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maximum-weight-matching
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Improve test coverage to 100%

This commit is contained in:
Joris van Rantwijk 2023-02-12 17:29:24 +01:00
parent fa524ce754
commit f1a60febe7
1 changed files with 15 additions and 3 deletions
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18
python/test_matching.py
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@ -166,6 +166,21 @@ class TestMaximumWeightMatching(unittest.TestCase):
mwm([(0,1,7), (0,2,7), (1,2,9), (0,3,7), (0,4,7), (3,4,9), (5,6,2)]), mwm([(0,1,7), (0,2,7), (1,2,9), (0,3,7), (0,4,7), (3,4,9), (5,6,2)]),
[(1,2), (3,4), (5,6)]) [(1,2), (3,4), (5,6)])
def test44_blossom_redundant_edge(self):
"""drop redundant edge while making a blossom"""
#
# [1]----9---[2]
# / | \
# 7 8 \
# / | 1
# [0]--6--[4]--9--[3] |
# \ |
# \----1----[5]
#
self.assertEqual(
mwm([(0,1,7), (0,4,6), (1,2,9), (2,3,8), (3,4,9), (2,5,1), (4,5,1)]),
[(1,2), (3,4)])
def test_fail_bad_input(self): def test_fail_bad_input(self):
"""bad input values""" """bad input values"""
with self.assertRaises(TypeError): with self.assertRaises(TypeError):
@ -251,9 +266,6 @@ class TestMaximumCardinalityMatching(unittest.TestCase):
class TestGraphInfo(unittest.TestCase): class TestGraphInfo(unittest.TestCase):
"""Test _GraphInfo helper class.""" """Test _GraphInfo helper class."""
# This is just to get 100% test coverage.
# This is _not_ intended as a real test of the _GraphInfo class.
def test_empty(self): def test_empty(self):
graph = _GraphInfo([]) graph = _GraphInfo([])
self.assertEqual(graph.num_vertex, 0) self.assertEqual(graph.num_vertex, 0)