221 lines
10 KiB
Python
221 lines
10 KiB
Python
"""Cheap source-driver checks: real shells, disposable installs, no installer."""
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import hashlib
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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 runpy
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import shutil
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import subprocess
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import sys
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import sysconfig
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import pytest
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ASSETS = Path(__file__).resolve().parents[1] / "install/e2e-assets"
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@pytest.mark.platforms("posix")
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def test_shell_selects_the_installed_command_not_the_phase_or_path(tmp_path):
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root = tmp_path / "installed source"
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legacy = root / "venv/bin/hermes"
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published = root / ".hermes/bin/hermes"
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for command, label in ((legacy, "legacy"), (published, "published")):
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command.parent.mkdir(parents=True)
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command.write_text(f'#!/bin/sh\nprintf "{label}:%s\\n" "$*"\n', encoding="utf-8")
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command.chmod(0o755)
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env = dict(os.environ, INSTALL_DIR=str(root), ASSETS=str(ASSETS), HOME=str(tmp_path))
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result = subprocess.run(["bash", "-euc", '''
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source "$ASSETS/source-driver.sh"
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command=$(source_hermes "$INSTALL_DIR")
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"$command" 'literal argument'
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rm "$INSTALL_DIR/venv/bin/hermes"
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test "$(source_hermes "$INSTALL_DIR")" = "$command"
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printf '#!/bin/sh\nexit 23\n' > "$command"
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"$command" || test "$?" = 23
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rm "$command"
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if source_hermes "$INSTALL_DIR"; then exit 91; fi
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printf '#!/bin/sh\nprintf legacy\n' > "$INSTALL_DIR/venv/bin/hermes"
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chmod +x "$INSTALL_DIR/venv/bin/hermes"
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"$(source_hermes "$INSTALL_DIR")"
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# A PM checkout cannot hide missing publication behind its old venv.
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mkdir -p "$INSTALL_DIR/pm"
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printf '{}' > "$INSTALL_DIR/pm/lock.json"
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if source_hermes "$INSTALL_DIR"; then exit 92; fi
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'''], env=env, cwd=tmp_path, capture_output=True, text=True, timeout=30)
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assert result.returncode == 0, result.stdout + result.stderr
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assert result.stdout.splitlines() == ["published:literal argument", "legacy"]
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@pytest.mark.platforms("windows", "posix")
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def test_powershell_selects_exact_exe_or_cmd_and_legacy_fallback(tmp_path):
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# These are file-selection rules, not Windows execution emulation. Run
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# them in real PowerShell on any host that supplies it (native CI included).
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path = os.pathsep.join(p for p in os.get_exec_path() if ".hermes" not in Path(p).parts)
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pwsh = shutil.which("pwsh", path=path) or shutil.which("powershell", path=path)
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if not pwsh:
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if os.name == "nt":
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pytest.fail("native Windows acceptance requires PowerShell")
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pytest.skip("PowerShell is not available on this host")
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root = tmp_path / "installed source"
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root.mkdir()
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harness = tmp_path / "probe.ps1"
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harness.write_text('''$ErrorActionPreference = 'Stop'
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. (Join-Path $env:ASSETS 'source-driver.ps1')
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$root = $env:INSTALL_DIR
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$legacy = Join-Path $root 'venv/Scripts/hermes.exe'
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$exe = Join-Path $root '.hermes/bin/hermes.exe'
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$cmd = Join-Path $root '.hermes/bin/hermes.cmd'
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New-Item -ItemType Directory -Path (Split-Path $legacy), (Split-Path $exe) -Force | Out-Null
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Set-Content $legacy 'legacy'
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if ((Get-SourceHermes $root) -ne $legacy) { throw 'legacy fallback' }
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Set-Content $cmd 'cmd'
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if ((Get-SourceHermes $root) -ne $cmd) { throw 'published cmd' }
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Set-Content $exe 'exe'
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if ((Get-SourceHermes $root) -ne $exe) { throw 'exe precedence' }
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Remove-Item $legacy
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if ((Get-SourceHermes $root) -ne $exe) { throw 'requires legacy venv' }
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Remove-Item $exe, $cmd
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$refused = $false
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try { Get-SourceHermes $root } catch { $refused = $true }
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if (-not $refused) { throw 'missing command accepted' }
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Set-Content $legacy 'stale legacy'
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New-Item -ItemType Directory -Path (Join-Path $root 'pm') | Out-Null
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Set-Content (Join-Path $root 'pm/lock.json') '{}'
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$refused = $false
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try { Get-SourceHermes $root } catch { $refused = $true }
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if (-not $refused) { throw 'missing PM launcher accepted' }
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Write-Output 'selection verified'
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''', encoding="utf-8")
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result = subprocess.run([pwsh, "-NoProfile", "-NonInteractive", "-File", str(harness)],
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env=dict(os.environ, INSTALL_DIR=str(root), ASSETS=str(ASSETS), HOME=str(tmp_path)),
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cwd=tmp_path, capture_output=True, text=True, timeout=30)
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assert result.returncode == 0, result.stdout + result.stderr
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assert result.stdout.strip() == "selection verified"
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def test_observer_preserves_no_desktop_and_refuses_incomplete_app(tmp_path):
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verify = runpy.run_path(str(ASSETS / "source_driver.py"))["verify_products"]
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root = tmp_path / "source"
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root.mkdir()
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verify(root, "absent")
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assert list(root.iterdir()) == []
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with pytest.raises(RuntimeError, match="desktop"):
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verify(root, "present")
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release = root / "apps/desktop/release/linux-unpacked"
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release.mkdir(parents=True)
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(release / "hermes").write_bytes(b"incomplete fixture")
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with pytest.raises(RuntimeError, match="desktop"):
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verify(root, "absent")
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with pytest.raises(RuntimeError, match="desktop"):
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verify(root, "present")
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assert (release / "hermes").read_bytes() == b"incomplete fixture"
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@pytest.mark.platforms("posix")
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@pytest.mark.parametrize("fault,error", [
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("uv-lock", "dependency generation is not current"),
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("no-desktop", "dependency generation is not current"),
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("foreign-launcher", "belongs to another installation"),
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("missing-launcher", ""),
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("incomplete", "incomplete"),
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("web-changed", "web output"), ("web-missing", "web output"),
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])
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def test_pm_observer_accepts_ready_fixture_and_leaves_failed_fixture_untouched(tmp_path, fault, error):
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# This exercises the complete observer process, not a whole install. The
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# fixture borrows prepared test dependencies and records real PM input
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# stamps / compiler receipts. It never resolves or acquires a package.
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repo = ASSETS.parents[2]
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root = tmp_path / "source"
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for directory in ("pm", "hermes_cli"):
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shutil.copytree(repo / directory, root / directory, ignore=shutil.ignore_patterns("__pycache__"))
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shutil.copy2(repo / "hermes_constants.py", root / "hermes_constants.py")
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(root / "hermes_bootstrap.py").write_text("raise RuntimeError('bootstrap must not run')", encoding="utf-8")
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(root / "uv.lock").write_text("fixture locked graph", encoding="utf-8")
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home = tmp_path / "home"
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store = tmp_path / "store"
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env = dict(os.environ, HOME=str(home), HERMES_HOME=str(home), HERMES_RUNTIME_DIR=str(store),
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PYTHONDONTWRITEBYTECODE="1", HERMES_DISABLE_LAZY_INSTALLS="1")
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env.pop("HERMES_INSTALL_ROOT", None)
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path = os.pathsep.join(p for p in os.get_exec_path() if ".hermes" not in Path(p).parts)
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node = shutil.which("node", path=path)
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assert node
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setup = '''import sys
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from pathlib import Path
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root, store, node, deps = map(Path, sys.argv[1:])
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sys.path.insert(0, str(root))
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from pm.lock import Facts, Lockfile
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from pm.packages import Venv
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from hermes_cli.runtime_paths import install_state_dir, runtime_facts_path, site_packages
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from hermes_cli._launchers import ensure_install_launchers
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lock = Lockfile(root / 'pm/lock.json')
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lock.set_pin('node', 'fixture', {})
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lock.save()
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for name, executable in [('python', Path(sys.executable)), ('node', node)]:
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binary = store / name / 'bin' / ('python3' if name == 'python' else name)
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binary.parent.mkdir(parents=True)
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binary.symlink_to(executable)
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Facts(store / 'facts.json').record(name, 'fixture', name, {}, store)
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selected = install_state_dir(root) / 'environments/fixture/venv'
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selected.mkdir(parents=True)
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(selected / 'pyvenv.cfg').write_text('home = fixture')
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site = site_packages(selected)
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site.parent.mkdir(parents=True)
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site.symlink_to(deps, target_is_directory=True)
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Facts(runtime_facts_path(root)).record_state('venv', Venv(root).expected_stamp([]), [], environment=selected)
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ensure_install_launchers(root, root / '.hermes/bin')
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'''
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subprocess.run([sys.executable, "-I", "-B", "-c", setup, str(root), str(store), node,
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sysconfig.get_path("purelib")], env=env, cwd=tmp_path, check=True, timeout=60)
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build = root / "scripts/build"
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build.mkdir(parents=True)
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for name in ("freshness.mjs", "frontend-common.mjs"):
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shutil.copy2(repo / "scripts/build" / name, build / name)
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record = '''import { mkdirSync, writeFileSync } from 'node:fs';
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import { buildInputs, recordProduct } from './scripts/build/freshness.mjs';
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const source = process.cwd();
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for (const [product, out] of [['tui', 'ui-tui/dist'], ['web', 'hermes_cli/web_dist'], ['desktop', 'apps/desktop/release/linux-unpacked/resources/app.asar.unpacked/dist']]) {
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mkdirSync(out, { recursive: true }); writeFileSync(out + '/index.html', 'fixture product');
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recordProduct({source, product, out, inputs: buildInputs(source, product)});
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}
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'''
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subprocess.run([node, "--input-type=module", "-e", record], cwd=root, env=env, check=True, timeout=30)
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(root / "apps/desktop/release/linux-unpacked/hermes").write_bytes(b"fixture executable")
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command = [sys.executable, "-B", str(ASSETS / "source_driver.py"), "--root", str(root),
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"--launcher", str(root / ".hermes/bin/hermes"), "--desktop", "present"]
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if fault == "no-desktop":
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shutil.rmtree(root / "apps/desktop")
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command[-1] = "absent"
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# The passive query must not write even import caches: -I ignores the
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# environment's bytecode switch, so the published query enforces it.
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def snapshot():
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return {p: (hashlib.sha256(p.read_bytes()).hexdigest(), p.stat().st_mtime_ns) for tree in (root, home, store)
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for p in tree.rglob("*") if p.is_file()}
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before = snapshot()
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result = subprocess.run(command, env=env, cwd=tmp_path, capture_output=True, text=True, timeout=60)
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assert result.returncode == 0, result.stdout + result.stderr
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assert snapshot() == before
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if fault in {"uv-lock", "no-desktop"}:
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(root / "uv.lock").write_text("changed graph without preparation", encoding="utf-8")
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elif fault == "foreign-launcher":
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foreign = tmp_path / "foreign"
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shutil.copytree(root, foreign)
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from hermes_cli._launchers import mint_launcher
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launcher = mint_launcher("hermes", foreign, root / ".hermes/bin", Path(sys.executable), None)
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assert launcher is not None
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elif fault == "missing-launcher":
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(root / ".hermes/bin/hermes").unlink()
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elif fault == "incomplete":
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(root / ".update-incomplete").write_text("incomplete", encoding="utf-8")
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else:
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damaged = root / "hermes_cli/web_dist/index.html"
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if fault == "web-missing":
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damaged.unlink()
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else:
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damaged.write_bytes(b"damaged")
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before = snapshot()
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result = subprocess.run(command, env=env, cwd=tmp_path, capture_output=True, text=True, timeout=60)
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assert result.returncode != 0
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assert error in result.stderr
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assert "bootstrap must not run" not in result.stderr
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assert snapshot() == before |