4aadff7bd6
419a3cbe00 made install.ps1 ask uv for cpython-<minor>-windows-<arch>-none,
but this test still pinned the bare version.
80 lines
3.7 KiB
Python
80 lines
3.7 KiB
Python
"""The real installer waits for bootstrap uv before it delegates to PM."""
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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 sys
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import pytest
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pytestmark = pytest.mark.platforms("windows")
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INSTALLER = Path(__file__).resolve().parents[3] / "scripts" / "install.ps1"
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@pytest.mark.parametrize("stage,exit_code", [("venv", 0), ("python-deps", 0), ("python-deps", 17)])
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def test_python_stage_delegates_to_pin_without_touching_existing_env(tmp_path, stage, exit_code):
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powershell = shutil.which("powershell")
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assert powershell
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install = tmp_path / "install with spaces"
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package = install / "pm"
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package.mkdir(parents=True)
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(package / "lock.json").write_text(json.dumps({"packages": {"python": {"version": "3.12.8+fixture"}}}), encoding="utf-8")
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(package / "__init__.py").write_text("", encoding="utf-8")
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(package / "cli.py").write_text(
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"import json, os, pathlib, sys\n"
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"assert not pathlib.Path(os.environ['UV_BUSY']).exists()\n"
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"pathlib.Path(os.environ['PM_LOG']).write_text(json.dumps(sys.argv[1:]))\n"
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"sys.exit(int(os.environ['PROBE_EXIT']))\n", encoding="utf-8",
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)
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existing = install / "venv" / "sentinel"
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existing.parent.mkdir()
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existing.write_text("previous generation", encoding="utf-8")
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log = tmp_path / "uv-calls.jsonl"
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pm_log = tmp_path / "pm-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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Set-Content -Path $env:UV_BUSY -Value 'running'
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try {
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ConvertTo-Json -Compress -InputObject @($args) | Add-Content -Encoding UTF8 $Log
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switch ($args[1]) {
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'install' { }
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'find' { Write-Output $env:BOOTSTRAP_PYTHON }
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default { throw 'PM must not be a child of the bootstrap uv' }
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}
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$global:LASTEXITCODE = 0
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} finally { Remove-Item $env:UV_BUSY }
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}
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function Invoke-WebRequest { throw 'network access outside test boundary' }
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. $Installer -InstallDir $InstallDir -HermesHome $HomeDir
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# Dot-sourcing defines Get-Uv, so override only that acquisition boundary.
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function Get-Uv { return 'uv' }
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Invoke-StageByName $env:PROBE_STAGE
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exit $LASTEXITCODE
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''', encoding="utf-8-sig")
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# uv python find returns the distribution interpreter, not a venv launcher.
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env = dict(os.environ, PROBE_STAGE=stage, PROBE_EXIT=str(exit_code), BOOTSTRAP_PYTHON=sys._base_executable,
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PM_LOG=str(pm_log), UV_BUSY=str(tmp_path / "uv-busy"), PATHEXT=".COM;.EXE;.BAT;.CMD")
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env.pop("PYTHONPATH", None)
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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=env, 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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from hermes_platform.host.facts import native_arch
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# The request names the machine's architecture: a bare version lets uv
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# pick an emulated x86_64 build on Windows-on-ARM.
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uv_arch = "aarch64" if native_arch() == "arm64" else "x86_64"
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assert [json.loads(line) for line in log.read_text(encoding="utf-8-sig").splitlines()] == [
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["python", "find", "--managed-python", "--no-project", f"cpython-3.12-windows-{uv_arch}-none"],
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]
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if stage == "python-deps":
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assert json.loads(pm_log.read_text(encoding="utf-8-sig")) == ["install"]
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else:
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assert not pm_log.exists()
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assert existing.read_text(encoding="utf-8-sig") == "previous generation"
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