osu/osu.Game.Tests/Editing/TransactionalCommitComponen...

103 lines
2.8 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using NUnit.Framework;
using osu.Game.Screens.Edit;
namespace osu.Game.Tests.Editing
{
[TestFixture]
public class TransactionalCommitComponentTest
{
private TestHandler handler;
[SetUp]
public void SetUp()
{
handler = new TestHandler();
}
[Test]
public void TestCommitTransaction()
{
Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
handler.BeginChange();
Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
handler.EndChange();
Assert.That(handler.StateUpdateCount, Is.EqualTo(1));
}
[Test]
public void TestSaveOutsideOfTransactionTriggersUpdates()
{
Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
handler.SaveState();
Assert.That(handler.StateUpdateCount, Is.EqualTo(1));
handler.SaveState();
Assert.That(handler.StateUpdateCount, Is.EqualTo(2));
}
[Test]
public void TestEventsFire()
{
int transactionBegan = 0;
int transactionEnded = 0;
int stateSaved = 0;
handler.TransactionBegan += () => transactionBegan++;
handler.TransactionEnded += () => transactionEnded++;
handler.SaveStateTriggered += () => stateSaved++;
handler.BeginChange();
Assert.That(transactionBegan, Is.EqualTo(1));
handler.EndChange();
Assert.That(transactionEnded, Is.EqualTo(1));
Assert.That(stateSaved, Is.EqualTo(0));
handler.SaveState();
Assert.That(stateSaved, Is.EqualTo(1));
}
[Test]
public void TestSaveDuringTransactionDoesntTriggerUpdate()
{
Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
handler.BeginChange();
handler.SaveState();
Assert.That(handler.StateUpdateCount, Is.EqualTo(0));
handler.EndChange();
Assert.That(handler.StateUpdateCount, Is.EqualTo(1));
}
[Test]
public void TestEndWithoutBeginThrows()
{
handler.BeginChange();
handler.EndChange();
Assert.That(() => handler.EndChange(), Throws.TypeOf<InvalidOperationException>());
}
private class TestHandler : TransactionalCommitComponent
{
public int StateUpdateCount { get; private set; }
protected override void UpdateState()
{
StateUpdateCount++;
}
}
}
}