public void testRollback() {
assertTrue(library.getRevision() == 1);
Transaction txn = library.beginTransaction();
Database database = new Database("Database");
library.addDatabase(txn, database);
txn.rollback();
assertTrue(library.getRevision() == 1);
assertTrue(library.getDatabaseCount() == 0);
}
public void testExtendedCommit() {
Database database = new Database("Database");
Playlist playlist = new Playlist("Playlist");
assertTrue(library.getRevision() == 1);
assertTrue(library.getDatabaseCount() == 0);
assertTrue(database.getPlaylistCount() == 1); /* masterPlaylist!!! */
Transaction txn = library.beginTransaction();
database.addPlaylist(txn, playlist);
library.addDatabase(txn, database);
txn.commit();
assertTrue(library.getRevision() == 2); /* incremeted with each commit */
assertTrue(library.getDatabaseCount() == 1);
assertTrue(database.getPlaylistCount() == 2);
Transaction txn2 = library.beginTransaction();
database.setName(txn2, "NewDatabaseName");
playlist.setName(txn2, "NewPlaylistName");
library.setName(txn2, "NewLibraryName");
txn2.commit();
assertTrue(library.getRevision() == 3);
assertTrue(library.getDatabaseCount() == 1);
assertTrue(database.getPlaylistCount() == 2);
assertEquals(library.getName(), "NewLibraryName");
assertEquals(database.getName(), "NewDatabaseName");
assertEquals(playlist.getName(), "NewPlaylistName");
Song song1 = new Song("Song1");
Transaction txn3 = library.beginTransaction();
playlist.addSong(txn3, song1);
txn3.commit();
assertTrue(library.getRevision() == 4);
assertTrue(library.getDatabaseCount() == 1);
assertTrue(database.getPlaylistCount() == 2);
assertTrue(playlist.getSongCount() == 1 && playlist.containsSong(song1));
assertTrue(database.getSongCount() == 1 && database.containsSong(song1));
Playlist masterPlaylist = database.getMasterPlaylist();
assertFalse(masterPlaylist.getSongCount() == 1 && masterPlaylist.containsSong(song1));
}
public void testAutoCommit() {
int revision = library.getRevision();
Database database = new Database("Database");
Playlist playlist = new Playlist("Playlist");
Song song = new Song("Song");
library.addDatabase(null, database);
database.addPlaylist(null, playlist);
playlist.addSong(null, song);
library.commit(null);
assertTrue(library.containsDatabase(database));
assertTrue(database.containsPlaylist(playlist));
assertTrue(database.containsSong(song));
assertTrue(playlist.containsSong(song));
assertTrue(library.getRevision() == (revision + 1));
AutoCommitTransaction autoCommitTxn = new AutoCommitTransaction(library, 2000, 10);
// Test timed auto commit
int databaseSongCount = database.getSongCount();
int playlistSongCount = playlist.getSongCount();
for (int i = 0; i < 5; i++) {
song = new Song("Test Song: " + i);
playlist.addSong(autoCommitTxn, song);
}
try {
Thread.sleep(3000);
} catch (Exception err) {
assertTrue(false);
}
assertTrue(database.getSongCount() == (databaseSongCount + 5));
assertTrue(playlist.getSongCount() == (playlistSongCount + 5));
assertTrue(database.containsSong(song));
assertTrue(playlist.containsSong(song));
// Test enforced commit
databaseSongCount = database.getSongCount();
playlistSongCount = playlist.getSongCount();
// +3 for timed commit
Song[] songs = new Song[autoCommitTxn.getEnforceCommit() + 3];
for (int i = 0; i < songs.length; i++) {
songs[i] = new Song("Test Song: " + i);
playlist.addSong(autoCommitTxn, songs[i]);
}
assertTrue(database.getSongCount() == (databaseSongCount + autoCommitTxn.getEnforceCommit()));
assertTrue(playlist.getSongCount() == (playlistSongCount + autoCommitTxn.getEnforceCommit()));
assertTrue(database.containsSong(songs[9]));
assertTrue(playlist.containsSong(songs[9]));
databaseSongCount = database.getSongCount();
playlistSongCount = playlist.getSongCount();
try {
Thread.sleep(3000);
} catch (Exception err) {
assertTrue(false);
}
assertTrue(database.getSongCount() == (databaseSongCount + 3));
assertTrue(playlist.getSongCount() == (playlistSongCount + 3));
assertTrue(database.containsSong(songs[songs.length - 1]));
assertTrue(playlist.containsSong(songs[songs.length - 1]));
}