public async Task NavigateToMainViewFromNoPage()
{
var fixture = CreateRoutedViewHost(initialViewModel: null);
var viewModel = await _navigationViewModel.Navigate(nameof(MainViewModel));
Assert.NotNull(viewModel);
var currentPage = fixture.CurrentPage;
Assert.NotNull(currentPage);
Assert.IsType <MainView>(currentPage);
Assert.IsType <MainViewModel>(currentPage.BindingContext);
Assert.Equal(viewModel, currentPage.BindingContext);
Assert.Equal("Main view", currentPage.Title);
Assert.Equal(1, fixture.StackDepth);
}
public async Task BeforeResolveCommand_cancels_when_other_navigation_is_happening(bool sameRouteNavigation, string route)
{
var originalRoute = sameRouteNavigation ? route : $"different_{route}";
var expected = sameRouteNavigation ? BeforeRouterResult.Ok(_ExpectedNewViewModel) : BeforeRouterResult.Cancel();
SetupRoute(originalRoute);
SetupRoute(route);
_NavigationViewModel.Navigate(originalRoute).DoNotWait();
var res = await _NavigationViewModel.BeforeResolveCommand.Execute(route);
res.Should().BeEquivalentTo(expected);
}
