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

306 строки
6.4 KiB
C#
Исходник Обычный вид История

2016-03-22 23:02:25 +03:00
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NUnit.Framework;
using Xamarin.Forms.Internals;
2016-03-22 23:02:25 +03:00
namespace Xamarin.Forms.Core.UnitTests
{
[TestFixture]
public class NavigationModelTests : BaseTestFixture
{
[Test]
public void CurrentNullWhenEmpty ()
{
var navModel = new NavigationModel ();
Assert.Null (navModel.CurrentPage);
}
[Test]
public void CurrentGivesLastViewWithoutModal ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
navModel.Push (page1, null);
navModel.Push (page2, page1);
Assert.AreEqual (page2, navModel.CurrentPage);
}
[Test]
public void CurrentGivesLastViewWithModal()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
var modal1 = new ContentPage ();
var modal2 = new ContentPage ();
navModel.Push (page1, null);
navModel.Push (page2, page1);
navModel.PushModal (modal1);
navModel.Push (modal2, modal1);
Assert.AreEqual (modal2, navModel.CurrentPage);
}
[Test]
public void Roots ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
var modal1 = new ContentPage ();
var modal2 = new ContentPage ();
navModel.Push (page1, null);
navModel.Push (page2, page1);
navModel.PushModal (modal1);
navModel.Push (modal2, modal1);
Assert.True (navModel.Roots.SequenceEqual (new[] {page1, modal1}));
}
[Test]
public void PushFirstItem ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
navModel.Push (page1, null);
Assert.AreEqual (page1, navModel.CurrentPage);
Assert.AreEqual (page1, navModel.Roots.First ());
}
[Test]
public void ThrowsWhenPushingWithoutAncestor ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
navModel.Push (page1, null);
Assert.Throws<InvalidNavigationException> (() => navModel.Push (page2, null));
}
[Test]
public void PushFromNonRootAncestor ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
var page3 = new ContentPage ();
page2.Parent = page1;
page3.Parent = page2;
navModel.Push (page1, null);
navModel.Push (page2, page1);
navModel.Push (page3, page2);
Assert.AreEqual (page3, navModel.CurrentPage);
}
[Test]
public void ThrowsWhenPushFromInvalidAncestor ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
Assert.Throws<InvalidNavigationException> (() => navModel.Push (page2, page1));
}
[Test]
public void Pop ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
navModel.Push (page1, null);
navModel.Push (page2, page1);
navModel.Pop (page1);
Assert.AreEqual (page1, navModel.CurrentPage);
}
[Test]
public void ThrowsPoppingRootItem ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
navModel.Push (page1, null);
Assert.Throws<InvalidNavigationException> (() => navModel.Pop (page1));
}
[Test]
public void ThrowsPoppingRootOfModal ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
var modal1 = new ContentPage ();
navModel.Push (page1, null);
navModel.Push (page2, page1);
navModel.PushModal (modal1);
Assert.Throws<InvalidNavigationException> (() => navModel.Pop (modal1));
}
[Test]
public void ThrowsPoppingWithInvalidAncestor ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
navModel.Push (page1, null);
Assert.Throws<InvalidNavigationException> (() => navModel.Pop (new ContentPage ()));
}
[Test]
public void PopToRoot ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
var page3 = new ContentPage ();
page2.Parent = page1;
page3.Parent = page2;
navModel.Push (page1, null);
navModel.Push (page2, page1);
navModel.Push (page3, page2);
navModel.PopToRoot (page2);
Assert.AreEqual (page1, navModel.CurrentPage);
}
[Test]
public void ThrowsWhenPopToRootOnRoot ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
navModel.Push (page1, null);
Assert.Throws<InvalidNavigationException> (() => navModel.PopToRoot (page1));
}
[Test]
public void ThrowsWhenPopToRootWithInvalidAncestor()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
navModel.Push (page1, null);
navModel.Push (page2, page1);
Assert.Throws<InvalidNavigationException> (() => navModel.PopToRoot (new ContentPage ()));
}
[Test]
public void PopModal ()
{
var navModel = new NavigationModel ();
var child1 = new ContentPage ();
var modal1 = new ContentPage ();
navModel.Push (child1, null);
navModel.PushModal (modal1);
navModel.PopModal ();
Assert.AreEqual (child1, navModel.CurrentPage);
Assert.AreEqual (1, navModel.Roots.Count ());
}
[Test]
public void ReturnsCorrectModal ()
{
var navModel = new NavigationModel ();
var child1 = new ContentPage ();
var modal1 = new ContentPage ();
var modal2 = new ContentPage ();
navModel.Push (child1, null);
navModel.PushModal (modal1);
navModel.PushModal (modal2);
Assert.AreEqual (modal2, navModel.PopModal ());
}
[Test]
public void PopTopPageWithoutModals ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var page2 = new ContentPage ();
navModel.Push (page1, null);
navModel.Push (page2, page1);
Assert.AreEqual (page2, navModel.PopTopPage ());
}
[Test]
public void PopTopPageWithSinglePage ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
navModel.Push (page1, null);
Assert.Null (navModel.PopTopPage ());
}
[Test]
public void PopTopPageWithModal ()
{
var navModel = new NavigationModel ();
var page1 = new ContentPage ();
var modal1 = new ContentPage ();
navModel.Push (page1, null);
navModel.PushModal (modal1);
Assert.AreEqual (modal1, navModel.PopTopPage ());
}
}
}