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import copy
import pytest
@pytest.mark.parametrize('model', [('kmeans_pca_topic_model'),
('base_topic_model'),
('custom_topic_model'),
('merged_topic_model'),
('reduced_topic_model'),
('online_topic_model')])
def test_generate_topic_labels(model, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
labels = topic_model.generate_topic_labels(topic_prefix=False)
assert sum([label[0].isdigit() for label in labels[1:]]) / len(labels) < 0.2
labels = [int(label.split("_")[0]) for label in topic_model.generate_topic_labels()]
assert labels == sorted(list(set(topic_model.topics_)))
labels = topic_model.generate_topic_labels(nr_words=1, topic_prefix=False)
assert all([True if len(label) < 15 else False for label in labels])
@pytest.mark.parametrize('model', [('kmeans_pca_topic_model'),
('base_topic_model'),
('custom_topic_model'),
('merged_topic_model'),
('reduced_topic_model'),
('online_topic_model')])
def test_set_labels(model, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
labels = topic_model.generate_topic_labels()
topic_model.set_topic_labels(labels)
assert topic_model.custom_labels_ == labels
if model != "online_topic_model":
labels = {1: "My label", 2: "Another label"}
topic_model.set_topic_labels(labels)
assert topic_model.custom_labels_[1+topic_model._outliers] == "My label"
assert topic_model.custom_labels_[2+topic_model._outliers] == "Another label"
labels = {1: "Change label", 3: "New label"}
topic_model.set_topic_labels(labels)
assert topic_model.custom_labels_[1+topic_model._outliers] == "Change label"
assert topic_model.custom_labels_[3+topic_model._outliers] == "New label"
else:
labels = {sorted(set(topic_model.topics_))[0]: "My label", sorted(set(topic_model.topics_))[1]: "Another label"}
topic_model.set_topic_labels(labels)
assert topic_model.custom_labels_[0] == "My label"
assert topic_model.custom_labels_[1] == "Another label"
labels = {sorted(set(topic_model.topics_))[0]: "Change label", sorted(set(topic_model.topics_))[2]: "New label"}
topic_model.set_topic_labels(labels)
assert topic_model.custom_labels_[0+topic_model._outliers] == "Change label"
assert topic_model.custom_labels_[2+topic_model._outliers] == "New label"
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