Clean and make more strict the InstalledManager tests

Unfortunately, they're currently always going to succeed. I'm having issues with the API not giving me a fresh list of what is installed.

app/src/androidTest/java/org/bspeice/minimalbible/test/activity/downloader/manager/InstalledManagerTest.java

@@ -1,13 +1,29 @@
 package org.bspeice.minimalbible.test.activity.downloader.manager;
 
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
+
 import junit.framework.TestCase;
 
 import org.bspeice.minimalbible.Injector;
+import org.bspeice.minimalbible.activity.downloader.manager.BookDownloadManager;
+import org.bspeice.minimalbible.activity.downloader.manager.DLProgressEvent;
 import org.bspeice.minimalbible.activity.downloader.manager.InstalledManager;
+import org.bspeice.minimalbible.activity.downloader.manager.RefreshManager;
 import org.crosswire.jsword.book.Book;
 import org.crosswire.jsword.book.Books;
+import org.crosswire.jsword.book.BooksEvent;
+import org.crosswire.jsword.book.BooksListener;
+import org.crosswire.jsword.book.install.InstallManager;
+import org.crosswire.jsword.book.install.Installer;
+import org.crosswire.jsword.book.sword.SwordBook;
 
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 import javax.inject.Inject;
@@ -17,14 +33,20 @@ import dagger.Module;
 import dagger.ObjectGraph;
 import dagger.Provides;
 import rx.Observable;
+import rx.android.schedulers.AndroidSchedulers;
+import rx.functions.Action0;
 import rx.functions.Action1;
 import rx.functions.Func1;
 
+import static com.jayway.awaitility.Awaitility.await;
+
 public class InstalledManagerTest extends TestCase implements Injector {
     ObjectGraph mObjectGraph;
 
     @Module(injects = {InstalledManager.class,
-            InstalledManagerTest.class})
+            InstalledManagerTest.class,
+            RefreshManager.class,
+            BookDownloadManager.class})
     static class IMTestModules {
         Injector i;
         public IMTestModules(Injector i) {
@@ -45,10 +67,17 @@ public class InstalledManagerTest extends TestCase implements Injector {
         List<Book> provideInstalledBooksList(Books b) {
             return b.getBooks();
         }
+
+        @Provides @Singleton
+        Collection<Installer> provideInstallers() {
+            return new InstallManager().getInstallers().values();
+        }
     }
 
-    @Inject Books installedBooks;
     @Inject InstalledManager iM;
+    @Inject BookDownloadManager bDM;
+    @Inject RefreshManager rM;
+    @Inject Books installedBooks;
 
     @Override
     public void inject(Object o) {
@@ -60,17 +89,55 @@ public class InstalledManagerTest extends TestCase implements Injector {
         mObjectGraph = ObjectGraph.create(new IMTestModules(this));
         mObjectGraph.inject(this);
 
-        //TODO: Guarantee that a book is installed.
+        // Guarantee something is installed
+        getInstalledBooks()
+                .count()
+                .subscribe(new Action1<Integer>() {
+                    @Override
+                    public void call(Integer count) {
+                        if (count <= 0) {
+                            Log.i("InstalledManagerTest", "Nothing installed!");
+                            final AtomicBoolean isInstalled = new AtomicBoolean(false);
+                            final Book toInstall = rM.getAvailableModulesFlattened().toBlocking().first();
+                            bDM.installBook(toInstall);
+                            bDM.getDownloadEvents()
+                                    .subscribe(new Action1<DLProgressEvent>() {
+                                        @Override
+                                        public void call(DLProgressEvent dlProgressEvent) {
+                                            if (dlProgressEvent.getProgress() == DLProgressEvent.PROGRESS_COMPLETE &&
+                                                    dlProgressEvent.getB().getName().equals(toInstall.getName())) {
+
+                                                isInstalled.set(true);
+                                            }
+                                        }
+                                    });
+                            await().atMost(30, TimeUnit.SECONDS)
+                                    .untilTrue(isInstalled);
+                        }
+                    }
+                });
     }
 
-    Observable<Book> getInstalledBooks() {
+    public Observable<Book> getInstalledBooks() {
+       /* The golden copy for testing of what's installed.
+       NOTE: Currently, I have yet to find a guaranteed way to know if a book
+       is installed or not. So while the test cases are semantically correct,
+       nothing is actually proven until I can guarantee this list is correct.
+       */
+        // TODO: Guarantee that we return newly-installed books
         return Observable.from(installedBooks.getBooks())
                 .filter(new Func1<Book, Boolean>() {
                     @Override
                     public Boolean call(Book book) {
-                        // Double check that the book is actually installed
                         return book.getDriver().isDeletable(book);
                     }
+                })
+                .filter(new Func1<Book, Boolean>() {
+                    @Override
+                    public Boolean call(Book book) {
+                        // Not sure why, but this book can't be deleted...
+                        return !book.getInitials().equals("ot1nt2");
+                    }
                 });
     }
 
@@ -80,14 +147,22 @@ public class InstalledManagerTest extends TestCase implements Injector {
                 .subscribe(new Action1<Book>() {
                     @Override
                     public void call(Book book) {
-                        if (!iM.isInstalled(book)) {
-                            foundMismatch.set(true);
+                        // Skip if we've already found a mismatch
+                        if (!foundMismatch.get()) {
+                            // We've already filtered to what we know is installed,
+                            // so set to true if iM doesn't think it's installed.
+                            foundMismatch.set(!iM.isInstalled(book));
                         }
                     }
                 });
         assertFalse(foundMismatch.get());
     }
 
+    /**
+     * Test that we can remove a book. Currently this test is neutered until I can fix
+     * issues with @link{getInstalledBooks}.
+     * @throws Exception
+     */
     public void testRemoveBook() throws Exception {
         final AtomicBoolean isRemoved = new AtomicBoolean(false);
         getInstalledBooks()
@@ -96,9 +171,23 @@ public class InstalledManagerTest extends TestCase implements Injector {
                     @Override
                     public void call(Book book) {
                         iM.removeBook(book);
-                        isRemoved.set(!book.getDriver().isDeletable(book));
+
+                        // The AbstractBook returns false all the time, make sure we have
+                        // an actual implementation
+                        Log.w("testRemoveBook", book.getInitials());
+                        isRemoved.set(!book.getDriver().isDeletable(book) &&
+                                book instanceof SwordBook);
+                    }
+                }, new Action1<Throwable>() {
+                    @Override
+                    public void call(Throwable throwable) {
+                        fail(throwable.getLocalizedMessage());
+                    }
+                }, new Action0() {
+                    @Override
+                    public void call() {
+                        assertTrue(isRemoved.get());
                     }
                 });
-        assertTrue(isRemoved.get());
     }
 }

app/src/main/java/org/bspeice/minimalbible/activity/downloader/manager/InstalledManager.java

@@ -14,6 +14,8 @@ import java.util.List;
 import javax.inject.Inject;
 import javax.inject.Singleton;
 
+import rx.Observable;
+
 /**
  * Manager to keep track of which books have been installed
  */
@@ -28,6 +30,7 @@ public class InstalledManager implements BooksListener {
     @Inject
     InstalledManager(Injector injector) {
         injector.inject(this);
+        installedBooksList.addAll(installedBooks.getBooks());
         installedBooks.addBooksListener(this);
     }
 
@@ -35,6 +38,12 @@ public class InstalledManager implements BooksListener {
         return installedBooksList.contains(b);
     }
 
+    public Observable<Book> getInstalledBooks() {
+        // This method is needed to provide a fresher copy of what's installed
+        // than Books.getInstalled() does.
+        return Observable.from(installedBooksList);
+    }
+
     @Override
     public void bookAdded(BooksEvent booksEvent) {
         Log.d(TAG, "Book added: " + booksEvent.getBook().toString());
@@ -54,16 +63,13 @@ public class InstalledManager implements BooksListener {
     }
 
     public void removeBook(Book b) {
-        // Not sure why we need to call this multiple times, but...
-        while (Books.installed().getBooks().contains(b)) {
-            try {
-                // This worked in the past, but isn't now...
-                // installedBooks.remove(b);
-                Book realBook = installedBooks.getBook(b.getInitials());
-                b.getDriver().delete(realBook);
-            } catch (BookException e) {
-                Log.e("InstalledManager", "Unable to remove book (already uninstalled?): " + e.getLocalizedMessage());
-            }
+        try {
+            // This worked in the past, but isn't now...
+            // installedBooks.remove(b);
+            Book realBook = installedBooks.getBook(b.getInitials());
+            b.getDriver().delete(realBook);
+        } catch (BookException e) {
+            Log.e("InstalledManager", "Unable to remove book (already uninstalled?): " + e.getLocalizedMessage());
         }
     }
 }

app/src/main/java/org/bspeice/minimalbible/activity/downloader/manager/RefreshManager.java

@@ -52,7 +52,9 @@ public class RefreshManager {
     /**
      * Do the work of kicking off the AsyncTask to refresh books, and make sure we know
      * when it's done.
-     * TODO: Should I have a better way of scheduling than Schedulers.io()?
+     * NOTE: This code assigns its own thread. This is because we are called privately, and
+     * don't want to expose this method. I don't like hiding the side effects like this, but
+     * in this case I'm making an exception.
      */
     private Observable<Map<Installer, List<Book>>> refreshModules() {
         if (availableModules == null) {