def test_append(self):
pipeline = Pipeline()
self.assertEqual(0, len(pipeline))
pipeline.append('enrich_protein_and_rna_origins')
self.assertEqual(1, len(pipeline))
def test_append_invalid(self):
"""Test when an invalid type is given to a :class:`pybel.struct.Pipeline`."""
p = Pipeline()
with self.assertRaises(TypeError):
p.append(4)
def test_fail_add(self):
pipeline = Pipeline()
with self.assertRaises(MissingPipelineFunctionError):
pipeline.append('missing function')
def test_append(self):
pipeline = Pipeline()
self.assertEqual(0, len(pipeline))
pipeline.append('infer_central_dogma')
self.assertEqual(1, len(pipeline))
