32 lines
1.5 KiB
Python
32 lines
1.5 KiB
Python
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#!/usr/bin/env python
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import networkx as nx
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import io
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class TestLEDA(object):
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def test_parse_leda(self):
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data = """#header section \nLEDA.GRAPH \nstring\nint\n-1\n#nodes section\n5 \n|{v1}| \n|{v2}| \n|{v3}| \n|{v4}| \n|{v5}| \n\n#edges section\n7 \n1 2 0 |{4}| \n1 3 0 |{3}| \n2 3 0 |{2}| \n3 4 0 |{3}| \n3 5 0 |{7}| \n4 5 0 |{6}| \n5 1 0 |{foo}|"""
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G = nx.parse_leda(data)
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G = nx.parse_leda(data.split('\n'))
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assert (sorted(G.nodes()) ==
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['v1', 'v2', 'v3', 'v4', 'v5'])
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assert (sorted(G.edges(data=True)) ==
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[('v1', 'v2', {'label': '4'}),
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('v1', 'v3', {'label': '3'}),
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('v2', 'v3', {'label': '2'}),
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('v3', 'v4', {'label': '3'}),
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('v3', 'v5', {'label': '7'}),
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('v4', 'v5', {'label': '6'}),
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('v5', 'v1', {'label': 'foo'})])
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def test_read_LEDA(self):
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fh = io.BytesIO()
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data = """#header section \nLEDA.GRAPH \nstring\nint\n-1\n#nodes section\n5 \n|{v1}| \n|{v2}| \n|{v3}| \n|{v4}| \n|{v5}| \n\n#edges section\n7 \n1 2 0 |{4}| \n1 3 0 |{3}| \n2 3 0 |{2}| \n3 4 0 |{3}| \n3 5 0 |{7}| \n4 5 0 |{6}| \n5 1 0 |{foo}|"""
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G = nx.parse_leda(data)
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fh.write(data.encode('UTF-8'))
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fh.seek(0)
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Gin = nx.read_leda(fh)
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assert sorted(G.nodes()) == sorted(Gin.nodes())
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assert sorted(G.edges()) == sorted(Gin.edges())
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