def test_ipython_import_error():
from dtale.views import DtaleData
builtin_pkg = '__builtin__'
if PY3:
builtin_pkg = 'builtins'
orig_import = __import__
def import_mock(name, *args, **kwargs):
if name in ['IPython', 'IPython.display']:
raise ImportError
if name == 'requests':
raise ImportError
return orig_import(name, *args, **kwargs)
df = pd.DataFrame([1, 2, 3])
with ExitStack() as stack:
stack.enter_context(
mock.patch('{}.__import__'.format(builtin_pkg),
side_effect=import_mock))
stack.enter_context(
mock.patch('dtale.views.in_ipython_frontend', return_value=False))
stack.enter_context(mock.patch('dtale.views.DATA', {9999: df}))
instance = DtaleData(9999)
assert not instance.is_up()
assert instance._build_iframe() is None
assert instance.notebook() == df.__repr__()
assert str(instance) == str(df)
assert instance.__repr__() == df.__repr__()
instance.adjust_cell_dimensions(width=5, height=5)
instance._notebook_handle = mock.Mock()
instance._build_iframe = mock.Mock()
instance.adjust_cell_dimensions(width=5, height=5)
instance._notebook_handle.update.assert_called_once()
instance._build_iframe.assert_called_once()
assert {'width': 5, 'height': 5} == instance._build_iframe.call_args[1]
with ExitStack() as stack:
stack.enter_context(
mock.patch('{}.__import__'.format(builtin_pkg),
side_effect=import_mock))
stack.enter_context(
mock.patch('dtale.views.in_ipython_frontend', return_value=True))
stack.enter_context(
mock.patch('dtale.views.DATA', return_value={9999: df}))
instance = DtaleData(9999)
instance.notebook = mock.Mock()
assert str(instance) == ''
instance.notebook.assert_called_once()
instance.notebook.reset_mock()
assert instance.__repr__() == ''
instance.notebook.assert_called_once()
def test_ipython_import_error(builtin_pkg):
from dtale.views import DtaleData
orig_import = __import__
def import_mock(name, *args, **kwargs):
if name in ["IPython", "IPython.display"]:
raise ImportError
return orig_import(name, *args, **kwargs)
df = pd.DataFrame([1, 2, 3])
with ExitStack() as stack:
stack.enter_context(
mock.patch("{}.__import__".format(builtin_pkg), side_effect=import_mock)
)
stack.enter_context(
mock.patch("dtale.views.in_ipython_frontend", return_value=False)
)
build_data_inst({9999: df})
getter = namedtuple("get", "ok")
stack.enter_context(
mock.patch("dtale.app.requests.get", return_value=getter(False))
)
instance = DtaleData(9999, "http://localhost:9999")
assert not instance.is_up()
assert instance._build_iframe() is None
assert instance.notebook() == df.__repr__()
assert str(instance) == str(df)
assert instance.__repr__() == "http://localhost:9999/dtale/main/9999"
instance.adjust_cell_dimensions(width=5, height=5)
instance._notebook_handle = mock.Mock()
instance._build_iframe = mock.Mock()
instance.adjust_cell_dimensions(width=5, height=5)
instance._notebook_handle.update.assert_called_once()
instance._build_iframe.assert_called_once()
assert {"width": 5, "height": 5} == instance._build_iframe.call_args[1]
with ExitStack() as stack:
stack.enter_context(
mock.patch("{}.__import__".format(builtin_pkg), side_effect=import_mock)
)
stack.enter_context(
mock.patch("dtale.views.in_ipython_frontend", return_value=True)
)
build_data_inst({9999: df})
instance = DtaleData(9999, "http://localhost:9999")
instance.notebook = mock.Mock()
assert str(instance) == ""
instance.notebook.assert_called_once()
instance.notebook.reset_mock()
assert instance.__repr__() is None
instance.notebook.assert_called_once()