public async Task DeleteAsync_given_existing_episodeId_deletes_cascading()
{
using (var connection = await CreateConnectionAsync())
using (var context = await CreateContextAsync(connection))
{
var entity = new Episode {
Title = "The Series Has Landed", EpisodeCharacters = new[] { new EpisodeCharacter {
Character = new Character {
Name = "Bender", Species = "Robot"
}
} }
};
context.Episodes.Add(entity);
await context.SaveChangesAsync();
var id = entity.Id;
var repository = new EpisodeRepository(context);
await repository.DeleteAsync(id);
Assert.Null(await context.Episodes.FindAsync(id));
Assert.Empty(await context.EpisodeCharacters.ToListAsync());
Assert.NotNull(await context.Characters.FirstOrDefaultAsync(c => c.Name == "Bender"));
}
}
public async Task DeleteAsync_given_non_existing_episodeId_returns_false()
{
using (var connection = await CreateConnectionAsync())
using (var context = await CreateContextAsync(connection))
{
var repository = new EpisodeRepository(context);
var deleted = await repository.DeleteAsync(0);
Assert.False(deleted);
}
}
public async Task DeleteAsync_given_existing_episodeId_returns_true()
{
using (var connection = await CreateConnectionAsync())
using (var context = await CreateContextAsync(connection))
{
var entity = new Episode {
Title = "The Series Has Landed"
};
context.Episodes.Add(entity);
await context.SaveChangesAsync();
var id = entity.Id;
var repository = new EpisodeRepository(context);
var deleted = await repository.DeleteAsync(id);
Assert.True(deleted);
}
}