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test: switch zero-dep install test to uv venv#14

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silversurfer562 merged 1 commit into
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test/zero-dep-uv-venv
Jun 17, 2026
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test: switch zero-dep install test to uv venv#14
silversurfer562 merged 1 commit into
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test/zero-dep-uv-venv

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The zero-dep install contract test built its isolated venv with stdlib venv/ensurepip, which aborts on some Python builds (observed on cpython 3.11.14 macOS-aarch64), making the test unrunnable locally. Switch to uv venv + uv pip, and skip (rather than fail) when uv is absent.

Cherry-picked from the retired test/pass-2-llm-discipline branch (the rest of pass-2 shipped via #8). Single-file test-only change.

Verified locally: all 5 tests pass on cpython 3.11.14 macOS-aarch64.

Co-Authored-By: Claude Opus 4.8 noreply@anthropic.com

stdlib `venv.create(..., with_pip=True)` calls `python -m ensurepip`
inside the new venv, which aborts with SIGABRT on cpython 3.11.14
macOS-aarch64. None of the 5 tests in test_zero_dep_install.py could
run as a result.

Switch to `uv venv` + `uv pip install --python <venv-python>`. uv has
its own resolver and does not depend on ensurepip, so it works on
this Python build, runs faster, and matches the rest of the project's
tooling. Skip the suite (rather than fail) on machines without uv.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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✅ All modified and coverable lines are covered by tests.

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@silversurfer562 silversurfer562 merged commit 78524b5 into main Jun 17, 2026
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@silversurfer562 silversurfer562 deleted the test/zero-dep-uv-venv branch June 17, 2026 12:09
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