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osu-lazer/osu.Game/Tests/CleanRunHeadlessGameHost.cs

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// 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.
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using System;
using System.Runtime.CompilerServices;
using osu.Framework;
using osu.Framework.Testing;
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namespace osu.Game.Tests
{
/// <summary>
/// A headless host which cleans up before running (removing any remnants from a previous execution).
/// </summary>
public class CleanRunHeadlessGameHost : TestRunHeadlessGameHost
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{
private readonly bool bypassCleanupOnSetup;
/// <summary>
/// Create a new instance.
/// </summary>
/// <param name="bindIPC">Whether to bind IPC channels.</param>
/// <param name="realtime">Whether the host should be forced to run in realtime, rather than accelerated test time.</param>
/// <param name="bypassCleanupOnSetup">Whether to bypass directory cleanup on <see cref="SetupForRun"/>.</param>
/// <param name="bypassCleanupOnDispose">Whether to bypass directory cleanup on host disposal. Should be used only if a subsequent test relies on the files still existing.</param>
/// <param name="callingMethodName">The name of the calling method, used for test file isolation and clean-up.</param>
public CleanRunHeadlessGameHost(bool bindIPC = false, bool realtime = true, bool bypassCleanupOnSetup = false, bool bypassCleanupOnDispose = false,
[CallerMemberName] string callingMethodName = @"")
: base($"{callingMethodName}-{Guid.NewGuid()}", new HostOptions
{
IPCPort = bindIPC ? OsuGame.IPC_PORT : null,
}, bypassCleanup: bypassCleanupOnDispose, realtime: realtime)
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{
this.bypassCleanupOnSetup = bypassCleanupOnSetup;
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}
protected override void SetupForRun()
{
if (!bypassCleanupOnSetup)
{
try
{
Storage.DeleteDirectory(string.Empty);
}
catch
{
// May fail if a logging target has already been set via OsuStorage.ChangeTargetStorage.
}
}
// base call needs to be run *after* storage is emptied, as it updates the (static) logger's storage and may start writing
// log entries from another source if a unit test host is shared over multiple tests, causing a file access denied exception.
base.SetupForRun();
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}
}
}