def test_bokeh_import_error(caplog):
"""If bokeh is not installed (optional dependency),
is a friendly error message printed?"""
try:
import bokeh
except ImportError:
tpf = TessTargetPixelFile(example_tpf)
tpf.interact()
assert "requires the `bokeh` Python package" in caplog.text
def test_malformed_notebook_url():
"""Test if malformed notebook_urls raise proper exceptions."""
import bokeh
tpf = TessTargetPixelFile(example_tpf)
with pytest.raises(ValueError) as exc:
tpf.interact(notebook_url="")
assert "Empty host value" in exc.value.args[0]
with pytest.raises(AttributeError) as exc:
tpf.interact(notebook_url=None)
assert "object has no attribute" in exc.value.args[0]
def test_graceful_exit_outside_notebook():
"""Test if running interact outside of a notebook does fails gracefully."""
import bokeh
tpf = TessTargetPixelFile(example_tpf)
result = tpf.interact()
assert result is None