/// <summary>
/// Retrieves top artists of a selected genre from Nokia Music API.
/// </summary>
/// <param name="id">Id of the genre.</param>
public void GetTopArtistsForGenre(string id)
{
if (!initialized)
{
return;
}
client.GetTopArtistsForGenre((ListResponse <Artist> response) =>
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
// Use results
if (response != null && response.Result != null && response.Result.Count > 0)
{
App.ViewModel.TopArtistsForGenre.Clear();
foreach (Artist a in response.Result)
{
App.ViewModel.TopArtistsForGenre.Add(new ArtistModel()
{
Name = a.Name,
Country = CountryCodes.CountryNameFromTwoLetter(a.Country),
Genres = a.Genres[0].Name,
Thumb100Uri = a.Thumb100Uri,
Thumb200Uri = a.Thumb200Uri,
Thumb320Uri = a.Thumb320Uri,
Id = a.Id,
ItemWidth = "205",
ItemHeight = "205"
});
}
}
if (response != null && response.Error != null)
{
ShowNokiaMusicApiError();
}
HideProgressIndicator("GetTopArtistsForGenre()");
});
}, id);
ShowProgressIndicator("GetTopArtistsForGenre()");
}
public void EnsureGetTopArtistsForGenreReturnsErrorForFailedCall()
{
IMusicClient client = new MusicClient("test", "gb", new MockApiRequestHandler(FakeResponse.NotFound()));
client.GetTopArtistsForGenre(
(ListResponse<Artist> result) =>
{
Assert.IsNotNull(result, "Expected a result");
Assert.IsNotNull(result.StatusCode, "Expected a status code");
Assert.IsTrue(result.StatusCode.HasValue, "Expected a status code");
Assert.AreNotEqual(HttpStatusCode.OK, result.StatusCode.Value, "Expected a non-200 response");
Assert.IsNull(result.Result, "Expected no results");
Assert.IsNotNull(result.Error, "Expected an error");
Assert.AreEqual(typeof(ApiCallFailedException), result.Error.GetType(), "Expected an ApiCallFailedException");
},
"rock");
}
public void EnsureGetTopArtistsForGenreReturnsArtists()
{
IMusicClient client = new MusicClient("test", "gb", new MockApiRequestHandler(Resources.top_artists_genre));
client.GetTopArtistsForGenre(
(ListResponse<Artist> result) =>
{
Assert.IsNotNull(result, "Expected a result");
Assert.IsNotNull(result.StatusCode, "Expected a status code");
Assert.IsTrue(result.StatusCode.HasValue, "Expected a status code");
Assert.AreEqual(HttpStatusCode.OK, result.StatusCode.Value, "Expected a 200 response");
Assert.IsNotNull(result.Result, "Expected a list of results");
Assert.IsNull(result.Error, "Expected no error");
Assert.Greater(result.Result.Count, 0, "Expected more than 0 results");
},
new Genre() { Id = "rock" });
}
public void EnsureGetTopArtistsForGenreThrowsExceptionForNullCallback()
{
IMusicClient client = new MusicClient("test", "gb", new MockApiRequestHandler(Resources.top_artists_genre));
client.GetTopArtistsForGenre(null, "rock");
}
public void EnsureGetTopArtistsForGenreThrowsExceptionForNullGenre()
{
Genre nullGenre = null;
IMusicClient client = new MusicClient("test", "gb", new MockApiRequestHandler(Resources.top_artists_genre));
client.GetTopArtistsForGenre((ListResponse<Artist> result) => { }, nullGenre);
}
public void EnsureGetTopArtistsForGenreThrowsExceptionForNullCallback()
{
IMusicClient client = new MusicClient("test", "test", "gb", new SuccessfulMockApiRequestHandler());
client.GetTopArtistsForGenre(null, "rock");
}
public void EnsureGetTopArtistsForGenreThrowsExceptionForNullGenreId()
{
string nullId = null;
IMusicClient client = new MusicClient("test", "test", "gb", new SuccessfulMockApiRequestHandler());
client.GetTopArtistsForGenre((ListResponse<Artist> result) => { }, nullId);
}
