acdream/tests/AcDream.App.Tests/Rendering/RenderFrameOrchestratorTests.cs

340 lines
12 KiB
C#

using System.Reflection;
using AcDream.App.Rendering;
namespace AcDream.App.Tests.Rendering;
public sealed class RenderFrameOrchestratorTests
{
private static readonly RenderFrameInput Input = new(
DeltaSeconds: 1.0 / 60.0,
ViewportWidth: 1920,
ViewportHeight: 1080);
[Theory]
[InlineData(12, 40, true, false, false)]
[InlineData(0, 0, false, false, false)]
[InlineData(0, 0, false, true, false)]
[InlineData(4, 17, true, false, true)]
public void Render_PreservesOuterOrderAcrossWorldAndPresentationOutcomes(
int visibleLandblocks,
int totalLandblocks,
bool normalWorldDrawn,
bool portalViewportDrawn,
bool screenshotCaptured)
{
var calls = new List<string>();
var phases = new RecordingPhases(calls)
{
World = new WorldRenderFrameOutcome(
visibleLandblocks,
totalLandblocks,
normalWorldDrawn),
Presentation = new PrivatePresentationFrameOutcome(
portalViewportDrawn,
screenshotCaptured),
};
var orchestrator = Create(phases);
RenderFrameOutcome outcome = orchestrator.Render(Input);
Assert.Equal(
["gpu-begin", "resources", "world", "presentation", "diagnostics", "gpu-end"],
calls);
Assert.Equal(phases.World, outcome.World);
Assert.Equal(phases.Presentation, outcome.Presentation);
Assert.Equal(
[
("resources", Input),
("world", Input),
("presentation", Input),
("diagnostics", Input),
],
phases.ObservedInputs);
Assert.Equal(phases.World, phases.ObservedWorld);
Assert.Equal(outcome, phases.ObservedOutcome);
}
[Fact]
public void BeginFailure_DoesNotAttemptAnyPhaseOrClose()
{
var calls = new List<string>();
var expected = new InvalidOperationException("begin");
var phases = new RecordingPhases(calls)
{
FailurePoint = "gpu-begin",
Failure = expected,
};
InvalidOperationException actual = Assert.Throws<InvalidOperationException>(
() => Create(phases).Render(Input));
Assert.Same(expected, actual);
Assert.Equal(["gpu-begin"], calls);
}
[Theory]
[InlineData("resources")]
[InlineData("world")]
[InlineData("presentation")]
[InlineData("diagnostics")]
public void RenderFailure_ClosesExactlyOnceAndPropagates(string failurePoint)
{
var calls = new List<string>();
var expected = new InvalidOperationException(failurePoint);
var phases = new RecordingPhases(calls)
{
FailurePoint = failurePoint,
Failure = expected,
};
InvalidOperationException actual = Assert.Throws<InvalidOperationException>(
() => Create(phases).Render(Input));
Assert.Same(expected, actual);
Assert.Equal(ExpectedFailureCalls(failurePoint), calls);
Assert.Equal(
ExpectedPhaseInputs(failurePoint),
phases.ObservedInputs);
}
[Fact]
public void CloseOnlyFailure_PropagatesDirectly()
{
var calls = new List<string>();
var expected = new InvalidOperationException("close");
var phases = new RecordingPhases(calls)
{
CloseFailure = expected,
};
InvalidOperationException actual = Assert.Throws<InvalidOperationException>(
() => Create(phases).Render(Input));
Assert.Same(expected, actual);
Assert.Equal(
["gpu-begin", "resources", "world", "presentation", "diagnostics", "gpu-end"],
calls);
}
[Theory]
[InlineData("resources")]
[InlineData("world")]
[InlineData("presentation")]
[InlineData("diagnostics")]
public void RenderAndCloseFailure_AreAggregatedInCausalOrder(string failurePoint)
{
var calls = new List<string>();
var renderFailure = new InvalidOperationException("render");
var closeFailure = new InvalidOperationException("close");
var phases = new RecordingPhases(calls)
{
FailurePoint = failurePoint,
Failure = renderFailure,
CloseFailure = closeFailure,
};
AggregateException actual = Assert.Throws<AggregateException>(
() => Create(phases).Render(Input));
Assert.Equal(
"Rendering failed and the in-flight GPU frame could not be closed.",
actual.Message.Split(" (")[0]);
Assert.Equal(2, actual.InnerExceptions.Count);
Assert.Same(renderFailure, actual.InnerExceptions[0]);
Assert.Same(closeFailure, actual.InnerExceptions[1]);
Assert.Equal(ExpectedFailureCalls(failurePoint), calls);
Assert.Equal(
ExpectedPhaseInputs(failurePoint),
phases.ObservedInputs);
}
[Fact]
public void Constructor_RejectsEveryMissingRequiredOwner()
{
var phases = new RecordingPhases([]);
Assert.Throws<ArgumentNullException>(() => new RenderFrameOrchestrator(
null!, phases, phases, phases, phases));
Assert.Throws<ArgumentNullException>(() => new RenderFrameOrchestrator(
phases, null!, phases, phases, phases));
Assert.Throws<ArgumentNullException>(() => new RenderFrameOrchestrator(
phases, phases, null!, phases, phases));
Assert.Throws<ArgumentNullException>(() => new RenderFrameOrchestrator(
phases, phases, phases, null!, phases));
Assert.Throws<ArgumentNullException>(() => new RenderFrameOrchestrator(
phases, phases, phases, phases, null!));
}
[Fact]
public void Orchestrator_UsesOnlyTheExplicitTypedOwnerGraph()
{
Type[] expectedFieldTypes =
[
typeof(IRenderFrameLifetime),
typeof(IRenderFrameResourcePhase),
typeof(IWorldSceneFramePhase),
typeof(IPrivatePresentationFramePhase),
typeof(IRenderFrameDiagnosticsPhase),
];
FieldInfo[] fields = typeof(RenderFrameOrchestrator).GetFields(
BindingFlags.Instance | BindingFlags.NonPublic);
Assert.Equal(
expectedFieldTypes.OrderBy(type => type.FullName),
fields.Select(field => field.FieldType).OrderBy(type => type.FullName));
Assert.All(fields, field =>
{
Assert.NotEqual(typeof(GameWindow), field.FieldType);
Assert.False(typeof(Delegate).IsAssignableFrom(field.FieldType));
});
Assert.All(
expectedFieldTypes,
contract => Assert.False(contract.IsAssignableFrom(typeof(GameWindow))));
foreach (Type contract in expectedFieldTypes)
{
foreach (MethodInfo method in contract.GetMethods())
{
Assert.True(
method.ReturnType == typeof(void) || method.ReturnType.IsValueType,
$"{contract.Name}.{method.Name} returned owner-like type "
+ method.ReturnType.FullName);
Assert.All(
method.GetParameters(),
parameter => Assert.True(
parameter.ParameterType.IsValueType,
$"{contract.Name}.{method.Name} accepted owner-like type "
+ parameter.ParameterType.FullName));
}
}
Assert.True(typeof(IRenderFrameLifetime).IsAssignableFrom(
typeof(GpuFrameFlightController)));
}
[Fact]
public void FrameContracts_AreDataOnlyValuesWithoutOwnerOrDelegateReferences()
{
Type[] contracts =
[
typeof(RenderFrameInput),
typeof(WorldRenderFrameOutcome),
typeof(PrivatePresentationFrameOutcome),
typeof(RenderFrameOutcome),
];
foreach (Type contract in contracts)
{
Assert.True(contract.IsValueType);
Assert.All(
contract.GetFields(
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic),
field =>
{
Assert.True(
field.FieldType.IsValueType,
$"{contract.Name}.{field.Name} retained owner-like type "
+ field.FieldType.FullName);
});
}
}
private static string[] ExpectedFailureCalls(string failurePoint) => failurePoint switch
{
"resources" => ["gpu-begin", "resources", "gpu-end"],
"world" => ["gpu-begin", "resources", "world", "gpu-end"],
"presentation" =>
["gpu-begin", "resources", "world", "presentation", "gpu-end"],
"diagnostics" =>
[
"gpu-begin", "resources", "world", "presentation", "diagnostics",
"gpu-end",
],
_ => throw new ArgumentOutOfRangeException(nameof(failurePoint)),
};
private static (string Phase, RenderFrameInput Input)[] ExpectedPhaseInputs(
string failurePoint)
{
string[] phases = failurePoint switch
{
"resources" => ["resources"],
"world" => ["resources", "world"],
"presentation" => ["resources", "world", "presentation"],
"diagnostics" => ["resources", "world", "presentation", "diagnostics"],
_ => throw new ArgumentOutOfRangeException(nameof(failurePoint)),
};
return phases.Select(phase => (phase, Input)).ToArray();
}
private static RenderFrameOrchestrator Create(RecordingPhases phases) =>
new(phases, phases, phases, phases, phases);
private sealed class RecordingPhases :
IRenderFrameLifetime,
IRenderFrameResourcePhase,
IWorldSceneFramePhase,
IPrivatePresentationFramePhase,
IRenderFrameDiagnosticsPhase
{
private readonly List<string> _calls;
public RecordingPhases(List<string> calls)
{
_calls = calls;
}
public string? FailurePoint { get; init; }
public Exception? Failure { get; init; }
public Exception? CloseFailure { get; init; }
public WorldRenderFrameOutcome World { get; init; } = new(7, 19, true);
public PrivatePresentationFrameOutcome Presentation { get; init; } = new(false, false);
public List<(string Phase, RenderFrameInput Input)> ObservedInputs { get; } = [];
public WorldRenderFrameOutcome ObservedWorld { get; private set; }
public RenderFrameOutcome ObservedOutcome { get; private set; }
public void BeginFrame() => Record("gpu-begin");
public void EndFrame()
{
_calls.Add("gpu-end");
if (CloseFailure is not null)
throw CloseFailure;
}
public void Prepare(RenderFrameInput input)
{
ObservedInputs.Add(("resources", input));
Record("resources");
}
public WorldRenderFrameOutcome Render(RenderFrameInput input)
{
ObservedInputs.Add(("world", input));
Record("world");
return World;
}
public PrivatePresentationFrameOutcome Render(
RenderFrameInput input,
WorldRenderFrameOutcome world)
{
ObservedInputs.Add(("presentation", input));
ObservedWorld = world;
Record("presentation");
return Presentation;
}
public void Publish(RenderFrameInput input, RenderFrameOutcome outcome)
{
ObservedInputs.Add(("diagnostics", input));
ObservedOutcome = outcome;
Record("diagnostics");
}
private void Record(string call)
{
_calls.Add(call);
if (FailurePoint == call && Failure is not null)
throw Failure;
}
}
}