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perf: avoid GetCustomAttributes() + LINQ chain for per-property attribute scans#6098

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perf: avoid GetCustomAttributes() + LINQ chain for per-property attribute scans#6098
thomhurst merged 1 commit into
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perf/issue-6055-attribute-scans

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What

Replaces GetCustomAttributes() + LINQ (OfType/Any/FirstOrDefault) per-property attribute scans with a single-pass foreach that returns the first IDataSourceAttribute.

  • ReflectionInstanceFactory.InjectPropertiesAsync — was GetCustomAttributes().OfType<IDataSourceAttribute>().ToArray(). Now a single-pass helper. Drops the OfType iterator + materialised array; for the common case (property with no data source) nothing extra is allocated.
  • StaticPropertyReflectionInitializer — previously materialised the attribute array twice per property (once in a .Where(HasDataSourceAttribute) filter, again via FirstOrDefault inside InitializeStaticProperty). Collapsed into a single scan per property; the resolved attribute is passed straight through.

Per the issue, ConstructorHelper.cs is intentionally not modified here — it is covered by separate open PR #6056.

Why

GetCustomAttributes() allocates an object[], and the LINQ chain layers iterators + lambdas + a final array on top. These run per property per type during reflection-mode discovery/construction (a hot path), and for the common no-data-source case it was pure waste.

Validation

  • dotnet build TUnit.Core and dotnet build TUnit.Engine (-p:DisableGitVersionTask=true): 0 warnings, 0 errors across net8.0/net9.0/net10.0/netstandard2.0.
  • Reflection-only changes; all touched members are private. No public API or source-generator output changed, so no snapshot updates required.
  • Dual-mode preserved: these paths are reflection-mode only; source-gen mode is unaffected.

Closes #6055
@

Replace GetCustomAttributes() + OfType/Any/FirstOrDefault LINQ chains with
a single-pass foreach that returns the first IDataSourceAttribute.

- ReflectionInstanceFactory: drops the OfType iterator + array allocation
  per property; common case (no data source) now allocates nothing extra.
- StaticPropertyReflectionInitializer: collapses the double attribute-array
  materialisation (filter + fetch) into one scan per property.

Skips ConstructorHelper.cs (#6056, separate open PR).
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Code Review

The change is correct and the optimization rationale is sound. The two touched paths are legitimately hot: they run per-property per-type during reflection-mode discovery/construction, and the old code was doing redundant allocation work (an object[] from GetCustomAttributes(), LINQ iterators, and for StaticPropertyReflectionInitializer a full second scan). The new single-pass helpers eliminate all of that. A few observations follow.

Correctness

Behavioral equivalence is preserved. Both old and new code call the parameterless property.GetCustomAttributes(), which defaults to inherit: true. The is IDataSourceAttribute pattern is the correct way to check against an interface type (the typed-overload GetCustomAttribute<T>() requires T : Attribute, and the GetCustomAttributes(typeof(IDataSourceAttribute), true) overload is the MemberInfo/ICustomAttributeProvider path — not used here, so no inconsistency is introduced). "First match" semantics are the same as FirstOrDefault / [0] on the old arrays.

type parameter removal in InitializeStaticProperty is safe. Inspecting the current file confirms that type was not used inside the method body itself; the containing type appears only in the error message at the call site (line 87: type.FullName), which is correctly kept in the outer foreach scope.

NoDataSource : IDataSourceAttribute (not an Attribute) is unaffected — it was never returned by GetCustomAttributes() before and still won't be.

Minor Design Note: Duplicate Helper

GetFirstDataSourceAttribute(PropertyInfo property) is now copy-pasted identically into two classes:

  • TUnit.Core.StaticPropertyReflectionInitializer (public, in TUnit.Core)
  • TUnit.Engine.Discovery.ReflectionInstanceFactory (internal, in TUnit.Engine)

Since TUnit.Engine already references TUnit.Core, the method could live once in TUnit.Core.Helpers.DataSourceHelpers (which already contains related helpers like ResolveDataSourceForPropertyAsync). This isn't a blocker — the duplication is small and both copies are private static — but if a third call-site emerges (e.g. when #6056 lands for ConstructorHelper) it would be worth consolidating at that point. Flagging it now so the decision is explicit.

Out-of-Scope Observation (not a blocker)

DataSourceHelpers.cs line 529 uses propertyInfo.GetCustomAttributes(typeof(IDataSourceAttribute), true) then casts the result directly. This is the MemberInfo.ICustomAttributeProvider path and does handle interface types correctly on CoreCLR, but it returns object[] and does an unchecked cast (IDataSourceAttribute)dataSourceAttributes[0]. That code is untouched by this PR and predates it — just noting it so it isn't confused with the approach used here.

Summary

The optimization is well-targeted, correctly scoped to reflection-only paths, and the PR description accurately describes all the trade-offs. The only thing to consider for a future cleanup pass is consolidating the duplicated GetFirstDataSourceAttribute helper once ConstructorHelper (PR #6056) is addressed. Good change overall.

@thomhurst thomhurst merged commit a737124 into main May 28, 2026
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@thomhurst thomhurst deleted the perf/issue-6055-attribute-scans branch May 28, 2026 21:02
This was referenced May 29, 2026
github-actions Bot pushed a commit to BenjaminMichaelis/TrxLib that referenced this pull request Jun 2, 2026
Updated [TUnit](https://github.com/thomhurst/TUnit) from 1.45.29 to
1.48.6.

<details>
<summary>Release notes</summary>

_Sourced from [TUnit's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

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view](thomhurst/TUnit@v1.45.29...v1.48.6).
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</details>

Updated [TUnit](https://github.com/thomhurst/TUnit) from 1.44.39 to
1.48.6.

<details>
<summary>Release notes</summary>

_Sourced from [TUnit's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

## 1.45.29

<!-- Release notes generated using configuration in .github/release.yml
at v1.45.29 -->

## What's Changed
### Other Changes
* Fix shared fixture lifetime for reused discovery instances by
@​thomhurst in thomhurst/TUnit#5983
* Preserve override accessibility in generated mocks by @​thomhurst in
thomhurst/TUnit#5984
### Dependencies
* chore(deps): update tunit to 1.45.22 by @​thomhurst in
thomhurst/TUnit#5974
* chore(deps): update dependency messagepack to 3.1.5 by @​thomhurst in
thomhurst/TUnit#5978
* chore(deps): update aspire to 13.3.5 by @​thomhurst in
thomhurst/TUnit#5980


**Full Changelog**:
thomhurst/TUnit@v1.45.22...v1.45.29

## 1.45.22

<!-- Release notes generated using configuration in .github/release.yml
at v1.45.22 -->

## What's Changed
### Other Changes
* Remove ".NET" from Aspire references by @​antmdvs in
thomhurst/TUnit#5968
* Fix chained mock setup behavior by @​thomhurst in
thomhurst/TUnit#5973
### Dependencies
* chore(deps): update tunit to 1.45.8 by @​thomhurst in
thomhurst/TUnit#5958
* chore(deps): update dependency nunit to 4.6.1 by @​thomhurst in
thomhurst/TUnit#5961
* chore(deps): update dependency testcontainers.postgresql to 4.12.0 by
@​thomhurst in thomhurst/TUnit#5963
* chore(deps): update dependency testcontainers.redis to 4.12.0 by
@​thomhurst in thomhurst/TUnit#5965
* chore(deps): update dependency testcontainers.kafka to 4.12.0 by
@​thomhurst in thomhurst/TUnit#5962
* chore(deps): update aspire to 13.3.4 by @​thomhurst in
thomhurst/TUnit#5966
* chore(deps): bump webpack-dev-server from 5.2.2 to 5.2.4 in /docs by
@​dependabot[bot] in thomhurst/TUnit#5964

## New Contributors
* @​antmdvs made their first contribution in
thomhurst/TUnit#5968

**Full Changelog**:
thomhurst/TUnit@v1.45.8...v1.45.22

## 1.45.8

<!-- Release notes generated using configuration in .github/release.yml
at v1.45.8 -->

## What's Changed
### Other Changes
* fix(aspire): route CreateHttpClient through IHttpClientFactory by
@​thomhurst in thomhurst/TUnit#5957
### Dependencies
* chore(deps): update tunit to 1.45.0 by @​thomhurst in
thomhurst/TUnit#5949
* chore(deps): update dependency dompurify to v3.4.5 by @​thomhurst in
thomhurst/TUnit#5951
* chore(deps): update dependency
microsoft.testing.extensions.codecoverage to 18.7.0 by @​thomhurst in
thomhurst/TUnit#5953
* chore(deps): update dependency coverlet.collector to 10.0.1 by
@​thomhurst in thomhurst/TUnit#5952
* chore(deps): update dependency polyfill to 10.6.0 by @​thomhurst in
thomhurst/TUnit#5955
* chore(deps): update dependency polyfill to 10.6.0 by @​thomhurst in
thomhurst/TUnit#5954


**Full Changelog**:
thomhurst/TUnit@v1.45.0...v1.45.8

## 1.45.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.45.0 -->

## What's Changed
### Other Changes
* fix(generator): place CallerArgumentExpression before params in
[GenerateAssertion] emit by @​JohnVerheij in
thomhurst/TUnit#5940
* fix(sourcegen): drop covariant TActual when [GenerateAssertion] method
has its own type parameters by @​JohnVerheij in
thomhurst/TUnit#5935
* feat(assertions): add CancellationToken overload to WaitsFor and
Eventually by @​JohnVerheij in
thomhurst/TUnit#5938
* fix(html-report): extract categories using MTP Key=name convention by
@​thomhurst in thomhurst/TUnit#5946
* feat(html-report): rewrite as split-pane design template by
@​thomhurst in thomhurst/TUnit#5947
### Dependencies
* chore(deps): update microsoft.testing to 2.2.3 by @​thomhurst in
thomhurst/TUnit#5927
* chore(deps): update mstest to 4.2.3 by @​thomhurst in
thomhurst/TUnit#5928
* chore(deps): update tunit to 1.44.39 by @​thomhurst in
thomhurst/TUnit#5929
* chore(deps): update aspire to 13.3.3 by @​thomhurst in
thomhurst/TUnit#5933
* chore(deps): update dependency dompurify to v3.4.4 by @​thomhurst in
thomhurst/TUnit#5944
* chore(deps): update dependency qs to v6.15.2 by @​thomhurst in
thomhurst/TUnit#5941


**Full Changelog**:
thomhurst/TUnit@v1.44.39...v1.45.0

Commits viewable in [compare
view](thomhurst/TUnit@v1.44.39...v1.48.6).
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intellitect-bot pushed a commit to IntelliTect/EssentialCSharp.Web that referenced this pull request Jun 2, 2026
Updated [TUnit](https://github.com/thomhurst/TUnit) from 1.45.29 to
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<details>
<summary>Release notes</summary>

_Sourced from [TUnit's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

Commits viewable in [compare
view](thomhurst/TUnit@v1.45.29...v1.48.6).
</details>

Updated [TUnit.AspNetCore](https://github.com/thomhurst/TUnit) from
1.45.29 to 1.48.6.

<details>
<summary>Release notes</summary>

_Sourced from [TUnit.AspNetCore's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

Commits viewable in [compare
view](thomhurst/TUnit@v1.45.29...v1.48.6).
</details>

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github-actions Bot pushed a commit to IntelliTect/CodingGuidelines that referenced this pull request Jun 2, 2026
Updated [TUnit.Core](https://github.com/thomhurst/TUnit) from 1.45.29 to
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<details>
<summary>Release notes</summary>

_Sourced from [TUnit.Core's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

Commits viewable in [compare
view](thomhurst/TUnit@v1.45.29...v1.48.6).
</details>

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perf: avoid GetCustomAttributes() + LINQ chain for per-property attribute scans

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