testsAndMisc/python_pkg/brother_printer/tests/test_cups_queue_part3.py
Krzysztof kuhy Rudnicki 2545d72710 test: achieve 100% branch coverage across all python_pkg packages
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2026-03-21 17:51:36 +01:00

77 lines
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Python

"""Tests for brother_printer.cups_queue module - part 3 (display status)."""
from __future__ import annotations
from io import StringIO
from unittest.mock import MagicMock, patch
from python_pkg.brother_printer.cups_queue import (
display_cups_queue_status,
)
from python_pkg.brother_printer.data_classes import CUPSJob, CUPSQueueStatus
MOD = "python_pkg.brother_printer.cups_queue"
class TestDisplayCupsQueueStatus:
def test_no_printer(self) -> None:
queue = CUPSQueueStatus(printer_name="")
with patch("sys.stdout", new_callable=StringIO) as out:
display_cups_queue_status(queue)
assert out.getvalue() == ""
def test_all_ok(self) -> None:
queue = CUPSQueueStatus(
printer_name="B",
enabled=True,
jobs=[],
has_backend_errors=False,
)
with patch("sys.stdout", new_callable=StringIO) as out:
display_cups_queue_status(queue)
assert out.getvalue() == ""
@patch(f"{MOD}._offer_queue_fix")
def test_disabled(self, mock_fix: MagicMock) -> None:
queue = CUPSQueueStatus(
printer_name="B",
enabled=False,
reason="paused",
)
with patch("sys.stdout", new_callable=StringIO):
display_cups_queue_status(queue)
mock_fix.assert_called_once()
@patch(f"{MOD}._offer_queue_fix")
def test_with_jobs(self, mock_fix: MagicMock) -> None:
queue = CUPSQueueStatus(
printer_name="B",
enabled=True,
jobs=[CUPSJob("j1", "alice", "1024", "Mon")],
)
with patch("sys.stdout", new_callable=StringIO):
display_cups_queue_status(queue)
mock_fix.assert_called_once()
@patch(f"{MOD}._offer_queue_fix")
def test_backend_errors_only(self, mock_fix: MagicMock) -> None:
queue = CUPSQueueStatus(
printer_name="B",
enabled=True,
has_backend_errors=True,
)
with patch("sys.stdout", new_callable=StringIO):
display_cups_queue_status(queue)
mock_fix.assert_called_once()
@patch(f"{MOD}._offer_queue_fix")
def test_disabled_no_reason(self, mock_fix: MagicMock) -> None:
queue = CUPSQueueStatus(
printer_name="B",
enabled=False,
reason="",
)
with patch("sys.stdout", new_callable=StringIO):
display_cups_queue_status(queue)
mock_fix.assert_called_once()