def test_null_cell_render():
cell = LayoutCell(FauxTheme, None)
assert not cell.plugin_class
assert not cell.instantiate_plugin()
assert not cell.render(None) # Should render nothing whatsoever!
def test_missing_plugin_render():
plugin_id = printable_gibberish()
cell = LayoutCell(FauxTheme, plugin_identifier=plugin_id)
assert not cell.plugin_class
assert not cell.instantiate_plugin()
assert ("%s?" % plugin_id) in cell.render(None) # Should render a "whut?" comment