def test_cli_runscript(monkeypatch, tmp_path):
"""Test that running napari script.py runs a script"""
script = tmp_path / 'test.py'
script.write_text('import napari; v = napari.Viewer(show=False)')
with monkeypatch.context() as m:
m.setattr(sys, 'argv', ['napari', str(script)])
with pytest.raises(SystemExit):
__main__.main()
def test_cli_raises(monkeypatch):
"""test that unknown kwargs raise the correct errors."""
with monkeypatch.context() as m:
m.setattr(sys, 'argv', ['napari', 'path/to/file', '--nonsense'])
with pytest.raises(SystemExit) as e:
__main__.main()
assert str(e.value) == 'error: unrecognized arguments: --nonsense'
with monkeypatch.context() as m:
m.setattr(sys, 'argv', ['napari', 'path/to/file', '--gamma'])
with pytest.raises(SystemExit) as e:
__main__.main()
assert str(e.value) == 'error: argument --gamma expected one argument'
def test_cli_parses_unknowns(monkeypatch):
"""test that we can parse layer keyword arg variants"""
def assert_kwargs(*args, **kwargs):
assert args == (["file"], )
assert kwargs['contrast_limits'] == (0, 1)
@contextmanager
def gui_qt(**kwargs):
yield
# testing all the variants of literal_evals
monkeypatch.setattr(__main__, 'view_path', assert_kwargs)
monkeypatch.setattr(__main__, 'gui_qt', gui_qt)
with monkeypatch.context() as m:
m.setattr(sys, 'argv', ['n', 'file', '--contrast-limits', '(0, 1)'])
__main__.main()
with monkeypatch.context() as m:
m.setattr(sys, 'argv', ['n', 'file', '--contrast-limits', '(0,1)'])
__main__.main()
with monkeypatch.context() as m:
m.setattr(sys, 'argv', ['n', 'file', '--contrast-limits=(0, 1)'])
__main__.main()
with monkeypatch.context() as m:
m.setattr(sys, 'argv', ['n', 'file', '--contrast-limits=(0,1)'])
__main__.main()
def test_cli_passes_kwargs(monkeypatch):
"""test that we can parse layer keyword arg variants"""
@contextmanager
def gui_qt(**kwargs):
yield
viewer_mock = MagicMock(napari.Viewer)
monkeypatch.setattr(napari, 'Viewer', viewer_mock)
monkeypatch.setattr(__main__, 'gui_qt', gui_qt)
with monkeypatch.context() as m:
m.setattr(sys, 'argv', ['n', 'file', '--name', 'some name'])
__main__.main()
expected = call().open(
path=['file'],
stack=False,
plugin=None,
layer_type=None,
name='some name',
)
assert expected in viewer_mock.mock_calls
import sys
import os
import site
# patch. see https://github.com/napari/napari/pull/2030
nap = os.path.join(site.getsitepackages()[0], "napari")
build_res = os.path.join(nap, "resources", "build_icons.py")
if os.path.exists(build_res):
with open(build_res, "r") as f:
text = f.read()
text = text.replace("check_call([name,", "check_call([sys.executable, name,")
with open(build_res, "w") as f:
f.write(text)
# probably mac specific for now
bin = os.path.join(os.path.dirname(sys.exec_prefix), "app_packages", "bin")
os.environ["PATH"] = bin + os.pathsep + os.environ["PATH"]
from napari.__main__ import main
sys.exit(main())
except ImportError:
from .bootstrap import BootStrap
BootStrap().run()
except Exception:
from .error import ErrorDialog
ErrorDialog().run()
def test_cli_shows_plugins(monkeypatch, capsys):
"""Test the cli --info runs and shows plugins"""
monkeypatch.setattr(sys, 'argv', ['napari', '--info'])
with pytest.raises(SystemExit):
__main__.main()
assert 'svg' in str(capsys.readouterr())
def test_cli_works(monkeypatch, capsys):
"""Test the cli runs and shows help"""
monkeypatch.setattr(sys, 'argv', ['napari', '-h'])
with pytest.raises(SystemExit):
__main__.main()
assert 'napari command line viewer.' in str(capsys.readouterr())
