4be4382b0f
Dot-sourcing loads definitions only. Invoke the actual stage dispatcher after setting boundary stubs. Keep the runner handoff under the test temp root instead of creating /tmp at import.
51 lines
2.3 KiB
Python
51 lines
2.3 KiB
Python
"""Installer delegates dependency selection to the pinned PM bootstrap."""
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import json
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import os
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from pathlib import Path
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import shutil
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import subprocess
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import pytest
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pytestmark = pytest.mark.platforms("windows")
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INSTALLER = Path(__file__).resolve().parents[1] / "scripts" / "install.ps1"
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@pytest.mark.parametrize("exit_code", [0, 17])
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def test_python_stage_delegates_to_pin_without_touching_existing_env(tmp_path, exit_code):
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powershell = shutil.which("powershell")
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assert powershell
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install = tmp_path / "install"
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(install / "pm").mkdir(parents=True)
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(install / "pm" / "lock.json").write_text(json.dumps({"packages": {"python": {"version": "3.12.8+fixture"}}}))
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existing = install / "venv" / "sentinel"
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existing.parent.mkdir()
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existing.write_text("previous generation")
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log = tmp_path / "uv-call.json"
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wrapper = tmp_path / "boundary.ps1"
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wrapper.write_text(r'''
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param([string]$Installer, [string]$InstallDir, [string]$HomeDir, [string]$Log)
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$ErrorActionPreference = 'Stop'
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function uv {
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ConvertTo-Json -Compress -InputObject @($args) | Set-Content -Encoding UTF8 $Log
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$global:LASTEXITCODE = [int]$env:PROBE_EXIT
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}
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function Get-Command {
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param([string]$Name)
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if ($Name -eq 'uv') { return [pscustomobject]@{ Source = 'uv' } }
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Microsoft.PowerShell.Core\Get-Command $Name
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}
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function Invoke-WebRequest { throw 'network access outside test boundary' }
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# Load the definitions, then execute the real stage dispatcher.
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. $Installer -InstallDir $InstallDir -HermesHome $HomeDir
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Invoke-StageByName 'python-deps'
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exit $LASTEXITCODE
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''', encoding="utf-8-sig")
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run = subprocess.run([powershell, "-NoProfile", "-NonInteractive", "-ExecutionPolicy", "Bypass", "-File", str(wrapper),
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"-Installer", str(INSTALLER), "-InstallDir", str(install), "-HomeDir", str(tmp_path / "home"), "-Log", str(log)],
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cwd=tmp_path, env=dict(os.environ, PROBE_EXIT=str(exit_code)), stdin=subprocess.DEVNULL,
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capture_output=True, text=True, timeout=120)
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assert (run.returncode == 0) == (exit_code == 0), run.stdout + run.stderr
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assert json.loads(log.read_text(encoding="utf-8-sig")) == ["run", "--no-project", "--python", "3.12", "python", "-m", "pm.cli", "install"]
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assert existing.read_text() == "previous generation"
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