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import copy
import pytest
@pytest.mark.parametrize('model', [('kmeans_pca_topic_model'), ('custom_topic_model'), ('merged_topic_model'), ('reduced_topic_model'), ('online_topic_model')])
def test_dynamic(model, documents, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
timestamps = [i % 10 for i in range(len(documents))]
topics_over_time = topic_model.topics_over_time(documents, timestamps)
assert topics_over_time.Frequency.sum() == len(documents)
assert set(topics_over_time.Topic.unique()) == set(topic_model.topics_)
assert len(topics_over_time.Timestamp.unique()) == len(set(timestamps))
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