def test_match_unmatched(mocker):
# scenario: assume that the matches are A+B in the topic of 'math' and C+D in the topic of 'history', and E and F are
# unmatched. E is a _possible_match with A or C in the topic of 'math' and F is a _possible_match with A or C in the
# topic of 'history' therefore the final matching should be A+B+E in 'math' and C+D+F in 'history'
match_maker = MatchMaker(match_request_since_date='does not matter')
matches = [['A', 'B'], ['C', 'D']]
def mock_pair_score_and_topic(p1, p2):
return {
key('A', 'B'): (1, 'math'),
key('C', 'D'): (1, 'history'),
}[key(p1, p2)]
match_maker._pair_score_and_topic = mocker.Mock()
match_maker._pair_score_and_topic.side_effect = mock_pair_score_and_topic
match_maker._match_requests_profile_to_topic = {
'A': ['math'],
'B': ['math'],
'C': ['history'],
'D': ['history'],
'E': ['math'],
'F': ['history'],
}
match_maker._possible_matches = {
'E': ['A', 'C'],
'F': ['A', 'C'],
# really the other keys would be here, but the method wouldn't currently call them
}
matches = match_maker._match_unmatched(matches)
matches = set(
key(*m) for m in matches
) # convert to set of sorted tuples so that ordering doesn't matter
assert matches == {key('A', 'B', 'E'), key('C', 'D', 'F')}
def test_not_memoized_pair_score_and_topic():
match_maker = MatchMaker(match_request_since_date='does not matter')
now = datetime.now().astimezone(timezone.utc)
match_maker._recent_match_by_profile_pair = {
key('A', 'B'): {
'date': now - timedelta(weeks=20)
},
}
match_maker._most_recent_match_by_profile = {
key('A'): {
'date': now - timedelta(weeks=20)
},
key('B'): {
'date': now - timedelta(weeks=20)
},
}
match_maker._recent_match_by_profile_pair_and_topic = {
key('A', 'B', 'science'): {
'date': now - timedelta(weeks=10)
},
key('A', 'B', 'art'): {
'date': now - timedelta(weeks=20)
},
}
match_maker._match_requests_profile_to_topic = {
'A': {'science', 'art', 'history'},
'B': {'science', 'art', 'religion'},
}
score, topic = match_maker._not_memoized_pair_score_and_topic('A', 'B')
assert score > 0
assert score != int(
score
), "score is a whole number, that's unlikely if we're really exercising the functionality"
assert topic == 'art'