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"""pytest markers and fixtures."""
import pytest
SKIP_EXE = '--skip-exe'
ONLY_EXE = '--only-exe'
def pytest_configure(config):
config.addinivalue_line('markers',
f'exe(xfail): skip/xfail if {SKIP_EXE} is given')
def pytest_collection_modifyitems(config, items):
if config.getoption(ONLY_EXE, None) or config.getoption(SKIP_EXE, None):
only = config.getoption(ONLY_EXE, None)
for item in items:
exe_marker = _make_exe_marker(item, only=only)
if exe_marker is not None:
item.add_marker(exe_marker)
def _make_exe_marker(item, only: bool = False):
def make_kwargs(**kwargs):
return kwargs
exe_values = [make_kwargs(*m.args, **m.kwargs)
for m in item.iter_markers(name='exe')]
if only:
if exe_values:
return None
return pytest.mark.skip(reason=f'skipped by {ONLY_EXE} flag')
elif exe_values:
assert len(exe_values) == 1
kwargs, = exe_values
if kwargs.pop('xfail', None):
kwargs.setdefault('reason', f'xfail by {SKIP_EXE} flag')
return pytest.mark.xfail(**kwargs)
else:
kwargs.setdefault('reason', f'skipped by {SKIP_EXE} flag')
return pytest.mark.skip(**kwargs)
return None
@pytest.fixture(scope='session')
def platform():
import platform
return platform.system().lower()
@pytest.fixture(params=[False, True], ids=lambda q: f'quiet={q!r}')
def quiet(request):
return request.param
@pytest.fixture
def sentinel(mocker):
return mocker.sentinel
@pytest.fixture
def mock_render(mocker):
yield mocker.patch('graphviz.backend.rendering.render', autospec=True)
@pytest.fixture
def mock_pipe(mocker):
yield mocker.patch('graphviz.backend.piping.pipe', autospec=True)
@pytest.fixture
def mock_pipe_lines(mocker):
yield mocker.patch('graphviz.backend.piping.pipe_lines', autospec=True)
@pytest.fixture
def mock_pipe_lines_string(mocker):
yield mocker.patch('graphviz.backend.piping.pipe_lines_string', autospec=True)
@pytest.fixture
def mock_unflatten(mocker):
yield mocker.patch('graphviz.backend.unflattening.unflatten', autospec=True)
@pytest.fixture(params=['darwin', 'freebsd', 'linux', 'windows'],
ids=lambda p: f'platform={p!r}')
def mock_platform(monkeypatch, request):
monkeypatch.setattr('graphviz.backend.viewing.PLATFORM', request.param)
yield request.param
@pytest.fixture
def unknown_platform(monkeypatch, name='nonplatform'):
monkeypatch.setattr('graphviz.backend.viewing.PLATFORM', name)
yield name
@pytest.fixture
def mock_run(mocker):
yield mocker.patch('subprocess.run', autospec=True)
@pytest.fixture
def mock_popen(mocker):
yield mocker.patch('subprocess.Popen', autospec=True)
@pytest.fixture
def mock_startfile(mocker, platform):
if platform == 'windows':
kwargs = {'autospec': True}
else:
kwargs = {'create': True, 'new_callable': mocker.Mock}
yield mocker.patch('os.startfile', **kwargs)
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