public async Task LoadCommand_SetsItemsCorrectly()
{
// arrange
var navigationsServiceMock = new Mock <IMvxNavigationService>(MockBehavior.Loose);
var alertServiceMock = MockHelpers.CreateAlertService();
var zipCodesRepositoryMock = new Mock <IZipCodesRepository>(MockBehavior.Loose);
zipCodesRepositoryMock.Setup(mock => mock.GetAllForCity(It.IsAny <int>()))
.Returns(new[] { new ZipCodeModel {
Id = 1
} });
var viewModel = new ZipCodesViewModel(
navigationsServiceMock.Object,
alertServiceMock.Object,
zipCodesRepositoryMock.Object
);
// act
await viewModel.LoadCommand.ExecuteAsync();
// assert
Assert.AreEqual(1, viewModel.Items.Count);
}
public async Task SelectCommand_NavigatesToCorrectViewModelWithCorrectData()
{
// arrange
var navigationsServiceMock = new Mock <IMvxNavigationService>(MockBehavior.Loose);
var alertServiceMock = MockHelpers.CreateAlertService();
var zipCodesRepositoryMock = new Mock <IZipCodesRepository>(MockBehavior.Loose);
zipCodesRepositoryMock.Setup(mock => mock.GetAllForCity(It.IsAny <int>()))
.Returns(new[] { new ZipCodeModel {
Id = 1
} });
var viewModel = new ZipCodesViewModel(
navigationsServiceMock.Object,
alertServiceMock.Object,
zipCodesRepositoryMock.Object
);
// act
await viewModel.LoadCommand.ExecuteAsync();
await viewModel.SelectCommand.ExecuteAsync(viewModel.Items.First());
// assert
navigationsServiceMock.Verify(mock => mock.Navigate <ZipCodeViewModel, ZipCodeViewModel.Parameter>(
It.Is <ZipCodeViewModel.Parameter>(item => item.ZipCodeId == 1),
It.IsAny <IMvxBundle>()
), Times.Once());
}
public async Task LoadCommand_CallsZipCodesRepositoryWithCorrectData()
{
// arrange
var navigationsServiceMock = new Mock <IMvxNavigationService>(MockBehavior.Loose);
var alertServiceMock = MockHelpers.CreateAlertService();
var zipCodesRepositoryMock = new Mock <IZipCodesRepository>(MockBehavior.Loose);
var viewModel = new ZipCodesViewModel(
navigationsServiceMock.Object,
alertServiceMock.Object,
zipCodesRepositoryMock.Object
);
// act
await viewModel.Initialize(new ZipCodesViewModel.Parameter(3));
await viewModel.LoadCommand.ExecuteAsync();
// assert
zipCodesRepositoryMock.Verify(mock => mock.GetAllForCity(
It.Is <int>(item => item == 3)
), Times.Once());
}
public async Task LoadCommand_CallsAlertService_LoadFailure()
{
// arrange
var navigationsServiceMock = new Mock <IMvxNavigationService>(MockBehavior.Loose);
var alertServiceMock = MockHelpers.CreateAlertService();
var zipCodesRepositoryMock = new Mock <IZipCodesRepository>(MockBehavior.Strict);
var viewModel = new ZipCodesViewModel(
navigationsServiceMock.Object,
alertServiceMock.Object,
zipCodesRepositoryMock.Object
);
// act
await viewModel.LoadCommand.ExecuteAsync();
// assert
alertServiceMock.Verify(mock => mock.Alert(
It.IsAny <string>(),
It.IsAny <string>(),
It.IsAny <string>(),
It.IsAny <Action>()
), Times.Once());
}
