Add BERTopic.

LLMTopicDetection_BERTopic/tests/test_plotting/test_bar.py

@@ -0,0 +1,55 @@
+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_barchart(model, request):
+    topic_model = copy.deepcopy(request.getfixturevalue(model))
+    fig = topic_model.visualize_barchart()
+
+    assert len(fig.to_dict()["layout"]["annotations"]) == 8
+    for annotation in fig.to_dict()["layout"]["annotations"]:
+        assert int(annotation["text"].split(" ")[-1]) != -1
+
+    fig = topic_model.visualize_barchart(top_n_topics=5)
+
+    assert len(fig.to_dict()["layout"]["annotations"]) == 5
+    for annotation in fig.to_dict()["layout"]["annotations"]:
+        assert int(annotation["text"].split(" ")[-1]) != -1
+
+
+@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_barchart_outlier(model, request):
+    topic_model = copy.deepcopy(request.getfixturevalue(model))
+    topic_model.topic_sizes_[-1] = 4
+    fig = topic_model.visualize_barchart()
+
+    assert len(fig.to_dict()["layout"]["annotations"]) == 8
+    for annotation in fig.to_dict()["layout"]["annotations"]:
+        assert int(annotation["text"].split(" ")[-1]) != -1
+
+    fig = topic_model.visualize_barchart(top_n_topics=5)
+
+    assert len(fig.to_dict()["layout"]["annotations"]) == 5
+    for annotation in fig.to_dict()["layout"]["annotations"]:
+        assert int(annotation["text"].split(" ")[-1]) != -1