Replace the multi-path UV resolution chain (PATH probing, conda guards,
5-location trust ordering, temp-dir fallback installs) with a single
managed uv binary at $HERMES_HOME/bin/uv. Every code path that needs
uv resolves it from that one location; if missing, ensure_uv()
bootstraps it via the official standalone installer.
Key changes:
- New hermes_cli/managed_uv.py: managed_uv_path(), resolve_uv(),
ensure_uv() (returns (path, freshly_bootstrapped) tuple),
update_managed_uv(), rebuild_venv(), installer internals.
- hermes_cli/main.py: replace all shutil.which('uv') with ensure_uv(),
add venv rebuild on first-time managed uv bootstrap, update_managed_uv
before dep install on all 3 update paths.
- scripts/install.sh: install_uv() always installs to
$HERMES_HOME/bin/uv; delete ensure_fts5, _python_has_fts5,
_reinstall_python_with_fts5, _warn_no_fts5 (61 lines).
Managed uv always installs current Python with FTS5.
- scripts/install.ps1: Install-Uv always installs to
$HermesHome\bin\uv.exe; Resolve-UvCmd checks managed location first.
- hermes_state.py: simplified FTS5 warning now suggests 'hermes update'
as the fix instead of blaming install method.
- tests: 15 tests in test_managed_uv.py, autouse _patch_managed_uv
fixture in test_cmd_update.py.
Closes #37605, Closes #37622
206 lines
8.8 KiB
Python
206 lines
8.8 KiB
Python
"""Tests for hermes_cli.managed_uv — one path, no guessing."""
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from __future__ import annotations
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import os
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import stat
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from pathlib import Path
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from unittest.mock import MagicMock, patch
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import pytest
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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def _make_executable(path: Path) -> None:
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"""Create a minimal fake uv binary at *path*."""
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path.parent.mkdir(parents=True, exist_ok=True)
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path.write_text("#!/bin/sh\necho uv 0.1.2\n")
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path.chmod(path.stat().st_mode | stat.S_IEXEC)
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# ---------------------------------------------------------------------------
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# managed_uv_path
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# ---------------------------------------------------------------------------
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class TestManagedUvPath:
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def test_posix(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv.platform.system", return_value="Linux"):
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from hermes_cli.managed_uv import managed_uv_path
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assert managed_uv_path() == tmp_path / "bin" / "uv"
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def test_windows(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv.platform.system", return_value="Windows"):
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from hermes_cli.managed_uv import managed_uv_path
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assert managed_uv_path() == tmp_path / "bin" / "uv.exe"
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# ---------------------------------------------------------------------------
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# resolve_uv
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# ---------------------------------------------------------------------------
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class TestResolveUv:
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def test_missing_returns_none(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import resolve_uv
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assert resolve_uv() is None
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def test_existing_executable(self, tmp_path):
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_make_executable(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import resolve_uv
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result = resolve_uv()
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assert result == str(tmp_path / "bin" / "uv")
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def test_non_executable_file_returns_none(self, tmp_path):
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uv = tmp_path / "bin" / "uv"
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uv.parent.mkdir(parents=True)
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uv.write_text("not a binary")
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# Ensure no execute bit
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uv.chmod(0o644)
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import resolve_uv
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assert resolve_uv() is None
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# ---------------------------------------------------------------------------
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# ensure_uv
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# ---------------------------------------------------------------------------
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class TestEnsureUv:
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def test_already_installed_no_bootstrap(self, tmp_path):
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_make_executable(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import ensure_uv
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path, fresh = ensure_uv()
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assert path == str(tmp_path / "bin" / "uv")
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assert fresh is False
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def test_installs_if_missing_sets_bootstrap_flag(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv._install_uv") as mock_install:
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# Simulate the installer creating the binary
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def fake_install(target):
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_make_executable(target)
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mock_install.side_effect = fake_install
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from hermes_cli.managed_uv import ensure_uv
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path, fresh = ensure_uv()
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assert path == str(tmp_path / "bin" / "uv")
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assert fresh is True
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mock_install.assert_called_once()
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def test_install_failure_returns_none_false(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv._install_uv", side_effect=RuntimeError("network down")):
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from hermes_cli.managed_uv import ensure_uv
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path, fresh = ensure_uv()
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assert path is None
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assert fresh is False
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# ---------------------------------------------------------------------------
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# rebuild_venv
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# ---------------------------------------------------------------------------
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class TestRebuildVenv:
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def test_removes_old_venv_and_creates_new(self, tmp_path):
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venv_dir = tmp_path / "venv"
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venv_dir.mkdir()
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(venv_dir / "old_file").write_text("stale")
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uv_bin = str(tmp_path / "bin" / "uv")
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def fake_run(cmd, **kwargs):
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m = MagicMock(returncode=0)
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if cmd[1] == "venv":
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# Simulate uv creating the venv dir
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venv_dir.mkdir(exist_ok=True)
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bin_dir = venv_dir / "bin"
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bin_dir.mkdir(parents=True, exist_ok=True)
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(bin_dir / "python").write_text("#!/bin/sh\necho Python 3.11.0")
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elif "--version" in cmd:
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m.stdout = "Python 3.11.0"
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return m
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with patch("hermes_cli.managed_uv.subprocess.run", side_effect=fake_run), \
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patch("hermes_cli.managed_uv.shutil.rmtree") as mock_rmtree:
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from hermes_cli.managed_uv import rebuild_venv
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result = rebuild_venv(uv_bin, venv_dir)
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assert result is True
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mock_rmtree.assert_called_once_with(venv_dir, ignore_errors=True)
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def test_rebuild_failure_returns_false(self, tmp_path):
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venv_dir = tmp_path / "venv"
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uv_bin = str(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.subprocess.run") as mock_run, \
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patch("hermes_cli.managed_uv.shutil.rmtree"):
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mock_run.return_value = MagicMock(returncode=1, stderr="nope")
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from hermes_cli.managed_uv import rebuild_venv
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result = rebuild_venv(uv_bin, venv_dir)
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assert result is False
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# ---------------------------------------------------------------------------
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# update_managed_uv
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# ---------------------------------------------------------------------------
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class TestUpdateManagedUv:
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def test_no_uv_returns_none(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import update_managed_uv
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assert update_managed_uv() is None
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def test_self_update_success(self, tmp_path):
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_make_executable(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv.subprocess.run") as mock_run:
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# uv self update succeeds
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mock_run.return_value = MagicMock(returncode=0, stdout="uv 0.2.0")
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from hermes_cli.managed_uv import update_managed_uv
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result = update_managed_uv()
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assert result == str(tmp_path / "bin" / "uv")
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# First call is self update, second is --version
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assert mock_run.call_count == 2
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assert mock_run.call_args_list[0][0][0] == [str(tmp_path / "bin" / "uv"), "self", "update"]
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def test_self_update_failure_non_fatal(self, tmp_path):
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_make_executable(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv.subprocess.run") as mock_run:
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mock_run.return_value = MagicMock(returncode=1, stderr="nope")
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from hermes_cli.managed_uv import update_managed_uv
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result = update_managed_uv()
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# Still returns the path — failure is non-fatal
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assert result == str(tmp_path / "bin" / "uv")
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# ---------------------------------------------------------------------------
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# _install_uv internals
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# ---------------------------------------------------------------------------
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class TestInstallUvInternals:
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def test_posix_sets_uv_unmanaged_install(self, tmp_path):
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target = tmp_path / "bin" / "uv"
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with patch("hermes_cli.managed_uv._install_uv_posix") as mock_posix:
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from hermes_cli.managed_uv import _install_uv
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_install_uv(target)
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mock_posix.assert_called_once()
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call_env = mock_posix.call_args[0][0]
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assert call_env["UV_UNMANAGED_INSTALL"] == str(tmp_path / "bin")
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def test_windows_sets_uv_install_dir(self, tmp_path):
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target = tmp_path / "bin" / "uv.exe"
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with patch("hermes_cli.managed_uv.platform.system", return_value="Windows"), \
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patch("hermes_cli.managed_uv._install_uv_windows") as mock_windows:
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from hermes_cli.managed_uv import _install_uv
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_install_uv(target)
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mock_windows.assert_called_once()
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call_env = mock_windows.call_args[0][0]
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assert call_env["UV_INSTALL_DIR"] == str(tmp_path / "bin")
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