Pester.BeforeContainer.ps1 is not applied during Run.SkipRun discovery

[nohwnd]

Run.SkipRun runs discovery and returns the tree without executing tests. That is the path the VS Code Test Explorer uses to populate.

Pester.BeforeContainer.ps1 is not applied on that path. A file whose discovery depends on the setup, for example one that calls a helper to build -ForEach data or to compose test names, discovers fine in a normal run and comes back empty, or fails with "The term '...' is not recognized", when only discovery is requested.

Repro shape

# <root>/Pester.BeforeContainer.ps1
BeforeDiscovery { $script:Cases = 1..3 }

# <root>/tests/Some.Tests.ps1
Describe 'd' {
    It 'case <_>' -ForEach $Cases { }
}

Normal run discovers 3 tests. Run.SkipRun = $true discovers 0.

Note

The batch discovery in that path runs all containers in one call, so applying the chain per container needs care: the files differ per container after #2993, and the setup has to reach the container's own scope the same way it does in a normal run rather than being dot-sourced once for the whole batch.

Related

• Apply Pester.BeforeContainer.ps1 from the repo root down to the test file #2993 the cascade, which changed where the setup is applied