def test_print_cyjs_graph():
cja = CyJSAssembler()
cja.add_statements([st_act, st_act2])
cja.make_model()
cyjs_str = cja.print_cyjs_graph()
# assert output is not empty
assert (len(cyjs_str) > len('{\n "edges": [],\n "nodes": []\n}'))
def assemble_cyjs():
"""Assemble INDRA Statements and return Cytoscape JS network."""
response = request.body.read().decode('utf-8')
body = json.loads(response)
stmts_json = body.get('statements')
stmts = stmts_from_json(stmts_json)
cja = CyJSAssembler()
cja.add_statements(stmts)
cja.make_model(grouping=True)
model_str = cja.print_cyjs_graph()
return model_str