1 files changed, 78 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/networkx/readwrite/json_graph/tests/test_cytoscape.py b/.venv/lib/python3.12/site-packages/networkx/readwrite/json_graph/tests/test_cytoscape.py
new file mode 100644
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+++ b/.venv/lib/python3.12/site-packages/networkx/readwrite/json_graph/tests/test_cytoscape.py
@@ -0,0 +1,78 @@
+import copy
+import json
+
+import pytest
+
+import networkx as nx
+from networkx.readwrite.json_graph import cytoscape_data, cytoscape_graph
+
+
+def test_graph():
+    G = nx.path_graph(4)
+    H = cytoscape_graph(cytoscape_data(G))
+    assert nx.is_isomorphic(G, H)
+
+
+def test_input_data_is_not_modified_when_building_graph():
+    G = nx.path_graph(4)
+    input_data = cytoscape_data(G)
+    orig_data = copy.deepcopy(input_data)
+    # Ensure input is unmodified by cytoscape_graph (gh-4173)
+    cytoscape_graph(input_data)
+    assert input_data == orig_data
+
+
+def test_graph_attributes():
+    G = nx.path_graph(4)
+    G.add_node(1, color="red")
+    G.add_edge(1, 2, width=7)
+    G.graph["foo"] = "bar"
+    G.graph[1] = "one"
+    G.add_node(3, name="node", id="123")
+
+    H = cytoscape_graph(cytoscape_data(G))
+    assert H.graph["foo"] == "bar"
+    assert H.nodes[1]["color"] == "red"
+    assert H[1][2]["width"] == 7
+    assert H.nodes[3]["name"] == "node"
+    assert H.nodes[3]["id"] == "123"
+
+    d = json.dumps(cytoscape_data(G))
+    H = cytoscape_graph(json.loads(d))
+    assert H.graph["foo"] == "bar"
+    assert H.graph[1] == "one"
+    assert H.nodes[1]["color"] == "red"
+    assert H[1][2]["width"] == 7
+    assert H.nodes[3]["name"] == "node"
+    assert H.nodes[3]["id"] == "123"
+
+
+def test_digraph():
+    G = nx.DiGraph()
+    nx.add_path(G, [1, 2, 3])
+    H = cytoscape_graph(cytoscape_data(G))
+    assert H.is_directed()
+    assert nx.is_isomorphic(G, H)
+
+
+def test_multidigraph():
+    G = nx.MultiDiGraph()
+    nx.add_path(G, [1, 2, 3])
+    H = cytoscape_graph(cytoscape_data(G))
+    assert H.is_directed()
+    assert H.is_multigraph()
+
+
+def test_multigraph():
+    G = nx.MultiGraph()
+    G.add_edge(1, 2, key="first")
+    G.add_edge(1, 2, key="second", color="blue")
+    H = cytoscape_graph(cytoscape_data(G))
+    assert nx.is_isomorphic(G, H)
+    assert H[1][2]["second"]["color"] == "blue"
+
+
+def test_exception():
+    with pytest.raises(nx.NetworkXError):
+        G = nx.MultiDiGraph()
+        cytoscape_data(G, name="foo", ident="foo")