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Isolate tests for services that write under %LOCALAPPDATA% without touching the real user profile.
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Build real git source, bare remote, and local clone fixtures for CopilotBooster integration tests.
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Reusable WinForms pattern for textboxes that accept either a bare GitHub PR/Issue number or a full github.com URL.
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Kill a spawned Windows process tree from C# with a Win32 Job Object.
| name | localappdata-test-isolation |
| description | Isolate tests for services that write under %LOCALAPPDATA% without touching the real user profile. |
| domain | testing |
| confidence | high |
| source | earned |
Use this skill when a unit test exercises code that writes beneath %LOCALAPPDATA%, such as %LOCALAPPDATA%\CopilotBooster\models-cache.json.
LOCALAPPDATA environment value.LOCALAPPDATA before constructing the service under test.Dispose or finally.Environment.GetEnvironmentVariable("LOCALAPPDATA") first, then fall back to Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), so tests can redirect the location deterministically.tests\Services\CopilotModelsServiceTests.cs uses a per-test temp %LOCALAPPDATA% root and writes/reads CopilotBooster\models-cache.json there.
%LOCALAPPDATA% folder.Environment.GetFolderPath(SpecialFolder.LocalApplicationData) honors process-level LOCALAPPDATA changes on Windows.