public void UsesMasterDetailPage_WhenParentIsMaster()
{
var app = CreateMockApplication();
var layout = new Button();
var serviceProvider = new XamlServiceProvider();
serviceProvider.Add(typeof(IProvideValueTarget), new XamlValueTargetProvider(layout, "Command"));
var navigateExtension = new NavigateToExtension()
{
Name = "SomeOtherView"
};
navigateExtension.ProvideValue(serviceProvider);
app.MainPage = new MasterDetailPage
{
Master = new ContentPage
{
Title = "Test",
Content = layout
},
Detail = new NavigationPage(new ContentPage())
};
Assert.NotNull(layout.Parent);
Assert.IsType <ContentPage>(layout.Parent);
Assert.NotNull(navigateExtension.SourcePage);
Assert.IsType <MasterDetailPage>(navigateExtension.SourcePage);
}
public void RequiresServiceProvider()
{
var navigateExtension = new NavigateToExtension();
var ex = Record.Exception(() => navigateExtension.ProvideValue(null));
Assert.NotNull(ex);
Assert.IsType <ArgumentNullException>(ex);
}
public void ProvidesCommand()
{
var serviceProvider = new XamlServiceProvider();
var navigateExtension = new NavigateToExtension();
object providedValue = null;
var ex = Record.Exception(() => providedValue = navigateExtension.ProvideValue(serviceProvider));
Assert.Null(ex);
Assert.NotNull(providedValue);
Assert.IsAssignableFrom <ICommand>(providedValue);
}
public async Task ResolvesParentElementFrom_EventToCommandBehavior()
{
var app = CreateMockApplication();
Log.Listeners.Clear();
var logObserver = new FormsLogObserver();
Log.Listeners.Add(logObserver);
var behavior = new EventToCommandBehavior()
{
EventName = "ItemTapped"
};
var layout = new ListView();
layout.Behaviors.Add(behavior);
var serviceProvider = new XamlServiceProvider();
serviceProvider.Add(typeof(IProvideValueTarget), new XamlValueTargetProvider(behavior, "Command"));
var navigateExtension = new NavigateToExtension()
{
Name = "/AutowireView"
};
navigateExtension.ProvideValue(serviceProvider);
app.MainPage = new NavigationPage(new ContentPage
{
Content = layout
});
Assert.NotNull(layout.Parent);
Assert.IsType <ContentPage>(layout.Parent);
Assert.NotNull(navigateExtension.SourcePage);
Assert.True(navigateExtension.CanExecute(null));
var ex = await Record.ExceptionAsync(async() =>
{
navigateExtension.Execute(null);
if (navigateExtension.IsNavigating)
{
await Task.Delay(100);
}
});
Assert.Null(ex);
Assert.Empty(logObserver.Logs);
Assert.IsType <AutowireView>(app.MainPage);
}
public async Task LogsNavigationErrors_WithoutThrowingException()
{
var app = CreateMockApplication();
Log.Listeners.Clear();
var logObserver = new FormsLogObserver();
Log.Listeners.Add(logObserver);
var layout = new Button();
var serviceProvider = new XamlServiceProvider();
serviceProvider.Add(typeof(IProvideValueTarget), new XamlValueTargetProvider(layout, "Command"));
var navigateExtension = new NavigateToExtension()
{
Name = "/NonExistentPage"
};
navigateExtension.ProvideValue(serviceProvider);
app.MainPage = new NavigationPage(new ContentPage
{
Content = layout
});
Assert.NotNull(layout.Parent);
Assert.IsType <ContentPage>(layout.Parent);
Assert.NotNull(navigateExtension.SourcePage);
Assert.True(navigateExtension.CanExecute(null));
var ex = await Record.ExceptionAsync(async() =>
{
navigateExtension.Execute(null);
if (navigateExtension.IsNavigating)
{
await Task.Delay(100);
}
});
Assert.Null(ex);
Assert.NotEmpty(logObserver.Logs);
Assert.IsType <NavigationPage>(app.MainPage);
}
