package graphviz import ( "testing" ) func TestShow(test *testing.T) { g := NewDigraph("bgcolor", "pink") n_foo := g.AddNode("foo", "color", "red", "label", "FOO\nFOO") n_bar := g.AddNode("bar", "color", "green") _ = g.AddNode("baz", "color", "yellow") g.AddEdge(n_foo, n_bar, "color", "gray") _ = g.AddEdgeByName("foo", "baz", "color", "magenta") g.Dotty() }