Example #1
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 def test_empty_edge_raises_error(self):
     with pytest.raises(AssertionError):
         G.graph('xy,')
Example #2
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 def test_multiplicity_is_preserved_in_hyperedges(self):    
     assert G.graph('xyz,xyz') != G.graph('xyz')
Example #3
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 def test_empty_graph_raises_error(self):
     with pytest.raises(AssertionError):
         G.graph('')
Example #4
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 def test_multi_edge_is_a_graph(self):
     assert G.graph('xy,xy') in ['xy,xy', 'xy,yx', 'yx,xy', 'yx,yx']
Example #5
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 def test_collapsed_edge_is_a_graph(self):
     assert G.graph('xyx') in ['xxy', 'xyx', 'yxx']
Example #6
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 def test_hyper_edge_is_a_graph(self):
     assert G.graph('xyz') in ['xyz', 'xzy', 'yxz', 'yzx', 'zxy', 'zyx']
Example #7
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 def test_simple_edge_is_a_graph(self):
     assert G.graph('xy') in ['xy', 'yx']
Example #8
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 def test_loop_is_a_graph(self):
     assert G.graph('xx') == 'xx'
Example #9
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 def test_isolated_vertex_with_multiplicity_is_a_graph(self):
     assert G.graph('x,x') == 'x,x'
Example #10
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 def test_isolated_vertex_is_a_graph(self):
     assert G.graph('x') == 'x'