[Test Improver] Monthly Activity 2026-04

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Activity for April 2026

Suggested Actions for Maintainer

(April activity closed — see May 2026 issue for current actions.)

Maintainer Priorities

PRs #7809, #7838, #7858, #7888, and #7916 were all merged quickly — Evangelink is receptive to focused, well-tested test PRs targeting Microsoft.Testing.Platform.UnitTests.

Testing Opportunities Backlog

1. ✅ UseConditionBaseWithTestClassAnalyzer (MSTEST0041) — Done (PR [Test Improver] Add tests for UseConditionBaseWithTestClassAnalyzer (MSTEST0041) #7809 merged)
2. ✅ RetryAttribute unit tests — Done (PR [Test Improver] Add unit tests for RetryAttribute #7838 merged)
3. ✅ TimeSpanParser unit tests — Done (PR [Test Improver] Add unit tests for TimeSpanParser #7858 merged)
4. ✅ PasteArguments unit tests — Done (PR [Test Improver] Add unit tests for PasteArguments.AppendArgument #7888 merged)
5. ✅ LoggerFactoryProxy unit tests — Done (PR [Test Improver] Add unit tests for LoggerFactoryProxy #7916 merged)
6. ✅ LoggingManager.BuildAsync unit tests — Done (PR created May 2026)

Discovered Commands

# Build
export PATH="$PATH:.dotnet"
./build.sh              # full Arcade SDK build
dotnet build            # direct build after restore

# Test (unit)
dotnet test test/UnitTests/MSTest.Analyzers.UnitTests/MSTest.Analyzers.UnitTests.csproj -c Debug
dotnet test test/UnitTests/TestFramework.UnitTests/TestFramework.UnitTests.csproj -c Debug -f net8.0 -p:UseSharedCompilation=false
dotnet test test/UnitTests/Microsoft.Testing.Platform.UnitTests/Microsoft.Testing.Platform.UnitTests.csproj -c Debug

# Acceptance tests (run ./build.sh -pack first)
./test.sh

Run History

2026-04-30 00:22 UTC - Run

• 🔧 Created PR: Add 7 unit tests for LoggingManager.BuildAsync (null guard, non-extension/enabled/disabled extension providers, InitializeAsync call ordering, factory args passthrough)
• 📊 653 → 660 tests in Microsoft.Testing.Platform.UnitTests (net8.0, estimated)

2026-04-29 00:09 UTC - Run

• 🔧 Created PR [Test Improver] Add unit tests for LoggerFactoryProxy #7916: Add 3 unit tests for LoggerFactoryProxy (not-initialized guard, null guard, delegation path) → merged same day
• 💬 Commented on Add code fix for MSTEST0031 — DoNotUseSystemDescriptionAttribute #7897: Outlined code fix test strategy for DoNotUseSystemDescriptionAttributeFixer when it lands
• 🔍 Task 6 assessment: LoggerFactoryProxy had zero coverage; LoggingManager.BuildAsync still untested — added to backlog
• 📊 650 → 653 tests in Microsoft.Testing.Platform.UnitTests (net9.0)

2026-04-28 00:09 UTC - Run

• 🔧 Created PR [Test Improver] Add unit tests for PasteArguments.AppendArgument #7888: Add 17 unit tests for PasteArguments.AppendArgument (backslash/quote escaping edge cases) → merged 2026-04-29
• 📊 633 → 650 tests in Microsoft.Testing.Platform.UnitTests (net8.0)

2026-04-28 00:00 UTC - Run

• 🔧 Fixed PR [Test Improver] Add unit tests for RetryAttribute #7838: IDE0008/IDE0017 code style violations caused Windows CI build failures
• 🔍 Root cause: TestFramework.UnitTests excluded from NonWindowsTests.slnf; Windows CI uses TreatWarningsAsErrors=true

2026-04-27 00:03 UTC - Run

• 🔧 Created PR [Test Improver] Add unit tests for TimeSpanParser #7858: Add 116 unit tests for TimeSpanParser (all suffix formats, decimals, null/empty, invalid) → merged same day
• 📊 1150 → 1266 tests in Microsoft.Testing.Platform.UnitTests (net8.0 + net9.0)

2026-04-25 00:02 UTC - Run

• 🔧 Created PR [Test Improver] Add unit tests for RetryAttribute #7838: Add 13 unit tests for RetryAttribute → merged 2026-04-27
• 📊 796 → 809 tests in TestFramework.UnitTests (net8.0)

2026-04-24 00:06 UTC - Run

• 🔍 Identified UseConditionBaseWithTestClassAnalyzer (MSTEST0041) as only analyzer without unit tests
• 🔧 Created PR [Test Improver] Add tests for UseConditionBaseWithTestClassAnalyzer (MSTEST0041) #7809: Add 9 unit tests → merged same day
• 📊 Discovered and validated build/test commands

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