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Krzysztof kuhy Rudnicki
c4d5631054
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The CUPS-fallback note blamed a missing pyusb when the probe was really skipped because CUPS owned the printer. It now names the real reason. run.sh installs python-pyusb for the system python3 that sudo runs. A paper misfeed blocks the usb:// backend while CUPS keeps saying "processing", and cancel leaves that backend hung so the queue never recovers. The report now flags a job whose page counter is frozen for 15 s, and a backend of a cancelled job, with a y/N offer to SIGKILL it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AaBRWtXXWCs3K3yPHSruUC
26 lines
929 B
Python
26 lines
929 B
Python
"""Tests for cups_service._usb_probe_skip_reason - the fallback note's reason."""
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from __future__ import annotations
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from unittest.mock import MagicMock, patch
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from python_pkg.brother_printer.cups_service import _usb_probe_skip_reason
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MOD = "python_pkg.brother_printer.cups_service"
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class TestUsbProbeSkipReason:
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"""The note must name the real reason, not blame a pyusb that is there."""
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def test_busy_cups_wins(self) -> None:
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reason = _usb_probe_skip_reason("processing")
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assert "CUPS has a job" in reason
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@patch(f"{MOD}._import_or_raise", side_effect=ImportError("usb.core"))
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def test_pyusb_missing(self, m: MagicMock) -> None:
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assert "pyusb not installed" in _usb_probe_skip_reason("idle")
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@patch(f"{MOD}._import_or_raise", return_value=MagicMock())
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def test_printer_silent(self, m: MagicMock) -> None:
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assert "did not answer" in _usb_probe_skip_reason("idle")
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