acdream/tests/AcDream.App.Tests/Composition/GameWindowCompositionPipelineTests.cs

260 lines
9.3 KiB
C#

using AcDream.App.Composition;
namespace AcDream.App.Tests.Composition;
public sealed class GameWindowCompositionPipelineTests
{
[Theory]
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public void FailureRunsExactlyTheRequiredPrefix(int failingPhase)
{
var phases = new RecordingPhases(failingPhase);
GameWindowCompositionPipeline<Token, Token, Token, Token, Token, Token, Token, Token, Token>
pipeline = phases.BuildPipeline();
Assert.Throws<InvalidOperationException>(() => pipeline.Run(phases.Platform));
Assert.Equal(
Enumerable.Range(1, failingPhase).Select(value => $"phase-{value}"),
phases.Calls);
}
[Fact]
public void SuccessPassesExactResultsAndStartsSessionLast()
{
var phases = new RecordingPhases(failingPhase: 0);
GameWindowCompositionPipeline<Token, Token, Token, Token, Token, Token, Token, Token, Token>
pipeline = phases.BuildPipeline();
pipeline.Run(phases.Platform);
Assert.Equal(
Enumerable.Range(1, 9).Select(value => $"phase-{value}"),
phases.Calls);
Assert.Equal("phase-9", phases.Calls[^1]);
}
[Fact]
public void ProductionDelegateEntryUsesTheSamePipelineAndExactResults()
{
var calls = new List<int>();
var values = Enumerable.Range(0, 9).Select(value => new Token(value)).ToArray();
GameWindowCompositionPipeline.Run<
Token,
Token,
Token,
Token,
Token,
Token,
Token,
Token,
Token>(
values[0],
platform => Pass(1, values[1], platform),
(platform, host) => Pass(2, values[2], platform, host),
(platform, host, content) => Pass(3, values[3], platform, host, content),
(platform, content, settings) => Pass(4, values[4], platform, content, settings),
(platform, host, content, settings, world) =>
Pass(5, values[5], platform, host, content, settings, world),
(platform, host, content, settings, world, interaction) =>
Pass(6, values[6], platform, host, content, settings, world, interaction),
(host, content, settings, world, interaction, live) =>
Pass(7, values[7], host, content, settings, world, interaction, live),
(platform, host, content, settings, world, interaction, live, session) =>
Pass(8, values[8], platform, host, content, settings, world, interaction, live, session),
frame =>
{
Assert.Same(values[8], frame);
calls.Add(9);
});
Assert.Equal(Enumerable.Range(1, 9), calls);
Token Pass(int phase, Token result, params Token[] actual)
{
Token[] expected = phase switch
{
1 => [values[0]],
2 => [values[0], values[1]],
3 => [values[0], values[1], values[2]],
4 => [values[0], values[2], values[3]],
5 => [values[0], values[1], values[2], values[3], values[4]],
6 => [values[0], values[1], values[2], values[3], values[4], values[5]],
7 => [values[1], values[2], values[3], values[4], values[5], values[6]],
8 => [values[0], values[1], values[2], values[3], values[4], values[5], values[6], values[7]],
_ => throw new ArgumentOutOfRangeException(nameof(phase)),
};
Assert.Equal(expected.Length, actual.Length);
for (int index = 0; index < expected.Length; index++)
Assert.Same(expected[index], actual[index]);
calls.Add(phase);
return result;
}
}
private sealed record Token(int Phase);
private sealed class RecordingPhases(int failingPhase) :
IHostInputCameraCompositionPhase<Token, Token>,
IContentEffectsAudioCompositionPhase<Token, Token, Token>,
ISettingsDevToolsCompositionPhase<Token, Token, Token, Token>,
IWorldRenderCompositionPhase<Token, Token, Token, Token>,
IInteractionUiCompositionPhase<Token, Token, Token, Token, Token, Token>,
ILivePresentationCompositionPhase<Token, Token, Token, Token, Token, Token, Token>,
ISessionPlayerCompositionPhase<Token, Token, Token, Token, Token, Token, Token>,
IFrameRootCompositionPhase<Token, Token, Token, Token, Token, Token, Token, Token, Token>,
ISessionStartCompositionPhase<Token>
{
public Token Platform { get; } = new(0);
public List<string> Calls { get; } = [];
private readonly Token _host = new(1);
private readonly Token _content = new(2);
private readonly Token _settings = new(3);
private readonly Token _world = new(4);
private readonly Token _interaction = new(5);
private readonly Token _live = new(6);
private readonly Token _session = new(7);
private readonly Token _frame = new(8);
public GameWindowCompositionPipeline<Token, Token, Token, Token, Token, Token, Token, Token, Token>
BuildPipeline() => new(this, this, this, this, this, this, this, this, this);
Token IHostInputCameraCompositionPhase<Token, Token>.Compose(Token platform)
{
Assert.Same(Platform, platform);
Record(1);
return _host;
}
Token IContentEffectsAudioCompositionPhase<Token, Token, Token>.Compose(
Token platform,
Token host)
{
Assert.Same(Platform, platform);
Assert.Same(_host, host);
Record(2);
return _content;
}
Token ISettingsDevToolsCompositionPhase<Token, Token, Token, Token>.Compose(
Token platform,
Token host,
Token content)
{
Assert.Same(Platform, platform);
Assert.Same(_host, host);
Assert.Same(_content, content);
Record(3);
return _settings;
}
Token IWorldRenderCompositionPhase<Token, Token, Token, Token>.Compose(
Token platform,
Token content,
Token settings)
{
Assert.Same(Platform, platform);
Assert.Same(_content, content);
Assert.Same(_settings, settings);
Record(4);
return _world;
}
Token IInteractionUiCompositionPhase<Token, Token, Token, Token, Token, Token>.Compose(
Token platform,
Token host,
Token content,
Token settings,
Token world)
{
Assert.Same(Platform, platform);
Assert.Same(_host, host);
Assert.Same(_content, content);
Assert.Same(_settings, settings);
Assert.Same(_world, world);
Record(5);
return _interaction;
}
Token ILivePresentationCompositionPhase<Token, Token, Token, Token, Token, Token, Token>.Compose(
Token platform,
Token host,
Token content,
Token settings,
Token world,
Token interaction)
{
Assert.Same(Platform, platform);
Assert.Same(_host, host);
Assert.Same(_content, content);
Assert.Same(_settings, settings);
Assert.Same(_world, world);
Assert.Same(_interaction, interaction);
Record(6);
return _live;
}
Token ISessionPlayerCompositionPhase<Token, Token, Token, Token, Token, Token, Token>.Compose(
Token host,
Token content,
Token settings,
Token world,
Token interaction,
Token live)
{
Assert.Same(_host, host);
Assert.Same(_content, content);
Assert.Same(_settings, settings);
Assert.Same(_world, world);
Assert.Same(_interaction, interaction);
Assert.Same(_live, live);
Record(7);
return _session;
}
Token IFrameRootCompositionPhase<Token, Token, Token, Token, Token, Token, Token, Token, Token>.Compose(
Token platform,
Token host,
Token content,
Token settings,
Token world,
Token interaction,
Token live,
Token session)
{
Assert.Same(Platform, platform);
Assert.Same(_host, host);
Assert.Same(_content, content);
Assert.Same(_settings, settings);
Assert.Same(_world, world);
Assert.Same(_interaction, interaction);
Assert.Same(_live, live);
Assert.Same(_session, session);
Record(8);
return _frame;
}
void ISessionStartCompositionPhase<Token>.Start(Token frame)
{
Assert.Same(_frame, frame);
Record(9);
}
private void Record(int phase)
{
Calls.Add($"phase-{phase}");
if (failingPhase == phase)
throw new InvalidOperationException($"phase {phase} failed");
}
}
}