public async Task GetAllAsKeyValuePairsShouldWorkCorrect()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString()).Options;
using var db = new ApplicationDbContext(options);
var repository = new EfRepository <Country>(db);
await repository.AddAsync(new Country { Id = 1, Name = "Bulgaria" });
await repository.AddAsync(new Country { Id = 2, Name = "Nigeria" });
await repository.AddAsync(new Country { Id = 3, Name = "Germany" });
await repository.SaveChangesAsync();
var service = new CountriesService(repository);
var result = service.GetAllAsKeyValuePairs()
.Select(x => x.Key + "=>" + x.Value)
.ToList();
Assert.Equal(3, result.Count());
// order should be by name
Assert.Equal("1=>Bulgaria", result[0]);
Assert.Equal("2=>Nigeria", result[2]);
Assert.Equal("3=>Germany", result[1]);
}
