public void BindingIntoModelObjects()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.OneWayBind(view.ViewModel, x => x.Model.AnotherThing, x => x.SomeTextBox.Text);
Assert.Equal("Baz", view.SomeTextBox.Text);
}
public void BindingToItemsControl()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.OneWayBind(view.ViewModel, x => x.SomeCollectionOfStrings, x => x.SomeListBox.ItemsSource);
Assert.True(view.SomeListBox.ItemsSource.OfType <string>().Count() > 1);
}
public void ViewModelIndexerPropertyToView()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.OneWayBind(view.ViewModel, x => x.SomeCollectionOfStrings[0].Length, x => x.SomeTextBox.Text);
Assert.Equal("3", view.SomeTextBox.Text);
}
public void ItemsControlShouldGetADataTemplate()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
Assert.Null(view.FakeItemsControl.ItemTemplate);
view.OneWayBind(vm, x => x.SomeCollectionOfStrings, x => x.FakeItemsControl.ItemsSource);
Assert.NotNull(view.FakeItemsControl.ItemTemplate);
}
public void BindToShouldntInitiallySetToNull()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = null
};
view.OneWayBind(vm, x => x.Model.AnotherThing, x => x.FakeControl.NullHatingString);
Assert.Equal("", view.FakeControl.NullHatingString);
view.ViewModel = vm;
Assert.Equal(vm.Model.AnotherThing, view.FakeControl.NullHatingString);
}
public void ItemsControlWithDisplayMemberPathSetShouldNotGetADataTemplate()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.FakeItemsControl.DisplayMemberPath = "Bla";
Assert.Null(view.FakeItemsControl.ItemTemplate);
view.OneWayBind(vm, x => x.SomeCollectionOfStrings, x => x.FakeItemsControl.ItemsSource);
Assert.Null(view.FakeItemsControl.ItemTemplate);
}
public void ViewModelIndexerToViewChanges()
{
var vm = new PropertyBindViewModel();
var view = new PropertyBindView()
{
ViewModel = vm
};
view.OneWayBind(view.ViewModel, x => x.SomeCollectionOfStrings[0], x => x.SomeTextBox.Text);
Assert.Equal("Foo", view.SomeTextBox.Text);
vm.SomeCollectionOfStrings[0] = "Bar";
Assert.Equal("Bar", view.SomeTextBox.Text);
}