public void shouldReturnFromRestPetAPI()
{
var result = repository.GetOwnersFromRest();
Assert.AreEqual(6, result.Count);
Assert.AreEqual(2, result[0].Pets.Count);
}
public Dictionary <string, List <string> > GetPetsByGender(string petType)
{
var petOwners = petRepository.GetOwnersFromRest();
//flat map the list and considered the pets are null
var qry = petOwners.Where(x => x.Pets != null)
.SelectMany(x => x.Pets, (a, b) => new { Gender = a.Gender, PetName = b.Name, Type = b.Type })
.Where(t => t.Type == petType)
.OrderBy(y => y.PetName)
.ToList();
//group the data and conver to dictionary
var ret = qry.GroupBy(x => x.Gender)
.ToDictionary(grp => grp.Key, grp => grp.Select(x => x.PetName).ToList());
return(ret);
}