maui-linux/Xamarin.Forms.Core.UnitTests/DynamicResourceTests.cs

207 строки
5.5 KiB
C#
Исходник Обычный вид История

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using NUnit.Framework;
using Xamarin.Forms.Internals;
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namespace Xamarin.Forms.Core.UnitTests
{
[TestFixture]
public class DynamicResourceTests : BaseTestFixture
{
[SetUp]
public override void Setup ()
{
base.Setup ();
Device.PlatformServices = new MockPlatformServices ();
Application.Current = new MockApplication();
}
[TearDown]
public override void TearDown()
{
Application.Current = null;
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}
[Test]
public void TestDynamicResourceOverride()
{
Application.Current.Resources = new ResourceDictionary();
Application.Current.Resources.Add("GreenColor", Color.Green);
Application.Current.Resources.Add("RedColor", Color.Red);
var setter = new Setter()
{
Property = Label.TextColorProperty,
Value = new DynamicResource("RedColor")
};
var style = new Style(typeof(Label));
style.Setters.Add(setter);
Application.Current.Resources.Add(style);
var label = new Label()
{
Text = "Green = :)"
};
label.SetDynamicResource(Label.TextColorProperty, "GreenColor");
Application.Current.MainPage = new ContentPage
{
Content = new StackLayout
{
Children = { label }
}
};
Assert.AreEqual(Color.Green, label.TextColor);
}
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[Test]
public void TestDynamicResource ()
{
var label = new Label ();
label.SetDynamicResource (Label.TextProperty, "foo");
var layout = new StackLayout {
Children = {
label
}
};
Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text);
layout.Resources = new ResourceDictionary {
{ "foo", "FOO" }
};
Assert.AreEqual ("FOO", label.Text);
}
[Test]
public void SetResourceTriggerSetValue ()
{
var label = new Label ();
label.SetDynamicResource (Label.TextProperty, "foo");
Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text);
label.Resources = new ResourceDictionary {
{"foo", "FOO"}
};
Assert.AreEqual ("FOO", label.Text);
}
[Test]
public void SetResourceOnParentTriggerSetValue ()
{
var label = new Label ();
var layout = new StackLayout { Children = {label}};
label.SetDynamicResource (Label.TextProperty, "foo");
Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text);
layout.Resources = new ResourceDictionary {
{"foo", "FOO"}
};
Assert.AreEqual ("FOO", label.Text);
}
[Test]
public void SettingResourceTriggersValueChanged ()
{
var label = new Label ();
label.SetDynamicResource (Label.TextProperty, "foo");
Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text);
label.Resources = new ResourceDictionary ();
label.Resources.Add ("foo", "FOO");
Assert.AreEqual ("FOO", label.Text);
}
[Test]
public void AddingAResourceDictionaryTriggersValueChangedForExistingValues ()
{
var label = new Label ();
label.SetDynamicResource (Label.TextProperty, "foo");
Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text);
var rd = new ResourceDictionary { {"foo","FOO"}};
label.Resources = rd;
Assert.AreEqual ("FOO", label.Text);
}
[Test]
public void ValueChangedTriggeredOnSubscribeIfKeyAlreadyExists ()
{
var label = new Label ();
label.Resources = new ResourceDictionary { {"foo","FOO"}};
Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text);
label.SetDynamicResource (Label.TextProperty, "foo");
Assert.AreEqual ("FOO", label.Text);
}
[Test]
public void RemoveDynamicResourceStopsUpdating ()
{
var label = new Label ();
label.Resources = new ResourceDictionary { {"foo","FOO"}};
Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text);
label.SetDynamicResource (Label.TextProperty, "foo");
Assert.AreEqual ("FOO", label.Text);
label.RemoveDynamicResource (Label.TextProperty);
label.Resources ["foo"] = "BAR";
Assert.AreEqual ("FOO", label.Text);
}
[Test]
public void ReparentResubscribe ()
{
var layout0 = new ContentView { Resources = new ResourceDictionary {{"foo","FOO"}}};
var layout1 = new ContentView { Resources = new ResourceDictionary {{"foo","BAR"}}};
var label = new Label ();
label.SetDynamicResource (Label.TextProperty, "foo");
Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text);
layout0.Content = label;
Assert.AreEqual ("FOO", label.Text);
layout0.Content = null;
layout1.Content = label;
Assert.AreEqual ("BAR", label.Text);
}
[Test]
public void ClearedResourcesDoesNotClearValues ()
{
var layout0 = new ContentView { Resources = new ResourceDictionary {{"foo","FOO"}}};
var label = new Label ();
label.SetDynamicResource (Label.TextProperty, "foo");
layout0.Content = label;
Assert.AreEqual ("FOO", label.Text);
layout0.Resources.Clear ();
Assert.AreEqual ("FOO", label.Text);
}
[Test]
//Issue 2608
public void ResourcesCanBeChanged ()
{
var label = new Label ();
label.BindingContext = new MockViewModel ();
label.SetBinding (Label.TextProperty, "Text", BindingMode.TwoWay);
label.SetDynamicResource (Label.TextProperty, "foo");
label.Resources = new ResourceDictionary { {"foo","FOO"}};
Assume.That(label.Text, Is.EqualTo("FOO"));
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label.Resources ["foo"] = "BAR";
Assert.AreEqual ("BAR", label.Text);
}
[Test]
public void FallbackToApplicationCurrent()
{
Application.Current.Resources = new ResourceDictionary { { "foo", "FOO" } };
var label = new Label();
label.BindingContext = new MockViewModel();
label.SetBinding(Label.TextProperty, "Text", BindingMode.TwoWay);
label.SetDynamicResource(Label.TextProperty, "foo");
Assert.That(label.Text, Is.EqualTo("FOO"));
}
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}
}