diff env/lib/python3.9/site-packages/networkx/algorithms/operators/tests/test_all.py @ 0:4f3585e2f14b draft default tip

"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.9/site-packages/networkx/algorithms/operators/tests/test_all.py	Mon Mar 22 18:12:50 2021 +0000
@@ -0,0 +1,248 @@
+import pytest
+import networkx as nx
+from networkx.testing import assert_edges_equal
+
+
+def test_union_all_attributes():
+    g = nx.Graph()
+    g.add_node(0, x=4)
+    g.add_node(1, x=5)
+    g.add_edge(0, 1, size=5)
+    g.graph["name"] = "g"
+
+    h = g.copy()
+    h.graph["name"] = "h"
+    h.graph["attr"] = "attr"
+    h.nodes[0]["x"] = 7
+
+    j = g.copy()
+    j.graph["name"] = "j"
+    j.graph["attr"] = "attr"
+    j.nodes[0]["x"] = 7
+
+    ghj = nx.union_all([g, h, j], rename=("g", "h", "j"))
+    assert set(ghj.nodes()) == {"h0", "h1", "g0", "g1", "j0", "j1"}
+    for n in ghj:
+        graph, node = n
+        assert ghj.nodes[n] == eval(graph).nodes[int(node)]
+
+    assert ghj.graph["attr"] == "attr"
+    assert ghj.graph["name"] == "j"  # j graph attributes take precendent
+
+
+def test_intersection_all():
+    G = nx.Graph()
+    H = nx.Graph()
+    R = nx.Graph()
+    G.add_nodes_from([1, 2, 3, 4])
+    G.add_edge(1, 2)
+    G.add_edge(2, 3)
+    H.add_nodes_from([1, 2, 3, 4])
+    H.add_edge(2, 3)
+    H.add_edge(3, 4)
+    R.add_nodes_from([1, 2, 3, 4])
+    R.add_edge(2, 3)
+    R.add_edge(4, 1)
+    I = nx.intersection_all([G, H, R])
+    assert set(I.nodes()) == {1, 2, 3, 4}
+    assert sorted(I.edges()) == [(2, 3)]
+
+
+def test_intersection_all_attributes():
+    g = nx.Graph()
+    g.add_node(0, x=4)
+    g.add_node(1, x=5)
+    g.add_edge(0, 1, size=5)
+    g.graph["name"] = "g"
+
+    h = g.copy()
+    h.graph["name"] = "h"
+    h.graph["attr"] = "attr"
+    h.nodes[0]["x"] = 7
+
+    gh = nx.intersection_all([g, h])
+    assert set(gh.nodes()) == set(g.nodes())
+    assert set(gh.nodes()) == set(h.nodes())
+    assert sorted(gh.edges()) == sorted(g.edges())
+
+    h.remove_node(0)
+    pytest.raises(nx.NetworkXError, nx.intersection, g, h)
+
+
+def test_intersection_all_multigraph_attributes():
+    g = nx.MultiGraph()
+    g.add_edge(0, 1, key=0)
+    g.add_edge(0, 1, key=1)
+    g.add_edge(0, 1, key=2)
+    h = nx.MultiGraph()
+    h.add_edge(0, 1, key=0)
+    h.add_edge(0, 1, key=3)
+    gh = nx.intersection_all([g, h])
+    assert set(gh.nodes()) == set(g.nodes())
+    assert set(gh.nodes()) == set(h.nodes())
+    assert sorted(gh.edges()) == [(0, 1)]
+    assert sorted(gh.edges(keys=True)) == [(0, 1, 0)]
+
+
+def test_union_all_and_compose_all():
+    K3 = nx.complete_graph(3)
+    P3 = nx.path_graph(3)
+
+    G1 = nx.DiGraph()
+    G1.add_edge("A", "B")
+    G1.add_edge("A", "C")
+    G1.add_edge("A", "D")
+    G2 = nx.DiGraph()
+    G2.add_edge("1", "2")
+    G2.add_edge("1", "3")
+    G2.add_edge("1", "4")
+
+    G = nx.union_all([G1, G2])
+    H = nx.compose_all([G1, G2])
+    assert_edges_equal(G.edges(), H.edges())
+    assert not G.has_edge("A", "1")
+    pytest.raises(nx.NetworkXError, nx.union, K3, P3)
+    H1 = nx.union_all([H, G1], rename=("H", "G1"))
+    assert sorted(H1.nodes()) == [
+        "G1A",
+        "G1B",
+        "G1C",
+        "G1D",
+        "H1",
+        "H2",
+        "H3",
+        "H4",
+        "HA",
+        "HB",
+        "HC",
+        "HD",
+    ]
+
+    H2 = nx.union_all([H, G2], rename=("H", ""))
+    assert sorted(H2.nodes()) == [
+        "1",
+        "2",
+        "3",
+        "4",
+        "H1",
+        "H2",
+        "H3",
+        "H4",
+        "HA",
+        "HB",
+        "HC",
+        "HD",
+    ]
+
+    assert not H1.has_edge("NB", "NA")
+
+    G = nx.compose_all([G, G])
+    assert_edges_equal(G.edges(), H.edges())
+
+    G2 = nx.union_all([G2, G2], rename=("", "copy"))
+    assert sorted(G2.nodes()) == [
+        "1",
+        "2",
+        "3",
+        "4",
+        "copy1",
+        "copy2",
+        "copy3",
+        "copy4",
+    ]
+
+    assert sorted(G2.neighbors("copy4")) == []
+    assert sorted(G2.neighbors("copy1")) == ["copy2", "copy3", "copy4"]
+    assert len(G) == 8
+    assert nx.number_of_edges(G) == 6
+
+    E = nx.disjoint_union_all([G, G])
+    assert len(E) == 16
+    assert nx.number_of_edges(E) == 12
+
+    E = nx.disjoint_union_all([G1, G2])
+    assert sorted(E.nodes()) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
+
+    G1 = nx.DiGraph()
+    G1.add_edge("A", "B")
+    G2 = nx.DiGraph()
+    G2.add_edge(1, 2)
+    G3 = nx.DiGraph()
+    G3.add_edge(11, 22)
+    G4 = nx.union_all([G1, G2, G3], rename=("G1", "G2", "G3"))
+    assert sorted(G4.nodes()) == ["G1A", "G1B", "G21", "G22", "G311", "G322"]
+
+
+def test_union_all_multigraph():
+    G = nx.MultiGraph()
+    G.add_edge(1, 2, key=0)
+    G.add_edge(1, 2, key=1)
+    H = nx.MultiGraph()
+    H.add_edge(3, 4, key=0)
+    H.add_edge(3, 4, key=1)
+    GH = nx.union_all([G, H])
+    assert set(GH) == set(G) | set(H)
+    assert set(GH.edges(keys=True)) == set(G.edges(keys=True)) | set(H.edges(keys=True))
+
+
+def test_input_output():
+    l = [nx.Graph([(1, 2)]), nx.Graph([(3, 4)])]
+    U = nx.disjoint_union_all(l)
+    assert len(l) == 2
+    C = nx.compose_all(l)
+    assert len(l) == 2
+    l = [nx.Graph([(1, 2)]), nx.Graph([(1, 2)])]
+    R = nx.intersection_all(l)
+    assert len(l) == 2
+
+
+def test_mixed_type_union():
+    with pytest.raises(nx.NetworkXError):
+        G = nx.Graph()
+        H = nx.MultiGraph()
+        I = nx.Graph()
+        U = nx.union_all([G, H, I])
+
+
+def test_mixed_type_disjoint_union():
+    with pytest.raises(nx.NetworkXError):
+        G = nx.Graph()
+        H = nx.MultiGraph()
+        I = nx.Graph()
+        U = nx.disjoint_union_all([G, H, I])
+
+
+def test_mixed_type_intersection():
+    with pytest.raises(nx.NetworkXError):
+        G = nx.Graph()
+        H = nx.MultiGraph()
+        I = nx.Graph()
+        U = nx.intersection_all([G, H, I])
+
+
+def test_mixed_type_compose():
+    with pytest.raises(nx.NetworkXError):
+        G = nx.Graph()
+        H = nx.MultiGraph()
+        I = nx.Graph()
+        U = nx.compose_all([G, H, I])
+
+
+def test_empty_union():
+    with pytest.raises(ValueError):
+        nx.union_all([])
+
+
+def test_empty_disjoint_union():
+    with pytest.raises(ValueError):
+        nx.disjoint_union_all([])
+
+
+def test_empty_compose_all():
+    with pytest.raises(ValueError):
+        nx.compose_all([])
+
+
+def test_empty_intersection_all():
+    with pytest.raises(ValueError):
+        nx.intersection_all([])