Initial commit: AIGame Unity client with URP, HybridCLR, YooAsset and tooling.
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
udx
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using System.Collections.Generic;
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using System.Linq;
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using NUnit.Framework;
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using Unity.Pipeline.Telemetry;
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namespace Unity.Pipeline.Tests.Editor.Telemetry
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{
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/// <summary>
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/// Tests for <see cref="EvalUsageFingerprinter"/>: the syntax-tree fingerprint extractor and the
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/// one-liner vs multi-statement classifier (AUTHAPI-29). Pure string in / string out, so they run
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/// hermetically with no file or Editor state.
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/// </summary>
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class EvalUsageFingerprinterTests
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{
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private static List<string> Fingerprints(string code) =>
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EvalUsageFingerprinter.ExtractFingerprints(code).ToList();
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[TestCase("AssetDatabase.Refresh();", "AssetDatabase.Refresh",
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TestName = "StaticMethodCall_ProducesMemberPath")]
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[TestCase("TestBot.Enabled = true;", "TestBot.Enabled",
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TestName = "StaticPropertySet_ProducesLeftHandMemberPath")]
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[TestCase("Object.FindFirstObjectByType<Player>();", "Object.FindFirstObjectByType<T>",
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TestName = "GenericMethod_NormalizesTypeArgumentToPlaceholder")]
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[TestCase("PlayerSettings.SetScriptingBackend(BuildTargetGroup.Standalone, ScriptingImplementation.IL2CPP);", "PlayerSettings.SetScriptingBackend",
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TestName = "PlayerSettingsSetter_IsCapturedAsMethodCall")]
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public void Fingerprint_ProducesExpectedMemberPath(string code, string expected)
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{
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CollectionAssert.Contains(Fingerprints(code), expected);
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}
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[Test]
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public void InstanceChain_ProducesFullChainPath()
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{
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var fps = Fingerprints("return MatchManager.Instance.State;");
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CollectionAssert.Contains(fps, "MatchManager.Instance.State");
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// The full outermost chain is captured once; the inner "MatchManager.Instance" prefix is
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// not double-counted as its own fingerprint.
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CollectionAssert.DoesNotContain(fps, "MatchManager.Instance");
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}
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[Test]
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public void GenericMethod_DifferentTypeArgs_ShareOneFingerprint()
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{
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// Normalising <Foo>/<Bar> to <T> is what lets the report rank a generic API as one line.
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Assert.AreEqual(
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Fingerprints("Object.FindFirstObjectByType<Player>();").Single(f => f.StartsWith("Object.FindFirstObjectByType")),
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Fingerprints("Object.FindFirstObjectByType<Enemy>();").Single(f => f.StartsWith("Object.FindFirstObjectByType")));
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}
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[Test]
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public void MultiStatementBody_ProducesMultipleFingerprints()
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{
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var fps = Fingerprints("Debug.Log(\"x\"); AssetDatabase.Refresh(); return MatchManager.Instance.State;");
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CollectionAssert.Contains(fps, "Debug.Log");
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CollectionAssert.Contains(fps, "AssetDatabase.Refresh");
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CollectionAssert.Contains(fps, "MatchManager.Instance.State");
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Assert.GreaterOrEqual(fps.Count, 3);
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}
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[Test]
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public void ArgumentReads_AreCapturedAsTheirOwnSites()
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{
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var fps = Fingerprints("Debug.Log(MatchManager.Instance.State);");
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CollectionAssert.Contains(fps, "Debug.Log");
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CollectionAssert.Contains(fps, "MatchManager.Instance.State");
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}
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// ---- Privacy: strict whitelist rendering (no raw source can leak into a fingerprint) ----
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[TestCase("return \"secret-key\".Length;", ".Length", "secret-key",
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TestName = "StringLiteralReceiver_RendersAsPlaceholder_LeaksNoLiteral")]
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[TestCase("return (1 + 2).ToString();", ".ToString", "1 + 2",
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TestName = "ArithmeticReceiver_RendersAsPlaceholder")]
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public void NonWhitelistedReceiver_RendersAsPlaceholder(string code, string memberSuffix, string leaked)
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{
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var fps = Fingerprints(code);
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CollectionAssert.Contains(fps, EvalUsageFingerprinter.Placeholder + memberSuffix);
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AssertNoSourceLeak(fps, leaked);
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}
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[Test]
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public void InterpolatedStringReceiver_RendersAsPlaceholder_LeaksNoFragment()
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{
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var fps = Fingerprints("$\"{a}b\".Trim();");
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CollectionAssert.AreEquivalent(new[] { EvalUsageFingerprinter.Placeholder + ".Trim" }, fps);
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AssertNoSourceLeak(fps, "{a}b");
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}
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[Test]
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public void ObjectCreationChain_RendersAsNewTypeName_LeaksNoConstructorArgument()
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{
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var fps = Fingerprints("new GameObject(\"Name\").AddComponent<Rigidbody>();");
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CollectionAssert.AreEquivalent(new[] { "new GameObject.AddComponent<T>" }, fps);
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AssertNoSourceLeak(fps, "Name");
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}
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[Test]
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public void CastReceiver_UnwrapsToInnerExpression()
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{
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var fps = Fingerprints("((Foo)o).Bar = 1;");
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CollectionAssert.Contains(fps, "o.Bar");
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Assert.IsFalse(fps.Any(f => f.Contains("Foo")), $"The cast's type name must be unwrapped away: [{string.Join(", ", fps)}]");
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AssertNoSourceLeak(fps);
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}
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/// <summary>
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/// No fingerprint may carry raw source fragments: literal quoting/interpolation characters are
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/// banned outright, and any caller-supplied literal text must be absent. Identifiers, member
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/// names, and the structural tokens the renderer itself emits (".", "()", "[]", "<T>",
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/// "new ", "<expr>") are the only permitted content.
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/// </summary>
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private static void AssertNoSourceLeak(List<string> fps, params string[] literalFragments)
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{
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foreach (var fp in fps)
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{
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StringAssert.DoesNotContain("\"", fp, "Fingerprints must never contain string-literal quotes");
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StringAssert.DoesNotContain("{", fp, "Fingerprints must never contain interpolation braces");
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foreach (var fragment in literalFragments)
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StringAssert.DoesNotContain(fragment, fp, "Fingerprints must never contain literal/source fragments");
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}
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}
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// ---- Review regression: a call/parenthesized receiver was previously dropped entirely
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// (IsMemberOrName rejected it, so Add() was never reached — not even the placeholder) ----
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[TestCase("GetHandler()();", "GetHandler()",
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TestName = "InvocationCallee_RendersAsCalleeInvocation")]
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// Not "(A.B)();": a parenthesized type-looking name directly followed by '(' is a cast
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// grammar ambiguity Roslyn resolves in favor of a (here invalid) cast, never reaching
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// InvocationExpressionSyntax at all. An indexer receiver isn't type-syntax, so it stays
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// unambiguously a parenthesized invocation callee — and still exercises the cast-unwrap
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// rendering path via a realistic delegate-cast-and-invoke shape.
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[TestCase("(handlers[0])();", "handlers[]",
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TestName = "ParenthesizedElementAccessCallee_UnwrapsToInnerExpression")]
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[TestCase("((Action)handler)();", "handler",
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TestName = "ParenthesizedCastCallee_UnwrapsToInnerExpression")]
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public void CallOrParenthesizedCallee_OnInvocation_ProducesFingerprint(string code, string expected)
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{
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CollectionAssert.Contains(Fingerprints(code), expected);
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}
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[Test]
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public void CallReceiver_OnElementAccess_ProducesFingerprint()
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{
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var fps = Fingerprints("GetList()[0];");
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CollectionAssert.Contains(fps, "GetList()[]");
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}
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// ---- Bounds: fingerprint cap and depth guard ----
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[Test]
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public void ManyAccessSites_AreCappedAtMaxFingerprints_KeepingTreeOrder()
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{
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// 40 access sites (> MaxFingerprints = 32). Truncation keeps the FIRST N in tree (source)
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// order — not the most frequent — so the earliest sites survive and the tail is dropped.
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var body = string.Concat(Enumerable.Range(0, 40).Select(i => $"Type{i}.Member{i}();\n"));
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var fps = Fingerprints(body);
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Assert.AreEqual(EvalUsageFingerprinter.MaxFingerprints, fps.Count);
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Assert.AreEqual("Type0.Member0", fps.First(), "First-in-source access site survives truncation");
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CollectionAssert.DoesNotContain(fps, "Type39.Member39");
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}
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[Test]
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public void PathologicallyDeepNesting_IsAbandonedWithoutThrowing()
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{
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// 100 nested invocations-in-arguments — several syntax levels per nesting, far past the
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// walker's 64-level depth guard. The walk must terminate cleanly (best-effort telemetry),
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// capturing the shallow sites and abandoning the deep ones.
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var code = "A99.M()";
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for (var i = 98; i >= 0; i--)
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code = $"A{i}.M({code})";
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code += ";";
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List<string> fps = null;
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Assert.DoesNotThrow(() => fps = Fingerprints(code));
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CollectionAssert.Contains(fps, "A0.M");
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CollectionAssert.DoesNotContain(fps, "A99.M");
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}
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[Test]
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public void PathologicallyDeepChainBelowHead_RendersWithoutThrowing()
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{
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// A deeply parenthesised receiver hangs BELOW the chain head, so it is bounded by the
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// renderer's own depth cap (not the walker's): the tail degrades to the placeholder.
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var receiver = "x";
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for (var i = 0; i < 100; i++)
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receiver = "(" + receiver + ")";
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List<string> fps = null;
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Assert.DoesNotThrow(() => fps = Fingerprints($"{receiver}.Foo();"));
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CollectionAssert.Contains(fps, EvalUsageFingerprinter.Placeholder + ".Foo");
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}
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[TestCase("AssetDatabase.Refresh();", EvalClassification.SingleExpression,
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TestName = "Classify_SingleExpressionStatement_IsSingleExpression")]
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[TestCase("return MatchManager.Instance.State;", EvalClassification.SingleExpression,
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TestName = "Classify_SingleReturn_IsSingleExpression")]
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[TestCase("Debug.Log(\"x\"); return 1;", EvalClassification.Statements,
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TestName = "Classify_MultipleStatements_IsStatements")]
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// A single for/while statement is a statement body, not a one-liner (the polling-loop case).
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[TestCase("for (int i = 0; i < 10; i++) { Debug.Log(i); }", EvalClassification.Statements,
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TestName = "Classify_LonePollingLoop_IsStatements")]
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public void Classify_ProducesExpectedClassification(string code, string expected)
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{
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Assert.AreEqual(expected, EvalUsageFingerprinter.Classify(code));
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}
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[Test]
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public void ConditionalAccessChain_RendersWholeChain_NormalizedToDots()
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{
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// Review regression: the old rendering dropped the receiver of a ?. chain and produced
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// a colliding "State.Value" entry — the whole chain must rank as one normalized path.
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var fps = Fingerprints("return MatchManager.Instance?.State.Value;");
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CollectionAssert.Contains(fps, "MatchManager.Instance.State.Value");
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CollectionAssert.DoesNotContain(fps, "State.Value");
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CollectionAssert.DoesNotContain(fps, "MatchManager.Instance");
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}
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[Test]
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public void ConditionalAccessCall_RanksWithItsUnconditionalForm()
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{
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// a?.B() must fingerprint identically to a.B() (callee convention, ?. normalized).
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var conditional = Fingerprints("go?.GetComponent<Rigidbody>();");
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var plain = Fingerprints("go.GetComponent<Rigidbody>();");
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CollectionAssert.Contains(conditional, "go.GetComponent<T>");
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CollectionAssert.AreEquivalent(plain, conditional);
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}
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[Test]
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public void NestedConditionalAccess_NormalizesEveryHop()
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{
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var fps = Fingerprints("return a?.b?.c;");
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CollectionAssert.Contains(fps, "a.b.c");
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}
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[Test]
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public void ConditionalElementAccess_RanksWithItsUnconditionalForm()
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{
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// cache?[key] must fingerprint identically to cache[key] ("cache[]") — the
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// element-access sibling of the a?.b.c collision fixed earlier.
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var conditional = Fingerprints("return cache?[key];");
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var plain = Fingerprints("return cache[key];");
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CollectionAssert.Contains(conditional, "cache[]");
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CollectionAssert.AreEquivalent(plain, conditional);
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}
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[Test]
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public void ConditionalAccess_ReceiverCallArguments_AreNotWalked()
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{
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// Review regression: the argument-list sweep previously started from the whole
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// conditional node, including the RECEIVER before '?.' — so a call there (unlike the
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// unconditional form, which never walks its callee chain's arguments) got its nested
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// calls captured anyway. An equivalent eval body must not get a more complete
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// fingerprint set purely because it happened to use '?.'.
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var conditional = Fingerprints("Configure(Settings.Load())?.Apply();");
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var plain = Fingerprints("Configure(Settings.Load()).Apply();");
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CollectionAssert.AreEquivalent(plain, conditional);
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CollectionAssert.DoesNotContain(conditional, "Settings.Load");
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}
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[Test]
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public void ConditionalAccessBracketedArgument_CapturesNestedCall()
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{
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// Review regression: the argument sweep matched only ArgumentListSyntax, so an
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// indexer's BracketedArgumentListSyntax inside a '?.' chain hid a nested call
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// (SomeCall) from the walker entirely.
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var fps = Fingerprints("return a?.b[SomeCall()];");
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CollectionAssert.Contains(fps, "a.b[]");
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CollectionAssert.Contains(fps, "SomeCall");
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}
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[Test]
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public void Analyze_EmptyOrWhitespace_IsSafe()
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{
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var analysis = EvalUsageFingerprinter.Analyze(" ");
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Assert.AreEqual(EvalClassification.Statements, analysis.Classification);
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Assert.IsEmpty(analysis.Fingerprints);
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}
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}
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}
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