public void DoNothingIfParameterIsNull()
{
PlayerEventCatcher eventCatcher = new PlayerEventCatcher();
SongListViewModel viewModel = new SongListViewModel();
viewModel.AddSongsToPlayListCommand.Execute(null);
Assert.IsFalse(eventCatcher.AddToPlayListInvoked);
}
public void RaiseAddToPlayListEvent()
{
Song expectedSong = Create.Song();
PlayerEventCatcher eventCatcher = new PlayerEventCatcher();
SongListViewModel viewModel = new SongListViewModel();
viewModel.AddOneSongToPlayListCommand.Execute(expectedSong);
Assert.IsTrue(eventCatcher.AddToPlayListInvoked);
Assert.AreEqual(1, eventCatcher.AddToPlayListSong.Count);
CollectionAssert.Contains(eventCatcher.AddToPlayListSong, expectedSong);
}
public void RaiseDownloadTaskEventWith()
{
Song expectedSong = Create.Song();
TaskEventCatcher eventCatcher = new TaskEventCatcher();
SongListViewModel viewModel = new SongListViewModel();
viewModel.DownloadOneSongCommand.Execute(expectedSong);
Assert.IsTrue(eventCatcher.AddTaskInvoked);
Assert.AreEqual(1, eventCatcher.AddTaskTimes);
Assert.AreEqual(1, eventCatcher.TaskListToAdd.Count);
Assert.IsTrue( eventCatcher.TaskListToAdd[0] is DownloadTask);
DownloadTask expectedTask = (DownloadTask) eventCatcher.TaskListToAdd[0];
Assert.AreEqual(expectedSong, expectedTask.Song);
}
public void RaiseAddToPlayListEventWithSeveralSong()
{
Song expectedSong1 = Create.Song();
Song expectedSong2 = Create.Song();
ObservableCollection<Song> expectedSongs = new ObservableCollection<Song>(){expectedSong1, expectedSong2};
PlayerEventCatcher eventCatcher = new PlayerEventCatcher();
SongListViewModel viewModel = new SongListViewModel();
viewModel.AddSongsToPlayListCommand.Execute(expectedSongs);
Assert.IsTrue(eventCatcher.AddToPlayListInvoked);
Assert.AreEqual(2, eventCatcher.AddToPlayListSong.Count);
CollectionAssert.Contains(eventCatcher.AddToPlayListSong, expectedSong1);
CollectionAssert.Contains(eventCatcher.AddToPlayListSong, expectedSong1);
}
public void RaiseDownloadTaskEventWithSeveralSongs()
{
Song expectedSong1 = Create.Song();
Song expectedSong2 = Create.Song();
TaskEventCatcher eventCatcher = new TaskEventCatcher();
SongListViewModel viewModel = new SongListViewModel();
viewModel.DownloadSongListCommand.Execute(new ObservableCollection<Song>
{
expectedSong1,
expectedSong2
});
Assert.IsTrue(eventCatcher.AddTaskInvoked);
Assert.AreEqual(2, eventCatcher.AddTaskTimes);
Assert.AreEqual(2, eventCatcher.TaskListToAdd.Count);
Assert.IsTrue(eventCatcher.TaskListToAdd[0] is DownloadTask);
Assert.IsTrue(eventCatcher.TaskListToAdd[1] is DownloadTask);
DownloadTask expectedTask1 = (DownloadTask)eventCatcher.TaskListToAdd[0];
Assert.AreEqual(expectedSong1, expectedTask1.Song);
DownloadTask expectedTask2 = (DownloadTask)eventCatcher.TaskListToAdd[1];
Assert.AreEqual(expectedSong2, expectedTask2.Song);
}
public void RaiseOpenNewArtistView()
{
const string artist = "artist";
SongListViewModel viewModel = new SongListViewModel();
ContentBodyEventCatcher catcher = new ContentBodyEventCatcher();
viewModel.OpenArtistCommand.Execute(artist);
Assert.IsTrue(catcher.ChangeContentViewInvoked);
Assert.AreEqual(string.Format(MusicResource.ArtistTab, artist), catcher.MenuItem.Label);
}
