diff --git a/IPython/nbconvert/preprocessors/tests/test_execute.py b/IPython/nbconvert/preprocessors/tests/test_execute.py index f0577a5..101b66c 100644 --- a/IPython/nbconvert/preprocessors/tests/test_execute.py +++ b/IPython/nbconvert/preprocessors/tests/test_execute.py @@ -105,3 +105,20 @@ class TestExecute(PreprocessorTestsBase): else: self.assert_notebooks_equal(output_nb, input_nb) + + def test_empty_path(self): + """Can the kernel be started when the path is empty?""" + current_dir = os.path.dirname(__file__) + filename = os.path.join(current_dir, 'files', 'HelloWorld.ipynb') + with io.open(filename) as f: + input_nb = nbformat.read(f, 4) + res = self.build_resources() + res['metadata']['path'] = '' + preprocessor = self.build_preprocessor() + cleaned_input_nb = copy.deepcopy(input_nb) + for cell in cleaned_input_nb.cells: + if 'execution_count' in cell: + del cell['execution_count'] + cell['outputs'] = [] + output_nb, _ = preprocessor(cleaned_input_nb, res) + self.assert_notebooks_equal(output_nb, input_nb)