e) {
 			throw new RuntimeException(e);
 		}
@@ -66,11 +60,10 @@ class BlogFactoryImpl implements BlogFactory {
 		byte[] descriptor = g.getDescriptor();
 		// Blog Name, Author Name, Public Key
 		BdfList blog = clientHelper.toList(descriptor, 0, descriptor.length);
+		String name = blog.getString(0);
 		Author a =
 				authorFactory.createAuthor(blog.getString(1), blog.getRaw(2));
-		// TODO change permanent depending on how this will be used
-		boolean permanent = true;
-		return new Blog(g, blog.getString(0), description, a, permanent);
+		return new Blog(g, name, description, a);
 	}
 
 }

briar-core/src/org/briarproject/blogs/BlogManagerImpl.java

@@ -10,6 +10,7 @@ import org.briarproject.api.clients.Client;
 import org.briarproject.api.clients.ClientHelper;
 import org.briarproject.api.contact.Contact;
 import org.briarproject.api.contact.ContactId;
+import org.briarproject.api.contact.ContactManager;
 import org.briarproject.api.data.BdfDictionary;
 import org.briarproject.api.data.BdfEntry;
 import org.briarproject.api.data.BdfList;
@@ -73,17 +74,19 @@ class BlogManagerImpl extends BdfIncomingMessageHook implements BlogManager,
 
 	private final DatabaseComponent db;
 	private final IdentityManager identityManager;
+	private final ContactManager contactManager;
 	private final BlogFactory blogFactory;
 	private final List<RemoveBlogHook> removeHooks;
 
 	@Inject
 	BlogManagerImpl(DatabaseComponent db, IdentityManager identityManager,
 			ClientHelper clientHelper, MetadataParser metadataParser,
-			BlogFactory blogFactory) {
+			ContactManager contactManager, BlogFactory blogFactory) {
 		super(clientHelper, metadataParser);
 
 		this.db = db;
 		this.identityManager = identityManager;
+		this.contactManager = contactManager;
 		this.blogFactory = blogFactory;
 		removeHooks = new CopyOnWriteArrayList<RemoveBlogHook>();
 	}
@@ -189,11 +192,36 @@ class BlogManagerImpl extends BdfIncomingMessageHook implements BlogManager,
 		return b;
 	}
 
+	@Override
+	public boolean canBeRemoved(GroupId g) throws DbException {
+		Transaction txn = db.startTransaction(true);
+		try {
+			boolean canBeRemoved = canBeRemoved(txn, g);
+			txn.setComplete();
+			return canBeRemoved;
+		} finally {
+			db.endTransaction(txn);
+		}
+	}
+
+	private boolean canBeRemoved(Transaction txn, GroupId g)
+			throws DbException {
+		boolean canBeRemoved;
+		Blog b = getBlog(txn, g);
+		AuthorId authorId = b.getAuthor().getId();
+		LocalAuthor localAuthor = identityManager.getLocalAuthor(txn);
+		canBeRemoved = !contactManager
+				.contactExists(txn, authorId, localAuthor.getId());
+		return canBeRemoved;
+	}
+
 	@Override
 	public void removeBlog(Blog b) throws DbException {
 		// TODO if this gets used, check for RSS feeds posting into this blog
 		Transaction txn = db.startTransaction(false);
 		try {
+			if (!canBeRemoved(txn, b.getId()))
+				throw new DbException();
 			for (RemoveBlogHook hook : removeHooks)
 				hook.removingBlog(txn, b);
 			db.removeGroup(txn, b.getGroup());

briar-tests/src/org/briarproject/blogs/BlogManagerImplTest.java

@@ -9,6 +9,7 @@ import org.briarproject.api.blogs.BlogPostHeader;
 import org.briarproject.api.clients.ClientHelper;
 import org.briarproject.api.contact.Contact;
 import org.briarproject.api.contact.ContactId;
+import org.briarproject.api.contact.ContactManager;
 import org.briarproject.api.data.BdfDictionary;
 import org.briarproject.api.data.BdfEntry;
 import org.briarproject.api.data.BdfList;
@@ -59,6 +60,8 @@ public class BlogManagerImplTest extends BriarTestCase {
 	private final ClientHelper clientHelper = context.mock(ClientHelper.class);
 	private final MetadataParser metadataParser =
 			context.mock(MetadataParser.class);
+	private final ContactManager contactManager =
+			context.mock(ContactManager.class);
 	private final BlogFactory blogFactory = context.mock(BlogFactory.class);
 
 	private final Blog blog1, blog2;
@@ -67,7 +70,7 @@ public class BlogManagerImplTest extends BriarTestCase {
 
 	public BlogManagerImplTest() {
 		blogManager = new BlogManagerImpl(db, identityManager, clientHelper,
-				metadataParser, blogFactory);
+				metadataParser, contactManager, blogFactory);
 
 		blog1 = getBlog("Test Blog 1", "Test Description 1");
 		blog2 = getBlog("Test Blog 2", "Test Description 2");
@@ -246,6 +249,17 @@ public class BlogManagerImplTest extends BriarTestCase {
 		context.checking(new Expectations() {{
 			oneOf(db).startTransaction(false);
 			will(returnValue(txn));
+			oneOf(db).getGroup(txn, blog1.getId());
+			will(returnValue(blog1.getGroup()));
+			oneOf(clientHelper)
+					.getGroupMetadataAsDictionary(txn, blog1.getId());
+			oneOf(blogFactory).parseBlog(blog1.getGroup(), "");
+			will(returnValue(blog1));
+			oneOf(identityManager).getLocalAuthor(txn);
+			will(returnValue(blog2.getAuthor()));
+			oneOf(contactManager).contactExists(txn, blog1.getAuthor().getId(),