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* test/graphs/kruskal: adding a test case to verify the correctness of the algorithm Fixes #2128 * grahps/kruskal: running psf/black * graphs/kruskal: read edges in a friendlier fashion Co-authored-by: Christian Clauss <cclauss@me.com> * Update minimum_spanning_tree_kruskal.py * fixup! Format Python code with psf/black push * Update test_min_spanning_tree_kruskal.py * updating DIRECTORY.md Co-authored-by: Christian Clauss <cclauss@me.com> Co-authored-by: John Law <johnlaw.po@gmail.com> Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
37 lines
693 B
Python
37 lines
693 B
Python
from graphs.minimum_spanning_tree_kruskal import kruskal
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def test_kruskal_successful_result():
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num_nodes, num_edges = 9, 14
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edges = [
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[0, 1, 4],
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[0, 7, 8],
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[1, 2, 8],
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[7, 8, 7],
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[7, 6, 1],
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[2, 8, 2],
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[8, 6, 6],
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[2, 3, 7],
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[2, 5, 4],
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[6, 5, 2],
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[3, 5, 14],
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[3, 4, 9],
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[5, 4, 10],
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[1, 7, 11],
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]
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result = kruskal(num_nodes, num_edges, edges)
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expected = [
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[7, 6, 1],
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[2, 8, 2],
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[6, 5, 2],
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[0, 1, 4],
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[2, 5, 4],
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[2, 3, 7],
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[0, 7, 8],
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[3, 4, 9],
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]
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assert sorted(expected) == sorted(result)
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