// ReSharper disable once InconsistentNaming
public async Task PopulateGenresAsync_should_add_new_genres()
{
var genresRepository = Substitute.For<IGenresRepository>();
var names = new[]
{
"action",
"drama",
"comedy"
};
genresRepository.GetGenresByNamesAsync(names).Returns(new Genre[0]);
var fetcher = new GenreFetcher(genresRepository);
var show = new Show();
await fetcher.PopulateGenresAsync(show, names);
await genresRepository.Received().GetGenresByNamesAsync(names);
var relationships = show.ShowsGenres.ToArray();
for (int i = 0; i < names.Length; i++)
{
Assert.Equal(names[i], relationships[i].Genre.Name);
}
}
// ReSharper disable once InconsistentNaming
public async Task PopulateGenresAsync_should_attach_existing_and_add_new_genres()
{
var genresRepository = Substitute.For<IGenresRepository>();
var names = new[]
{
"action",
"comedy",
"drama",
"Sci-Fi"
};
var genres = new[]
{
new Genre("action"),
new Genre("comedy")
};
genresRepository.GetGenresByNamesAsync(names).Returns(genres);
var fetcher = new GenreFetcher(genresRepository);
var show = new Show();
await fetcher.PopulateGenresAsync(show, names);
await genresRepository.Received().GetGenresByNamesAsync(names);
var relationships = show.ShowsGenres.ToArray();
Assert.Equal(genres[0], relationships[0].Genre);
Assert.Equal(genres[1], relationships[1].Genre);
Assert.Equal(names[2], relationships[2].Genre.Name);
Assert.Equal(names[3], relationships[3].Genre.Name);
}
// ReSharper disable once InconsistentNaming
public async Task PopulateGenresAsync_should_throw_if_passed_empty_array_genre_names()
{
var fetcher = new GenreFetcher(Substitute.For<IGenresRepository>());
await Assert.ThrowsAsync<ArgumentException>(async () => await fetcher.PopulateGenresAsync(new Show(), Array.Empty<string>()));
}
// ReSharper disable once InconsistentNaming
public async Task PopulateGenresAsync_should_query_the_genres_by_name()
{
var genresRepository = Substitute.For<IGenresRepository>();
var names = new[]
{
"action"
};
var genres = new[]
{
new Genre("action")
};
genresRepository.GetGenresByNamesAsync(names).Returns(genres);
var fetcher = new GenreFetcher(genresRepository);
var show = new Show();
await fetcher.PopulateGenresAsync(show, names);
await genresRepository.Received().GetGenresByNamesAsync(names);
}