public async Task LoadCountersAsyncShouldLoadTheCountersFromTheDatabase()
{
_mockDatabaseHelper.Setup(d => d.GetAllCountersAsync()).ReturnsAsync(new List<Counter> { _monkeyCounter, _platypusCounter });
var vm = new CountersViewModel(_mockDatabaseHelper.Object, _mockNavigationService.Object, _mockDialogService.Object);
await vm.LoadCountersAsync();
vm.Counters.Should().HaveCount(2);
vm.Counters.Should().Contain(c => Matches(c, _monkeyCounter));
vm.Counters.Should().Contain(c => Matches(c, _platypusCounter));
}
public void CountersChangingInTheDatabaseShouldReloadTheCounters()
{
var vm = new CountersViewModel(_mockDatabaseHelper.Object, _mockNavigationService.Object, _mockDialogService.Object);
_mockDatabaseHelper.Raise(d => d.CountersChanged += null, new EventArgs());
_mockDatabaseHelper.Verify(d => d.GetAllCountersAsync(), Times.Once);
GC.KeepAlive(vm);
}
public void ExecutingAddNewCounterCommandShouldNavigateToTheNewCounterActivity()
{
var vm = new CountersViewModel(_mockDatabaseHelper.Object, _mockNavigationService.Object, _mockDialogService.Object);
vm.AddNewCounterCommand.Execute(null);
_mockNavigationService.Verify(n => n.NavigateTo(ViewModelLocator.NewCounterPageKey), Times.Once);
}