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