public void IsBusyDoesntRaisePropertyChangeIfTheValueDoesntChange()
{
var vm = new ViewModelWithEvents();
vm.MonitorEvents();
vm.IsBusy = false;
vm.ShouldNotRaisePropertyChangeFor(v => v.IsBusy);
}
public void FireEventFiresEventWithParameterisedArgsPassedByValue()
{
var vm = new ViewModelWithEvents();
vm.MonitorEvents();
vm.FireEventWithStringArgsPassingValue("HelloWorld");
vm.ShouldRaise("EventWithStringArgs").WithArgs <EventArgs <string> >(a => a.Value == "HelloWorld");
}
public void FireEventFiresEventWithBasicArgs()
{
var vm = new ViewModelWithEvents();
vm.MonitorEvents();
vm.FireEventWithBasicArgs();
vm.ShouldRaise("EventWithBasicArgs").WithArgs <MyEventArgs>(a => true);
}
public void FireEventFiresEventWithNoArgs()
{
var vm = new ViewModelWithEvents();
vm.MonitorEvents();
vm.FireEventWithNoArgs();
vm.ShouldRaise("EventWithNoArgs").WithArgs <EventArgs>(a => a == EventArgs.Empty);
}
public void FireEventFiresEventWithParameterisedArgsPassedByValueAndReturnsArgs()
{
var vm = new ViewModelWithEvents();
vm.EventWithStringArgs += (s, e) => e.Value = "FooBar";
var args = vm.FireEventWithStringArgsPassingValue("HelloWorld");
args.Should().Be("FooBar");
}
public void FireEventFiresEventWithBasicArgsAndReturnsArgs()
{
var vm = new ViewModelWithEvents();
vm.EventWithBasicArgs += (s, e) => e.Passed = true;
var retVal = vm.FireEventWithBasicArgs();
retVal.Passed.Should().BeTrue();
}
public async Task BusyIndicatorRaisesPropertyChangeAfterRunAction()
{
var vm = new ViewModelWithEvents();
#pragma warning disable 1998
await vm.RunWithBusyIndicatorAsync(async() => vm.MonitorEvents());
#pragma warning restore 1998
vm.ShouldRaisePropertyChangeFor(v => v.IsBusy);
}
public async Task RunActionIsRunAndReturnsResult()
{
var vm = new ViewModelWithEvents();
#pragma warning disable 1998
var isRun = await vm.RunWithBusyIndicatorAsync(async() => true);
#pragma warning restore 1998
isRun.Should().BeTrue();
}
public async Task RunActionIsRun()
{
var isRun = false;
var vm = new ViewModelWithEvents();
#pragma warning disable 1998
await vm.RunWithBusyIndicatorAsync(async() =>
#pragma warning restore 1998
{
isRun = true;
});
isRun.Should().BeTrue();
}
public async Task BusyIndicatorIsToggledAroundRunAction()
{
var vm = new ViewModelWithEvents();
var busyStates = new List <bool> {
vm.IsBusy
};
await vm.RunWithBusyIndicatorAsync(async() =>
{
await Task.Delay(100);
busyStates.Add(vm.IsBusy);
});
busyStates.Add(vm.IsBusy);
busyStates.Should().HaveCount(3);
busyStates.Should().ContainInOrder(new List <bool>
{
false,
true,
false
});
}
