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

524 строки
12 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using Xamarin.Forms.Internals;
namespace Xamarin.Forms.Core.UnitTests
{
[TestFixture]
public class PageTests : BaseTestFixture
{
[TearDown]
public override void TearDown()
{
base.TearDown ();
MessagingCenter.ClearSubscribers();
}
[Test]
public void TestConstructor ()
{
var child = new Label ();
Page root = new ContentPage {Content = child};
Assert.AreEqual (((IElementController)root).LogicalChildren.Count, 1);
Assert.AreSame (((IElementController)root).LogicalChildren.First (), child);
}
[Test]
public void TestChildFillBehavior ()
{
var child = new Label ();
Page root = new ContentPage {Content = child};
root.IsPlatformEnabled = child.IsPlatformEnabled = true;
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (child.Width, 200);
Assert.AreEqual (child.Height, 500);
}
[Test]
public void TestSizedChildBehavior ()
{
var child = new Label {IsPlatformEnabled = true, WidthRequest = 100, HorizontalOptions = LayoutOptions.Center};
var root = new ContentPage {IsPlatformEnabled = true, Content = child};
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (50, child.X);
Assert.AreEqual (100, child.Width);
Assert.AreEqual (500, child.Height);
child = new Label () {
IsPlatformEnabled = true,
HeightRequest = 100,
VerticalOptions = LayoutOptions.Center
};
root = new ContentPage {
IsPlatformEnabled = true,
Content = child
};
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (0, child.X);
Assert.AreEqual (200, child.Y);
Assert.AreEqual (200, child.Width);
Assert.AreEqual (100, child.Height);
child = new Label ();
child.IsPlatformEnabled = true;
child.HeightRequest = 100;
root = new ContentPage {
Content = child,
IsPlatformEnabled = true
};
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (0, child.X);
Assert.AreEqual (0, child.Y);
Assert.AreEqual (200, child.Width);
Assert.AreEqual (500, child.Height);
}
[Test]
public void NativeSizedChildBehavior ()
{
var child = new Label {IsPlatformEnabled = true, HorizontalOptions = LayoutOptions.Center};
var root = new ContentPage {IsPlatformEnabled = true, Content = child};
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (50, child.X);
Assert.AreEqual (100, child.Width);
Assert.AreEqual (500, child.Height);
child = new Label () {
IsPlatformEnabled = true,
VerticalOptions = LayoutOptions.Center
};
root = new ContentPage {
IsPlatformEnabled = true,
Content = child
};
root.Layout (new Rectangle (0, 0, 200, 500));
Assert.AreEqual (0, child.X);
Assert.AreEqual (240, child.Y);
Assert.AreEqual (200, child.Width);
Assert.AreEqual (20, child.Height);
}
[Test]
public void TestContentPageSetContent ()
{
View child;
var page = new ContentPage {Content = child = new View ()};
Assert.AreEqual (child, page.Content);
bool fired = false;
page.PropertyChanged += (sender, args) => {
if (args.PropertyName == "Content")
fired = true;
};
page.Content = child;
Assert.False (fired);
page.Content = new View ();
Assert.True (fired);
page.Content = null;
Assert.Null (page.Content);
}
[Test]
public void TestLayoutChildrenFill ()
{
View child;
var page = new ContentPage {
Content = child = new View {
WidthRequest = 100,
HeightRequest = 200,
IsPlatformEnabled = true
},
IsPlatformEnabled = true,
};
page.Layout (new Rectangle (0, 0, 800, 800));
Assert.AreEqual (new Rectangle (0, 0, 800, 800), child.Bounds);
page.Layout (new Rectangle (0, 0, 50, 50));
Assert.AreEqual (new Rectangle (0, 0, 50, 50), child.Bounds);
}
[Test]
public void TestLayoutChildrenStart ()
{
View child;
var page = new ContentPage {
Content = child = new View {
WidthRequest = 100,
HeightRequest = 200,
HorizontalOptions = LayoutOptions.Start,
VerticalOptions = LayoutOptions.Start,
IsPlatformEnabled = true
},
IsPlatformEnabled = true,
};
page.Layout (new Rectangle (0, 0, 800, 800));
Assert.AreEqual (new Rectangle (0, 0, 100, 200), child.Bounds);
page.Layout (new Rectangle (0, 0, 50, 50));
Assert.AreEqual (new Rectangle (0, 0, 50, 50), child.Bounds);
}
[Test]
public void TestLayoutChildrenEnd ()
{
View child;
var page = new ContentPage {
Content = child = new View {
WidthRequest = 100,
HeightRequest = 200,
HorizontalOptions = LayoutOptions.End,
VerticalOptions = LayoutOptions.End,
IsPlatformEnabled = true
},
IsPlatformEnabled = true,
};
page.Layout (new Rectangle (0, 0, 800, 800));
Assert.AreEqual (new Rectangle (700, 600, 100, 200), child.Bounds);
page.Layout (new Rectangle (0, 0, 50, 50));
Assert.AreEqual (new Rectangle (0, 0, 50, 50), child.Bounds);
}
[Test]
public void TestLayoutChildrenCenter ()
{
View child;
var page = new ContentPage {
Content = child = new View {
WidthRequest = 100,
HeightRequest = 200,
HorizontalOptions = LayoutOptions.Center,
VerticalOptions = LayoutOptions.Center,
IsPlatformEnabled = true
},
IsPlatformEnabled = true,
};
page.Layout (new Rectangle (0, 0, 800, 800));
Assert.AreEqual (new Rectangle (350, 300, 100, 200), child.Bounds);
page.Layout (new Rectangle (0, 0, 50, 50));
Assert.AreEqual (new Rectangle (0, 0, 50, 50), child.Bounds);
}
[Test]
public void TestLayoutWithContainerArea ()
{
View child;
var page = new ContentPage {
Content = child = new View {
WidthRequest = 100,
HeightRequest = 200,
IsPlatformEnabled = true
},
IsPlatformEnabled = true,
};
page.Layout (new Rectangle (0, 0, 800, 800));
Assert.AreEqual (new Rectangle (0, 0, 800, 800), child.Bounds);
((IPageController)page).ContainerArea = new Rectangle (10, 10, 30, 30);
Assert.AreEqual (new Rectangle (10, 10, 30, 30), child.Bounds);
page.Layout (new Rectangle (0, 0, 50, 50));
Assert.AreEqual (new Rectangle (10, 10, 30, 30), child.Bounds);
}
[Test]
public void TestThrowOnInvalidAlignment ()
{
bool thrown = false;
try {
new ContentPage {
Content = new View {
WidthRequest = 100,
HeightRequest = 200,
HorizontalOptions = new LayoutOptions((LayoutAlignment) int.MaxValue, false),
VerticalOptions = LayoutOptions.Center,
IsPlatformEnabled = true
},
IsPlatformEnabled = true,
};
} catch (ArgumentOutOfRangeException) {
thrown = true;
}
Assert.True (thrown);
}
[Test]
public void BusyNotSentWhenNotVisible ()
{
var sent = false;
MessagingCenter.Subscribe<Page, bool> (this, Page.BusySetSignalName, (p, b) => sent = true);
new ContentPage { IsBusy = true };
Assert.That (sent, Is.False, "Busy message sent while not visible");
}
[Test]
public void BusySentWhenBusyPageAppears()
{
var sent = false;
MessagingCenter.Subscribe<Page, bool> (this, Page.BusySetSignalName, (p, b) => {
Assert.That (b, Is.True);
sent = true;
});
var page = new ContentPage { IsBusy = true, IsPlatformEnabled = true };
Assert.That (sent, Is.False, "Busy message sent while not visible");
((IPageController)page).SendAppearing();
Assert.That (sent, Is.True, "Busy message not sent when visible");
}
[Test]
public void BusySentWhenBusyPageDisappears()
{
var page = new ContentPage { IsBusy = true };
((IPageController)page).SendAppearing();
var sent = false;
MessagingCenter.Subscribe<Page, bool> (this, Page.BusySetSignalName, (p, b) => {
Assert.That (b, Is.False);
sent = true;
});
((IPageController)page).SendDisappearing();
Assert.That (sent, Is.True, "Busy message not sent when visible");
}
[Test]
public void BusySentWhenVisiblePageSetToBusy()
{
var sent = false;
MessagingCenter.Subscribe<Page, bool> (this, Page.BusySetSignalName, (p, b) => sent = true);
var page = new ContentPage();
((IPageController)page).SendAppearing();
Assert.That (sent, Is.False, "Busy message sent appearing while not busy");
page.IsBusy = true;
Assert.That (sent, Is.True, "Busy message not sent when visible");
}
[Test]
public void DisplayAlert ()
{
var page = new ContentPage() { IsPlatformEnabled = true };
AlertArguments args = null;
MessagingCenter.Subscribe (this, Page.AlertSignalName, (Page sender, AlertArguments e) => args = e);
var task = page.DisplayAlert ("Title", "Message", "Accept", "Cancel");
Assert.AreEqual ("Title", args.Title);
Assert.AreEqual ("Message", args.Message);
Assert.AreEqual ("Accept", args.Accept);
Assert.AreEqual ("Cancel", args.Cancel);
bool completed = false;
var continueTask = task.ContinueWith (t => completed = true);
args.SetResult (true);
continueTask.Wait ();
Assert.True (completed);
}
[Test]
public void DisplayActionSheet ()
{
var page = new ContentPage() { IsPlatformEnabled = true };
ActionSheetArguments args = null;
MessagingCenter.Subscribe (this, Page.ActionSheetSignalName, (Page sender, ActionSheetArguments e) => args = e);
var task = page.DisplayActionSheet ("Title", "Cancel", "Destruction", "Other 1", "Other 2");
Assert.AreEqual ("Title", args.Title);
Assert.AreEqual ("Destruction", args.Destruction);
Assert.AreEqual ("Cancel", args.Cancel);
Assert.AreEqual ("Other 1", args.Buttons.First());
Assert.AreEqual ("Other 2", args.Buttons.Skip (1).First());
bool completed = false;
var continueTask = task.ContinueWith (t => completed = true);
args.SetResult ("Cancel");
continueTask.Wait ();
Assert.True (completed);
}
class PageTestApp : Application { }
[Test]
public void SendApplicationPageAppearing()
{
var app = new PageTestApp();
var page = new ContentPage();
Page actual = null;
app.MainPage = page;
app.PageAppearing += (sender, args) => actual = args;
((IPageController)page).SendAppearing();
Assert.AreSame(page, actual);
}
[Test]
public void SendApplicationPageDisappearing()
{
var app = new PageTestApp();
var page = new ContentPage();
Page actual = null;
app.MainPage = page;
app.PageDisappearing += (sender, args) => actual = args;
((IPageController)page).SendAppearing();
((IPageController)page).SendDisappearing();
Assert.AreSame(page, actual);
}
[Test]
public void SendAppearing ()
{
var page = new ContentPage ();
bool sent = false;
page.Appearing += (sender, args) => sent = true;
((IPageController)page).SendAppearing ();
Assert.True (sent);
}
[Test]
public void SendDisappearing ()
{
var page = new ContentPage ();
((IPageController)page).SendAppearing ();
bool sent = false;
page.Disappearing += (sender, args) => sent = true;
((IPageController)page).SendDisappearing ();
Assert.True (sent);
}
[Test]
public void SendAppearingDoesntGetCalledMultipleTimes ()
{
var page = new ContentPage ();
int countAppearing = 0;
page.Appearing += (sender, args) => countAppearing++;
((IPageController)page).SendAppearing ();
((IPageController)page).SendAppearing ();
Assert.That (countAppearing, Is.EqualTo(1));
}
[Test]
public void IsVisibleWorks ()
{
var page = new ContentPage ();
page.IsVisible = false;
Assert.False (page.IsVisible);
}
[Test]
public void SendAppearingToChildrenAfter ()
{
var page = new ContentPage ();
var navPage = new NavigationPage (page);
bool sentNav = false;
bool sent = false;
page.Appearing += (sender, args) => {
if (sentNav)
sent = true;
};
navPage.Appearing += (sender, e) => sentNav = true;
((IPageController)navPage).SendAppearing ();
Assert.True (sentNav);
Assert.True (sent);
}
[Test]
public void SendDisappearingToChildrenPageFirst ()
{
var page = new ContentPage ();
var navPage = new NavigationPage (page);
((IPageController)navPage).SendAppearing ();
bool sentNav = false;
bool sent = false;
page.Disappearing += (sender, args) => {
sent = true;
};
navPage.Disappearing += (sender, e) => {
if (sent)
sentNav = true;
};
((IPageController)navPage).SendDisappearing ();
Assert.True (sentNav);
Assert.True (sent);
}
}
}