def setUp(self):
# Create test graph.
self.g = graph.Graph()
self.g.add_edge("a", "b", weight=0.5)
self.g.add_edge("a", "c")
self.g.add_edge("b", "d")
self.g.add_edge("d", "e")
self.g.add_node("x")
def setUp(self):
# Create test graph.
self.g = graph.Graph(layout=graph.SPRING, distance=10.0)
self.g.add_node("a")
self.g.add_node("b")
self.g.add_node("c")
self.g.add_edge("a", "b")
self.g.add_edge("b", "c")
def setUp(self):
# Create test graph.
self.g = graph.Graph()
self.g.add_node("a", radius=5, stroke=(0,0,0,1), strokewidth=1, fill=None, text=(0,0,0,1))
self.g.add_node("b", radius=5)
self.g.add_node("c", radius=5)
self.g.add_edge("a", "b")
self.g.add_edge("b", "c")
def test_insert(self):
g = graph.Graph()
g.add_edge("a", "b")
g.add_node("c")
graph.insert(g, g["c"], g["a"], g["b"])
self.assertTrue(g.edge("a","b") is None)
self.assertTrue(g.edge("a","c") is not None)
self.assertTrue(g.edge("c","b") is not None)
print "pattern.graph.insert()"
def test_cut(self):
# Assert unlink Node(b) and redirect a->c and a->d.
g = graph.Graph()
g.add_edge("a", "b")
g.add_edge("b", "c")
g.add_edge("b", "d")
graph.cut(g, g["b"])
self.assertTrue(len(g["b"].edges) == 0)
self.assertTrue(g.edge("a","c") is not None)
self.assertTrue(g.edge("a","d") is not None)
print "pattern.graph.cut()"
def test_redirect(self):
# Assert transfer connections of Node(a) to Node(d).
g = graph.Graph()
g.add_edge("a", "b")
g.add_edge("c", "a")
g.add_node("d")
graph.redirect(g, g["a"], "d")
self.assertTrue(len(g["a"].edges) == 0)
self.assertTrue(len(g["d"].edges) == 2)
self.assertTrue(g.edge("d","c").node1 == g["c"])
print "pattern.graph.redirect()"
def setUp(self):
# Create test graph.
self.g = graph.Graph()
self.g.add_node("a")
self.g.add_node("b")
self.g.add_edge("a",
"b",
weight=0.0,
length=1.0,
type="is-a",
stroke=(0, 0, 0, 1),
strokewidth=1)
def test_copy(self):
# Assert deep copy of Graph.
g1 = self.g
g2 = self.g.copy()
self.assertTrue(set(g1) == set(g2)) # Same node id's.
self.assertTrue(id(g1["a"]) != id(g2["b"])) # Different node objects.
g3 = self.g.copy(nodes=[self.g["a"], self.g["b"]])
g3 = self.g.copy(nodes=["a", "b"])
self.assertTrue(len(g3.nodes), 2)
self.assertTrue(len(g3.edges), 1)
# Assert copy with subclasses of Node and Edge.
class MyNode(graph.Node):
pass
class MyEdge(graph.Edge):
pass
g4 = graph.Graph()
g4.append(MyNode, "a")
g4.append(MyNode, "b")
g4.append(MyEdge, "a", "b")
g4 = g4.copy()
self.assertTrue(isinstance(g4.nodes[0], MyNode))
self.assertTrue(isinstance(g4.edges[0], MyEdge))
print "pattern.graph.Graph.copy()"