dangerzone/tests/isolation_provider/test_qubes.py
2023-10-02 12:06:18 +01:00

88 lines
2.7 KiB
Python

import signal
import subprocess
import time
import pytest
from pytest import MonkeyPatch
from pytest_mock import MockerFixture
from dangerzone.conversion import errors
from dangerzone.document import Document
from dangerzone.isolation_provider.base import IsolationProvider
from dangerzone.isolation_provider.qubes import Qubes, running_on_qubes
# XXX Fixtures used in abstract Test class need to be imported regardless
from .. import (
pdf_11k_pages,
sample_bad_height,
sample_bad_width,
sample_doc,
sanitized_text,
uncommon_text,
)
from .base import IsolationProviderTest
@pytest.fixture
def provider() -> Qubes:
return Qubes()
@pytest.mark.skipif(not running_on_qubes(), reason="Not on a Qubes system")
class TestQubes(IsolationProviderTest):
def test_max_pages_client_side_enforcement(
self,
sample_doc: str,
provider: Qubes,
mocker: MockerFixture,
) -> None:
provider.progress_callback = mocker.MagicMock()
mocker.patch(
"dangerzone.conversion.errors.MAX_PAGES", 1
) # sample_doc has 4 pages > 1
doc = Document(sample_doc)
with pytest.raises(errors.MaxPagesException):
success = provider._convert(doc, ocr_lang=None)
assert not success
def test_max_dimensions(
self,
sample_bad_width: str,
sample_bad_height: str,
provider: Qubes,
mocker: MockerFixture,
) -> None:
provider.progress_callback = mocker.MagicMock()
with pytest.raises(errors.MaxPageWidthException):
success = provider._convert(Document(sample_bad_width), ocr_lang=None)
assert not success
with pytest.raises(errors.MaxPageHeightException):
success = provider._convert(Document(sample_bad_height), ocr_lang=None)
assert not success
def test_out_of_ram(
self,
provider: Qubes,
mocker: MockerFixture,
monkeypatch: MonkeyPatch,
sample_doc: str,
) -> None:
provider.progress_callback = mocker.MagicMock()
def qrexec_subprocess() -> subprocess.Popen:
p = subprocess.Popen(
# XXX error 126 simulates a qrexec-policy failure. Source:
# https://github.com/QubesOS/qubes-core-qrexec/blob/fdcbfd7/daemon/qrexec-daemon.c#L1022
["exit 126"],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True,
)
return p
monkeypatch.setattr(provider, "qrexec_subprocess", qrexec_subprocess)
with pytest.raises(errors.QubesQrexecFailed) as e:
doc = Document(sample_doc)
provider._convert(doc, ocr_lang=None)