mirror of
https://github.com/elder-plinius/OBLITERATUS.git
synced 2026-08-17 16:37:30 +02:00
Joseph Magly
eab67c993d
Cover broken psutil, Linux procfs fallback, macOS/POSIX sysconf fallback, and fail-closed behavior when every probe is unavailable.
73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
"""Portable local-launcher rendering and filesystem contracts."""
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from __future__ import annotations
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import sys
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from types import SimpleNamespace
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from unittest.mock import Mock, mock_open
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from obliteratus import local_ui
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class _EncodingOnlyStdout:
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def __init__(self, encoding: str | None) -> None:
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self.encoding = encoding
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def test_local_ui_banner_degrades_to_ascii_on_cp1252(monkeypatch):
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monkeypatch.setattr(local_ui.sys, "stdout", _EncodingOnlyStdout("cp1252"))
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banner = local_ui._banner_for_console()
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assert "OBLITERATUS" in banner
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assert banner.isascii()
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def test_local_ui_banner_keeps_block_art_on_utf8(monkeypatch):
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monkeypatch.setattr(local_ui.sys, "stdout", _EncodingOnlyStdout("utf-8"))
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assert "░" in local_ui._banner_for_console()
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def test_system_info_queries_the_platform_temp_directory(monkeypatch, tmp_path):
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disk_free = Mock(return_value=12.5)
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monkeypatch.setattr(local_ui.tempfile, "gettempdir", lambda: str(tmp_path))
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monkeypatch.setattr(local_ui, "_get_disk_free_gb", disk_free)
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monkeypatch.setattr(local_ui, "console", Mock())
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local_ui._print_system_info([])
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disk_free.assert_called_once_with(str(tmp_path))
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def test_ram_detection_falls_back_from_broken_psutil_to_proc(monkeypatch):
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broken_psutil = SimpleNamespace(
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virtual_memory=Mock(side_effect=OSError("unavailable")),
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)
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monkeypatch.setitem(sys.modules, "psutil", broken_psutil)
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monkeypatch.setattr(
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"builtins.open",
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mock_open(read_data="MemTotal: 2097152 kB\n"),
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)
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assert local_ui._get_ram_gb() == 2.0
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def test_ram_detection_uses_posix_sysconf_without_psutil_or_proc(monkeypatch):
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monkeypatch.setitem(sys.modules, "psutil", None)
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monkeypatch.setattr("builtins.open", Mock(side_effect=OSError("no procfs")))
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values = {"SC_PHYS_PAGES": 1_048_576, "SC_PAGE_SIZE": 4096}
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sysconf = Mock(side_effect=values.__getitem__)
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monkeypatch.setattr(local_ui.os, "sysconf", sysconf)
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assert local_ui._get_ram_gb() == 4.0
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assert [call.args[0] for call in sysconf.call_args_list] == [
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"SC_PHYS_PAGES",
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"SC_PAGE_SIZE",
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]
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def test_ram_detection_fails_closed_when_all_probes_are_unavailable(monkeypatch):
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monkeypatch.setitem(sys.modules, "psutil", None)
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monkeypatch.setattr("builtins.open", Mock(side_effect=OSError("no procfs")))
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monkeypatch.setattr(local_ui.os, "sysconf", Mock(side_effect=OSError("unsupported")))
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assert local_ui._get_ram_gb() == 0.0
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