public async Task Throws_RequestException_Contact_Not_Found()
{
using var factory = new AppDbContextFactory();
using var context = factory.CreateContext();
// Arrange
var sut = new UpdateContactHandler(_logger, context, _mediator.Object);
var cmd = new UpdateContactCommand
{
Id = int.MaxValue,
Name = "A",
Address = "A",
DateOfBirth = DateTime.Now.AddDays(-1)
};
// Act & Assert
var ex = await Assert.ThrowsAsync <RequestException>(() => sut.Handle(cmd));
_mediator.Verify(m => m.Publish(It.IsAny <ContactUpdatedNotification>(), default), Times.Never());
}
private async void OnSave(object sender, EventArgs e)
{
var contact = BindingContext as ContactBook;
if (string.IsNullOrEmpty(contact.FirstName) || string.IsNullOrEmpty(contact.LastName))
{
await DisplayAlert("Error", "Please enter the name.", "OK");
return;
}
if (contact.Id == 0)
{
AddContactHandler?.Invoke(this, contact);
}
else
{
UpdateContactHandler?.Invoke(this, contact);
}
await Navigation.PopAsync();
}
public async Task Throws_RequestException_Contact_Exists()
{
using var factory = new AppDbContextFactory();
using var context = factory.CreateContext(true);
// Arrange
var sut = new UpdateContactHandler(_logger, context, _mediator.Object);
var contacts = context.Contacts.ToList();
var c1 = contacts.First();
var c2 = contacts.Last();
var cmd = new UpdateContactCommand
{
Id = c2.Id,
Name = c1.Name.ToLower(),
Address = c1.Address.ToUpper(),
DateOfBirth = c1.DateOfBirth
};
// Act & Assert
var ex = await Assert.ThrowsAsync <RequestException>(() => sut.Handle(cmd));
_mediator.Verify(m => m.Publish(It.IsAny <ContactUpdatedNotification>(), default), Times.Never());
}
public async Task OK()
{
using var factory = new AppDbContextFactory();
using var context = factory.CreateContext(true);
// Arrange
var sut = new UpdateContactHandler(_logger, context, _mediator.Object);
var contact = context.Contacts.First();
var cmd = new UpdateContactCommand
{
Id = contact.Id,
Name = "C",
Address = "C",
DateOfBirth = DateTime.Now.AddDays(-1)
};
// Act
var result = await sut.Handle(cmd);
// Assert
Assert.True(contact.Name == "C");
Assert.True(contact.Address == "C");
_mediator.Verify(m => m.Publish(It.IsAny <ContactUpdatedNotification>(), default), Times.Once());
}
