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using System.Collections.Specialized;
using Moq;
using NUnit.Framework;
using Xamarin.PropertyEditing.ViewModels;
namespace Xamarin.PropertyEditing.Tests
{
[TestFixture]
internal class PropertyGroupViewModelTests
{
[Test]
public void PropertyGroup ()
{
IObjectEditor editor = null;
var prop = new Mock<IPropertyInfo> ();
prop.SetupGet (p => p.Type).Returns (typeof(int));
var prop2 = new Mock<IPropertyInfo> ();
prop2.SetupGet (p => p.Type).Returns (typeof(int));
editor = new MockObjectEditor (prop.Object, prop2.Object);
var pvm = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop.Object, new[] { editor });
var pvm2 = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop2.Object, new[] { editor });
var vm = new PropertyGroupViewModel (MockEditorProvider.MockPlatform, "category", new[] { pvm, pvm2 }, new [] { editor});
Assert.That (vm.Properties, Contains.Item (pvm));
Assert.That (vm.Properties, Contains.Item (pvm2));
}
[Test]
public void UnavailablePropertyNotInList ()
{
IObjectEditor editor;
var constraint = new Mock<IAvailabilityConstraint>();
var prop = new Mock<IPropertyInfo> ();
prop.SetupGet (p => p.Type).Returns (typeof(int));
prop.SetupGet (p => p.AvailabilityConstraints).Returns (new[] { constraint.Object });
var constraint2 = new Mock<IAvailabilityConstraint> ();
var prop2 = new Mock<IPropertyInfo> ();
prop2.SetupGet (p => p.Type).Returns (typeof(int));
prop2.SetupGet (p => p.AvailabilityConstraints).Returns (new[] { constraint2.Object });
editor = new MockObjectEditor (prop.Object, prop2.Object);
constraint.Setup (c => c.GetIsAvailableAsync (editor)).ReturnsAsync (true);
constraint2.Setup (c => c.GetIsAvailableAsync (editor)).ReturnsAsync (false);
var pvm = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop.Object, new[] { editor });
var pvm2 = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop2.Object, new[] { editor });
var vm = new PropertyGroupViewModel (MockEditorProvider.MockPlatform, "category", new[] { pvm, pvm2 }, new [] { editor});
Assert.That (vm.Properties, Contains.Item (pvm));
Assert.That (vm.Properties, Does.Not.Contain (pvm2));
}
[Test]
public void AvailabilityUpdates ()
{
IObjectEditor editor = null;
var constraint = new Mock<IAvailabilityConstraint>();
var prop = new Mock<IPropertyInfo> ();
prop.SetupGet (p => p.Type).Returns (typeof(int));
prop.SetupGet (p => p.AvailabilityConstraints).Returns (new[] { constraint.Object });
bool isAvailable = false;
var constraint2 = new Mock<IAvailabilityConstraint> ();
constraint2.SetupGet (a => a.ConstrainingProperties).Returns (new[] { prop.Object });
var prop2 = new Mock<IPropertyInfo> ();
prop2.SetupGet (p => p.Type).Returns (typeof(int));
prop2.SetupGet (p => p.AvailabilityConstraints).Returns (new[] { constraint2.Object });
editor = new MockObjectEditor (prop.Object, prop2.Object);
constraint.Setup (c => c.GetIsAvailableAsync (editor)).ReturnsAsync (true);
constraint2.Setup (c => c.GetIsAvailableAsync (editor)).ReturnsAsync (() => isAvailable);
var pvm = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop.Object, new[] { editor });
var pvm2 = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop2.Object, new[] { editor });
var vm = new PropertyGroupViewModel (MockEditorProvider.MockPlatform, "category", new[] { pvm, pvm2 }, new [] { editor});
Assume.That (vm.Properties, Contains.Item (pvm));
Assume.That (vm.Properties, Does.Not.Contain (pvm2));
INotifyCollectionChanged notify = vm.Properties as INotifyCollectionChanged;
Assume.That (notify, Is.Not.Null);
bool changed = false;
notify.CollectionChanged += (sender, args) => {
if (args.Action == NotifyCollectionChangedAction.Add && args.NewItems[0] == pvm2)
changed = true;
};
isAvailable = true;
// Bit of integration here, constrainting property changes will trigger availability requery
pvm.Value = 5;
Assert.That (changed, Is.True);
Assert.That (vm.Properties, Contains.Item (pvm));
Assert.That (vm.Properties, Contains.Item (pvm2));
}
[Test]
public void Filtered ()
{
IObjectEditor editor = null;
var prop = new Mock<IPropertyInfo> ();
prop.SetupGet (p => p.Type).Returns (typeof(int));
prop.SetupGet (p => p.Name).Returns ("one");
var prop2 = new Mock<IPropertyInfo> ();
prop2.SetupGet (p => p.Type).Returns (typeof(int));
prop2.SetupGet (p => p.Name).Returns ("two");
editor = new MockObjectEditor (prop.Object, prop2.Object);
var pvm = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop.Object, new[] { editor });
var pvm2 = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop2.Object, new[] { editor });
var vm = new PropertyGroupViewModel (MockEditorProvider.MockPlatform, "category", new[] { pvm, pvm2 }, new [] { editor});
Assume.That (vm.Properties, Contains.Item (pvm));
Assume.That (vm.Properties, Contains.Item (pvm2));
INotifyCollectionChanged notify = vm.Properties as INotifyCollectionChanged;
Assume.That (notify, Is.Not.Null);
bool changed = false;
notify.CollectionChanged += (sender, args) => {
if (args.Action == NotifyCollectionChangedAction.Remove && args.OldItems[0] == pvm)
changed = true;
};
vm.FilterText = "t";
Assert.That (changed, Is.True, "Collection changed event didn't trigger correctly");
Assert.That (vm.Properties, Contains.Item (pvm2));
Assert.That (vm.Properties, Does.Not.Contain (pvm));
Assert.That (vm.HasChildElements, Is.True);
}
[Test]
public void FilteredOutOfChildren ()
{
IObjectEditor editor = null;
var prop = new Mock<IPropertyInfo> ();
prop.SetupGet (p => p.Type).Returns (typeof(int));
prop.SetupGet (p => p.Name).Returns ("one");
var prop2 = new Mock<IPropertyInfo> ();
prop2.SetupGet (p => p.Type).Returns (typeof(int));
prop2.SetupGet (p => p.Name).Returns ("two");
editor = new MockObjectEditor (prop.Object, prop2.Object);
var pvm = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop.Object, new[] { editor });
var pvm2 = new PropertyViewModel<int> (MockEditorProvider.MockPlatform, prop2.Object, new[] { editor });
var vm = new PropertyGroupViewModel (MockEditorProvider.MockPlatform, "category", new[] { pvm, pvm2 }, new [] { editor});
Assume.That (vm.Properties, Contains.Item (pvm));
Assume.That (vm.Properties, Contains.Item (pvm2));
bool changed = false;
vm.PropertyChanged += (sender, args) => {
if (args.PropertyName == nameof(PropertyGroupViewModel.HasChildElements))
changed = true;
};
vm.FilterText = "1";
Assert.That (changed, Is.True, "HasChildElements didn't change");
Assert.That (vm.HasChildElements, Is.False);
Assert.That (vm.Properties, Does.Not.Contain (pvm2));
Assert.That (vm.Properties, Does.Not.Contain (pvm));
changed = false;
vm.FilterText = null;
Assert.That (changed, Is.True, "HasChildElements didn't change");
Assert.That (vm.HasChildElements, Is.True);
Assert.That (vm.Properties, Contains.Item (pvm2));
Assert.That (vm.Properties, Contains.Item (pvm));
}
}
}
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