public async Task Handle_ValidCommand_ShouldAddToRepository()
{
var mockCityRepository = RepositoryMocks.GetCityRepository();
mockCityRepository.Setup(repo => repo.IsCityNameUnique(It.IsAny <string>())).ReturnsAsync(true);
var mockCountryRepository = RepositoryMocks.GetCountryRepository();
mockCountryRepository.Setup(repo => repo.GetByIdAsync(It.IsAny <Guid>())).ReturnsAsync(new Country {
CountryId = Guid.Parse("{3ae4e108-e2df-4893-958a-2d76ab89b9dc}"), Name = "Italy"
});
var initialListCount = (await mockCityRepository.Object.GetAllAsync()).Count;
var handler = new CreateCityCommandHandler(_mapper, mockCityRepository.Object, mockCountryRepository.Object);
var result = await handler.Handle(new CreateCityCommand { Name = "Naples", CountryId = Guid.Parse("{3ae4e108-e2df-4893-958a-2d76ab89b9dc}") }, CancellationToken.None);
result.Should().BeOfType(typeof(CityDto));
result.Name.Should().Be("Naples");
var cities = await mockCityRepository.Object.GetAllAsync();
cities.Count.Should().Be(initialListCount + 1);
mockCityRepository.Verify(repo => repo.AddAsync(It.IsAny <City>()), Times.Once());
}
public void Handle_InvalidCommand_ShouldThrowValidationException()
{
var mockCityRepository = RepositoryMocks.GetCityRepository();
mockCityRepository.Setup(repo => repo.IsCityNameUnique(It.IsAny <string>())).ReturnsAsync(false);
var mockCountryRepository = RepositoryMocks.GetCountryRepository();
mockCountryRepository.Setup(repo => repo.GetByIdAsync(It.IsAny <Guid>())).ReturnsAsync((Country)null);
var handler = new CreateCityCommandHandler(_mapper, mockCityRepository.Object, mockCountryRepository.Object);
Func <Task> func = async() => await handler.Handle(new CreateCityCommand { Name = "", CountryId = Guid.Empty }, CancellationToken.None);
func.Should().Throw <ValidationException>().Where(e => e.Errors.Count == 4 &&
e.Errors.Any(x => x.Contains("Name cannot be empty")) &&
e.Errors.Any(x => x.Contains("City with that name already exists")) &&
e.Errors.Any(x => x.Contains("Country Id cannot be empty")) &&
e.Errors.Any(x => x.Contains("Cannot find country with that id")));
mockCityRepository.Verify(repo => repo.AddAsync(It.IsAny <City>()), Times.Never());
}
public CreateCityCommandHandlerTests()
{
countryId = CommandArrangeHelper.GetCountryId(context);
mediator = new Mock <IMediator>();
sut = new CreateCityCommandHandler(context, mediator.Object);
}
