(model, documents, request)
| 34 | ], |
| 35 | ) |
| 36 | def test_linkage(model, documents, request): |
| 37 | topic_model = copy.deepcopy(request.getfixturevalue(model)) |
| 38 | linkage_function = lambda x: sch.linkage(x, "single", optimal_ordering=True) |
| 39 | hierarchical_topics = topic_model.hierarchical_topics(documents, linkage_function=linkage_function) |
| 40 | merged_topics = set([v for vals in hierarchical_topics.Topics.values for v in vals]) |
| 41 | tree = topic_model.get_topic_tree(hierarchical_topics) |
| 42 | |
| 43 | assert len(hierarchical_topics) > 0 |
| 44 | assert len(tree) > 50 |
| 45 | assert len(tree.split("\n")) <= 2 * len(set(topic_model.topics_)) |
| 46 | assert merged_topics == set(topic_model.topics_).difference({-1}) |
| 47 | |
| 48 | |
| 49 | @pytest.mark.parametrize( |
nothing calls this directly
no test coverage detected