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# -*- coding: utf-8 -*-
from nose.tools import *
import pygraphviz as pgv
from os import linesep
def test_html():
G = pgv.AGraph(label='<Hello<BR/>Graph>')
G.add_node('a', label='<Hello<BR/>Node>')
s = G.add_subgraph('b', label='<Hello<BR/>Subgraph>')
s.add_node('sa', label='<Hello<BR/>Subgraph Node b>')
G.add_edge('a','b', label='<Hello<BR/>Edge>')
assert_equal(G.string().expandtabs(2),
"""strict graph {
graph [label=<Hello<BR/>Graph>];
node [label="\\N"];
{
graph [label=<Hello<BR/>Subgraph>];
sa [label=<Hello<BR/>Subgraph Node b>];
}
a [label=<Hello<BR/>Node>];
a -- b [label=<Hello<BR/>Edge>];
}
""".replace('\n', linesep))
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