def test_equal_na_vs_non_na(self):
"""Test that consensus_vote() returns an evaluation when an equal number of N/A and non-N/A votes have been cast."""
for vote in [
Eval.very_inconsistent, Eval.neutral, Eval.very_consistent
]:
self.assertEqual(consensus_vote([vote, Eval.not_applicable]), vote)
self.assertEqual(consensus_vote([Eval.not_applicable, vote]), vote)
def test_round_toward_neutral(self):
"""Test that consensus_vote() rounds the vote toward a neutral assessment."""
self.assertEqual(
consensus_vote([Eval.consistent, Eval.very_consistent]),
Eval.consistent)
self.assertEqual(
consensus_vote([Eval.inconsistent, Eval.very_inconsistent]),
Eval.inconsistent)
def test_no_votes_has_no_consensus(self):
"""Test that consensus_vote() returns None if no votes have been cast."""
self.assertIsNone(consensus_vote([]))
def test_none_na_consensus_for_single_vote(self):
"""Test that consensus_vote() returns the evaluation if only a single vote is cast."""
self.assertEqual(consensus_vote([Eval.consistent]), Eval.consistent)
def test_na_consensus_for_single_vote(self):
"""Test that consensus_vote() returns N/A if only a single N/A vote is cast"""
self.assertEqual(consensus_vote([Eval.not_applicable]),
Eval.not_applicable)