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Migrate 210 tests to UnitTests.Parallelizable, add CreateFakeDriver helper, prove View.Draw() works in parallel tests, and provide comprehensive performance analysis (#4297)

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* Initial plan

* Migrate Category A test files to UnitTests.Parallelizable (135 tests)

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Add 11 ButtonTests to Parallelizable, remove from UnitTests

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Add comprehensive test migration report

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Add comprehensive performance analysis of UnitTests

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Migrate 2 Autocomplete tests and add Text tests analysis

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Add proof-of-concept: TextFormatter.Draw works in parallel tests with local driver

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Add CreateFakeDriver helper to ParallelizableBase and migrate 4 TextFormatterTests

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Remove proof-of-concept test from AutocompleteTests

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Move Scheme-accessing tests back to UnitTests to fix intermittent failures

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Update parallel tests README to document ConfigurationManager/SchemeManager restrictions

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Document static member restriction in parallel tests README

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Restore accidentally deleted ButtonTests.Accept_Cancel_Event_OnAccept_Returns_True test

Co-authored-by: tig <585482+tig@users.noreply.github.com>

* Migrate Accept_Cancel_Event_OnAccept_Returns_True test to Parallelizable

Co-authored-by: tig <585482+tig@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: tig <585482+tig@users.noreply.github.com>
This commit is contained in:
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2025-10-20 08:56:11 -06:00
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parent ed64f5773e
commit 041e9de70e
25 changed files with 1561 additions and 348 deletions
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4
Tests/UnitTestsParallelizable/README.md
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@@ -18,7 +18,11 @@ This project contains unit tests that can run in parallel without interference.
- ❌ Set `Application.Driver` (global singleton)
- ❌ Call `Application.Init()`, `Application.Run/Run<T>()`, or `Application.Begin()`
- ❌ Modify `ConfigurationManager` global state (Enable/Load/Apply/Disable)
- ❌ Access `ConfigurationManager` including `ThemeManager` and `SchemeManager` - these rely on global state
- ❌ Access `SchemeManager.GetSchemes()` or dictionary lookups like `schemes["Base"]` - requires module initialization
- ❌ Access `View.Schemes` - there can be weird interactions with xunit and dotnet module initialization such that tests run before module initialization sets up the Schemes array
- ❌ Modify static properties like `Key.Separator`, `CultureInfo.CurrentCulture`, etc.
- ❌ Set static members on View subclasses (e.g., configuration properties like `Dialog.DefaultButtonAlignment`) or any static fields/properties - these are shared across all parallel tests
- ❌ Use `Application.Top`, `Application.Driver`, `Application.MainLoop`, or `Application.Navigation`
- ❌ Are true integration tests that test multiple components working together