single edge

tests/conftest.py

@@ -20,6 +20,10 @@ def empty():
 def single_node():
     return json.load(open(f"{json_dir}/single_node.json", "r"))
 
+@pytest.fixture
+def single_edge():
+    return json.load(open(f"{json_dir}/single_edge.json", "r"))
+
 @pytest.fixture
 def bad_top_level_field():
     return json.load(open(f"{json_dir}/bad_top_level_field.json", "r"))

tests/test_files/single_edge.json

@@ -0,0 +1 @@
+{"incidences": [], "edges": [ { "edge": 3 } ]}

tests/test_schema.py

@@ -25,6 +25,10 @@ def test_single_node(validator, single_node):
     validator(single_node)
 
 
+def test_single_edge(validator, single_edge):
+    validator(single_edge)
+
+
 def test_metadata_as_list(validator, metadata_as_list):
     with pytest.raises(ValueError):
         validator(metadata_as_list)