File: //lib/python3/dist-packages/networkx/classes/tests/test_coreviews.py
import pytest
import pickle
import networkx as nx
class TestAtlasView(object):
# node->data
def setup(self):
self.d = {0: {'color': 'blue', 'weight': 1.2}, 1: {}, 2: {'color': 1}}
self.av = nx.classes.coreviews.AtlasView(self.d)
def test_pickle(self):
view = self.av
pview = pickle.loads(pickle.dumps(view, -1))
assert view == pview
assert view.__slots__ == pview.__slots__
pview = pickle.loads(pickle.dumps(view))
assert view == pview
assert view.__slots__ == pview.__slots__
def test_len(self):
assert len(self.av) == len(self.d)
def test_iter(self):
assert list(self.av) == list(self.d)
def test_getitem(self):
assert self.av[1] is self.d[1]
assert self.av[2]['color'] == 1
pytest.raises(KeyError, self.av.__getitem__, 3)
def test_copy(self):
avcopy = self.av.copy()
assert avcopy[0] == self.av[0]
assert avcopy == self.av
assert avcopy[0] is not self.av[0]
assert avcopy is not self.av
avcopy[5] = {}
assert avcopy != self.av
avcopy[0]['ht'] = 4
assert avcopy[0] != self.av[0]
self.av[0]['ht'] = 4
assert avcopy[0] == self.av[0]
del self.av[0]['ht']
assert not hasattr(self.av, '__setitem__')
def test_items(self):
assert sorted(self.av.items()) == sorted(self.d.items())
def test_str(self):
out = str(self.d)
assert str(self.av) == out
def test_repr(self):
out = "AtlasView(" + str(self.d) + ")"
assert repr(self.av) == out
class TestAdjacencyView(object):
# node->nbr->data
def setup(self):
dd = {'color': 'blue', 'weight': 1.2}
self.nd = {0: dd, 1: {}, 2: {'color': 1}}
self.adj = {3: self.nd, 0: {3: dd}, 1: {}, 2: {3: {'color': 1}}}
self.adjview = nx.classes.coreviews.AdjacencyView(self.adj)
def test_pickle(self):
view = self.adjview
pview = pickle.loads(pickle.dumps(view, -1))
assert view == pview
assert view.__slots__ == pview.__slots__
def test_len(self):
assert len(self.adjview) == len(self.adj)
def test_iter(self):
assert list(self.adjview) == list(self.adj)
def test_getitem(self):
assert self.adjview[1] is not self.adj[1]
assert self.adjview[3][0] is self.adjview[0][3]
assert self.adjview[2][3]['color'] == 1
pytest.raises(KeyError, self.adjview.__getitem__, 4)
def test_copy(self):
avcopy = self.adjview.copy()
assert avcopy[0] == self.adjview[0]
assert avcopy[0] is not self.adjview[0]
avcopy[2][3]['ht'] = 4
assert avcopy[2] != self.adjview[2]
self.adjview[2][3]['ht'] = 4
assert avcopy[2] == self.adjview[2]
del self.adjview[2][3]['ht']
assert not hasattr(self.adjview, '__setitem__')
def test_items(self):
view_items = sorted((n, dict(d)) for n, d in self.adjview.items())
assert view_items == sorted(self.adj.items())
def test_str(self):
out = str(dict(self.adj))
assert str(self.adjview) == out
def test_repr(self):
out = self.adjview.__class__.__name__ + "(" + str(self.adj) + ")"
assert repr(self.adjview) == out
class TestMultiAdjacencyView(TestAdjacencyView):
# node->nbr->key->data
def setup(self):
dd = {'color': 'blue', 'weight': 1.2}
self.kd = {0: dd, 1: {}, 2: {'color': 1}}
self.nd = {3: self.kd, 0: {3: dd}, 1: {0: {}}, 2: {3: {'color': 1}}}
self.adj = {3: self.nd, 0: {3: {3: dd}}, 1: {}, 2: {3: {8: {}}}}
self.adjview = nx.classes.coreviews.MultiAdjacencyView(self.adj)
def test_getitem(self):
assert self.adjview[1] is not self.adj[1]
assert self.adjview[3][0][3] is self.adjview[0][3][3]
assert self.adjview[3][2][3]['color'] == 1
pytest.raises(KeyError, self.adjview.__getitem__, 4)
def test_copy(self):
avcopy = self.adjview.copy()
assert avcopy[0] == self.adjview[0]
assert avcopy[0] is not self.adjview[0]
avcopy[2][3][8]['ht'] = 4
assert avcopy[2] != self.adjview[2]
self.adjview[2][3][8]['ht'] = 4
assert avcopy[2] == self.adjview[2]
del self.adjview[2][3][8]['ht']
assert not hasattr(self.adjview, '__setitem__')
class TestUnionAtlas(object):
# node->data
def setup(self):
self.s = {0: {'color': 'blue', 'weight': 1.2}, 1: {}, 2: {'color': 1}}
self.p = {3: {'color': 'blue', 'weight': 1.2}, 4: {}, 2: {'watch': 2}}
self.av = nx.classes.coreviews.UnionAtlas(self.s, self.p)
def test_pickle(self):
view = self.av
pview = pickle.loads(pickle.dumps(view, -1))
assert view == pview
assert view.__slots__ == pview.__slots__
def test_len(self):
assert len(self.av) == len(self.s) + len(self.p)
def test_iter(self):
assert set(self.av) == set(self.s) | set(self.p)
def test_getitem(self):
assert self.av[0] is self.s[0]
assert self.av[4] is self.p[4]
assert self.av[2]['color'] == 1
pytest.raises(KeyError, self.av[2].__getitem__, 'watch')
pytest.raises(KeyError, self.av.__getitem__, 8)
def test_copy(self):
avcopy = self.av.copy()
assert avcopy[0] == self.av[0]
assert avcopy[0] is not self.av[0]
assert avcopy is not self.av
avcopy[5] = {}
assert avcopy != self.av
avcopy[0]['ht'] = 4
assert avcopy[0] != self.av[0]
self.av[0]['ht'] = 4
assert avcopy[0] == self.av[0]
del self.av[0]['ht']
assert not hasattr(self.av, '__setitem__')
def test_items(self):
expected = dict(self.p.items())
expected.update(self.s)
assert sorted(self.av.items()) == sorted(expected.items())
def test_str(self):
out = str(dict(self.av))
assert str(self.av) == out
def test_repr(self):
out = "{}({}, {})".format(self.av.__class__.__name__, self.s, self.p)
assert repr(self.av) == out
class TestUnionAdjacency(object):
# node->nbr->data
def setup(self):
dd = {'color': 'blue', 'weight': 1.2}
self.nd = {0: dd, 1: {}, 2: {'color': 1}}
self.s = {3: self.nd, 0: {}, 1: {}, 2: {3: {'color': 1}}}
self.p = {3: {}, 0: {3: dd}, 1: {0: {}}, 2: {1: {'color': 1}}}
self.adjview = nx.classes.coreviews.UnionAdjacency(self.s, self.p)
def test_pickle(self):
view = self.adjview
pview = pickle.loads(pickle.dumps(view, -1))
assert view == pview
assert view.__slots__ == pview.__slots__
def test_len(self):
assert len(self.adjview) == len(self.s)
def test_iter(self):
assert sorted(self.adjview) == sorted(self.s)
def test_getitem(self):
assert self.adjview[1] is not self.s[1]
assert self.adjview[3][0] is self.adjview[0][3]
assert self.adjview[2][3]['color'] == 1
pytest.raises(KeyError, self.adjview.__getitem__, 4)
def test_copy(self):
avcopy = self.adjview.copy()
assert avcopy[0] == self.adjview[0]
assert avcopy[0] is not self.adjview[0]
avcopy[2][3]['ht'] = 4
assert avcopy[2] != self.adjview[2]
self.adjview[2][3]['ht'] = 4
assert avcopy[2] == self.adjview[2]
del self.adjview[2][3]['ht']
assert not hasattr(self.adjview, '__setitem__')
def test_str(self):
out = str(dict(self.adjview))
assert str(self.adjview) == out
def test_repr(self):
clsname = self.adjview.__class__.__name__
out = "{}({}, {})".format(clsname, self.s, self.p)
assert repr(self.adjview) == out
class TestUnionMultiInner(TestUnionAdjacency):
# nbr->key->data
def setup(self):
dd = {'color': 'blue', 'weight': 1.2}
self.kd = {7: {}, 'ekey': {}, 9: {'color': 1}}
self.s = {3: self.kd, 0: {7: dd}, 1: {}, 2: {'key': {'color': 1}}}
self.p = {3: {}, 0: {3: dd}, 1: {}, 2: {1: {'span': 2}}}
self.adjview = nx.classes.coreviews.UnionMultiInner(self.s, self.p)
def test_len(self):
assert len(self.adjview) == len(self.s) + len(self.p)
def test_getitem(self):
assert self.adjview[1] is not self.s[1]
assert self.adjview[0][7] is self.adjview[0][3]
assert self.adjview[2]['key']['color'] == 1
assert self.adjview[2][1]['span'] == 2
pytest.raises(KeyError, self.adjview.__getitem__, 4)
pytest.raises(KeyError, self.adjview[1].__getitem__, 'key')
def test_copy(self):
avcopy = self.adjview.copy()
assert avcopy[0] == self.adjview[0]
assert avcopy[0] is not self.adjview[0]
avcopy[2][1]['width'] = 8
assert avcopy[2] != self.adjview[2]
self.adjview[2][1]['width'] = 8
assert avcopy[2] == self.adjview[2]
del self.adjview[2][1]['width']
assert not hasattr(self.adjview, '__setitem__')
assert hasattr(avcopy, '__setitem__')
class TestUnionMultiAdjacency(TestUnionAdjacency):
# node->nbr->key->data
def setup(self):
dd = {'color': 'blue', 'weight': 1.2}
self.kd = {7: {}, 8: {}, 9: {'color': 1}}
self.nd = {3: self.kd, 0: {9: dd}, 1: {8: {}}, 2: {9: {'color': 1}}}
self.s = {3: self.nd, 0: {3: {7: dd}}, 1: {}, 2: {3: {8: {}}}}
self.p = {3: {}, 0: {3: {9: dd}}, 1: {}, 2: {1: {8: {}}}}
self.adjview = nx.classes.coreviews.UnionMultiAdjacency(self.s, self.p)
def test_getitem(self):
assert self.adjview[1] is not self.s[1]
assert self.adjview[3][0][9] is self.adjview[0][3][9]
assert self.adjview[3][2][9]['color'] == 1
pytest.raises(KeyError, self.adjview.__getitem__, 4)
def test_copy(self):
avcopy = self.adjview.copy()
assert avcopy[0] == self.adjview[0]
assert avcopy[0] is not self.adjview[0]
avcopy[2][3][8]['ht'] = 4
assert avcopy[2] != self.adjview[2]
self.adjview[2][3][8]['ht'] = 4
assert avcopy[2] == self.adjview[2]
del self.adjview[2][3][8]['ht']
assert not hasattr(self.adjview, '__setitem__')
assert hasattr(avcopy, '__setitem__')
class TestFilteredGraphs(object):
def setup(self):
self.Graphs = [nx.Graph,
nx.DiGraph,
nx.MultiGraph,
nx.MultiDiGraph]
self.SubGraphs = [nx.graphviews.subgraph_view] * 4
def test_hide_show_nodes(self):
for Graph, SubGraph in zip(self.Graphs, self.SubGraphs):
G = nx.path_graph(4, Graph)
SG = G.subgraph([2, 3])
RG = SubGraph(G, nx.filters.hide_nodes([0, 1]))
assert SG.nodes == RG.nodes
assert SG.edges == RG.edges
SGC = SG.copy()
RGC = RG.copy()
assert SGC.nodes == RGC.nodes
assert SGC.edges == RGC.edges
def test_str_repr(self):
for Graph, SubGraph in zip(self.Graphs, self.SubGraphs):
G = nx.path_graph(4, Graph)
SG = G.subgraph([2, 3])
RG = SubGraph(G, nx.filters.hide_nodes([0, 1]))
str(SG.adj)
str(RG.adj)
repr(SG.adj)
repr(RG.adj)
str(SG.adj[2])
str(RG.adj[2])
repr(SG.adj[2])
repr(RG.adj[2])
def test_copy(self):
for Graph, SubGraph in zip(self.Graphs, self.SubGraphs):
G = nx.path_graph(4, Graph)
SG = G.subgraph([2, 3])
RG = SubGraph(G, nx.filters.hide_nodes([0, 1]))
assert G.adj.copy() == G.adj
assert G.adj[2].copy() == G.adj[2]
assert SG.adj.copy() == SG.adj
assert SG.adj[2].copy() == SG.adj[2]
assert RG.adj.copy() == RG.adj
assert RG.adj[2].copy() == RG.adj[2]