def test_simplify_with_subgraphs(self):
"""Harder graphs with subgraphs should simplify correctly."""
assert graph.simplify(self.graph) == self.simplegraph
def test_simplify_bug(self):
assert graph.simplify({1: {3: 5.0},
2: {1: 10.0, 3: 5.0},
3: {2: 15.0}}) == {3: {1: 5.0},
2: {},
1: {}}
def test_simplify_no_subgraphs(self):
"""Easy graphs with no subgraphs should simplify correctly."""
assert graph.simplify(self.graph) == self.simplegraph