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using System.Collections.Generic;
using System.Threading;
using Moq;
using NUnit.Framework;
using Xamarin.PropertyEditing.Drawing;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Tests
{
internal abstract class BrushPropertyViewModelTests : PropertyViewModelTests<CommonBrush, PropertyViewModel<CommonBrush>>
{
protected override PropertyViewModel<CommonBrush> GetViewModel (TargetPlatform platform, IPropertyInfo property, IEnumerable<IObjectEditor> editors)
{
return new BrushPropertyViewModel (platform, property, editors);
}
[Test]
public void SettingValueTriggersOpacityChange()
{
var mockProperty = new Mock<IPropertyInfo> ();
mockProperty.SetupGet (pi => pi.Type).Returns (typeof (CommonBrush));
var mockEditor = new MockObjectEditor (mockProperty.Object);
var vm = new BrushPropertyViewModel (MockEditorProvider.MockPlatform, mockProperty.Object, new[] { mockEditor });
var changed = false;
vm.PropertyChanged += (s, e) => {
if (e.PropertyName == nameof(BrushPropertyViewModel.Opacity)) {
changed = true;
}
};
vm.Value = GetRandomTestValue();
Assert.IsTrue (changed);
}
[Test]
public void ChangingEditorsUpdatesResources ()
{
var mockProperty = new Mock<IPropertyInfo> ();
mockProperty.SetupGet (pi => pi.Type).Returns (typeof (CommonBrush));
var mockEditor = new MockObjectEditor (mockProperty.Object);
var vm = new BrushPropertyViewModel (new TargetPlatform (new MockEditorProvider(), new MockResourceProvider()), mockProperty.Object, new [] { mockEditor });
var changed = false;
vm.PropertyChanged += (s, e) => {
if (e.PropertyName == nameof (BrushPropertyViewModel.ResourceSelector)) {
changed = true;
}
};
var rs1 = vm.ResourceSelector;
vm.Editors.Add (new MockObjectEditor ());
var rs2 = vm.ResourceSelector;
Assert.IsTrue (changed);
Assert.AreNotEqual (rs1, rs2);
}
[Test]
public void ResourcesChangedUpdatesResources ()
{
var mockProperty = new Mock<IPropertyInfo> ();
mockProperty.SetupGet (pi => pi.Type).Returns (typeof (CommonBrush));
var mockEditor = new MockObjectEditor (mockProperty.Object);
var resource1 = new Resource ("first");
var resources = new List<Resource> { resource1 };
var provider = new Mock<IResourceProvider>();
provider.Setup (p => p.GetResourceSourcesAsync (It.IsAny<object> ())).ReturnsAsync (new[] { MockResourceProvider.SystemResourcesSource });
provider.Setup (p => p.GetResourcesAsync (It.IsAny<object> (), mockProperty.Object, CancellationToken.None)).ReturnsAsync (resources);
var vm = new BrushPropertyViewModel (new TargetPlatform (new MockEditorProvider(), provider.Object), mockProperty.Object, new [] { mockEditor });
Assume.That (vm.ResourceSelector.Resources, Contains.Item (resource1));
var resource2 = new Resource ("second");
resources.Add (resource2);
provider.Raise (rp => rp.ResourcesChanged += null, new ResourcesChangedEventArgs());
Assert.That (vm.ResourceSelector.Resources, Contains.Item (resource1));
Assert.That (vm.ResourceSelector.Resources, Contains.Item (resource2));
}
}
}
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