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108 lines
3.9 KiB
Python
108 lines
3.9 KiB
Python
# SPDX-License-Identifier: MIT
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"""GUI missing-PySide6 install hint (#502): distro-aware, apt-candidate-probed."""
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from __future__ import annotations
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from unittest.mock import patch
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from winpodx.utils import install_source as src
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class _Proc:
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def __init__(self, stdout: str):
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self.stdout = stdout
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def _apt_policy(candidate: str | None) -> str:
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"""Render an `apt-cache policy` stdout with the given Candidate value."""
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cand = candidate if candidate is not None else "(none)"
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return f"python3-pyside6.qtwidgets:\n Installed: (none)\n Candidate: {cand}\n"
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def test_apt_has_candidate_true_and_false():
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with patch.object(src.subprocess, "run", return_value=_Proc(_apt_policy("6.6.0-1"))):
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assert src._apt_has_candidate("python3-pyside6.qtwidgets") is True
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with patch.object(src.subprocess, "run", return_value=_Proc(_apt_policy(None))):
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assert src._apt_has_candidate("python3-pyside6.qtwidgets") is False
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# Unknown package — apt-cache prints nothing for it.
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with patch.object(src.subprocess, "run", return_value=_Proc("")):
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assert src._apt_has_candidate("nope") is False
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def test_apt_has_candidate_survives_subprocess_error():
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with patch.object(src.subprocess, "run", side_effect=OSError):
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assert src._apt_has_candidate("python3-pyside6.qtwidgets") is False
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def test_apt_command_split_packages_when_available():
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with (
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patch.object(src.shutil, "which", return_value="/usr/bin/apt-cache"),
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patch.object(src, "_apt_has_candidate", return_value=True),
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):
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cmd = src._apt_pyside6_command()
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assert cmd == "sudo apt install python3-pyside6.qtwidgets python3-pyside6.qtsvg"
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def test_apt_command_falls_back_to_metapackage():
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def has(pkg: str) -> bool:
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return pkg == "python3-pyside6" # only the metapackage exists
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with (
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patch.object(src.shutil, "which", return_value="/usr/bin/apt-cache"),
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patch.object(src, "_apt_has_candidate", side_effect=has),
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):
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assert src._apt_pyside6_command() == "sudo apt install python3-pyside6"
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def test_apt_command_none_when_archive_lacks_pyside6():
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# The Ubuntu 24.04 LTS case: no candidate for any name.
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with (
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patch.object(src.shutil, "which", return_value="/usr/bin/apt-cache"),
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patch.object(src, "_apt_has_candidate", return_value=False),
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):
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assert src._apt_pyside6_command() is None
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def test_apt_command_none_without_apt_cache():
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with patch.object(src.shutil, "which", return_value=None):
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assert src._apt_pyside6_command() is None
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def test_pkg_command_static_families():
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with (
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patch.object(src, "_distro_id", return_value="fedora"),
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patch.object(src, "_distro_id_like", return_value=""),
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):
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assert src._pyside6_pkg_command() == "sudo dnf install python3-pyside6"
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with (
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patch.object(src, "_distro_id", return_value="arch"),
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patch.object(src, "_distro_id_like", return_value=""),
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):
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assert src._pyside6_pkg_command() == "sudo pacman -S pyside6"
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def test_pkg_command_unknown_distro_is_none():
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with (
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patch.object(src, "_distro_id", return_value="weirdos"),
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patch.object(src, "_distro_id_like", return_value=""),
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):
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assert src._pyside6_pkg_command() is None
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def test_hint_leads_with_appimage_and_never_bare_pip():
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with patch.object(src, "_pyside6_pkg_command", return_value=None):
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hint = src.pyside6_install_hint()
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first = hint.splitlines()[0]
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assert "AppImage" in first
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# The old failing advice must be gone.
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assert "pip install PySide6" not in hint
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# When no distro package, the explicit fallback note is shown.
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assert "may not package PySide6" in hint
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def test_hint_shows_distro_package_when_available():
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with patch.object(src, "_pyside6_pkg_command", return_value="sudo apt install python3-pyside6"):
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hint = src.pyside6_install_hint()
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assert "sudo apt install python3-pyside6" in hint
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assert "may not package PySide6" not in hint
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